tag:blogger.com,1999:blog-82701258439683238902024-02-19T12:45:12.319+01:00Houston, tenim uns problemes!Física, creativitat i llargues hores de diversió.Sandrohttp://www.blogger.com/profile/10301763569825789392noreply@blogger.comBlogger171125tag:blogger.com,1999:blog-8270125843968323890.post-68560713133430544542017-05-28T22:58:00.001+02:002017-05-29T00:57:34.672+02:00Houston, tenim a Robin Hood<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ens situem a l’edat mitjana, més concretament en un concurs de tir a l’arc. El candidat número 1 a guanyar es el famós Robin Hood. Després de encertar totes les dianes, els altres rivals, enfadats li proposen un repte.</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Haurà de creuar a l’altre banda del riu, situada 4 metres per sobre de on està situada la diana. El riu fa 25 metres d’amplada, i la fletxa haurà de volar 5 metres més abans d’arribar a la diana per tocar al saquet quan la diana hagi fet el seu recorregut. Robin Hood, tot i les complicacions, accepta el repte. Contant amb que disparararà amb un angle de 30º cap a d’alt, quant temps trigarà en impactar a la diana?</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">La diana és una tapa de barril rodona giratòria on hi han clavat un saquet de sorra. Contant que la diana gira a una velocitat angular de 兀/2, calcula el temps que triga a recorre mitja volta per a coincidir amb la fletxa. Per tant troba si el saquet i la fletxa coincidiran en el mateix instant, en la mateixa posició.</span></div>
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Joan Botey i Jordi Matabosch</div>
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1r Batx C</div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com0tag:blogger.com,1999:blog-8270125843968323890.post-13027011456984266482017-05-24T10:13:00.001+02:002017-05-28T10:24:08.602+02:00Houston, tenim un borratxo<div class="separator" style="clear: both; text-align: center;">
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Treball realitzat per David Sancho, Joan Freixa i Mark Chopo, 1C1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com3tag:blogger.com,1999:blog-8270125843968323890.post-67372050265987583262017-05-23T22:18:00.001+02:002017-05-23T22:18:22.086+02:00Houston, Casandra té un problema.<div class="separator" style="clear: both; text-align: center;">
<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dwO1bIKrfDic2_2QzrY1mMHyW2B0Cc3l9bLJ9IxpGrabdjEQDOTsxFzV0wGqVzpz7oBLed1wwsnfHPDuflypA' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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Joan Vivancos Serra (1r D)</div>
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Román de Miguel Tutusaus (1r C)</div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-89497414234699323012017-05-23T21:44:00.003+02:002017-05-23T21:46:36.818+02:00Houston, què passarà amb l'ocell?<div class="separator" style="clear: both; text-align: center;">
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Adrià Mulero i Lidia Varona </div>
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1r batxillerat C i D </div>
<br />1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com1tag:blogger.com,1999:blog-8270125843968323890.post-21422795741955826352017-05-22T19:02:00.000+02:002017-05-22T19:02:14.721+02:00HOUSTON, estic farta d'estar tancada!<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4hNiaVhsIEFRoFFvouRipzp05jc1RmkeFPofVnzoaB_vsA0lStgO455ax2WRuAP9qDzRWHeNAMlMuYUZg3_i-h7buxKE9umm0snfMxqXQaQZNOtymW2pJp47M6x1rLBlZgoPYWjZUldqg/s1600/houston.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4hNiaVhsIEFRoFFvouRipzp05jc1RmkeFPofVnzoaB_vsA0lStgO455ax2WRuAP9qDzRWHeNAMlMuYUZg3_i-h7buxKE9umm0snfMxqXQaQZNOtymW2pJp47M6x1rLBlZgoPYWjZUldqg/s640/houston.jpg" width="459" /></a></div>
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Toni Soler Terricabras, Sofia Vinuesa Manrique i Laia Tarongí Ruz</div>
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1r BATX C</div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-56848251420980571022017-05-20T00:20:00.002+02:002017-05-31T18:32:45.033+02:00Houston, Mordor té un problema<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;">
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<span style="background-color: transparent; color: #666666; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="color: black; font-family: "times new roman"; font-size: small; white-space: normal;">Àlex Bernabé, Jan Marcos i Pau Pardo 1r Batx E</span></span></div>
<span style="background-color: transparent; color: #666666; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span>
<span style="background-color: transparent; color: #666666; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ens trobem a Mordor, s'està lliurant l'última batalla, les forces del bé fa tres dies que lluiten amb els orcs i comencen a estar fatigats i estan perdent l'esperança. Però quan tot semblava perdut arriben en Pippin i en Merry i utilitzant una muntanya de 10 metres d'alçada i divuit d'allargada que hi ha al camp de batalla per construir un mecanisme mitjançant una molla que pugui llençar una roca amb la suficient força per enderrocar la torre de Sauron. Si tenim en compte que des del principi de la muntanya fins a la torre hi ha 85 metres i que entremig trobem un mur de 13 metres serà la roca capaç d'enderrocar la immensa torre de Sauron d'una altura de 25 metres? </span></div>
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<span style="background-color: transparent; color: #666666; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">P.D.: Hem de tenir en compte que les molles de les quals disposem tenen una k de 235, 195 i 205 N/kg i que mesuren 4 metres i es comprimeixen fins a 3 metres. La bola que es llença des d'un angle de 29,05 graus que es pot regular si és necessari, té una densitat de 7840 kg/m3 i 1 metre de diàmetre.</span></div>
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<span style="background-color: transparent; color: #666666; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Amb aquestes dades respon a les següents qüestions:</span></div>
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<span style="background-color: transparent; color: #666666; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">1. Suposant que arriba, a quina velocitat surt la bola?</span><br />
<span style="color: #666666; font-family: "arial"; font-size: 12pt; white-space: pre-wrap;">2. Quina de les tres molles haurien de fer servir en Pippin i en Merri per aconseguir triomfar.</span></div>
<span id="docs-internal-guid-4ea37e8d-22c9-f743-a899-1a717250b6be"><br /><span style="color: #666666; font-family: "arial"; font-size: 12pt; vertical-align: baseline; white-space: pre-wrap;">Guanyaran la batalla les forces del bé?</span></span><br />
<span style="color: #666666; font-family: "arial"; font-size: 12pt; vertical-align: baseline; white-space: pre-wrap;"><br /></span><span style="color: #666666; font-family: "arial"; font-size: 12pt; vertical-align: baseline; white-space: pre-wrap;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZfOYRB8sBcCfGekRPe_-7Uycn_N6j1HGTU2NBXqb1GKdbJHrnQAdRoeclD9UAaMUddwcaqZdQyOzEGoaWvO-i-xJGCHrJ2SNhtdcWlLVuZgSH1uJ0nAAFrE7p1kS6MHqwOm5JNrxbsB_P/s1600/IMG_20170519_194653.jpg" imageanchor="1"><img border="0" height="356" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZfOYRB8sBcCfGekRPe_-7Uycn_N6j1HGTU2NBXqb1GKdbJHrnQAdRoeclD9UAaMUddwcaqZdQyOzEGoaWvO-i-xJGCHrJ2SNhtdcWlLVuZgSH1uJ0nAAFrE7p1kS6MHqwOm5JNrxbsB_P/s640/IMG_20170519_194653.jpg" width="640" /></a></span><br />
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Respostes:<br />
v: 36.15m/s<br />
