A swimming pool is built in the shape of a rectangular parallelepiped 8 ft deep, 15 ft wide and 15 ft long.

(a) if the pool is filled to 1 ft below the top, how much work is required to pump all the water into a drain at the top edge of the pool? (Use 62.4 lb/ft

Work =

(b) A one-horsepower motor can do 550 ft

size of motor =

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