Questões do ENEM 2017

Questões aplicadas na prova de 2017, cada uma em página própria com enunciado, alternativas e gabarito.

Resultados

5.454 questões encontradas. Mostrando a página 11 de 273.

  • 61DA1383-FF

    Física

    1ª Lei da Termodinâmica
    URCA · 2017MédioEntre para guardar nos favoritos

    Os fenômenos macroscópicos são, a rigor, irreversíveis a menos de situações experimentalmente controladas “quase-reversíveis”. A expansão livre de um gás, por exemplo, é um fenômeno irreversível. Um outro exemplo é a passagem espontânea de calor de um corpo para outro de menor temperatura (ou mais frio). A lei física ligada a irreversibilidade dos fenômenos macroscópicos corresponde a:

    Escolha uma alternativa para a questão 61da1383-ff
  • 61D717F6-FF

    Física

    Calorimetria
    URCA · 2017FácilEntre para guardar nos favoritos

    Sobre os conceitos de temperatura e calor podemos dizer que:

    Escolha uma alternativa para a questão 61d717f6-ff
  • 61CC8E82-FF

    Física

    Estática e Hidrostática
    URCA · 2017FácilEntre para guardar nos favoritos

    A cada 10 metros de profundidade a pressão hidrostática em um lago aumenta de aproximadamente 1 atmosfera. Sendo 1 atmosfera a pressão atmosférica local, um objeto a 30 metros de profundidade neste lago estará sujeito a uma pressão de:

    Escolha uma alternativa para a questão 61cc8e82-ff
  • 61C93B50-FF

    Física

    Dinâmica
    URCA · 2017FácilEntre para guardar nos favoritos

    Considere o valor aproximado da aceleração da gravidade como sendo 10metros por segundo ao quadrado. O trabalho realizado pela força peso sobre um corpo de massa 1quilograma quando este é suspenso de uma altura de meio metro para uma altura de um metro e meio, em relação ao solo, é:

    Escolha uma alternativa para a questão 61c93b50-ff
  • 61C53C4C-FF

    Física

    Colisão
    URCA · 2017FácilEntre para guardar nos favoritos

    Um corpo de massa 1kg e velocidade (num certo referencial inercial) de 3m/s colide não-elasticamente com outro de 2kg inicialmente em repouso. Após a colisão ambos permanecem juntos. Podemos notar que:

    Escolha uma alternativa para a questão 61c53c4c-ff
  • 61C1C7CC-FF

    Física

    Cinemática
    URCA · 2017MédioEntre para guardar nos favoritos

    Um objeto de 1 quilograma cai livremente (a partir do repouso) de uma certa altura sob ação da gravidade e na presença de uma força de resistência do ar de 2newtons. Considere a aceleração da gravidade como sendo aproximadamente 10 metros por segundo ao quadrado. Então a velocidade do objeto e o deslocamento percorrido por ele após 2 segundos de queda são, aproximadamente:

    Escolha uma alternativa para a questão 61c1c7cc-ff
  • 61BE68AC-FF

    Física

    Cinemática
    URCA · 2017FácilEntre para guardar nos favoritos
    Um carro percorre um trecho de rodovia com velocidade constante de 60km/h (em quilômetros por hora) durante 15minutos. Supondo que este veículo faz nesta situação 15km por litro de combustível então a quantidade de combustível consumido por ele neste trecho foi de:
    Escolha uma alternativa para a questão 61be68ac-ff
  • 210D43E4-FE

    Inglês

    Interpretação de texto | Reading comprehension
    Associação Brasileira de Engenharia de Produção · 2017DifícilEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    How much does a ‘penny’ worth?
    Escolha uma alternativa para a questão 210d43e4-fe
  • 21097343-FE

    Inglês

    Sinônimos | Synonyms
    Associação Brasileira de Engenharia de Produção · 2017FácilEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    The word management (3rd paragraph) is closest in meaning to:
    Escolha uma alternativa para a questão 21097343-fe
  • 210663B9-FE