k: 205 N/kg1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com1tag:blogger.com,1999:blog-8270125843968323890.post-63003813022494669382017-05-15T20:00:00.000+02:002017-05-15T20:00:03.562+02:00HOUSTON, TENIM UNA FASHION BAD-WEEKEstem a la setmana de la moda a Milan. La nostra model Sara de 1.75m i amb uns talons de 15cm està disposada a començar la seva desfilada per la passarel·la de 30m a una velocitat constant de 1,5 m/s. Quan la Sara ja ha recorregut 3m la model del seu davant cau a 2m del final. La seva sabata surt volant cap a la Sara amb una Vx de 13m/s i Vy de 9m/s. Li donarà la sabata a la Sara? Si ho fa quina possició i a quina alçada li donarà?<br />
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24 hores més tard a la Sara li espera un repte més gran, un pèndol d'or massís de 30kg en un extrem de la passarel·la de 5m d'amplada i una pinça el subjectte amb una força de 250N a l'extrem esquerra. Quin angle forma amb la vertical? Quina es longitud de la corda? Aconseguirà la Sara arriben al final de la passarel·la?<br />
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(Algunes dades es troben al còmic)<br />
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Neus Puigneró, Anna Pérez i Mar Lezcano</div>
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1r Batx A</div>
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<br />1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-62610175778166219322017-05-14T20:52:00.001+02:002017-05-14T21:38:35.473+02:00Houston, tenim una granota amb problemes<div style="margin-bottom: .0001pt; margin: 0cm; text-align: justify;">
<span style="font-family: "arial" , sans-serif;">Una
granota està sobre un nenúfar en un gran bassal. A la seva dreta, a mig metre
de distància, veu una roca que sobresurt 0,02 m de l'aigua; a la seva esquerra,
a 2 m de distància, s'albira un moll que està a 1,5 m per sobre del nivell
de l'aigua. La granota, quan salta, sempre ho fa amb un angle de 45º i amb una
velocitat de 20 km/h. </span><o:p></o:p></div>
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<span style="white-space: pre-wrap;"><span style="font-family: "arial" , sans-serif;">Com que és molt llesta, cap a on saltarà per no mullar-se? Amb el mateix angle, si triplica la velocitat, què passarà en qualsevol de les dues situacions? </span></span><o:p></o:p></div>
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<span style="line-height: 115%;"><span style="font-family: "arial" , "helvetica" , sans-serif;">Fet per: Xavier Gaston, Alvaro
Losada i Pedro Lorente Seccions: C i D</span></span><span style="font-family: "arial" , "sans-serif"; font-size: 9.0pt; line-height: 115%;"><o:p></o:p></span></div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-5673114704598229762017-05-13T19:50:00.002+02:002017-05-13T19:50:25.469+02:00HOUSTON, SE'NS ESCAPA UN LLADRE!En el nostre grup composat per Judit Alastrué, Elisabet Sorribes i Elena Rühling hem fet un vídeo explicant un problema ambientat en una sèrie policíaca. Esperem que us agradi i que ho gaudiu.<br />
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Aquí us deixem el link del vídeo del problema: https://drive.google.com/file/d/0B205ss3Fp3e8OHRqS0FUTGRSaDQ/view?usp=sharing </div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-60477201939752692292017-05-13T15:01:00.000+02:002017-05-13T15:07:05.151+02:00Houston Street<div class="separator" style="clear: both; text-align: center;">
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<span lang="CA" style="line-height: 115%;"><span style="font-family: Arial, Helvetica, sans-serif;">L’any 1963 va morir mentre anava en cotxe pel
Carrer Houston, un dels presidents més estimats dels Estats Units, John F
Kennedy. La seva mort és encara un misteri, però amb el recull d’informació de
la policia i els teus amplis coneixements de física ja no ho serà més.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidHWZ_ZjSPN6hyMNTl2yDAgEvQwYPip3SlGcspF49kkFw-zmAmL5YAWvYwlb3tJ3a6p43JfAxMi4fJ5F_PxZfhSFqmB2IPHf8dbB_IUZLHtmauSMYShJ6V30u535X-5DUyJ8I38dEaUujG/s1600/kennedy++Lincoln+X-100+aeropuerto.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: medium;"><img border="0" height="260" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidHWZ_ZjSPN6hyMNTl2yDAgEvQwYPip3SlGcspF49kkFw-zmAmL5YAWvYwlb3tJ3a6p43JfAxMi4fJ5F_PxZfhSFqmB2IPHf8dbB_IUZLHtmauSMYShJ6V30u535X-5DUyJ8I38dEaUujG/s400/kennedy++Lincoln+X-100+aeropuerto.jpg" width="400" /></span></a></div>
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<span lang="CA" style="font-family: "arial" , "helvetica" , sans-serif; font-size: medium; mso-ansi-language: CA;">El teu objectiu és esbrinar quin dels dos sospitosos
va matar al president Kennedy. <o:p></o:p></span></div>
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<span lang="CA" style="font-family: "arial" , "helvetica" , sans-serif; font-size: medium; mso-ansi-language: CA;">Per això, haureu de veure aquest vídeo per obtenir les
dades necessàries: <o:p></o:p></span></div>
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<span lang="CA" style="font-family: "arial" , "helvetica" , sans-serif; font-size: medium; mso-ansi-language: CA;"><a href="https://drive.google.com/file/d/0BwZxmYhUpeMyTjdwYzNZenJYVWs/view?ts=5914d7dc" target="_blank">https://drive.google.com/file/d/0BwZxmYhUpeMyTjdwYzNZenJYVWs/view?ts=5914d7dc</a></span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif; font-size: medium;"><span lang="CA" style="font-family: "arial" , "sans-serif"; mso-ansi-language: CA;">La pregunta és: Qui va matar a Kennedy? Oswald o Wilkens?</span><o:p></o:p></span><br />
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<span lang="CA" style="font-family: "arial" , "helvetica" , sans-serif; font-size: medium; mso-ansi-language: CA;">Teresa Jurado, Ariadna Soler, Laura Pallàs, Alicia Corta </span></div>
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<span lang="CA" style="font-family: "arial" , "helvetica" , sans-serif; font-size: medium; mso-ansi-language: CA;">1r Batx. A</span></div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-28579328435303800352017-05-13T11:41:00.000+02:002017-05-23T10:59:25.669+02:00Houston, tenim el tir perfecte!<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="font-family: "arial"; font-size: 11pt; white-space: pre-wrap;">L'equip de bàsquet Nacional s'està preparant per a la temporada vinent. Després del fracàs de les darreres jornades, han decidit provar amb un nou mètode d'entrenament. Alguns dels components de l'equip van estudiar física a l'escola i han pensat que podrien analitzar els seus llançaments mesurant diferents variables per tal d'esbrinar l'altura, la velocitat, l'angle i la distància a la cistella idonis en diversos casos.</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Per realitzar aquests càlculs considerem que la gravetat és 9,8 m/s^2 i l’altura de la cistella és sempre la mateixa: 3 m</span></div>
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<span style="font-family: "arial"; font-size: 11pt; white-space: pre-wrap;">Recorda que cap llançament és perfecte i tal vegada els valors oscil·lin unes dècimes amunt o avall del resultat que obtinguis. Preparats, llestos, BÀSQUET!</span></div>
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<span style="font-family: "arial"; white-space: pre-wrap;"><span style="color: blue; font-size: large;">Clica la imatge per descarregar el Tir Perfecte!</span></span><br />
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<a href="https://drive.google.com/a/fje.edu/file/d/0B947_HSfIMQKMmllNjliWlJQalU/view?usp=sharing" target="_blank"><img border="0" height="233" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJK7RSrsPsKSjAGM0Bpc9YLdjt4cbuFTKM1dXh_zqHUyExx-AmcDTJrF38QL1RDZ6q39fK_NLV8KL3cHhGMsb6NBd5bQAkV4BaAQVSiYWnCwe22NeCVvKdChjzruHQHIHowIUS6V9rqdMt/s400/Sense+t%25C3%25ADtol.jpg" width="400" /></a></div>
