Question 1
Um carro percorre 120 km em 1,5 hora numa rodovia. Ao chegar à cidade, reduz sua velocidade para 40 km/h e percorre mais 20 km. Qual foi a velocidade média total do percurso?
Correct Answer:
70 km/h
Question 2
Um elevador de condomínio transporta pessoas com massa total de 480 kg do térreo ao 10º andar, percorrendo 30 metros de altura em 15 segundos. Considerando g = 10 m/s², qual é a potência mínima necessária do motor do elevador?
Correct Answer:
9.600 W
Question 3
Na conta de luz de uma residência, consta que foram consumidos 300 kWh em um mês. Sabendo que o chuveiro elétrico de 5.500 W foi usado 30 minutos por dia durante 30 dias, qual percentual do consumo mensal ele representa?
Correct Answer:
27,5%
Question 4
Uma bola de futebol é chutada verticalmente para cima com velocidade inicial de 20 m/s. Considerando g = 10 m/s² e desprezando a resistência do ar, qual é a altura máxima atingida pela bola?
Correct Answer:
20 m
Question 5
Um circuito elétrico residencial possui três lâmpadas de 100 W cada, ligadas em paralelo a uma fonte de 220 V. Qual é a corrente total fornecida pela fonte?
Correct Answer:
1,36 A
Question 1
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About this Exam

Prepare with the ENEM — Exame Nacional do Ensino Médio [enem-brazil] practice quiz. This question bank includes 173 questions covering qual, para, ncia, leia, and brasil. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ENEM — Exame Nacional do Ensino Médio [enem-brazil]

This practice set contains 173 questions from the matching question bank and focuses on qual, para, ncia, leia, and brasil. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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