{"id":669,"date":"2015-05-12T17:22:00","date_gmt":"2015-05-12T17:22:00","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=669"},"modified":"2024-09-02T17:36:16","modified_gmt":"2024-09-02T17:36:16","slug":"exercicios-resolvidos-da-udesc-2015","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2015\/exercicios-resolvidos-da-udesc-2015\/","title":{"rendered":"Exerc\u00edcios Resolvidos da UDESC 2015"},"content":{"rendered":"

\"\"<\/p>\n

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

\u00a0<\/span><\/p>\n

\"\"<\/p>\n

01-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Um <\/b><\/span><\/span><\/span>p\u00eandulo <\/b><\/span><\/span><\/span>\u00e9 formado por uma <\/b><\/span><\/span><\/span>haste r\u00edgida<\/b><\/span><\/span><\/span> inextens\u00edvel de <\/b><\/span><\/span><\/span>massa desprez\u00edvel<\/b><\/span><\/span><\/span> e em uma das extremidades h\u00e1 uma esfera s\u00f3lida de <\/b><\/span><\/span><\/span>massa m.<\/b><\/span><\/span><\/span> A outra extremidade \u00e9 fixada em um suporte horizontal. A <\/b><\/span><\/span><\/span>haste<\/b><\/span><\/span><\/span> tem <\/b><\/span><\/span><\/span>comprimento L<\/b><\/span><\/span><\/span> e a <\/b><\/span><\/span><\/span>esfera tem raio r.<\/b><\/span><\/span><\/span> O p\u00eandulo \u00e9 deslocado da sua <\/b><\/span><\/span><\/span>posi\u00e7\u00e3o de equil\u00edbrio de uma altura H<\/b><\/span><\/span><\/span> e executa um movimento <\/b><\/span><\/span><\/span>harm\u00f4nico simples<\/b><\/span><\/span><\/span> no plano, conforme mostra Figura 1. <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com rela\u00e7\u00e3o ao <\/b><\/span><\/span><\/span>movimento <\/b><\/span><\/span><\/span>desse p\u00eandulo, <\/b><\/span><\/span><\/span>analise as proposi\u00e7\u00f5es<\/b><\/span><\/span><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

I.<\/b><\/span><\/span><\/span> A energia <\/b><\/span><\/span><\/span>mec\u00e2nica<\/b><\/span><\/span><\/span> em A e B s\u00e3o <\/b><\/span><\/span><\/span>iguais.<\/b><\/span><\/span><\/span><\/p>\n

II<\/b><\/span><\/span><\/span>. A <\/b><\/span><\/span><\/span>energia cin\u00e9tica e potencial<\/b><\/span><\/span><\/span> em A e B s\u00e3o <\/b><\/span><\/span><\/span>iguais.<\/b><\/span><\/span><\/span><\/p>\n

III.<\/b><\/span><\/span><\/span> A energia <\/b><\/span><\/span><\/span>cin\u00e9tica<\/b><\/span><\/span><\/span> em A \u00e9<\/b><\/span><\/span><\/span>m\u00ednima.<\/b><\/span><\/span><\/span><\/p>\n

IV.<\/b><\/span><\/span><\/span> A energia <\/b><\/span><\/span><\/span>potencial <\/b><\/span><\/span><\/span>em B \u00e9 <\/b><\/span><\/span><\/span>m\u00e1xima.<\/b><\/span><\/span><\/span><\/p>\n

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

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

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

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

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

E.<\/b><\/span><\/span><\/span>( ) Todas as afirmativas s\u00e3o verdadeiras.<\/b><\/span><\/span><\/span><\/p>\n

02-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com rela\u00e7\u00e3o \u00e0s <\/b><\/span><\/span><\/span>colis\u00f5es el\u00e1sticas e inel\u00e1sticas, analise as proposi\u00e7\u00f5es<\/b><\/span><\/span><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

I.<\/b><\/span><\/span><\/span>Numa colis\u00e3o el\u00e1stica, o momento linear e a energia cin\u00e9tica n\u00e3o se conservam. <\/b><\/span><\/span><\/span><\/p>\n

