A trough is shaped with ends that are isoceles triangles with base 3 m and height 3 m. The tank is 8 m long and the tank is filled with water. There is a spout 2 m tall, from which the water is pumped out.
a) Find the work required tto pump the water out of the spout
b.) Suppose the pump breaks after 4.7 x 105 J of work has been done. What is the depth of the water remaining in the tank?