{"id":4682,"date":"2019-08-05T01:44:48","date_gmt":"2019-08-05T01:44:48","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=4682"},"modified":"2024-07-11T11:56:47","modified_gmt":"2024-07-11T11:56:47","slug":"udesc-2019","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2019\/udesc-2019\/","title":{"rendered":"UDESC – 2019"},"content":{"rendered":"

UDESC- 2019<\/b><\/span><\/span><\/span><\/p>\n

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A\u00a0Universidade do Estado de Santa Catarina\u00a0(UDESC), criada em 1965, tem sua sede em Florian\u00f3polis, capital do Estado de Santa Catarina. Institui\u00e7\u00e3o P\u00fablica, oferece ensino gratuito e destaca-se como uma das melhores universidades estaduais do pa\u00eds. Sua miss\u00e3o \u00e9 comprometer a gest\u00e3o do conhecimento com o momento e o futuro de Santa Catarina.<\/b><\/span><\/span><\/span><\/p>\n

Ranking\u00a0Webometrics: A Universidade do Estado de Santa Catarina (Udesc) se mant\u00e9m como uma das melhores no Brasil, com a\u00a026\u00aa coloca\u00e7\u00e3o\u00a0\u2013 ao todo, foram analisadas 1.676 institui\u00e7\u00f5es do Pa\u00eds.
\nA universidade ocupa a\u00a045\u00aa posi\u00e7\u00e3o\u00a0no\u00a0<\/b><\/span><\/span><\/span>ranking<\/b><\/i><\/span><\/span><\/span>\u00a0da Am\u00e9rica Latina, com 3.797 institui\u00e7\u00f5es, e a\u00a0877\u00aa coloca\u00e7\u00e3o\u00a0na lista mundial, composta por 21.250 entidades de 226 pa\u00edses.<\/b><\/span><\/span><\/span><\/p>\n

S\u00e3o oferecidas 1.222 vagas em 46 cursos de gradua\u00e7\u00e3o. As oportunidades s\u00e3o para 11 centros distribu\u00eddos nas cidades de Balne\u00e1rio Cambori\u00fa, Chapec\u00f3, Florian\u00f3polis, Ibirama, Joinville, Lages, Laguna, Pinhalzinho e S\u00e3o Bento do Sul.<\/b><\/span><\/span><\/span><\/p>\n

A\u00a0Udesc\u00a0conta com o programa de a\u00e7\u00f5es afirmativas. S\u00e3o 30% de vagas reservadas em cada curso, e distribu\u00eddas\u00a0da seguinte forma:<\/b><\/span><\/span><\/span><\/p>\n

20% para candidatos que tenham cursado integralmente o ensino fundamental e\u00a0m\u00e9dio em institui\u00e7\u00f5es p\u00fablicas de ensino;<\/b><\/span><\/span><\/span><\/p>\n

10% para candidatos negros, entendidos como pessoas que possuem fen\u00f3tipos\u00a0que os caracterizam na sociedade como pertencentes ao grupo racial negro.<\/b><\/span><\/span><\/span><\/p>\n

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01-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Uma <\/b><\/span><\/span>forma simples de medir o tempo de rea\u00e7\u00e3o de um indiv\u00edduo \u00e9 observar quanto tempo ele leva para fechar a m\u00e3o e segurar uma r\u00e9gua graduada em queda livre.<\/b><\/span><\/span> A <\/b><\/span><\/span>Figura 1 mostra duas imagens.<\/b><\/span><\/span> Uma <\/b><\/span><\/span>com a m\u00e3o aberta e uma r\u00e9gua graduada acima no momento em que ela \u00e9 solta. <\/b><\/span><\/span>A outra <\/b><\/span><\/span>imagem mostra o momento em que a r\u00e9gua \u00e9 segurada, registrando-se a dist\u00e2ncia <\/b><\/span><\/span>h <\/b><\/i><\/span><\/span>percorrida pela r\u00e9gua em queda livre. <\/b><\/span><\/span><\/p>\n

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Dois participante fizeram esse teste de rea\u00e7\u00e3o. <\/b><\/span><\/span>O <\/b><\/span><\/span>participante A registrou uma altura <\/b><\/span><\/span>h <\/b><\/i><\/span><\/span>e o <\/b><\/span><\/span>participante B registrou <\/b><\/span><\/span>h\/2<\/b><\/i><\/span><\/span>. <\/b><\/span><\/span><\/p>\n

Assinale<\/b><\/span><\/span> a <\/b><\/span><\/span>alternativa que corresponde \u00e0 raz\u00e3o entre os tempos de rea\u00e7\u00e3o t<\/b><\/span><\/span>A<\/b><\/span><\/sub><\/span>\/t<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span>.<\/b><\/span><\/span><\/p>\n