II.<\/b><\/span><\/span><\/span>Numa colis\u00e3o inel\u00e1stica, o momento linear e a energia cin\u00e9tica n\u00e3o se conservam. <\/b><\/span><\/span><\/span><\/p>\n

III.<\/b><\/span><\/span><\/span>O momento linear se conserva tanto na colis\u00e3o el\u00e1stica quanto na colis\u00e3o inel\u00e1stica. <\/b><\/span><\/span><\/span><\/p>\n

IV.<\/b><\/span><\/span><\/span>A energia cin\u00e9tica se conserva tanto na colis\u00e3o el\u00e1stica quanto na colis\u00e3o inel\u00e1stica. <\/b><\/span><\/span><\/span><\/p>\n

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

A.<\/b><\/span><\/span><\/span>( ) Somente a afirmativa III \u00e9 verdadeira. <\/b><\/span><\/span><\/span><\/p>\n

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

C.<\/b><\/span><\/span><\/span>( ) Somente a afirmativa IV \u00e9 verdadeira. <\/b><\/span><\/span><\/span><\/p>\n

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

E.<\/b><\/span><\/span><\/span>( ) Todas as afirmativas s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

03-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Um <\/b><\/span><\/span><\/span>carro de bombeiros<\/b><\/span><\/span><\/span> transita a <\/b><\/span><\/span><\/span>90 km\/h<\/b><\/span><\/span><\/span>, com a sirene ligada, em uma rua reta e plana. A sirene <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

emite um <\/b><\/span><\/span><\/span>som de 630 Hz.<\/b><\/span><\/span><\/span> Uma <\/b><\/span><\/span><\/span>pessoa parada<\/b><\/span><\/span><\/span> na cal\u00e7ada da rua, esperando para atravessar pela faixa de pedestre, <\/b><\/span><\/span><\/span>escuta o som<\/b><\/span><\/span><\/span> da sirene e observa o carro de bombeiros se <\/b><\/span><\/span><\/span>aproximando<\/b><\/span><\/span><\/span>. Nesta situa\u00e7\u00e3o, a <\/b><\/span><\/span><\/span>frequ\u00eancia <\/b><\/span><\/span><\/span>do som <\/b><\/span><\/span><\/span>ouvido pela pessoa<\/b><\/span><\/span><\/span> \u00e9 igual a: (V<\/b><\/span><\/span><\/span>som<\/b><\/span><\/span><\/sub><\/span> = 340m\/s).<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

04-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com rela\u00e7\u00e3o \u00e0s <\/b><\/span><\/span><\/span>Leis de Newton<\/b><\/span><\/span><\/span>, analise as proposi\u00e7\u00f5es. <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

I.<\/b><\/span><\/span><\/span> Quando um corpo exerce for\u00e7a sobre o outro, este reage sobre o primeiro com uma for\u00e7a de mesma intensidade, mesma dire\u00e7\u00e3o e mesmo sentido. <\/b><\/span><\/span><\/span><\/p>\n

II.<\/b><\/span><\/span><\/span> A resultante das for\u00e7as que atuam em um corpo de massa <\/b><\/span><\/span><\/span>m <\/b><\/i><\/span><\/span><\/span>\u00e9 proporcional \u00e0 acelera\u00e7\u00e3o que este corpo adquire. <\/b><\/span><\/span><\/span><\/p>\n

III.<\/b><\/span><\/span><\/span> Todo corpo permanece em seu estado de repouso ou de movimento retil\u00edneo uniforme, a menos que uma for\u00e7a resultante, agindo sobre ele, altere a sua velocidade. <\/b><\/span><\/span><\/span><\/p>\n

IV.<\/b><\/span><\/span><\/span> A intensidade, a dire\u00e7\u00e3o e o sentido da for\u00e7a resultante agindo em um corpo \u00e9 igual \u00e0 intensidade, \u00e0 dire\u00e7\u00e3o e ao sentido da acelera\u00e7\u00e3o que este corpo adquire. <\/b><\/span><\/span><\/span><\/p>\n

