Water is flowing in a cylindrical pipe of radius 1 inch. Becausewater is viscous and
Chapter 8, Problem 59(choose chapter or problem)
Water is flowing in a cylindrical pipe of radius 1 inch. Becausewater is viscous and sticks to the pipe, the rate offlow varies with the distance from the center. The speedof the water at a distance r inches from the center is10(1 r2) inches per second. What is the rate (in cubicinches per second) at which water is flowing throughthe pipe?
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