In: Math
A rectangular swimming pool is 5 ft deep, 10 ft wide, and 15 ft long. The pool is filled with water to 1 ft below the top. If the weight density of water is 62.4 lb / ft3 and if x = 0 corresponds to the bottom of the tank, then which of the following represents the work done (in ft-lb) in pumping all the water into a drain at the top edge of the pool?