Questões - MACKENZIE | Gabarito e resoluções

(Mackenzie 2001) No circuito a seguir, onde os geradores elétricos são ideais, verifica-seque, ao mantermos a chave k aberta, a intensidade de corrente assinalada pelo amperímetroideal A é i=1A. Ao fecharmos essa chave k, o mesmo amperímetro assinalará uma intensidadede corrente igual a:

(Mackenzie 2001) Nas divisões acima, de polinômios, podemos afirmar que o resto K vale:

(Mackenzie 2001) Com uma rgua de lato (coeficiente de dilatao linear = 2,0.10-5C-1) aferida a 20 C, mede-se a distncia entre dois pontos. Essa medida foi efetuada a uma temperatura acima de 20C, motivo pelo qual apresenta um erro de 0,05 %. A temperatura na qual foi feita essa medida :

(Mack-2001) Ficvamos sonhando horas inteiras, Com os olhos cheios de vises piedosas: ramos duas virginais palmeiras, Abrindo ao cu as palmas silenciosas. As nossas almas, brancas, forasteiras, No ter sublime alavam-se radiosas. Ao redor de ns dois, quantas roseiras O ureo poente coroava-nos de rosas. Era um arpejo de harpa todo o espao: Mirava-a longamente, trao a trao, No seu fulgor de arcanjo proibido. Surgia a lua, alm, toda de cera Ai como suave ento me parecera A voz do amor que eu nunca tinha ouvido! Alphonsus de Guimaraens Assinale a alternativa correta.

(Mackenzie 2001) Uma partícula de 1,0g está eletrizada com carga 1,0C. Ao ser abandonada do repouso, noponto A do campo elétrico da carga puntiforme Q, fica sujeita a uma força elétrica cujo trabalhopor ela realizado, entre este ponto A e o ponto B, é igual ao trabalho realizado pelo seu própriopeso, durante sua queda num desnível de 40 m. Sabendo-se que k0= 9.109N.m2/C2 e queg = 10m/s2, podemos afirmar que o valor da carga Q é:

(Mackenzie 2000) Si no se cuida un poco, .......... que operarle el estómago.

(Mackenzie - 2000) Indicate the alternative that best completes the following sentence. ______ plan that was presented __________

(MACKENZIE - 2000) Quais seriam sinnimos para os termos destacados na frase Ive MADE UP MY MIND to GIVE UP smoking?

(MACKENZIE/ adaptada) Assinale a alternativa que completa a frase com os pronomesdemonstrativos adequados, na ordem: ................ poca la he borrado de mi memoria. Ni siquiera me acuerdo por qu hice .......... viaje a Estambul

(Mackenzie) Segundo o historiador Eric J. Hobsbawn, a discusso sobre a gnese da Primeira Guerra Mundial tem sido ininterrupta desde agosto de 1914. A questo permaneceu viva porque o problema das origens das guerras mundiais infelizmente tem se recusado a desaparecer desde 1914. De fato, em nenhum outro ponto a vinculao entre as preocupaes passadas e presentes mais evidente que na histria da Era dos Imprios. Assinale a alternativa que apresenta as causas da I Guerra Mundial.

(Mackenzie 2000) Cuando Marta González .......... una vacante en un hospital, será una médica de primera.

(Mackenzie 2000) Assinale a alternativa INCORRETA sobre a região do Cáucaso.

(Mackenzie - 2000) DO PARENTS KNOW THEIR KIDS? There are now 31 million kids in the 12-to-19 age group, and demographers predict that there will be 35 million teens by 2010, a population bulge bigger than even the baby boom at ___(I)___ peak. In many ways, these teens are uniquely privileged. Theyve grown up in a period of sustained prosperity and havent had to worry about the draft (as ___(II)___ fathers did) or cataclysmic global conflicts (as ___(III)___ grandparents did). Cable and the Internet ___(IV)___ them access to an almost infinite amount of information. In survey after survey, many kids - even those on the honor roll - say they feel increasingly alone and alienated, unable to connect with ___(V)___ parents, teachers, and sometimes even classmates. Theyre desperate for guidance, and when they dont get___(VI)___ they need at home or in school, they cling to cliques or immerse themselves in a universe out of their parents reach, a world defined by computer games, TV and movies, ___(VII)___ brutality is so common it ___(VIII)___ mundane. Many teens say they feel 1overwhelmed by pressure and responsibilities. They are juggling part-time jobs and hours of homework every night; sometimes theyre so exhausted that theyre nearly asleep in early-morning classes. Half ___(IX)___ through their parents divorce. Sixty-three percent are in households ___(X)___ both parents work outside the home, and many look after younger siblings in the afternoon. Still others are home by themselves after school. That unwelcome 2solitude can extend well into the evening; mealtime for this generation too often begins with a 3forlorn touch of the microwave. In fact, of all the issues that trouble adolescents, loneliness ranks at the top of the list. University of Chicago sociologist Barbara Schneider ___(XI)___ 7,000 teenagers for five years and ___(XII)___ they spend an average of 3 1/2 hours alone every day. Teenagers may claim they want privacy, but they also crave and need attention - and theyre not getting it. (Adapted from Newsweek. May 10, 1999.) As lacunas I, II, III e V devem ser preenchidas, respectivamente, por:

(Mackenzie - 2000) LEARNING TO THINK Asians (I) proud of how well they educate their children. Thanks to the prodding of their determined parents, Asians score highest in science and math in worldwide comparisons. But from Tokyo to Taipei and Singapore, governments are realizing their children are so overstressed and overtested that they are ill equipped for the Information Age, (II) thinking and creativity hold a premium. Reform-minded educators share a similar complaint: ask a Korean student to write a creative essay or a Japanese student to pose a challenging question and or a Hong Kong student to even ask a question and, more often than not, they will be unable to stray from the script. Two years ago Kishore Mahbubani, a senior official in Singapore, posed a challenging question at a conference: Can Asians think? It was a remarkable moment of self-doubt. For years, Singapores leaders had been 1crowing about the advantages of Asian values, the idea that order in schools and government alike works better in Asia than Western-style freedom. But across Asia, that approach (III) efficient, obedient workers (IV) let their bosses do the thinking for them. Governments merrily invested in production lines and gleaming skyscrapers, and even school buildings, but skimped on developing modern teaching methods and training teachers. The result: Asias schools (V) so neglected that in many countries kids attend for half-day sessions in classrooms so crowded they are ready to bust. Asian students are too busy memorizing deadening answers to learn to think. In too many Asian classrooms, thinking actually 2gets in the way. (Adapted from Newsweek. September 6, 1999.) As lacunas I, III e V devem ser preenchidas, respectivamente, por:

(Mackenzie - 2000) Assinale a alternativa que preenche corretamente a lacuna da frase abaixo. Era un incendio importante pero en pocos minutos los bomberos .......... apagarlo.