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<span style="font-family: "arial"; white-space: pre-wrap;"><span style="white-space: pre-wrap;">Gerard Carrera, Blanca Garcia, Mar Puente i Sara Rebollo</span></span></div>
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<span style="font-family: "arial"; white-space: pre-wrap;"><span style="white-space: pre-wrap;">1r Batxillerat A</span></span></div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com3tag:blogger.com,1999:blog-8270125843968323890.post-30630378192196557302017-05-13T10:19:00.000+02:002017-05-25T16:31:52.372+02:00E.T es dona a la fuga<div>
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La setmana passada l’Elliot va organitzar-li un comiat a E.T per la bona estona que ha passat amb ell en la seva estada a la terra. A les 23:30, una nau espacial es disposarà a 163 metres d’alçada per recollir-lo durant el vol amb bicicleta que farà l’extraterrestre. Elliot ha pensat un mètode perquè pugui arribar a aquella alçada, però no sap del cert si arribarà a embarcar. El pla que ha ideat Elliot consisteix en el següent: E.T dona 4 voltes en una rotonda de 15 metres de radi, durant 1minut i 23 segons; però això no és tot, es troba a un turó de 170m d’alçada pel qual ha de baixar just després de la rotonda, i a baix de tot es troba amb una rampa muntada pels amics del nen de 77° i 65 metres d'alçada que l’enlairarà fins a un cert punt.<br />
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Amb aquestes dades series capaç d’ajudar a Elliot a confirmar que el seu nou amic embarcarà en aquesta nau espacial?</div>
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Dario Joerges, Isabel Puigferrat, Andrea Salvia, Berta Barenys i Alex Campos</div>
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1r Batx A</div>
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<a href="https://docs.google.com/document/d/10OVQbjzNIsg2wuUTAijRjGPowPTAHQMx7YY_oY9OqNQ/edit" target="_blank">Solucionari</a></div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com0tag:blogger.com,1999:blog-8270125843968323890.post-70140450128957817002017-05-13T00:28:00.003+02:002017-05-13T00:43:05.110+02:00Pirates del Caspribe<br />
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<span style="font-family: "georgia" , "times new roman" , serif;"><span style="color: #cc0000;">ATENCIÓ! Es recomana parar el vídeo abans del minut 2:21 per evitar
spoilers</span></span></div>
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<span style="font-family: "georgia" , "times new roman" , serif;">Per sortir del vaixell de la física, el Jack Sparrow, de 70
quilos ha lligat una corda de pes negligible a un canó d’una tona. La corda
passa per sobre d’una vela de 7 metres, i queden 7,45 metres penjant. Al
disparar una bala de 35 kg a 500 m/s i al arribar a l’altura de la vela es
deixa anar fent un tir parabòlic. L’altre vaixell, el de dibuix tècnic, es troba
de 9 metres de distància.<o:p></o:p></span></div>
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<!--[if !supportLists]--><span style="font-family: "georgia" , "times new roman" , serif;"><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">a)<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><!--[endif]-->Arribarà el Jack Sparrow a l’altre vaixell?<o:p></o:p></span></div>
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<!--[if !supportLists]--><span style="font-family: "georgia" , "times new roman" , serif;"><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">b)<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><!--[endif]-->Si és així, a quina distància de la vora caurà?<o:p></o:p></span></div>
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Alex Anglada, Tomàs Coll, Anna Oliveres i Jana Soler</div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-54356596665132580412017-05-12T23:25:00.000+02:002017-05-12T23:45:42.790+02:00Houston, tenim un entrenament!Estimat estudiant de física,<br />
<br />
Avui et proposem una nova manera interactiva de resoldre el nostre problema de Houston "<b>Houston, tenim un entrenament!"</b><br />
<b><br /></b>
Trobaràs tot el que busques aquí...<br />
<br />
<a href="https://edpuzzle.com/media/59158ee33920c03ffb191f3c">https://edpuzzle.com/media/59158ee33920c03ffb191f3c</a><br />
<br />
Endavant!<br />
<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb8Zsn76CVQfpDrLS2fcYZj7jMGqMe6bXYCY7-izQEqN6YJsUn8rKWMa39eiPzpL7UJRzp_RSJN9OHNGNAKkknM2jcz4D_c49r0FXDrVcVnBK3IKbrJJ09rfAysdPxVNHlY2ZJ07RKrby6/s1600/detective.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb8Zsn76CVQfpDrLS2fcYZj7jMGqMe6bXYCY7-izQEqN6YJsUn8rKWMa39eiPzpL7UJRzp_RSJN9OHNGNAKkknM2jcz4D_c49r0FXDrVcVnBK3IKbrJJ09rfAysdPxVNHlY2ZJ07RKrby6/s200/detective.png" width="199" /></a></div>
<br />
<br />
<div style="text-align: right;">
Albert Mata</div>
<div style="text-align: right;">
Víctor Rodríguez</div>
<div style="text-align: right;">
Arnau Sedeño</div>
<div style="text-align: right;">
Javier Lloret</div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com1tag:blogger.com,1999:blog-8270125843968323890.post-79188636711675414852017-05-12T21:12:00.002+02:002017-05-24T20:59:37.799+02:00Houston, se'ns escapa la roda!<div class="separator" style="clear: both; text-align: center;">
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<br /><iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dyzfZrQflUsLCv84uQavLJIP8DPKH5zebUPhX5rA3AhONQ2MsI5rZX6rR2UbicAAQyTITCMzC3qfxl_7yzIjw' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
<br />
Un programa xinès consisteix en llençar pneumàtics de cotxe rampa avall per una pista d'esquí de salt.<br />
<br />
La pregunta que es demana és:<br />
-Passaria la roda per sobre de la barrera de 5 metres d'altura?<br />
Dades de l'enunciat:<br />
- 35m d'altura de la pista.<br />
- 4,8 kg la roda.<br />
- 5 metres d'altura de la rampa.<br />
- 40 metres, la distància entre la rampa i la barrera.<br />
- 8 metres d'altura de la barrera.<br />
- 30<span style="background-color: white; color: #545454; font-family: "arial" , sans-serif; font-size: x-small;">º </span>l'angle de la velocitat amb l'eix de la x.<br />
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<div style="text-align: right;">
Jordi Chen</div>
<div style="text-align: right;">
Roberto Esteban</div>
<div style="text-align: right;">
Adrià Salido</div>
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<br /></div>
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1r batxillerat A</div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com4tag:blogger.com,1999:blog-8270125843968323890.post-48356083312187085562017-05-12T20:56:00.000+02:002017-05-30T12:13:12.733+02:00HOUSTON, ETERN CAPITÀ (I CATALÀ)<div class="separator" style="clear: both; text-align: center;">
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">En la semifinal del mundial de futbol de l’any 2010, que va ser celebrat a Sudàfrica, s’enfrontaven les seleccions d’Espanya i Alemania per un lloc en la gran final contra Holanda. Durant tot el partit ambdós equips van tenir moltes ocasions pero ningú va aconseguir marcar gol. Fins que en el minut 73, Carles Puyol, un dels defenses centrals de la selecció espanyola i un mite del barcelonisme, va marcar un gran gol rematant amb el cap un centre de corner.</span></div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/uqD4qW3DR3Q/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/uqD4qW3DR3Q?feature=player_embedded" width="320"></iframe></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Part 1:</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div>
<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">El llençament de corner del mestre Xavi Hernández previ al gol és un clar moviment parabòlic. El Xavi forma un triangle d’angle 18,21º amb la línia de fons. Puyol, per la seva banda, està a 15 metres de la porteria abans del moviment, i avança 5 metres fins a rematar. </span></div>