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

A.<\/b><\/span><\/span><\/span>( ) Se as afirmativas III e IV s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

B<\/b><\/span><\/span><\/span>. ( ) Se as afirmativas I e IV s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

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

D.<\/b><\/span><\/span><\/span> ( ) Se as afirmativas II e III s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

E.<\/b><\/span><\/span><\/span>( ) todas as afirmativas s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

05-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com rela\u00e7\u00e3o aos <\/b><\/span><\/span><\/span>fen\u00f4menos da reflex\u00e3o e da refra\u00e7\u00e3o da luz branca<\/b><\/span><\/span><\/span>, <\/b><\/span><\/span><\/span>analise<\/b><\/span><\/span><\/span> as proposi\u00e7\u00f5es. <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

    \n
  1. A <\/b><\/span><\/span><\/span>transpar\u00eancia<\/b><\/span><\/span><\/span> dos vidros \u00e9 explicada pelos fen\u00f4menos de <\/b><\/span><\/span><\/span>refra\u00e7\u00e3o e reflex\u00e3o.<\/b><\/span><\/span><\/span><\/li>\n<\/ol>\n

    II.<\/b><\/span><\/span><\/span> A <\/b><\/span><\/span><\/span>dispers\u00e3o da luz branca<\/b><\/span><\/span><\/span> em um <\/b><\/span><\/span><\/span>prisma de vidro<\/b><\/span><\/span><\/span> \u00e9 devida \u00e0 <\/b><\/span><\/span><\/span>reflex\u00e3o<\/b><\/span><\/span><\/span> na <\/b><\/span><\/span><\/span>face de incid\u00eancia do prisma. <\/b><\/span><\/span><\/span><\/p>\n

    III.<\/b><\/span><\/span><\/span> A<\/b><\/span><\/span><\/span>luz branca dispersa<\/b><\/span><\/span><\/span> em um prisma \u00e9 <\/b><\/span><\/span><\/span>composta somente pelas cores prim\u00e1rias vermelho, verde e azul. <\/b><\/span><\/span><\/span><\/p>\n

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

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

    B<\/b><\/span><\/span><\/span>. ( ) Somente a afirmativa I \u00e9 verdadeira. <\/b><\/span><\/span><\/span><\/p>\n

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

    D<\/b><\/span><\/span><\/span>. ( ) Somente a afirmativa III \u00e9 verdadeira. <\/b><\/span><\/span><\/span><\/p>\n

    E.<\/b><\/span><\/span><\/span>( ) Todas as afirmativas s\u00e3o verdadeiras.<\/b><\/span><\/span><\/span><\/p>\n

    06-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    A proposi\u00e7\u00e3o e a consolida\u00e7\u00e3o da <\/b><\/span><\/span><\/span>Teoria da Relatividade e da Mec\u00e2nica Qu\u00e2ntica<\/b><\/span><\/span><\/span>, componentes te\u00f3ricos do que se caracteriza atualmente como <\/b><\/span><\/span><\/span>F\u00edsica Moderna<\/b><\/span><\/span><\/span>, romperam com v\u00e1rios paradigmas da F\u00edsica Cl\u00e1ssica. Baseando-se especificamente em uma das <\/b><\/span><\/span><\/span>teorias da F\u00edsica Moderna, a Relatividade Restrita, analise as proposi\u00e7\u00f5es. <\/b><\/span><\/span><\/span><\/p>\n

    I.<\/b><\/span><\/span><\/span> A <\/b><\/span><\/span><\/span>massa<\/b><\/span><\/span><\/span> de um corpo varia com a velocidade e tender\u00e1 ao <\/b><\/span><\/span><\/span>infinito<\/b><\/span><\/span><\/span> quando a sua velocidade <\/b><\/span><\/span><\/span>se aproximar da velocidade da luz no v\u00e1cuo. <\/b><\/span><\/span><\/span><\/p>\n

