Question: A rectangular pool sitting in the ground has base dimensions of 8 feet by 1 0 feet and has a depth of 6 feet. The

A rectangular pool sitting in the ground has base dimensions of

8

feet by

10

feet and has a depth of

6

feet. The pool is drained by a pump at the bottom of the pool. If a two horsepower pump is used to drain the pool, how long will it take to drain? Use the fact that water weighs

62.5 l \frac{b}{f} t^{3}

and that a one horsepower engine does

550 f t - l b

of work per second.

A rectangular pool sitting in the ground has base

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