<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Tenint en compte que el Puyol arrenca a córrer en línia recta i salta per arribar a rematar, calcula a quina alçada haurà d’impactar Puyol amb la pilota per poder marcar. També busca la velocitat final amb la que la pilota arribarà al cap de Puyol i si aquesta estarà pujant o baixant.</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Dades: </span></div>
<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Xavi xuta la pilota de tal manera que la pilota surt amb un angle de 28,31º i aquesta està a l’aire durant 1,75s abans d’impactar contra el cap de Puyol..</span></div>
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<span style="font-family: "arial"; font-size: 12pt; line-height: 1.38; white-space: pre-wrap;">Nota: Fregament amb l’aire negligible i pilota la considerem un mòbil puntual.</span></div>
<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">g=10m/s^2.</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"></span></div>
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<a href="https://lh6.googleusercontent.com/snOIRq-t-qGjXji2yfq_YvsDyz_1p9s4pd1ZNXHzOTfzMDOwGCcR7nKKOMZ8A23zlJQNn4WGt7XHpIy5G-nw9cmN7nDfVBr1YJQ-syLdsgCmx-WxqqxwmQUwssMdRjwsNevI_ws-" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="151" src="https://lh6.googleusercontent.com/snOIRq-t-qGjXji2yfq_YvsDyz_1p9s4pd1ZNXHzOTfzMDOwGCcR7nKKOMZ8A23zlJQNn4WGt7XHpIy5G-nw9cmN7nDfVBr1YJQ-syLdsgCmx-WxqqxwmQUwssMdRjwsNevI_ws-" style="-webkit-transform: rotate(0rad); border: none;" width="275" /></a><span id="docs-internal-guid-7d98b47c-462a-b497-1824-69d0a0ca417f"><br /></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div>
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<span style="font-family: "arial"; font-size: 12pt; line-height: 1.38; white-space: pre-wrap;">Part 2:</span></div>
<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div>
<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Alhora si ens centrem en el moviment de Puyol i l’analitzem, podem observar que es divideix en un MRUA i una paràbola. En total recórrer 5 metres distribuits en 4metres de MRUA i un metre de salt. Alhora, cal dir que en el salt s’ha d’agafar com a referència el cap de Puyol, que considerem que està 1750mm del terra. Sabent que Puyol inicia la seva carrera justament en el moment que Xavi xuta i que passen 1,3 segons abans que comenci el salt, calcula la velocitat final amb la que arribarà Puyol a rematar i l’angle d’inici de la paràbola del Puyol.</span></div>
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<br /></div>
<div style="text-align: justify;">
<div style="text-align: right;">
Mujtaba Afzal</div>
<div style="text-align: right;">
Roger Bocanegra</div>
<div style="text-align: right;">
Isaac José</div>
<div style="text-align: right;">
Fernando Rodriguez</div>
</div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-60072227794252273552017-05-12T19:05:00.000+02:002017-05-12T19:05:52.022+02:00Houston, en Tom té un altre pla per caçar en Jerry<div class="separator" style="clear: both; text-align: center;">
<img border="0" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHfVHg29spNiHvTL0RUqOBcYaXFMt6Vc0aYYUSLdLej21U9Ry2AhGVOksbvK-ic0pSosc2va0WGbZEZA52_5bBucLOj6BmpjEkeL33KuPimnmugAGcDzQ2alvEkMLmXE9KXQn7oOreQAeW/s640/Houston.png" width="452" /></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Per veure millor l'enunciat clica <a href="https://drive.google.com/file/d/0B9iLLTYVVVAURThiOUQ0Ym9BbkE/view?usp=sharing" target="_blank">aquí</a>.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">A) Justifica si en Tom pot caçar a en Jerry amb aquesta trampa.</span></div>
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<span style="font-size: large;"><span style="font-family: "arial" , "helvetica" , sans-serif;">No continuïs llegint fins que hagis acabat amb el primer apartat!!</span></span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">B) Què és el que falla de la trampa? Què és el que s’hauria de millorar per tal de poder ajudar a caçar al Jerry?</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Muna Abdul, Marta Barros, Maria Mei Bellsolà, Mariona Puigdomènech i Maria Ysern</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">1r Batxillerat E</span></div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-19452723062432495532017-05-12T00:01:00.000+02:002017-05-12T00:01:01.231+02:00Houston, Alícia al País de les Meravelles<h2>
Houston, Alícia al País de les Meravelles!</h2>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dz4jHagiIFcB6qxHdFEkHZ3T7oTCr6JoUVAJe6kkDF3p8j6wR98Ok4u7WRVW2xQGnm0J7G_SsKJFu8oTqpFfA' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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<span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Considera la caiguda d’Alícia com a una </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">caiguda lliure</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> recta, és a dir, no tinguis en compte les tombarelles, els canvis de direcció i les diferents peripècies que pateix durant el camí. </span></div>
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<span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> </span></div>
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<span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">1)</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 7pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 7pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span class="Apple-tab-span" style="white-space: pre;"> </span></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sabent que la fondària del cau és de 500 m, troba la </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">velocitat</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> a la que cau Alícia. Pots utilitzar el vídeo per esbrinar el temps de la caiguda. </span></div>
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<span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">2)</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> El cau transporta a Alícia a un nou món amb característiques ben diferents al nostre;</span></div>
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<span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> una d’elles és la gravetat, que allà té una acceleració de 2 m/s^2. Si Alícia es pugés una</span></div>
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<span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> balança un cop en aquest nou món, </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">quant marcaria</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">? Massa</span><span style="background-color: transparent; color: cyan; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Alícia: 28 kg.</span></div>
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<span style="font-size: 11pt; font-weight: 700; vertical-align: baseline;">3)</span><span style="font-size: 11pt; vertical-align: baseline;"> Voltant per aquest indret, Alícia s’uneix a una cursa força peculiar: la cursa</span></div>
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<span style="font-size: 11pt; vertical-align: baseline;"> sense final, que es corre seguint una trajectòria circular amb un radi de 2,2 m. Calcula la</span></div>
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<span style="font-size: 11pt; vertical-align: baseline;"> </span><span style="font-size: 11pt; text-decoration-line: underline; vertical-align: baseline;">velocitat angular</span><span style="font-size: 11pt; text-decoration-line: none; vertical-align: baseline;"> i </span><span style="font-size: 11pt; text-decoration-line: underline; vertical-align: baseline;">l’acceleració centrípeta</span><span style="font-size: 11pt; text-decoration-line: none; vertical-align: baseline;"> dels participants de la cursa, tenint en compte</span></div>
