a circular swimming pool has a diameter of 24 feet the sides

a circular swimming pool has a diameter of 24 feet, the sides are 5 feet high and the depth of the water is 4 feet. how much work is required to pump all of the water is 62.4 pounds per cubuie force Express your answer in foot-pounds

Total volume = pir^2h = 1808.64 ft^3 Weight = 112859.1 pound Initial PE = mgh = mg*2 Final PE = mgh = mg*5 Work = 5mg - 2mg = 3mg = 3318058.6 foot-pounds