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02-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Considere <\/b><\/span><\/span>um bal\u00e3o esf\u00e9rico de raio <\/b><\/span><\/span>R <\/b><\/i><\/span><\/span>cheio de ar, <\/b><\/span><\/span>com a <\/b><\/span><\/span>metade do seu volume fora e a outra metade dentro d\u2019\u00e1gua.<\/b><\/span><\/span> O <\/b><\/span><\/span>bal\u00e3o est\u00e1 amarrado por uma corda que se encontra completamente esticada, como mostra a figura. <\/b><\/span><\/span><\/p>\n

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Sabendo-se que <\/b><\/span><\/span>d<\/b><\/span><\/span>ar<\/b><\/span><\/sub><\/span> e d<\/b><\/span><\/span>\u00e1gua<\/b><\/span><\/sub><\/span> <\/b>correspondem, <\/b><\/span><\/span>respectivamente, \u00e0 densidade do ar e \u00e0 da \u00e1gua, assinale a alternativa que corresponde ao m\u00f3dulo da tens\u00e3o na corda<\/b><\/span><\/span>. <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span>..g.(2d<\/b><\/span><\/span>\u00e1gua <\/b><\/span><\/sub><\/span>\u2013 d<\/b><\/span><\/span>ar<\/b><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/p>\n

B. <\/b><\/span><\/span>..g.(2d<\/b><\/span><\/span>\u00e1gua <\/b><\/span><\/sub><\/span>\u2013 2d<\/b><\/span><\/span>ar<\/b><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/p>\n

C.<\/b><\/span><\/span> <\/b><\/span><\/span>..g.(2d<\/b><\/span><\/span>\u00e1gua <\/b><\/span><\/sub><\/span>\u2013 d<\/b><\/span><\/span>ar<\/b><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/p>\n

D. <\/b><\/span><\/span>..g.(d<\/b><\/span><\/span>ar <\/b><\/span><\/sub><\/span>\u2013 d<\/b><\/span><\/span>\u00e1gua<\/b><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/p>\n

E. <\/b><\/span><\/span>..g.(d<\/b><\/span><\/span>\u00e1gua <\/b><\/span><\/sub><\/span>\u2013 2d<\/b><\/span><\/span>ar<\/b><\/span><\/sub><\/span>)<\/b><\/span><\/span><\/p>\n

03-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Considere <\/b><\/span><\/span>dois patinadores que patinam juntos com a mesma velocidade <\/b><\/span><\/span>v<\/b><\/i><\/span><\/span>.<\/b><\/span><\/span> O <\/b><\/span><\/span>patinador A tem massa <\/b><\/span><\/span>m <\/b><\/i><\/span><\/span>e o patinador B tem massa <\/b><\/span><\/span>2m<\/b><\/i><\/span><\/span>. <\/b><\/span><\/span><\/p>\n

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Em um <\/b><\/span><\/span>dado momento o patinador A empurra o B <\/b><\/span><\/span>e, <\/b><\/span><\/span>imediatamente, a velocidade do A vai a zero. <\/b><\/span><\/span><\/p>\n

Desconsidere quaisquer for\u00e7as de atrito<\/b><\/span><\/span>, e assinale a <\/b><\/span><\/span>alternativa que corresponde ao percentual de varia\u00e7\u00e3o da velocidade do patinador B, ap\u00f3s o empurr\u00e3o. <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span>( ) 25% <\/b><\/span><\/span>B. <\/b><\/span><\/span>( ) -50% <\/b><\/span><\/span>C. <\/b><\/span><\/span>( ) -25% <\/b><\/span><\/span>D. <\/b><\/span><\/span>( ) 50% <\/b><\/span><\/span>E. <\/b><\/span><\/span>( ) -33% <\/b><\/span><\/span><\/p>\n

04-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Considere um <\/span><\/span>recipiente de volume v cujo coeficiente de dilata\u00e7\u00e3o volum\u00e9trica \u00e9 <\/span><\/span>R<\/span><\/sub><\/span>. <\/span><\/span>Um <\/span><\/span>l\u00edquido de coeficiente de dilata\u00e7\u00e3o volum\u00e9trica <\/span><\/span>l<\/span><\/span><\/sub><\/span> \u00e9 colocado no recipiente at\u00e9 ench\u00ea-lo completamente.<\/span><\/span> Ap\u00f3s<\/span><\/span><\/h1>\n

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uma varia\u00e7\u00e3o de temperatura t, o recipiente e o l\u00edquido t\u00eam seus volumes dilatados, e transborda um volume de l\u00edquido. <\/b><\/span><\/span><\/p>\n

