A water tank is in the form of an inverted right circular cone h feet deep and d feet wide across the top. If the tank is 12 feet deep and 6 feet wide across the top and water is being pumped into the tank at the rate of 10 ft3/min. , how fast is the surface of the tank rising when the water is 5 feet deep?

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
Problem 42E: A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft...
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A water tank is in the form of an inverted right circular cone h feet deep and d feet wide across the top. If the tank is 12 feet deep and 6 feet wide across the top and water is being pumped into the tank at the rate of 10 ft3/min. , how fast is the surface of the tank rising when the water is 5 feet deep?

 

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