<span style="font-size: 11pt; text-decoration-line: none; vertical-align: baseline;"> que tots corren a la mateixa velocitat. Pots calcular el període a partir del vídeo.</span></span></span></div>
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<b>Creadors: </b>Núria Pujol, Gerogina Fuentes, Albert Díaz, Elizabeth Alcántara </div>
1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-24699134108891090262017-05-11T23:48:00.001+02:002017-05-11T23:52:09.385+02:00HOUSTON! Tenim un tir parabòlic!<h1 dir="ltr" style="line-height: 1.38; margin-bottom: 6pt; margin-top: 20pt;">
<span style="font-weight: 400; line-height: 1.38; white-space: pre-wrap;"><span style="font-family: Arial, Helvetica, sans-serif; font-size: small;">Arriba època d’exàmens, i com cada any a la Maria i als seus companys els toca fer la prova del llançament de la pilota medicinal. Per començar es llençarà la pilota de 5Kg, aquesta ha de superar els 2,30m per obtenir l’aprovat, si supera aquesta mesura, cada 10cm més s’obtindrà un punt més a la nota.</span></span></h1>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="line-height: 1.38; white-space: pre-wrap;">1. Calcula si la marta obtindrà el aprovat.</span><br /><span style="white-space: pre-wrap;"><br /></span><span style="line-height: 1.38; white-space: pre-wrap;">2. I si ara realitza el tir amb una pilota de 7kg aprovarà? Tingues en compte que l’impuls serà el mateix que amb la pilota de 5kg.</span><br /><span style="white-space: pre-wrap;"><br /></span><span style="line-height: 1.38; white-space: pre-wrap;">3. Ara esbrina quina pilota trigarà més en caure, la de 5 o de 7kg? Perquè? Raona la teva resposta.</span></span><div>
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<span style="font-family: "arial"; font-size: 14.6667px; line-height: 20.24px; white-space: pre-wrap;">Joana Royo, Clara Izuel i Maria Bas</span></div>
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<span style="font-size: 14.6667px; line-height: 20.24px; white-space: pre-wrap;">1r de Batxillerat A</span></div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com1tag:blogger.com,1999:blog-8270125843968323890.post-16560420772465926582017-05-11T22:02:00.002+02:002017-05-11T22:21:33.691+02:00Houston, la física en el "Reino Champiñón"<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
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<span style="font-weight: normal;"><span style="background-color: white; font-family: arial, helvetica, sans-serif; text-align: justify;"><span style="font-size: large;">Malauradament, en Bowser ha tornat un altre cop a segrestar a la dolça
princesa Peach. Com que ara ja entenem més de física, a més a més de veure com
en Mario es passa el nivell i lluita contra el Bowser, l'ajudarem també amb els
nostres coneixements físics perquè així no perdi cap de les seves
"vides" i pugui arribar al final amb més facilitat.</span></span></span></h3>
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<span style="font-family: "arial" , "helvetica" , sans-serif; font-weight: normal; white-space: pre-wrap;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrkLqovPL2wBC3isMk3hwHc4QyIzck07c9x_EnNRKNDWYaqF1MAx9VhpsaI_CtEcra7Grn30CVbJWcXoxif5JCBzmJoy3IoNipJ2_41wyFRl4KcnDZCC9yuc_g82f9LjVcbYr_dDef2D4J/s1600/1.jpeg" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center; white-space: normal;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrkLqovPL2wBC3isMk3hwHc4QyIzck07c9x_EnNRKNDWYaqF1MAx9VhpsaI_CtEcra7Grn30CVbJWcXoxif5JCBzmJoy3IoNipJ2_41wyFRl4KcnDZCC9yuc_g82f9LjVcbYr_dDef2D4J/s320/1.jpeg" width="319" /></a></span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;"><span style="background: white;">El nostre heroi de 50kg i
la gravetat en el “Reino Champiñon” es de 10m/s^2. A m té una massaés a més, en
aquest món no hi ha cap mena de forces de fregament ni resistència de l’aire.</span><o:p></o:p></span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif; font-weight: normal; white-space: pre-wrap;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgvKE4pLoa8oraTLPuy6SFk1R7JqoJxkounLGvKvEHcm16w-QPc6ghF7rieBIlKuPEdFCHgt3fBf5nLb553DzFkMcc3AIE_PkQrZGVGrjxuk_D-TlxooYbnnByRGJ0MZ_h-dA2tt35aMA52/s1600/mario.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center; white-space: normal;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgvKE4pLoa8oraTLPuy6SFk1R7JqoJxkounLGvKvEHcm16w-QPc6ghF7rieBIlKuPEdFCHgt3fBf5nLb553DzFkMcc3AIE_PkQrZGVGrjxuk_D-TlxooYbnnByRGJ0MZ_h-dA2tt35aMA52/s320/mario.jpg" width="303" /></a></span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><span style="background-color: white; text-indent: -18pt;">1. </span><span style="background-color: white; text-indent: -18pt;">En Mario es troba davant
d'un precipici amb enemics de lava de 1,5m de longitud. Salta parabòlicament
amb un angle de 30° i una velocitat de 5 m/s. Podrà superar l'obstacle? O
acabarà cremat?</span></span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;"> <img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj249-fIluTKCQ1kURYkbViUwKcQOgucoHFycNLCImus0lgBNGDowo1cJ0T4nYTjOy79amYZKhZOskP4TbNGF4PaTMSHupQAw0O5qOyXQAF08PpwXzdBKdolapz6FBqpI9d2L6JbbZ01kiL/s320/2.jpeg" /></span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;"><b style="text-indent: 0cm;">2.<span style="font-stretch: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;"> </span></b><span style="background: white; text-indent: 0cm;">Un cop
ha passat el precipici, cau sobre un bolet gegant que està comprimit. Gràcies a
l’energia elàstica emmagatzemada del bolet (ja que que està comprimit), quan en
Mario hi entra en contacte, surt disparat cap a amunt ja que s’allibera tota
l’energia. (Surt disparat en sentit ortogonal al terra) A una alçada de 3 m, hi
ha un núvol amb forma de calavera. Calcula si en Mario pot arribar-hi sabent
que la molla comprimida fa 0,5 m i la seva longitud normal és de 2 m. La
constant elàstica de la k és de 1333,33N/m.</span></span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;"><b><span style="background: white;">IMPORTANT:</span></b><span style="background: white;"> Els núvols en forma
de calavera són un tipus especial de núvols en els quals pots traspassar-los
per baix però un cop et trobes a sobre et retenen. És a dir, si caus des de
dalt, no traspassaràs el núvol.</span><b><o:p></o:p></b></span></div>
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<span style="background: white;">3. Quan ha arribat sobre el núvol, de cop apareix un corrent d'aire de 2 m/s que el fa desplaçar cap a la dreta conjuntament amb el núvol. Fins a una distància de 50 m, hi ha un seguit d’enemics que esperen ansiosos que en Mario caigui per poder-se’l menjar (es troben al terra) Si després de 25 segons el núvol s'evapora i en Mario cau, digues si serà capaç de sobrevolar tots els enemics i arribar a la següent fase.</span><o:p></o:p></div>
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<span style="background-color: white; text-indent: 0cm;">4. Un cop sobrevolat tots els enemics, es disposa a agafar un cotxe de Mario Kart (encara que no tingui el carnet de conduir del Reino Champiñon). L’agafa just davant d’una rampa que cau en forma de corba. En cap moment engega el cotxe, tan sols es deixa caure per la rampa des del punt més alt. Si el cotxe té una massa de 70 kg i en Mario té una massa de 50 kg, troba la velocitat amb la qual sortirà disparat de la rampa. L'inici de la rampa es troba a 3 m d’alçada i el final a 2 m.</span></div>
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<span style="background: white;">Gràcies a la velocitat que heu calculat i l'ajuda d'una súper estrella que es troba pel camí, aconsegueix matar (o no, ja que sempre torna) el seu enemic Bowser i rescatar a la seva estimada princesa Peach.</span><o:p></o:p><br />