Assinale a alternativa que corresponde ao valor (<\/b><\/span><\/span>l <\/b><\/span><\/span><\/span> <\/b>– <\/b><\/span><\/span>R<\/b><\/span><\/sub><\/span> ).t.<\/b><\/span><\/span><\/p>\n

A. ( ) 0,2 B. ( ) 10 C. ( ) 5 D. ( ) 0,1 E. ( ) 2 <\/b><\/span><\/span><\/p>\n

05-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Considere que o <\/b><\/span><\/span>valor m\u00e9dio do kWh \u00e9 de R$ 0,50. <\/b><\/span><\/span>Um <\/b><\/span><\/span>chuveiro el\u00e9trico tem uma pot\u00eancia de 7000 <\/b><\/span><\/span><\/p>\n

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W e uma l\u00e2mpada tem uma pot\u00eancia de 100 W. <\/b><\/span><\/span><\/p>\n

Assinale a <\/b><\/span><\/span>alternativa que corresponde, respectivamente, ao valor do consumo de energia, em 30 dias, de uma pessoa que fica em m\u00e9dia 20 minutos tomando banho diariamente, e ao valor do consumo de uma l\u00e2mpada o dia inteiro ligada. <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span>( ) R$ 35,00 e R$ 36,00 <\/b><\/span><\/span><\/p>\n

B. <\/b><\/span><\/span>( ) R$ 14,00 e R$ 14,40 <\/b><\/span><\/span><\/p>\n

C. <\/b><\/span><\/span>( ) R$ 35,00 e R$ 14,00 <\/b><\/span><\/span><\/p>\n

D. <\/b><\/span><\/span>( ) R$ 14,00 e R$ 36,00 <\/b><\/span><\/span><\/p>\n

E. <\/b><\/span><\/span>( ) R$ 35,00 e R$ 14,40 <\/b><\/span><\/span><\/p>\n

06-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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A <\/b><\/span><\/span>figura mostra um circuito colocado acima de um \u00edm\u00e3<\/b><\/span><\/span>, cujo <\/b><\/span><\/span>campo magn\u00e9tico \u00e9 restringido pela \u00e1rea cinza,<\/b><\/span><\/span> e as <\/b><\/span><\/span>linhas de campo magn\u00e9tico s\u00e3o perpendiculares em rela\u00e7\u00e3o ao plano do circuito. <\/b><\/span><\/span><\/p>\n

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Analise as proposi\u00e7\u00f5es em rela\u00e7\u00e3o \u00e0 figura<\/b><\/span><\/span>. <\/b><\/span><\/span><\/p>\n

I.<\/b><\/span><\/span> <\/b>Ao <\/b><\/span><\/span>deslocarmos o circuito e o \u00edm\u00e3 juntos em sentidos contr\u00e1rios, <\/b><\/span><\/span>ao <\/b><\/span><\/span>longo da dire\u00e7\u00e3o y, surge corrente no circuito. <\/b><\/span><\/span><\/p>\n

II.<\/b><\/span><\/span> <\/b>Ao <\/b><\/span><\/span>deslocarmos somente o \u00edm\u00e3, ao longo da dire\u00e7\u00e3o x, observa-se corrente no circuito. <\/b><\/span><\/span><\/p>\n

III.<\/b><\/span><\/span> <\/b>Se o <\/b><\/span><\/span>campo magn\u00e9tico variar no tempo, surge corrente no circuito. <\/b><\/span><\/span><\/p>\n

IV.<\/b><\/span><\/span> <\/b>Ao <\/b><\/span><\/span>deslocar-se o circuito e o \u00edm\u00e3 juntos no mesmo sentido e na mesma velocidade, ao longo da dire\u00e7\u00e3o y, observa-se corrente no circuito. <\/b><\/span><\/span><\/p>\n

V.<\/b><\/span><\/span> <\/b>Ao <\/b><\/span><\/span>deslocar-se o circuito e o \u00edm\u00e3 juntos no mesmo sentido e na mesma velocidade, ao longo da dire\u00e7\u00e3o x, surge corrente no circuito. <\/b><\/span><\/span><\/p>\n

Assinale a <\/b><\/span><\/span>alternativa <\/b><\/span><\/span>correta<\/b><\/span><\/span>. <\/b><\/span><\/span><\/p>\n

A.<\/b><\/span><\/span> <\/b>( ) Somente as afirmativas I, II e IV s\u00e3o verdadeiras. <\/b><\/span><\/span><\/p>\n

B.<\/b><\/span><\/span> <\/b>( ) Somente as afirmativas I, III e V s\u00e3o verdadeiras. <\/b><\/span><\/span><\/p>\n

