Posted by Anonymous on .
A conical tank has a diameter of 9ft and is 12 ft deep. If the tank is filled with water of density 62.4 ft/cubic ft, how much work is required to pump the water over the top?

calculus 
drwls,
Which end of the cone is on top?
Multiply the mass of water in the cone by the depth of the center of mass, and by g.