Science:Math Exam Resources/Courses/MATH101/April 2005/Question 05 (a)/Statement
A water tank with depth 3 feet is in the shape of the trough depicted below. The bottom edge of the tank is 1 foot above the ground, and the ends of the tank are equilateral triangles of side length feet; the top of the tank is a rectangle of length 12 feet and width feet.
(a) The tank is filled with water pumped up from the ground level. How much work is done in filling the tank? Express your answer in foot-pounds, and use the value 62 lb/ft for the density of water. (Note that in the Imperial System, pounds are a unit for force.)
(Do not simplify your answer.)