C.<\/b><\/span><\/span> <\/b>( ) Somente as afirmativas I, II e III s\u00e3o verdadeiras. <\/b><\/span><\/span><\/p>\n

D.<\/b><\/span><\/span> <\/b>( ) Somente as afirmativas II, IV e V s\u00e3o verdadeiras. <\/b><\/span><\/span><\/p>\n

E.<\/b><\/span><\/span> <\/b>( ) Somente as afirmativas III, IV e V s\u00e3o verdadeiras. <\/b><\/span><\/span><\/p>\n

07-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Um <\/b><\/span><\/span>resistor com resist\u00eancia de 10 \u2126 <\/b><\/span><\/span>\u00e9 ligado em <\/b><\/span><\/span>paralelo com um resistor de resist\u00eancia de 40 \u2126. <\/b><\/span><\/span>Uma <\/b><\/span><\/span>fonte de tens\u00e3o de 12 V \u00e9 aplicada \u00e0 associa\u00e7\u00e3o. <\/b><\/span><\/span><\/p>\n

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Assinale a alternativa que corresponde \u00e0 corrente el\u00e9trica total no circuito e \u00e0 pot\u00eancia dissipada no resistor de 40 \u2126 ,<\/b><\/span><\/span> respectivamente. <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span>( ) 3,6A e 1,5W <\/b><\/span><\/span>B. <\/b><\/span><\/span>( ) 0,24A e 2,3W <\/b><\/span><\/span>C. <\/b><\/span><\/span>( ) 1,5A e 3,6W <\/b><\/span><\/span>D. <\/b><\/span><\/span>( ) 0,3A e 3,6W <\/b><\/span><\/span>E. <\/b><\/span><\/span>( ) 1,5A e 2,3W<\/b><\/span><\/span><\/p>\n

08-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Dois moles de g\u00e1s ideal s\u00e3o comprimidos isotermicamente,<\/b><\/span><\/span> \u00e0 <\/b><\/span><\/span>temperatura ambiente de 25\u00baC, <\/b><\/span><\/span>at\u00e9 que <\/b><\/span><\/span>o volume deste g\u00e1s se reduza \u00e0 metade. <\/b><\/span><\/span><\/p>\n

Assinale a alternativa que melhor representa a raz\u00e3o entre as press\u00f5es inicial e final <\/b><\/span><\/span>do g\u00e1s. <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span>( ) 2 <\/b><\/span><\/span>B. <\/b><\/span><\/span>( ) 4 <\/b><\/span><\/span>C. <\/b><\/span><\/span>( ) 1\/4 <\/b><\/span><\/span>D. <\/b><\/span><\/span>( ) 1 <\/b><\/span><\/span>E. <\/b><\/span><\/span>( ) \u00bd<\/b><\/span><\/span><\/p>\n

09-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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A <\/b><\/span><\/span>dist\u00e2ncia que um objeto deve ser colocado de um espelho c\u00f4ncavo com raio de curvatura de 50cm<\/b><\/span><\/span><\/p>\n

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para que a imagem desse objeto tenha a mesma orienta\u00e7\u00e3o<\/b><\/span><\/span> e <\/b><\/span><\/span>me\u00e7a 4\/3 do tamanho do objeto \u00e9: <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span>( ) 87,5 cm <\/b><\/span><\/span><\/p>\n

B. <\/b><\/span><\/span>( ) 6,25 cm <\/b><\/span><\/span><\/p>\n

C. <\/b><\/span><\/span>( ) 43,75 cm <\/b><\/span><\/span><\/p>\n

D. <\/b><\/span><\/span>( ) 12,5cm <\/b><\/span><\/span><\/p>\n

E. <\/b><\/span><\/span>( ) 116,66 cm <\/b><\/span><\/span><\/p>\n

10-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Em 1900 <\/b><\/span><\/span>Max Planck prop\u00f4s a quantiza\u00e7\u00e3o da energia <\/b><\/span><\/span>para explicar a <\/b><\/span><\/span>radia\u00e7\u00e3o de corpo negro<\/b><\/span><\/span>. <\/b><\/span><\/span><\/p>\n

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O <\/b><\/span><\/span>postulado de Planck prop\u00f5e que a energia seja dada por E = n.h.f <\/b><\/span><\/span> sendo <\/b><\/span><\/span>E <\/b><\/span><\/span>a <\/b><\/span><\/span>energia,<\/b><\/span><\/span> <\/b>n<\/b><\/span><\/span> um <\/b><\/span><\/span>n\u00famero inteiro ,f<\/b><\/span><\/span> a <\/b><\/span><\/span>frequ\u00eancia<\/b><\/span><\/span> e <\/b><\/span><\/span>h<\/b><\/span><\/span> uma <\/b><\/span><\/span>constante que, posteriormente, ficou conhecida como constante de Planck.<\/b><\/span><\/span> <\/b><\/p>\n

