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Guias e Dicas
Guias e Dicas

Exame unificado de Física (EUF) 2018-2, Provas de Física

Prova referente ao edital 2018-2

Tipologia: Provas

2019

Compartilhado em 19/11/2019

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tYuŒPSYPQ̂SWTQYRNXTN{]ŜYSY]SQRSYVPPXYTYN{WSTYUYXYUQWxYOUQYXNTVOQRYRSRS UN̂ XTQ̂SOWNRNUY{NŜ WST̂NPRS__ŽS‘L t{uŒPSYPQ̂SWTQYRNXTN{]ŜYSY]SQRS’̂ XSTSXYTYN{WSTYYVWNQORVWxYOUQYXNTVOQRYRS RSUN̂ XTQ̂SOWNRNUY{NŜ WST̂NPRS__ŽS‘L‚QUYUY]UV]SYSOST[QYYT̂YSOYRYON UŶ XN̂ Y[ÒSWQUNŜ V̂ UN̂ XTQ̂SOWNZOQWNRNUY{NSQ[VY]SNTSPV]WYRNY€…ˆ_NORSS̀Y YVWNQORVWxYOUQYS̀SYUNTTSOWSXS]NUY{NL „  !"#$%#& '()*)&"()'+', -!)./001230111/451 6.7218712931117318351278.728173:.;736.72<13=12931 >0=08.18.7218712931?/19108140833 06.721131451.0316/2@9126.7221935113AB C1DE/2?/1131451.0316/212711373</3451718/0 291/017017/1FGHIJK@730030272122710.1=30 1373</3451 C<DL18/816?/M231C0NOD12931C0PD/06.72/Q0302721 2118/812370C1D R S T S U VSWXY Z Z [WS\SXY T ] U R ] L2318̂1027L07232:27/08.72/06.72?/A 0173O121_9/11301̀ 29316.7232327.ab̀ .18351@8.72C1321 00:3027D702931_218cdefg?/13233182?/1276.72/87127.013 29.73CahiabD CDL18/812931ah6.721.18̂1027070ab@617j8173:.;73 8.723232712931/8.72klm n CDL23?/6.723232761O171131451.0316/2o02931 18/8112370C<Dp8.7272̂1323318027/012931HqrsPL18/812931 6.7218̂10P031891303923_173:PM/7383O1CtuvnD w xy tuz x n 11v{t JL23132M1031?/M12731/233023218C3=vD/0117.;/81011k/Q371 1/0723184_2371C|}irD |CvDG ~ rI rv€I |}Ivr/vi€ ‚3721<13=23137/14510?/12931a.718?/a|} C1Dƒ:11?/1451Ê„3293222770217M93514/1 8/45913 C<D/135112345272?/16/245121:17361O0vGrvG€… CDƒ=37/01<1<38312512/812271117.;/812327:1827vG€ vG€†‡@2‡ir…ˆ/73_?//171 CDƒ0/0103129317718117.;/81@..;:82271‰Š#$‰Š -:18A 72271327:18orI|}p…ˆ/73_?//171 CD‹70321/7:18293121432_237@/Q1@|}Œ trL23/03701601Ž.1708183O132227L11.17070 ?/1771?/M1273.;:330371702931r@9/273 H estados são degencrados com energia 2e e o quarto e último estado tem energia 3€ (E > 0). O sistema encontra-se em equilíbrio à temperatura T. (a) Calcule a energia livre de Helmholtz do sistema. (b) Calcule a energia interna por partícula do sistema. (c) Calcule a entropia do sistema. (d) Obtenha a entropia por partícula do sistema nos limites T > 0eT > oo. Interprete fisicamente os resultados.