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Mathematics 7 Online
OpenStudy (anonymous):

A fuel oil tank is an upright cylinder, buried so that its circular top is ten feet beneath ground level. The tank has a radius of 5 feet and is 15 feet high, although the current oil level is only 8 feet deep. Calculate the work required to pump all of the oil to the surface. The density of oil is 50 lb/ft^3.

OpenStudy (anonymous):

this doesn't help me

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