Assinale a <\/b><\/span><\/span>alternativa que corresponde \u00e0 unidade de medida de no sistema internacional de unidades<\/b><\/span><\/span>. <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span><\/span>( ) Kg.m<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span>\/s <\/b><\/span><\/span><\/span>B.<\/b><\/span><\/span><\/span> ( ) Kg.m\/s <\/b><\/span><\/span><\/span>C. <\/b><\/span><\/span><\/span>( ) Kg.m<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span>\/s<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span> <\/b>D. <\/b><\/span><\/span><\/span>( ) Kg.m\/s <\/b><\/span><\/span><\/span>E. <\/b><\/span><\/span>( ) Kg.m\/s<\/b><\/span><\/span>2<\/b><\/span><\/sup><\/span> <\/b><\/p>\n

11-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Um <\/b><\/span><\/span>copo contendo 200ml de \u00e1gua foi colocado no refrigerador at\u00e9 que a temperatura atingisse 5\u00baC negativos. <\/b><\/span><\/span><\/p>\n

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O copo foi, ent\u00e3o, retirado do refrigerador <\/b><\/span><\/span>e <\/b><\/span><\/span>colocado sobre uma mesa, em uma cozinha cuja temperatura ambiente estava 10\u00baC.<\/b><\/span><\/span> <\/b><\/p>\n

Assinale a <\/b><\/span><\/span>alternativa que corresponde ao calor total recebido pela \u00e1gua at\u00e9 atingir o equil\u00edbrio t\u00e9rmico. <\/b><\/span><\/span><\/p>\n

A. <\/b><\/span><\/span><\/span>( ) 1,5kcal <\/b><\/span><\/span><\/span>B. <\/b><\/span><\/span><\/span>( ) 16,5kcal <\/b><\/span><\/span><\/span>C. <\/b><\/span><\/span><\/span>( ) 18,5kcal <\/b><\/span><\/span><\/span>D. <\/b><\/span><\/span>( ) 19,5kcal <\/b><\/span><\/span> <\/b>E. <\/b><\/span><\/span>( ) 4,1kcal <\/b><\/span><\/span><\/p>\n

12-(UDESC-SC-019)<\/b><\/span><\/span><\/span><\/p>\n

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Um tanque <\/b><\/span><\/span>com 50 cm de profundidade<\/b><\/span><\/span> cont\u00e9m <\/b><\/span><\/span>\u00e1gua com densidade de 1000 kg\/m<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span>. Uma <\/b><\/span><\/span>pequena esfera, com 2,0 cm de raio, <\/b><\/span><\/span>feita de <\/b><\/span><\/span>material com densidade de 920 kg\/m<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span>, \u00e9 colocada no fundo do tanque e liberada do repouso. <\/b><\/span><\/span><\/p>\n

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Desconsidere a resist\u00eancia da \u00e1gua ao movimento da esfera. <\/b><\/span><\/span><\/p>\n

Assinale a alternativa que corresponde ao valor do tempo de subida. <\/b><\/span><\/span><\/p>\n

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Resolu\u00e7\u00e3o comentada das quest\u00f5es de F\u00edsica da Universidade do Estado de Santa Catarina (UDESC \u2013 2019)<\/span><\/span><\/span><\/p>\n

01-<\/span><\/span><\/span><\/p>\n

Corpo abandonado de certa altura h do solo<\/b><\/span><\/span><\/p>\n

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R- B<\/b><\/span><\/span><\/span><\/p>\n

02-<\/span><\/span><\/span><\/p>\n

Resumo te\u00f3rico<\/span><\/span><\/span><\/p>\n

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Colocando as for\u00e7as que agem sobre o bal\u00e3o:<\/b><\/span><\/span><\/p>\n

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R- E<\/b><\/span><\/span><\/span><\/p>\n

03-<\/span><\/span><\/span><\/p>\n

Quantidade de movimento do sistema antes do empurr\u00e3o:<\/b><\/span><\/span><\/p>\n

Q<\/b><\/span><\/span>sa<\/b><\/span><\/sub><\/span> = m<\/b><\/span><\/span>A<\/b><\/span><\/sub><\/span>.V<\/b><\/span><\/span>A<\/b><\/span><\/sub><\/span> + m<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span>.V<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span> = mv + 2mv <\/b><\/span><\/span>Q<\/b><\/span><\/span>sa<\/b><\/span><\/sub><\/span> = 3mv<\/b><\/span><\/span><\/p>\n

