Card 26 / 41: Consider a tank 1 m in diameter and 10 m high. The tank is being filled with a liquid at a rate of 10 gallons/min. The liquid drains from the tank at a rate Q = f h, where h is the height of liquid in the tank, and f is 1 gal/(min m). Which of the following best represents how long it takes to fill the tank to a height of 5 m?
A)
1.44 hours
B)
172 minutes
C)
144 minutes
D)
1.72 hours
Answer:
A) 1.44 hours
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