    II.<\/b><\/span><\/span><\/span> A teoria da Relatividade Restrita \u00e9 complexa e abrangente, pois, descreve tanto <\/b><\/span><\/span><\/span>movimentos retil\u00edneos e uniformes quanto movimentos acelerados. <\/b><\/span><\/span><\/span><\/p>\n

    III.<\/b><\/span><\/span><\/span> A teoria da <\/b><\/span><\/span><\/span>Relatividade Restrita<\/b><\/span><\/span><\/span> superou a vis\u00e3o cl\u00e1ssica da ocupa\u00e7\u00e3o espacial dos corpos, ao provar que dois corpos, com massa pequena e velocidade igual \u00e0 velocidade da luz no v\u00e1cuo, <\/b><\/span><\/span><\/span>podem ocupar o mesmo espa\u00e7o ao mesmo tempo.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

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

    A.<\/b><\/span><\/span><\/span> ( ) Somente a afirmativa I \u00e9 verdadeira. <\/b><\/span><\/span><\/span><\/p>\n

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

    C.<\/b><\/span><\/span><\/span> ( ) Somente a afirmativa II \u00e9 verdadeira. <\/b><\/span><\/span><\/span><\/p>\n

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

    E.<\/b><\/span><\/span><\/span> ( ) Todas as afirmativas s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

    07-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    Um <\/b><\/span><\/span><\/span>g\u00e1s ideal<\/b><\/span><\/span><\/span> \u00e9 submetido a uma transforma\u00e7\u00e3o <\/b><\/span><\/span><\/span>isot\u00e9rmica,<\/b><\/span><\/span><\/span> conforme descrito no diagrama. <\/b><\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    Os <\/b><\/span><\/span><\/span>valores<\/b><\/span><\/span><\/span> da <\/b><\/span><\/span><\/span>press\u00e3o P<\/b><\/span><\/span><\/span>x<\/b><\/span><\/span><\/sub><\/span> e do <\/b><\/span><\/span><\/span>volume V<\/b><\/span><\/span><\/span>y<\/b><\/span><\/span><\/sub><\/span> indicados no diagrama <\/b><\/span><\/span><\/span>s\u00e3o, respectivamente<\/b><\/span><\/span><\/span>, iguais a: <\/b><\/span><\/span><\/span><\/p>\n

    A.<\/b><\/span><\/span><\/span> ( ) 4,0 atm e 6,0 L <\/b><\/span><\/span><\/span><\/p>\n

    B.<\/b><\/span><\/span><\/span> ( ) 0,4 atm e 4,0 L <\/b><\/span><\/span><\/span><\/p>\n

    C.<\/b><\/span><\/span><\/span> ( ) 0,6 atm e 3,0 L <\/b><\/span><\/span><\/span><\/p>\n

    D.<\/b><\/span><\/span><\/span> ( ) 2,0 atm e 6,0 L <\/b><\/span><\/span><\/span><\/p>\n

    E.<\/b><\/span><\/span><\/span> ( ) 0,2 atm e 4,0 L <\/b><\/span><\/span><\/span><\/p>\n

    08-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    Ao longo de um <\/b><\/span><\/span><\/span>processo de aproxima\u00e7\u00e3o de duas part\u00edculas de mesma carga el\u00e9trica<\/b><\/span><\/span><\/span>, <\/b><\/span><\/span><\/span>a energia<\/b><\/span><\/span><\/span> <\/b><\/p>\n

    \"\"<\/p>\n

    potencial el\u00e9trica do sistema: <\/b><\/span><\/span><\/span><\/p>\n

    A.<\/b><\/span><\/span><\/span> ( ) diminui. <\/b><\/span><\/span><\/span><\/p>\n

    B.<\/b><\/span><\/span><\/span> ( ) aumenta<\/b><\/span><\/span><\/span><\/p>\n

    C.<\/b><\/span><\/span><\/span> ( ) aumenta inicialmente e, em seguida, diminui. <\/b><\/span><\/span><\/span><\/p>\n

