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April 18, 2014

Homework Help: Integrals/Related Rates(?)/Volume

Posted by Alex on Thursday, March 22, 2012 at 5:44pm.

Fluid is flowing in a tube that has a radius of 3 centimeters. Water is flowing through a circular cross section at a rate of (9-r^2) cm/s, where r is the distance from the center of the cross section. What is the total amount of water that flows through the cross section in 4 seconds?

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