An open tank has the shape of a right circular cone. The tank is 12 feet across the top and 7 feet high. How much work is done in emptying the tank by pumping the water over the top edge? Note: The density of water is 62.4 lbs per cubic foot.
A) 9,172.80 ft-lb
B) 5,503.68 ft-lb
C) 7,338.24 ft-lb
D) 13,759.20 ft-lb
E) 16,511.04 ft-lb

Question

An open tank has the shape of a right circular cone. The tank is 12 feet across the top and 7 feet high. How much work is done in emptying the tank by pumping the water over the top edge? Note: The density of water is 62.4 lbs per cubic foot.
A) 9,172.80 ft-lb 
B) 5,503.68 ft-lb 
C) 7,338.24 ft-lb 
D) 13,759.20 ft-lb 
E) 16,511.04 ft-lb

Quizplus · Accepted Answer

The Answer of An open tank has the shape of a right circular cone. The tank is 12 feet across the top and 7 feet high. How much work is done in emptying the tank by pumping the water over the top edge? Note: The density of water is 62.4 lbs per cubic foot.
A) 9,172.80 ft-lb 
B) 5,503.68 ft-lb 
C) 7,338.24 ft-lb 
D) 13,759.20 ft-lb 
E) 16,511.04 ft-lb

An Open Tank Has the Shape of a Right Circular