Homework Help: Calc

Posted by Anonymous on Sunday, February 10, 2013 at 10:54pm.

A a conical container of radius 5ft and height 20ft is filled to a height of 18ft of a liquid weighing 50.6lb/ft^3. How much work will it take to pump the contents to the rim? How much work will it take to pump the liquid of a level of 2ft above the rim?

So I got integral (50.6pi/1)y^2(18-y)from 0 to 18 to get 125546, but that wasnt the right answer. Please help! What's the number before y^2 supposed to be?

Calc - Anonymous, Sunday, February 10, 2013 at 10:54pm
BTW the right answer was 125452

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