Questões - ITA 2008 | Gabarito e resoluções

(ITA - 2008) The hold-up The gunman, is useless. I know it. He knows it. The whole bank knows it. Even my best mate Marvin knows it and 1hes more useless than the gunman. The worst part about the whole thing is that Marvs car is standing outside in a fifteen-minute parking zone. Were all face-down on the floor and 2the cars only got a few minutes left on it. 3I wish this bloked hurry up, I mention. I know, Marv whispers back. This is outrageous. His voice rises from the depths of the floor. Ill be getting a fine because of this useless bastard. I cant afford another fine, Ed. 4The cars not even worth it. What? Marv looks over at me now. I can sense hes getting uptight. Offended. If theres one thing Marv doesnt tolerate, its someone putting shit on his car. He repeats the question. What did you say, Ed? I said, I whisper, it isnt even worth the fine, Marv. Look, he says, Ill take 8a lot of things, Ed, but... I tune out of what hes saying, because quite frankly, once Marv gets going about his car, its downright pain in the arse material. He goes on and on, like a kid, and 5hes just turned twenty, for Jesus sake. He goes on for another minute or so, until I have to cut him off. Marv, I point out, the cars an embarrassment, okay? It doesnt even have a handbrake - its sitting out there with two bricks behind the back wheels. lm trying to keep my voice 7as quiet as possible. Half the time you dont even bother locking it. Youre probably hoping someonell 6flog it so you can collect the insurance. It isnt insured. (...) Thats when the gunman turns around and shouts, Whos talkin back there?! Marv doesnt care. Hes worked up about the car. (...) Zusak, M. The Messenger, Austrlia: Ed. Picador, 2002 p. 3-4 Da leitura do texto, possvel inferir que Marvin e Ed

(ITA - 2008) Qual das opes abaixo apresenta o elemento qumico que utilizado como dopante para a confeco do semicondutor tipo-p?

(ITA- 2008) THE HOLD-UP The gunman, is useless. I know it. He knows it. The whole bank knows it. Even my best mate Marvin knows it and (1)hes more useless than the gunman. The worst part about the whole thing is that Marvs car is standing outside in a fifteen-minute parking zone. Were all face-down on the floor and (2) the cars only got a few minutes left on it. (3)I wish this (6) bloked hurry up, I mention. I know, Marv whispers back. This is outrageous. His voice rises from the depths of the floor. Ill be getting a fine because of this useless bastard. I cant afford another fine, Ed. (4) The cars not even worth it. What? Marv looks over at me now. I can sense hes getting uptight. Offended. If theres one thing Marv doesnt tolerate, its someone putting shit on his car. He repeats the question. What did you say, Ed? I said, I whisper, it isnt even worth the fine, Marv. Look, he says, Ill take a lot of things, Ed, but... I (7)tune out of what hes saying, because quite frankly, once Marv gets going about his car, its downright pain in the arse material. He goes on and on, like a kid, (5) and hes just turned twenty, for Jesus sake. He goes on for another minute or so, until I have to (8) cut him off. Marv, I point out, the cars an embarrassment, okay? It doesnt even have a handbrake - its sitting out there with two bricks behind the back wheels. Im trying to keep my voice as quiet as possible. Half the time you dont even bother locking it. Youre probably hoping someonell flog it so you can collect the insurance. lt isnt insured. (...) Thats when the gunman turns around and shouts, Whos talkin back there?! Marv doesnt care. Hes worked up about the car. (...) Zusak, M. The Messenger, Austrlia: Ed. Picador, 2002 p. 3-4 Assinale a opo em que a contrao dos verbos (s) ou (d) est representada corretamente.

(ITA - 2008 - 1a Fase) Um subconjunto D de IR tal que a funo f : D IR, definida por injetora, dado por

(ITA - 2008 - 1a Fase) No estudo de ondas que se propagam em meios elsticos, a impedncia caracterstica de um material dada pelo produto da sua densidade pela velocidade da onda nesse material, ou seja, z = v . Sabe-se, tambm, que uma onda de amplitude a1 , que se propaga em um meio 1 ao penetrar em uma outra regio, de meio 2, origina ondas, refletida e transmitida, cuja amplitudes so, respectivamente: Num fio, sob tenso , a velocidade da onda nesse meio dada por . Considere agora o caso de uma onda que se propaga num fio de densidade linear (meio 1) e penetra num trecho desse fio em que a densidade linear muda para 4 (meio 2). Indique a figura que representa corretamente as ondas refletidas (r) e transmitida (t).

