Find the work required to pump all the water out from the top of a cylinder that has a °ular base with a radius of 5 feet and a height of 250 feet. Use the fact that the weight-density of water is 62 lb/ft³.
a) 3.85 x 10⁵ ft-lb
b) 9.25 x 10⁴ ft-lb
c) 6.13 x 10⁵ ft-lb
d) 1.95 x 10⁶ ft-lb