Q55

Uma tubulação abastece um reservatório de 30 m3 a uma taxa de 10 L/min.
O tempo, em horas, necessário para encher completamente esse reservatório é

(A) 10
(B) 20
(C) 30
(D) 40
(E) 50

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Gabarito: E.

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Pedro

Adequando as unidades:

1 L = 1 dm3 = 10^-3 m3

10 L/min = 10^-2 m3 / min

1 min —————–10^-2 m3
T min —————- 30 m3
T = 30 / 10^-2 = 3000 min.

Passando para horas, T = 3000 . 1/60 = 50 h letra E