    D.<\/b><\/span><\/span><\/span> ( ) permanece constante. <\/b><\/span><\/span><\/span><\/p>\n

    E.<\/b><\/span><\/span><\/span> ( ) diminui inicialmente e, em seguida, aumenta.<\/b><\/span><\/span><\/span><\/p>\n

    09-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    Considere um <\/b><\/span><\/span><\/span>longo solen\u00f3ide ideal composto por 10.000 espiras por metro<\/b><\/span><\/span><\/span>, percorrido por uma <\/b><\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    corrente <\/b><\/span><\/span><\/span>cont\u00ednua de <\/b><\/span><\/span><\/span>0,2 A.<\/b><\/span><\/span><\/span> O <\/b><\/span><\/span><\/span>m\u00f3dulo e as linhas de campo magn\u00e9tico no interior do solenoide ideal s\u00e3o, respectivamente: (\u03bc = 4\u03c0.10<\/b><\/span><\/span><\/span>-7<\/b><\/span><\/span><\/sup><\/span> Tm\/A).<\/b><\/span><\/span><\/span><\/p>\n

    A.<\/b><\/span><\/span><\/span> ( ) nulo, inexistentes. <\/b><\/span><\/span><\/span><\/p>\n

    B.<\/b><\/span><\/span><\/span> ( ) B = 8\u03c0.10<\/b><\/span><\/span><\/span>-4<\/b><\/span><\/span><\/sup><\/span> T, circunfer\u00eancias conc\u00eantricas. <\/b><\/span><\/span><\/span><\/p>\n

    C.<\/b><\/span><\/span><\/span> ( ) B = 4\u03c0.10<\/b><\/span><\/span><\/span>-4<\/b><\/span><\/span><\/sup><\/span> T, h\u00e9lices cil\u00edndricas. <\/b><\/span><\/span><\/span><\/p>\n

    D.<\/b><\/span><\/span><\/span> ( ) B = 8\u03c0.10<\/b><\/span><\/span><\/span>-4<\/b><\/span><\/span><\/sup><\/span> T, radiais com origem no eixo do solenoide. <\/b><\/span><\/span><\/span><\/p>\n

    E.<\/b><\/span><\/span><\/span> ( ) B = 8\u03c0.10<\/b><\/span><\/span><\/span>-4<\/b><\/span><\/span><\/sup><\/span> T, retas paralelas ao eixo do solenoide. <\/b><\/span><\/span><\/span><\/p>\n

    10-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    Com rela\u00e7\u00e3o ao <\/b><\/span><\/span><\/span>fornecimento de energia el\u00e9trica residencial<\/b><\/span><\/span><\/span>, analise as proposi\u00e7\u00f5es. <\/b><\/span><\/span><\/span><\/p>\n

    I.<\/b><\/span><\/span><\/span> As l\u00e2mpadas incandescentes apresentam um brilho constante porque a <\/b><\/span><\/span><\/span>corrente el\u00e9trica<\/b><\/span><\/span><\/span> que<\/b><\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    chega \u00e0s resid\u00eancias \u00e9 <\/b><\/span><\/span><\/span>cont\u00ednua. <\/b><\/span><\/span><\/span><\/p>\n

    II.<\/b><\/span><\/span><\/span> A <\/b><\/span><\/span><\/span>pot\u00eancia el\u00e9trica<\/b><\/span><\/span><\/span> fornecida aos eletrodom\u00e9sticos residenciais pode ser medida em <\/b><\/span><\/span><\/span>quilowatt-hora<\/b><\/i><\/span><\/span><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

    III. Devem ser instalados <\/b><\/span><\/span><\/span>transformadores<\/b><\/span><\/span><\/span> nos postes das ruas, para converter a <\/b><\/span><\/span><\/span>tens\u00e3o<\/b><\/span><\/span><\/span> da rede <\/b><\/span><\/span><\/span><\/p>\n