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<span style="background: white;">Seguidament trobareu un
vídeo que ha gravat en Toad quan el Mario estava realitzant el nivell amb els
vostres càlculs.</span><br />
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dy3NH7WqEGx1Wp7Ad-00jrc6rDjU6Sg8VuIXs7-FXvjpLyc3JB2TSmGo_Eq7-7yhV4y8DSgrNUCxJLcacmnMA' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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<span style="background: white; line-height: 107%;">(El nivell l'hem construït
nosaltres amb el videojoc anomenat Mario Maker de la Wii U. Hem intentat que
s'assembli el màxim possible al que havíem inventat per fer el problema)</span></div>
<span style="background: white; line-height: 107%;"><span style="font-family: arial;"><span style="font-weight: 400;">Link per si no es veu el vídeo: </span></span></span><br />
<span style="background: white; line-height: 107%;"><span style="font-weight: normal;">https://drive.google.com/a/fje.edu/file/d/0B0eaoUFIV66XZUtmM0pzdFR3TEk/view?usp=sharing</span><br />
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A sota trobareu el còmic senser de les peripècies que ha fet en Mario per poder
salvar la princesa Peach. </span></span><br />
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<span style="font-weight: normal;"><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large; white-space: pre-wrap;">Adrià Pagès, Jaume Monclús, Jordi Galceran i Aleix Sant</span></span></div>
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<span style="font-weight: normal;"><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large; white-space: pre-wrap;">1r Batx E</span></span></div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-16084647955884078742017-03-01T10:58:00.000+01:002017-03-01T10:59:26.430+01:00ACCIDENT A MERCABARNA<span id="docs-internal-guid-2a9f74e1-894c-1181-9790-57f26e18cd79"><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"> </span></span><br />
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<img height="145" src="https://docs.google.com/drawings/u/1/d/sMqSfaDv7ct5tcXIKMp0pMA/image?w=497&h=184&rev=1&ac=1" style="border: none; font-family: Arial; font-size: 11pt; transform: rotate(0rad); white-space: pre-wrap;" width="400" /><br />
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Un camió està descarregant uns barrils procedents dels EEUU al Mercabarna, però mentre els descarregava, un dels barrils va caure i va rodolar per terra, fins arribar a una rampa metàl·lica on va començar a baixar; al final d'aquesta hi havia un home.</span></div>
<span id="docs-internal-guid-2a9f74e1-894c-ffc0-6045-ce49289e2d74"></span><br />
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Calcula la velocitat amb la qual va arribar a baix el barril de 13,5 kg, si sabem que abans de començar a baixar, per la rampa que forma un angle de 30º respecte l´horitzó, tenia una velocitat de 0,5 m/s i es trobava a una alçada de 6 metres. (Coeficient de fregament = 0,18)</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Si l'home que es troba a baix exerceix un força de 100 N, serà suficient perquè l´home pugui aturar el barril? (Massa de l´Home 80 Kg).</span></div>
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<span style="font-family: "arial";"><span style="white-space: pre-wrap;">Xavi Gastón, Alvaro Losada, Ferran Lozano i Pedro Lorente</span></span></div>
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<br />1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com1tag:blogger.com,1999:blog-8270125843968323890.post-2610464708918526082017-02-28T23:58:00.003+01:002017-03-07T23:13:42.935+01:00Houston, tenim una celebració al Bungee Jumping!<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Per fer aquest problema, ens hem basat en el següent vídeo de l’Experiència Bungee Jumping de Lloret de Mar. Visualitza'l per fer el problema, quina adrenalina!</span></div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/oS9WhuYz-kU/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/oS9WhuYz-kU?feature=player_embedded" width="320"></iframe></div>
<span style="background-color: transparent; color: #1155cc; font-family: "arial"; font-size: 11pt; font-style: normal; font-weight: 400; vertical-align: baseline; white-space: pre-wrap;"> </span><span style="background-color: transparent; color: #1155cc; font-family: "arial"; font-size: 11pt; font-style: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;"> <a href="https://www.youtube.com/watch?v=oS9WhuYz-kU" style="text-decoration: none;">https://www.youtube.com/watch?v=oS9WhuYz-kU</a></span><br />
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">També hem extret informació i dades de la seva web oficial:</span></div>
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<a href="http://www.puentingbarcelona.com/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">http://www.puentingbarcelona.com/</span></a></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 14pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">PROBLEMA:</span></div>
<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: justify;">
<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">És l’aniversari d’en Marcio Maia, un portuguès que va estudiar la carrera de física. Avui fa 40 anys i els seus amics de la carrera han decidit fer-li un regal. Com li agraden els esports de risc i l’ambient Mediterrani, unes vacances per Barcelona amb una invitació pel Bungee Jumping de Lloret de Mar era la millor opció.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiClBDdUwdefyXqcJEZ8p-wyvzHDpAiPdeYvwULXSicXkBPjn3qozi2N4KaRwferfBN9h7orF4vf5mof3I9qn9s7P7X2Eb81yLglHmO-oh4TglKyAIy1bThsQL2ftQey_eusuddWdWzBEa_/s1600/Captura+de+pantalla+2017-02-28+a+la%2528s%2529+23.19.43.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="111" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiClBDdUwdefyXqcJEZ8p-wyvzHDpAiPdeYvwULXSicXkBPjn3qozi2N4KaRwferfBN9h7orF4vf5mof3I9qn9s7P7X2Eb81yLglHmO-oh4TglKyAIy1bThsQL2ftQey_eusuddWdWzBEa_/s200/Captura+de+pantalla+2017-02-28+a+la%2528s%2529+23.19.43.png" width="200" /></a><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Quan arriba al Bungee Jumping, li fan unes breus explicacions: el salt té una alçada de </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">80m</span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, i per escollir la corda més adequada per l’experiència del jumping li mesuren el pes. En Marcio pesa </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">75kg</span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, i com indica la web, li correspon la corda </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">verda.</span><br />
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">També li expliquen, </span><span style="font-family: "arial"; font-size: 14.6667px; white-space: pre-wrap;">degut al seu interès per la física,</span><span style="color: black; font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"> que totes les cordes tenen una mida total de </span><span style="color: black; font-family: "arial"; font-size: 11pt; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">8 metres</span><span style="color: black; font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"> sense tensió, </span><span style="font-family: "arial"; font-size: 14.6667px; white-space: pre-wrap;">com ho indica el lloc web.</span><br />
<span style="font-family: "arial";"><span style="font-size: 14.6667px; white-space: pre-wrap;">Sabent aquesta informació, en moment de lucidesa i por, es fa moltes preguntes abans de pujar a la plataforma des d'on es llançarà. Per superar el pànic, necessita la vostra ajuda: no es veu en cor de fer-ho sense resoldre els seus dubtes. Els vols ajudar? Endavant amb les següents preguntes!</span></span><br />