    Inglês

    Interpretação de texto | Reading comprehension
    Associação Brasileira de Engenharia de Produção · 2017Muito difícilEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    Which of the sentences below best expresses the essential information in the phrase “Opportunity cost”?
    Escolha uma alternativa para a questão 210663b9-fe
  • 210370FC-FE

    Inglês

    Interpretação de texto | Reading comprehension
    Associação Brasileira de Engenharia de Produção · 2017MédioEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    Which of the sentences below best expresses the essential information in the sentence ‘Every time A occurs B follows.”?
    Escolha uma alternativa para a questão 210370fc-fe
  • 21006452-FE

    Inglês

    Interpretação de texto | Reading comprehension
    Associação Brasileira de Engenharia de Produção · 2017MédioEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    What can be inferred by “a penny not earned”?
    Escolha uma alternativa para a questão 21006452-fe
  • 20FD4AC3-FE

    Inglês

    Infinitivo e gerúndio | Infinitive and gerund
    Associação Brasileira de Engenharia de Produção · 2017FácilEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    The infinitive form of spent, is:
    Escolha uma alternativa para a questão 20fd4ac3-fe
  • 20FA46A9-FE

    Inglês

    Sinônimos | Synonyms
    Associação Brasileira de Engenharia de Produção · 2017MédioEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    The word assert (3rd paragraph) is closest in meaning to:
    Escolha uma alternativa para a questão 20fa46a9-fe
  • 20F70240-FE

    Inglês

    Verbos modais | Modal verbs
    Associação Brasileira de Engenharia de Produção · 2017MédioEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    The word in bold, in ‘We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues’, is being used to express:
    Escolha uma alternativa para a questão 20f70240-fe
  • 20F348EF-FE

    Inglês

    Pronome possessivo substantivo | Possessive pronoun
    Associação Brasileira de Engenharia de Produção · 2017MédioEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    The underlined word in ‘One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement…’ can be correctly classified as a:
    Escolha uma alternativa para a questão 20f348ef-fe
  • 20EF019C-FE

    Inglês

    Sinônimos | Synonyms
    Associação Brasileira de Engenharia de Produção · 2017DifícilEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    The word childhood has its synonym in which alternative?
    Escolha uma alternativa para a questão 20ef019c-fe
  • 20EB2DBE-FE

    Inglês

    Interpretação de texto | Reading comprehension
    Associação Brasileira de Engenharia de Produção · 2017DifícilEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    What’s the meaning of the phrase ‘A penny saved is a penny earned’?
    Escolha uma alternativa para a questão 20eb2dbe-fe
  • 20E8191C-FE

    Inglês

    Sinônimos | Synonyms
    Associação Brasileira de Engenharia de Produção · 2017DifícilEntre para guardar nos favoritos

    Opportunity Cost


    This phenomenon goes by the name of ‘opportunity cost,’ since by not investing in more equipment and a more rigid production flow, the company is forgoing the opportunity to earn increased profits. These costs are every bite as real as the payment of dollars out-of-pocket.


    This notion _______ opportunity cost can be reinforced _________ a famous saying ______ Benjamin Franklin, no slouch himself _________ operations management. To make the point, however, we must make a brief excursion into logic. One truth of logic is the validity of the so-called contrapositive, which says simply that if the statement “If A, then B” is true, then it is also true that “If not B, then not A.” That is, of every time A occurs B follows, then we can be sure that if B does not occur, then A did not occur as well. Enough logic then, and back to Ben Franklin.


    One of his Poor Richard sayings is that “A penny saved is a penny earned.” We have all recognized the truth of that since childhood, but I assert that by this saying Ben showed us he knows everything about opportunity cost. After all, what is the contrapositive of “A penny not earned is a penny not saved (i.e., a penny sent). All we are saying by this notion of opportunity cost is that “a penny not earned (an opportunity forgone) is a penny spent.” We shall often have occasion to consider opportunity costs, in analyzing and deciding various operations issues.


    SCHMENNER, Roger W. Production/Operations Management. 5th Edition. Prentice-Hall, 1993.

    The word reinforce (2nd paragraph) is closest in meaning to:
    Escolha uma alternativa para a questão 20e8191c-fe