    \"\"el\u00e9trica externa em um valor compat\u00edvel com a <\/b><\/span><\/span><\/span>tens\u00e3o adequada para o uso residencial. <\/b><\/span><\/span><\/span><\/p>\n

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

    A.<\/b><\/span><\/span><\/span> ( ) somente as afirmativas II e III s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

    B.<\/b><\/span><\/span><\/span> ( ) somente e as afirmativas I e II s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

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

    D.<\/b><\/span><\/span><\/span> ( ) somente e a afirmativa III \u00e9 verdadeira. <\/b><\/span><\/span><\/span><\/p>\n

    E.<\/b><\/span><\/span><\/span> ( ) todas afirmativas s\u00e3o verdadeiras. <\/b><\/span><\/span><\/span><\/p>\n

    11-(UDESC-SC-015)<\/span><\/span><\/span><\/p>\n

    \"\"<\/p>\n

    Uma <\/b><\/span><\/span><\/span>onda de r\u00e1dio<\/b><\/span><\/span><\/span> que se propaga no <\/b><\/span><\/span><\/span>v\u00e1cuo<\/b><\/span><\/span><\/span> possui uma <\/b><\/span><\/span><\/span>frequ\u00eancia <\/b><\/span><\/span><\/span>f<\/b><\/i><\/span><\/span><\/span> <\/b><\/i>e um <\/b><\/span><\/span><\/span>comprimento de onda<\/b><\/span><\/span><\/span> <\/b><\/p>\n

    \"\"<\/p>\n

    igual a 5,0 m<\/b><\/span><\/span><\/span>. Quando ela <\/b><\/span><\/span><\/span>penetra na \u00e1gua,<\/b><\/span><\/span><\/span> a <\/b><\/span><\/span><\/span>velocidade<\/b><\/span><\/span><\/span> desta onda vale <\/b><\/span><\/span><\/span>2,1.10<\/b><\/span><\/span><\/span>8<\/b><\/span><\/span><\/sup><\/span> m\/s<\/b><\/span><\/span><\/span>. <\/b><\/span><\/span><\/span>Na \u00e1gua<\/b><\/span><\/span><\/span>, a <\/b><\/span><\/span><\/span>frequ\u00eancia e o comprimento de onda valem, respectivamente<\/b><\/span><\/span><\/span>: <\/b><\/span><\/span><\/span><\/p>\n

    A.<\/b><\/span><\/span><\/span> ( ) 4,2.10<\/b><\/span><\/span><\/span>7<\/b><\/span><\/span><\/sup><\/span> Hz, 1,5 m <\/b><\/span><\/span><\/span><\/p>\n

    B.<\/b><\/span><\/span><\/span> ( ) 6,0.10<\/b><\/span><\/span><\/span>7<\/b><\/span><\/span><\/sup><\/span> Hz, 5,0 m <\/b><\/span><\/span><\/span><\/p>\n

    C.<\/b><\/span><\/span><\/span> ( ) 6,0.10<\/b><\/span><\/span><\/span>7<\/b><\/span><\/span><\/sup><\/span> Hz, 3,5 m <\/b><\/span><\/span><\/span><\/p>\n

    D.<\/b><\/span><\/span><\/span> ( ) 4,2.10<\/b><\/span><\/span><\/span>7<\/b><\/span><\/span><\/sup><\/span> Hz, 5,0 m <\/b><\/span><\/span><\/span><\/p>\n

    E.<\/b><\/span><\/span><\/span> ( ) 4,2.10<\/b><\/span><\/span><\/span>7<\/b><\/span><\/span><\/sup><\/span> Hz, 3,5 m <\/b><\/span><\/span><\/span><\/p>\n

    <\/h2>\n

    Confira a resolu\u00e7\u00e3o comentada<\/span><\/a><\/h2>\n","protected":false},"excerpt":{"rendered":"

    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 Santa Catarina<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":5,"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-669","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/669","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=669"}],"version-history":[{"count":3,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/669\/revisions"}],"predecessor-version":[{"id":674,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/669\/revisions\/674"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/5"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}