1. A cylindrical water tank with depth of 4 feet and radius of 8 feet has one circular base on the ground. If the tank is full, how much work (in ft-lbs) is required to pump all the water in the tank 5 feet above the top of the tank (9 feet above the ground). Note: Water weighs 62.4 lbs/ft^3. [Answer: 351,295 ft-lbs] [Hint: Follow Example 4, but notice the radius is a constant 8 in this question.]

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Chapter1: Functions And Models
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1. A cylindrical water tank with depth of 4 feet and radius of 8 feet has one circular base on the ground. If the tank is full, how much work (in ft-lbs) is required to
pump all the water in the tank 5 feet above the top of the tank (9 feet above the ground). Note: Water weighs 62.4 lbs/ft^3. [Answer: 351,295 ft-lbs] [Hint: Follow
Example 4, but notice the radius is a constant 8 in this question.]
Transcribed Image Text:1. A cylindrical water tank with depth of 4 feet and radius of 8 feet has one circular base on the ground. If the tank is full, how much work (in ft-lbs) is required to pump all the water in the tank 5 feet above the top of the tank (9 feet above the ground). Note: Water weighs 62.4 lbs/ft^3. [Answer: 351,295 ft-lbs] [Hint: Follow Example 4, but notice the radius is a constant 8 in this question.]
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