A cylindrical gasoline tank 4 feet in diameter and 5 feet long is carried on the bank of a truck and is used to fuel tractors. The axis of the tank is horizontal. The opening on the tractor tank is 5 feet above the top of the tank in the truck. Find the work done in pumping the entire gasoline contents that weighs 42 pounds per cubic feet of the fuel tank into a tractor.
(Hint: Evaluate one integral by geometric formula and the other by observing that the integrand is an odd function.
A)11,760 ft-lb
B)5,880 ft-lb
C)2,940 ft-lb
D)31,360 ft-lb
E)25,760 ft-lb

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The Answer of A cylindrical gasoline tank 4 feet in diameter and 5 feet long is carried on the bank of a truck and is used to fuel tractors. The axis of the tank is horizontal. The opening on the tractor tank is 5 feet above the top of the tank in the truck. Find the work done in pumping the entire gasoline contents that weighs 42 pounds per cubic feet of the fuel tank into a tractor.
(Hint: Evaluate one integral by geometric formula and the other by observing that the integrand is an odd function.
A)11,760 ft-lb
B)5,880 ft-lb
C)2,940 ft-lb
D)31,360 ft-lb
E)25,760 ft-lb

A Cylindrical Gasoline Tank 4 Feet in Diameter and 5