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September 20, 2014

September 20, 2014

Posted by **Tezuka** on Wednesday, April 4, 2007 at 9:43pm.

You know the rate of dV/dt (inflow), and you can get the volume of a cone (1/3 h * toparea). So the trick is to write an equation relating top area to h (ie: toparea= PI*(12h/18)^2 /144 ) check that.

take the derivative of V with respect to h, and solve.

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