(ITA - 2008 - 1a Fase) Indique a opo que explicita o representado pelo grfico da figura:

(ITA - 2008 - 1a Fase) A soma de todas as solues distintas da equao cos 3x + 2 cos 6x + cos 9x = 0, que esto no intervalo 0 x /2, igual a

(ITA - 2008) O explosivo plstico conhecido como PBX constitudo de uma parte polimrica, normalmente um poliuretano. A formao do poliuretano atribuda reao entre um poliol com

(ITA - 2008 - 1a Fase) The hold-up 1The gunman, is useless. I know it. He knows it. The whole bank knows it. 5Even my best mate Marvin knows it and hes more useless than the gunman. The worst part about the whole thing is that Marvs car is standing outside in a fifteen-minute parking zone. Were all face-down on the floor and the cars only got a few minutes left on it. I wish this bloked hurry up, I mention. I know, Marv whispers back. This is outrageous. His voice rises from the depths of the floor. Ill be getting a fine because of 10this useless bastard. I cant afford another fine, Ed. The cars not even worth it. What? Marv looks over at me now. I can sense hes getting uptight. Offended. If theres one thing Marv doesnt tolerate, its someone putting shit on his car. He repeats the question. 15What did you say, Ed? I said, I whisper, it isnt even worth the fine, Marv. Look, he says, Ill take a lot of things, Ed, but I tune out of what hes saying, because quite frankly, once Marv gets going about his car, its downright pain in the arse material. He goes on and on, like a kid, and hes just turned twenty, for Jesus sake. 20He goes on for another minute or so, until I have to cut him off. Marv, I point out, the cars an embarrassment, okay? It doesnt even have a handbrake its sitting out there with two bricks behind the back wheels. Im trying to keep my voice as quiet as possible. Half the time you dont even bother locking it. Youre probably hoping someonell flog it so you can collect the insurance. It isnt insured. () 25Thats when the gunman turns around and shouts, Whos talkin back there?! Marv doesnt care. Hes worked up about the car. () Zusak, M. The Messenger, Austrlia: Ed. Picador, 2002 p. 3-4 Dadas as asseres: I. O termo bloke (linha 8) refere-se a gunman. II. A expresso tune out (linha 18) pode ser substituda por pay attention. III. A expresso cut off, em cut him off (linha 20), pode ser substituda por interrupt. Est(o) correta(s)

(ITA - 2008 - 1a Fase) Ethical abuses in the authorship of scientific papers 1Problems regarding the order of authorship of scientific papers have become more frequent and 2more abusive. These problems may have heightened due to the ever increasing pressure to 3publish or perish in the academic world, given that the publication of scientific articles has 4become the benchmark of success in a field with few job opportunities. This article reviews the 5abuses in the authorship of scientific papers. Different examples are given of the most common 6problems and recommendations are provided for authors and journal editors. Rev. Bras. Entomol.Vol. 51 no. 1 So Paulo, Jan./Mar. 2007 ndice no canto superior esquerdo das palavras indicam o nmero da linha no texto original. O objetivo do artigo ao qual se refere o texto

(ITA - 2008) Assinale a opo que contm o polmero que, por ser termoplstico e transparente, pode ser empregado na fabricao de pra-brisa de aeronaves.

(ITA - 2008 - 1a Fase) Considere o conjunto D = {n ; 1 n 365} e H P (D) formado por todos os subconjuntos de D com 2 elementos. Escolhendo ao acaso um elemento B H, a probabilidade de a soma de seus elementos ser 183 igual a

[ITA - 1 FASE - 2008] Numa brincadeira de aventura, o garoto (de massa M) lana-se por uma corda amarrada num galho de rvore num ponto de altura L acima do gatinho (de massa m) da figura, que pretende resgatar. Sendo g a acelerao da gravidade e H a altura da plataforma de onde se lana, indique o valor da tenso na corda, imediatamente aps o garoto apanhar o gato para aterris-lo na outra margem do lago.

(ITA - 2008) Considere que os quatro processos qumicos, descritos a seguir nos itens I a IV, so realizados isobrica e isotermicamente: I. KNO3(s) K+(aq) + NO3-(aq) II. H2O() H2O(g) III. C(grafita) C(diamante) IV. 2 Na(s) + O2(g) Na2O(s) Qual das opes abaixo contm os processos qumicos cuja variao de energia interna nula?

(ITA - 2008 - 1a Fase) Considere o tringulo ABC issceles em que o ngulo distinto dos demais, , mede 40. Sobre o lado , tome o ponto E tal que = 15. Sobre o lado , tome o ponto D tal que = 35. Ento, o ngulo vale