<\/p>\n

Quantidade de movimento do sistema depois do empurr\u00e3o:<\/b><\/span><\/span><\/p>\n

Q<\/b><\/span><\/span>sd<\/b><\/span><\/sub><\/span> = m<\/b><\/span><\/span>A<\/b><\/span><\/sub><\/span>.V<\/b><\/span><\/span>A<\/b><\/span><\/sub><\/span> + m<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span>.V<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span> <\/b>= m.0 + 2mV<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span> Q<\/b><\/span><\/span>sd<\/b><\/span><\/sub><\/span> = 2mV<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span><\/p>\n

Pelo princ\u00edpio da conserva\u00e7\u00e3o da quantidade de movimento<\/b><\/span><\/span> <\/b><\/span><\/span>Q<\/b><\/span><\/span>sa<\/b><\/span><\/sub><\/span> = Q<\/b><\/span><\/span>sd<\/b><\/span><\/sub><\/span> <\/b><\/span><\/span>3mv = 2mV<\/b><\/span><\/span>B <\/b><\/span><\/sub><\/span><\/p>\n

V<\/b><\/span><\/span>B<\/b><\/span><\/sub><\/span> = 1,5v.<\/b><\/span><\/span><\/p>\n

A <\/b><\/span><\/span>velocidade de B variou de v para 1,5v, ou seja, de 50%.<\/b><\/span><\/span><\/p>\n

R- D<\/b><\/span><\/span><\/span><\/p>\n

04-<\/b><\/span><\/span><\/span><\/p>\n

Dilata\u00e7\u00e3o dos l\u00edquidos<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

<\/p>\n

R- D<\/b><\/span><\/span><\/span><\/p>\n

05-<\/b><\/span><\/span><\/span><\/p>\n

Chuveiro t <\/b><\/span><\/span>= 30 diasx20\/60h <\/b><\/span><\/span>= 10 h P<\/b><\/span><\/span> = 7000 W <\/b><\/span><\/span>= 7 kW <\/b><\/span><\/span> <\/b>energia W = P.<\/b><\/span><\/span>t <\/b><\/span><\/span>= 7.10 <\/b><\/span><\/span><\/p>\n

W = 70 kWh pre\u00e7o <\/b><\/span><\/span> C$ = 70×0,5 <\/b><\/span><\/span>C$ = 35,00<\/b><\/span><\/span><\/p>\n

L\u00e2mpada t =<\/b><\/span><\/span> 24×30 <\/b><\/span><\/span>= 720 h P =<\/b><\/span><\/span> 100 W <\/b><\/span><\/span>= 0,1 kW<\/b><\/span><\/span> <\/b><\/span><\/span> energia W = P.<\/b><\/span><\/span>t <\/b><\/span><\/span>= 0,1.720 <\/b><\/span><\/span><\/p>\n

W = 72 kWh pre\u00e7o <\/b><\/span><\/span> C$ = 72×0,5 <\/b><\/span><\/span>C$ = 36,00<\/b><\/span><\/span><\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

06-<\/b><\/span><\/span><\/span><\/p>\n

For\u00e7a eletromotriz induzida pelo movimento<\/b><\/span><\/span><\/p>\n

For\u00e7a eletromotriz gerada por um condutor m\u00f3vel num campo el\u00e9trico uniforme<\/b><\/span><\/span><\/p>\n

For\u00e7a eletromotriz\u00a0\u03b5<\/b><\/span><\/span>\u00a0<\/b><\/span><\/span>gerada por um\u00a0<\/b><\/span><\/span>condutor m\u00f3vel imerso num campo el\u00e9trico uniforme\u00a0\u00a0<\/b><\/span><\/span>\u00a0 esse\u00a0<\/b><\/span><\/span>condutor tem o comportamento de um gerador mec\u00e2nico de eletricidade de fem\u00a0\u03b5.<\/b><\/span><\/span><\/p>\n

<\/p>\n

<\/p>\n

O sentido da corrente el\u00e9trica induzida<\/b><\/span><\/span>\u00a0\u00e9 fornecido pela\u00a0<\/b><\/span><\/span>lei de Lenz\u00a0\u201ca for\u00e7a eletromotriz induzida e a corrente induzida geram um fluxo magn\u00e9tico que se op\u00f5e \u00e0 varia\u00e7\u00e3o do fluxo causador da indu\u00e7\u00e3o\u201d<\/b><\/span><\/span>.<\/b><\/span><\/span><\/p>\n

