# Calculus II

posted by
**RuggedChild**
.

A cylindrical tank of r=5 and h=9 is 2/3 filled with a liquid with density [rho]lb/ft^3. Find the Work required to pump liquid over the rim.

The main thing I need help with is finding the y-value at which the tank is 2/3 full. Assume the bottom point of the tank is at y=0.