February 21, 2017

Homework Help: Calculus

Posted by Nathaniel on Monday, November 28, 2011 at 1:50pm.

Hello, I posted a question earlier but now I'm stuck on the second part of the question. Please help me.

Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted cone whose diameter and height are always the same.

Find the rate of increase of the radius when the pile is 20 ft. high.


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