I. Verdadeira –<\/b><\/span><\/span> <\/b>Ao <\/b><\/span><\/span>deslocarmos o circuito e o \u00edm\u00e3 juntos em sentidos contr\u00e1rios,<\/b><\/span><\/span> ao <\/b><\/span><\/span>longo da dire\u00e7\u00e3o y surge corrente no circ<\/b><\/span><\/span>uito porque est\u00e1 <\/b><\/span><\/span>ocorrendo a varia\u00e7\u00e3o (no caso diminui\u00e7\u00e3o) da \u00e1rea da espira. <\/b><\/span><\/span><\/p>\n

II. Verdadeira \u2013<\/b><\/span><\/span> est\u00e1 tamb\u00e9m variando a \u00e1rea da espira.<\/b><\/span><\/span><\/p>\n

III. Verdadeira \u2013<\/b><\/span><\/span> veja teoria acima.<\/b><\/span><\/span><\/p>\n

IV. Falsa \u2013<\/b><\/span><\/span> n\u00e3o ocorre varia\u00e7\u00e3o da \u00e1rea.<\/b><\/span><\/span><\/p>\n

V. Fasa \u2013<\/b><\/span><\/span> veja IV.<\/b><\/span><\/span><\/p>\n

R- C<\/b><\/span><\/span><\/span><\/p>\n

07-<\/b><\/span><\/span><\/span><\/p>\n

Na <\/b><\/span><\/span>associa\u00e7\u00e3o paralelo a resist\u00eancia do resistor equivalente pode ser calculada por R<\/b><\/span><\/span>eq<\/b><\/span><\/sub><\/span> = produto\/soma<\/b><\/span><\/span> = (40 x 10)\/(40 + 10) = 400\/50 <\/b><\/span><\/span>R<\/b><\/span><\/span>eq<\/b><\/span><\/sub><\/span> = 8 \u2126.<\/b><\/span><\/span><\/p>\n

Na <\/b><\/span><\/span>associa\u00e7\u00e3o paralelo a tens\u00e3o U = 12 V \u00e9 a mesma para os dois resistores P<\/b><\/span><\/span>40\u2126<\/b><\/span><\/sub><\/span> = U<\/b><\/span><\/span>2<\/b><\/span><\/sup><\/span>\/R <\/b><\/span><\/span>= 12<\/b><\/span><\/span>2<\/b><\/span><\/sup><\/span>\/40 =<\/b><\/span><\/span><\/p>\n

144\/40 <\/b><\/span><\/span>P<\/b><\/span><\/span>40\u2126<\/b><\/span><\/sub><\/span> = 3,6 W R<\/b><\/span><\/span>eq<\/b><\/span><\/sub><\/span> = U\/i<\/b><\/span><\/span> 8 = 12\/i <\/b><\/span><\/span>i = 1,5 A <\/b><\/span><\/span><\/p>\n

R- C <\/b><\/span><\/span><\/span><\/p>\n

08-<\/b><\/span><\/span><\/span><\/p>\n

Transforma\u00e7\u00e3o isot\u00e9rmica<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

P<\/b><\/span><\/span>o<\/b><\/span><\/sub><\/span>.V<\/b><\/span><\/span>o<\/b><\/span><\/sub><\/span> = P.V <\/b><\/span><\/span> P<\/b><\/span><\/span>o<\/b><\/span><\/sub><\/span>.V<\/b><\/span><\/span>o<\/b><\/span><\/sub><\/span> = P.V<\/b><\/span><\/span>o<\/b><\/span><\/sub><\/span>\/2 <\/b><\/span><\/span>P<\/b><\/span><\/span>o<\/b><\/span><\/sub><\/span>\/P = 1\/2<\/b><\/span><\/span><\/p>\n

R- E<\/b><\/span><\/span><\/span><\/p>\n

09-<\/b><\/span><\/span><\/span><\/p>\n

Se voc\u00ea n\u00e3o domina a teoria veja o resumo te\u00f3rico abaixo:<\/b><\/span><\/span><\/span><\/p>\n

Estudo anal\u00edtico dos espelhos esf\u00e9ricos<\/b><\/span><\/span><\/span><\/p>\n

Equa\u00e7\u00e3o dos pontos conjugados ou equa\u00e7\u00e3o de Gauss para espelhos esf\u00e9ricos<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

Equa\u00e7\u00e3o do aumento linear transversal<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

Informa\u00e7\u00f5es importantes<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

<\/p>\n

R- B<\/b><\/span><\/span><\/span><\/p>\n

10-<\/b><\/span><\/span><\/span><\/p>\n

E = h.f <\/b><\/span><\/span> F.d = h.1\/T h = F.d.T = m.a.d.T h = kg.m\/s<\/b><\/span><\/span>2<\/b><\/span><\/sup><\/span>.m.s <\/b><\/span><\/span>h = kg.m<\/b><\/span><\/span>2<\/b><\/span><\/sup><\/span>\/s <\/b><\/span><\/span><\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

