A Tank with a Base of 4 Feet by 3

Multiple Choice

A tank with a base of 4 feet by 3 feet and a height of 4 feet is full of water. The water weighs 62.4 pounds per cubic foot. How much work is done in pumping water out over the top edge in order to empty half of the tank. Round your answer to one decimal place.

A) 499.2 ft-lb
B) 748.8 ft-lb
C) 5,990.4 ft-lb
D) 1,996.8 ft-lb
E) 1,497.6 ft-lb