Calculus Work intergration

Question

A fuel oil tank is an upright cylinder, buried so that its circular top is  beneath ground level. The tank has a radius of  and is  high, although the current oil level is only  deep. Calculate the work required to pump all of the oil to the surface. Oil weighs .

Answer 1

None of the data is given.

D = ,m/V

V = pi * r^2 * h

Once the mass is found, F = mg

W = f*d