7. A cylindrical tank, buried on its side, has radius 3 feet and length 10 feet. It is filled completely with water whose weight density is 62.4 lbs/ft³, and the top of the tank is two feet underground. a. Set up, but do not evaluate, an integral expression that represents the amount of work required to empty the top half of the water in the tank to a truck whose tank lies 4.5 feet above ground. b. With the tank now only half-full, set up, but do not evaluate an integral expression that represents the total force due to hydrostatic pressure against one end of the tank.

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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7.
A cylindrical tank, buried on its side, has radius 3 feet and length 10 feet. It is filled
completely with water whose weight density is 62.4 lbs/ft³, and the top of the tank is
two feet underground.
a. Set up, but do not evaluate, an integral expression that represents the amount of
work required to empty the top half of the water in the tank to a truck whose tank
lies 4.5 feet above ground.
b. With the tank now only half-full, set up, but do not evaluate an integral expression
that represents the total force due to hydrostatic pressure against one end of the
tank.
Transcribed Image Text:7. A cylindrical tank, buried on its side, has radius 3 feet and length 10 feet. It is filled completely with water whose weight density is 62.4 lbs/ft³, and the top of the tank is two feet underground. a. Set up, but do not evaluate, an integral expression that represents the amount of work required to empty the top half of the water in the tank to a truck whose tank lies 4.5 feet above ground. b. With the tank now only half-full, set up, but do not evaluate an integral expression that represents the total force due to hydrostatic pressure against one end of the tank.
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