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<span id="docs-internal-guid-0f7cc560-86dd-b542-948d-d294a2d6a89c"><span style="font-family: "arial"; font-size: 11pt; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">a) Calcula la K de la corda verda en el moment que el Pes i la Tensió es compensen, sabent que en Marcio es troba en aquell instant a 44,75 m de la plataforma des d’on s’ha llançat, que penja de la grua.</span></span><br />
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<span id="docs-internal-guid-0f7cc560-86d8-0e01-3969-335b85554738"><span style="font-family: "arial"; font-size: 11pt; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">b) En la primera baixada i rebot es perd un 40% d’energia. Fins a quina alçada arribarà després de produïr-se el rebot? En què s’haurà dissipat aquesta energia?</span></span><br />
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">c) Calcula i raona a quina alçada l’home tindrà la màxima E. cinètica. Considera el fregament amb l’aire negligible.</span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">d) </span><span style="font-family: "arial"; font-size: 11pt; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="color: red;">CHALLENGE</span> (optativa): Espereu! Resulta que a en Marcio li sobra un altre </span><span style="font-family: "arial"; font-size: 11pt; font-style: italic; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">vale</span><span style="font-family: "arial"; font-size: 11pt; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"> per tornar a llençar-se!! No obstant, aquest cop l’activitat és una mica diferent ja que, com ell aprecia la seva vida, escull no realitzar-la una altra vegada. Decideix trencar-se el cap amb un altre problema de física! Què emocionant!</span></div>
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<span id="docs-internal-guid-0f7cc560-86e7-7b1e-31e5-130532c16c66"><span style="font-family: "arial"; font-size: 11pt; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Un objecte que té la funció d’imitar el cos de Marcio amb les mateixes condicions, es deixa caure des de la mateixa alçada amb una altre corda de 3 m de longitud i k = 15 N/m. Des del primer instant, va lliscant sobre un pla inclinat que forma un angle de 60º respecte a la superfície plana de la terra. L’energia potencial inicial de l’objecte és de 58800 J, l’objecte i la superfície formen un coeficient de fregament cinètic de 0,3 i la força de fregament de l’aire que actua sobre l’objecte es de 226,28 N. Troba la longitud de la corda en el primer moment en el que l’objecte no té acceleració.</span></span></div>
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<span style="font-family: "arial"; font-size: 11pt; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Fet per: </span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Javier Lloret, </span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Albert Mata, Arnau Sedeño, Víctor Rodríguez</span></div>
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1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com1tag:blogger.com,1999:blog-8270125843968323890.post-6516278722423487422017-02-28T23:54:00.002+01:002017-03-01T00:11:46.822+01:00HOUSTON, EN MARK WATNEY ENS NECESSITA<div class="separator" style="clear: both; text-align: center;">
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<span id="docs-internal-guid-6ec0809e-86dc-0d5b-4c12-03e82d0b7b38"><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><b>Per a realitzar el nostre problema ens hem basat en una escena de la pel·lícula anomenada “The Martian”. Ens ha servit com a font d’inspiració per a mostrar el context/temàtica del nostre cas. El problema doncs, no segueix al 100% el que succeeix en el fragment de pel·lícula. </b></span></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>1) Com hem vist en l’escena extreta de la pel·lícula de “The Martian”, tenim un coet que surt de la superfície de Mart amb una acceleració de 385m/s^2. El tripulant de la nau, anomenat Mark Watney, necessita saber uns paràmetres del seu llançament perquè els seus companys que es troben a la nau anomenada Lewis el puguin acollir.</b></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>Seguidament et formularem les preguntes que li han encomanat els de la seva tripulació (des de l’espai) perquè es pugui dur a terme el llançament i el nostre astronauta pugui arribar sa i estalvi a la nau Lewis. Només cal trobar unes dades ja que la resta de la tripulació s’encarregarà de la resta de càlculs. </b></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>TIRA CÒMICA REPRESENTATIVA DEL MOVIMENT </b></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixm2kFohe3viqrANlATUDD02QmSO8mRk_RChWmZOF7lHT_klqkTMcRphuDNLnSm4t0RJmY0DBUVypvUqKr31qFmHUpPYhmg_q9gFKylIyD8CsJMyb4di9H8OxRKj2wj25irZcewTbBs7tK/s1600/mart2.jpeg" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" height="102" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixm2kFohe3viqrANlATUDD02QmSO8mRk_RChWmZOF7lHT_klqkTMcRphuDNLnSm4t0RJmY0DBUVypvUqKr31qFmHUpPYhmg_q9gFKylIyD8CsJMyb4di9H8OxRKj2wj25irZcewTbBs7tK/s320/mart2.jpeg" width="320" /></a></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>DIBUIX ESQUEMÀTIC (En Mark ha pogut dibuix un esbòs però no ha pogut acabar de fer els càlculs necessàris per a resoldre el problema)</b></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXBDsanWHpUW7cLzwr6LkEikV8Jr5JIwHvm7EQRs4otzofgCyc1hEjgEEKnDBdurIruMJkJ1qVqjHKx1gEnphP0ZmoeCOfziOTU_78yqWufeLtQrJGC7mJXR5hBTCeyfSeRrCOxbzLkF4f/s1600/mart1.jpeg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="260" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXBDsanWHpUW7cLzwr6LkEikV8Jr5JIwHvm7EQRs4otzofgCyc1hEjgEEKnDBdurIruMJkJ1qVqjHKx1gEnphP0ZmoeCOfziOTU_78yqWufeLtQrJGC7mJXR5hBTCeyfSeRrCOxbzLkF4f/s320/mart1.jpeg" width="320" /></a></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Quan arribi a 10.000 metres d’altura, quina velocitat tindrà? Tingues en compte que l’energia mecànica del coet és de 5,77·10^10 i considerem nul el fregament amb l’aire (la gravetat a Mart és de 3,711m/s^2). </span></div>
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<span id="docs-internal-guid-6ec0809e-86e7-842f-74ac-672457e5854c"><b><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">2) Quan trigarà a arribar als 200km d’alçada si quan surt dels 10km (punt tractat anteriorment) perd la meitat de la seva massa (com hem pogut veure en el vídeo). Tenint en compte que no hi ha forces de fregament. </span></b></span></div>
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<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Pista: La seva tripulació li ha mencionat que li serà útil la 2a llei de Newton.</span></b></span></div>
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<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><b>Membres del grup: </b>Aleix Sant, Marta Barros, Arnau Moré i Jordi Purgimon</span></div>
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<br />1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-54762177739649414422017-02-28T22:17:00.001+01:002017-02-28T22:21:05.862+01:00Evacuem Mart<b id="docs-internal-guid-f5a93602-845e-1234-389b-e1733f6f9893" style="font-weight: normal;"><br /></b>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Una nau S’enlaira des de la superfície de Mart, la tripulació ha patit canvis inesperats i un pot de “nocilla duo” els ha atacat, el monstre es imparable i ja ha matat més d'un terç de la colònia. Així que decideixen evacuar, i enlairar-se en el transbordador espacial USS. </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>SANDROWAPU.</b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> Així que surten de la superfície marciana amb rumb a la Terra, on pretenen aterrar a terreny fronterís entre mexic i estats units així estrellar-se contra el mur de Donald Trump. </span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div>
