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Math Help - work problem to pump liquid out of a tank

  1. #1
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    work problem to pump liquid out of a tank

    A tank in the shape of an inverted right circular cone has height 6 meters and radius 4 meters. It is filled with 4 meters of hot chocolate. Find the work required to empty the tank by pumping the hot chocolate over the top of the tank. The density of hot chocolate is

    I know how to do these problems.

    find the volume of a slice and times 9.8 m/s^2 and by 1070kg, etc ect

    but I keep getting the wrong answer.
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  2. #2
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    skeeter's Avatar
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    ok ... you got it wrong.

    It would help to show your integral set-up, antiderivative, and evaluation using the FTC.
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