11-<\/b><\/span><\/span><\/span><\/p>\n

S\u00e3o dados: d<\/b><\/span><\/span>\u00e1gua<\/b><\/span><\/sub><\/span> =<\/b><\/span><\/span> 1000 kg\/m<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span>; <\/b><\/span><\/span>c<\/b><\/span><\/span>gelo<\/b><\/span><\/sub><\/span> =<\/b><\/span><\/span> 0,5 cal\/g<\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C; <\/b><\/span><\/span>c<\/b><\/span><\/span>\u00e1gua<\/b><\/span><\/sub><\/span> =<\/b><\/span><\/span> 1 cal\/g<\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C; <\/b><\/span><\/span>L<\/b><\/span><\/span>fus\u00e3o<\/b><\/span><\/sub><\/span> =<\/b><\/span><\/span> 80 cal\/g.<\/b><\/span><\/span><\/p>\n

V<\/b><\/span><\/span>\u00e1gua<\/b><\/span><\/sub><\/span> = 200 ml<\/b><\/span><\/span> = 0,2l = 0,2 <\/b><\/span><\/span>dm<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span> = 0,2.10<\/b><\/span><\/span>-3<\/b><\/span><\/sup><\/span> m<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span>.<\/b><\/span><\/span><\/p>\n

d<\/b><\/span><\/span>\u00e1gua<\/b><\/span><\/sub><\/span> = m\/V 10<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span> kg\/m<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span> = m\/0,2.10<\/b><\/span><\/span>-3<\/b><\/span><\/sup><\/span> m<\/b><\/span><\/span>3<\/b><\/span><\/sup><\/span> <\/b><\/span><\/span>m<\/b><\/span><\/span> = 0,2 kg <\/b><\/span><\/span>= 200 g<\/b><\/span><\/span><\/p>\n

De gelo a \u2013 5<\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C at\u00e9 gelo a 0<\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C Q<\/b><\/span><\/span>1<\/b><\/span><\/sub><\/span> = m.c<\/b><\/span><\/span>gelo\u00ad<\/b><\/span><\/sub><\/span>.<\/b><\/span><\/span> <\/b>= 200.0,5.(0 \u2013 (-5)) <\/b><\/span><\/span>= 500 cal.<\/b><\/span><\/span><\/p>\n

De gelo a 0<\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C at\u00e9 \u00e1gua a 0<\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C<\/b><\/span><\/span> <\/b><\/span><\/span>Q<\/b><\/span><\/span>2<\/b><\/span><\/sub><\/span> = m.L<\/b><\/span><\/span>fus\u00e3o<\/b><\/span><\/sub><\/span> <\/b>= 200.80 <\/b><\/span><\/span>= 16000 cal.<\/b><\/span><\/span><\/p>\n

De \u00e1gua a 0<\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C at\u00e9 \u00e1gua a 10 <\/b><\/span><\/span>o<\/b><\/span><\/sup><\/span>C Q<\/b><\/span><\/span>3<\/b><\/span><\/sub><\/span> = m.c<\/b><\/span><\/span>\u00e1gua<\/b><\/span><\/sub><\/span>.(10 \u2013 0) <\/b><\/span><\/span>= 200.1.10 <\/b><\/span><\/span>= 2000 cal.<\/b><\/span><\/span><\/p>\n

Q<\/b><\/span><\/span>total<\/b><\/span><\/sub><\/span> = 500 + 16000 + 2000 <\/b><\/span><\/span>= 18500 cal <\/b><\/span><\/span>= 18,5 kcal.<\/b><\/span><\/span><\/p>\n

R- C<\/b><\/span><\/span><\/span><\/p>\n

12-<\/b><\/span><\/span><\/span><\/p>\n

\"UDESC\"<\/p>\n

<\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

<\/a><\/p>\n

Clique aqui para ver sobre o tema!<\/a><\/p>\n

Confira as v\u00eddeo aulas!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

UDESC- 2019 A\u00a0Universidade do Estado de Santa Catarina\u00a0(UDESC), criada em 1965, tem sua sede em Florian\u00f3polis, capital do Estado de Santa Catarina. Institui\u00e7\u00e3o P\u00fablica, oferece ensino gratuito e destaca-se como uma das melhores universidades estaduais do pa\u00eds. Sua miss\u00e3o \u00e9 comprometer a gest\u00e3o do conhecimento com o momento e o futuro de Santa Catarina. Ranking\u00a0Webometrics: A Universidade do Estado de<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4337,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-4682","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/comments?post=4682"}],"version-history":[{"count":3,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4682\/revisions"}],"predecessor-version":[{"id":10297,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4682\/revisions\/10297"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4337"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=4682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}