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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-weight: 400; margin-left: 1em; margin-right: 1em; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><img alt="Resultado de imagen de muro trump" height="215" 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" 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<span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">La USS </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>SANDROWAPU</b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">. és propulsada pel cohet més potent de la colònia, el Falcon 9, que és un propulsor de dos estats. Amb els seus 9 motors Merlin assoleix una propulsió de </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>8,227 KN</b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> aquesta és suficient per enlairar una massa total de 550 tones, l'enginyer de bord avisa al comandant que la gravetat de planeta vermell és de </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>3,70 m/s²</b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> l'enlairament es duu a terme sense complicacions després dels primers </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>162 segons</b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> el primer estadi del Falcon 9 se separa deixant a la USS </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>SANDRWAPU </b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">amb el segon estadi. Desde que han sortit de la pista d'enlairament a quina altura han arribat respecte a la superfície de Mart?, després de perdre les </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>517t </b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">del primer estadi el propulso intermedi és anses per corregir l'orbita, quin temps ha estat encès el motor de l'estadi intermedi si ha fet una força de </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>262,728 N </b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">la velocitat d’escapada de l'òrbita de mart és de </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>5,027 m/s</b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> és la velocitat que la USS </span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>SANDROWAPU</b></span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> ha d'assolir per posar rumb cap al planeta terra.</span><span style="background-color: transparent; color: black; font-family: "arial"; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span></div>
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<img alt="Resultado de imagen de nave a marte" src="https://zientziakultura.files.wordpress.com/2013/02/mision-a-marte.jpg" /></div>
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<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Un cop sortida de la òrbita de Mart, aquesta nau obté una velocitat de creuer de <b>3200km/h</b> amb rumb a la Terra. La distància mes pròxima entre la Terra i Mart mai registrada era de <b>52 milions de kilòmetres</b> però la nau <b>SANDROWAPU</b> ha agafat un mal dia per tornar, hi ha un embús, i la ruta que li espera és de mes de 225.000.000 kilòmetres. </span><br />
<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><img src="https://www.sinembargo.mx/wp-content/uploads/2015/06/astronautas-interior.jpg" /></span><br />
<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">-Quants anys llum seran aquests 225 milions de kilòmetres?</span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br /></span><br />
<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">-Quants anys trigaran en tornar?</span><br />
<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">- Quants mesos de Febrer de 29 dies es passaran a l'espai?</span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Finalment la nau aconsegueix arribar a la òrbita terrestre i comença el descens des de més de <b>140 kilòmetres</b> d'alçada. </span><br />
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<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">-Si sabem que el coeficient de fregament d'aquesta nau es de 0,4 ja que l’identifiquem com a esfèrica, a quina velocitat límit arribarà? </span><br />
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<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">-A quina alçada es trobarà en el moment que arribi?. </span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"><br /></span><br />
<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Però just quan arriben a aquesta alçada s'adonen de que quelcom falla i anul·len el pla d'aterrar amb el motors, cosa que fa que es desprenguin de la nau i que cada astronauta usi un paracaigudes. Sabent que els astronautes porten unes proteccions per a aguantar unes velocitats de com a màxim <b>16,6 metres</b> segons xocant contra el terra, quants paracaigudes haurien de tenir. </span><br />
<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Busca la b d'un paracaigudes.</span><img src="https://telecincostatic-a.akamaihd.net/informativos/sociedad/Paracaidas_MDSIMA20150706_0056_9.jpg" /><span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;"></span><br />
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<span style="font-family: "arial"; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">Jaume Monclús, Pau Pardo i Bernat Alemany</span>1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com2tag:blogger.com,1999:blog-8270125843968323890.post-15500986732112638782017-02-28T22:01:00.000+01:002017-03-07T14:28:22.980+01:00Houston, Els Simpson van al circ!<div class="separator" style="clear: both; text-align: center;">
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Els Simpson estan al circ i està a punt de començar el show. Una patinadora de 50kg (considerem que cada patí té una massa de 0'75kg) es troba en la zona més alta d'un pla inclinat de 10m d'hipotenusa i que forma un angle de 40º amb l'horitzontal. De sobte, es llença per la rampa i arriba a un altre pla inclinat de 2m de llargada i amb un angle de 30º respecte l'hortizontal. A poca distància trobem un aro de foc. Una vegada superat aquest primer obstacle haurà de caure a una superficie elàstica i arribar a una plataforma a una certa altura per acabar el seu arriscat espectacle. Ho aconseguirà? (Considerem g=9'8m/s2 i el fregament negligible).</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6sBVmYpEZ-ucmhl9xKwqhI2kZEuwSgAvZJiP2qNbAhT-8llhXYv6Qvo-6iqCo4xtAqSoXow1UUBfRPePmugXUpqApeEc_s_tTwZmoRDPwwSS9wgHdpNd9g7cviGM_Wt_Quuds70Neuu76/s1600/IMG_20170304_163452.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="323" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6sBVmYpEZ-ucmhl9xKwqhI2kZEuwSgAvZJiP2qNbAhT-8llhXYv6Qvo-6iqCo4xtAqSoXow1UUBfRPePmugXUpqApeEc_s_tTwZmoRDPwwSS9wgHdpNd9g7cviGM_Wt_Quuds70Neuu76/s640/IMG_20170304_163452.jpg" width="640" /></a></div>
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a) Calcula la velocitat just abans del segon pla inclinat, quan està alçada 0m.<br />
b) Calculla la velocitat abans de saltar cap a l'aro de foc.<br />
c) Podrà superar el primer obstacle? (Hauria de passar en el seu punt màxim.<br />
Busca la fòrmula per trobar l'altura màxima (ymax) en una paràbola.<br />
d) Arribarà a la plataforma? (Cau amb el seu pes)<br />
k=15000 Es comprimeix 40cm<br />
L'energia potencial a la plataforma amb la molla es negligible.<br />
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Anna Pérez, Neus Puigneró, Mar Lezcano<br />
1r Batx A<br />
<br />1r Batxillerat Casphttp://www.blogger.com/profile/11647031589376759424noreply@blogger.com1