An open tank has the shape of a right circular cone. The tank is 9 feet across the top and 8 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) 6,739.20 ft-lb
B) 4,043.52 ft-lb
C) 5,391.36 ft-lb
D) 10,108.80 ft-lb
E) 12,130.56 ft-lb

Question

An open tank has the shape of a right circular cone. The tank is 9 feet across the top and 8 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) 6,739.20 ft-lb 
B) 4,043.52 ft-lb 
C) 5,391.36 ft-lb 
D) 10,108.80 ft-lb 
E) 12,130.56 ft-lb

Quizplus · Accepted Answer

The Answer of An open tank has the shape of a right circular cone. The tank is 9 feet across the top and 8 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) 6,739.20 ft-lb 
B) 4,043.52 ft-lb 
C) 5,391.36 ft-lb 
D) 10,108.80 ft-lb 
E) 12,130.56 ft-lb

An Open Tank Has the Shape of a Right Circular