Question

Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3.

Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, 5 m, and 4 m.

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/ /|
/ O / |
---------------- |5
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| |/4
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8
That's supposed to be a rectangular box, where the length is 8 m, the width is 4 m, and the height is 5 m.