A cylindrical gasoline tank is placed so that the axis of the cylinder is horizontal. Find the fluid force on a circular end of the tank if the tank is full, assuming that the diameter is 6 feet and the gasoline weighs 42 pounds per cubic foot. (Evaluate one integral by a geometric formula and the other by observing that the integrand is an odd function.) Round your answer to two decimal places.
?
A. 3,732.21 lb
B. 3,562.57 lb
C. 1,781.28 lb
D. 28,500.53 lb
E. 3,392.92 lb
Answer: B
Mathematics
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