Find the work done in emptying a tank containing oil if the tank is hemisphere with a diameter of 6 feet. The tank is full and the density of the oil is 50lb/ft^3. The oil is raised to a point 4 ft about the top of the tank. Thank you for helping. I have no idea how to start.(adsbygoogle = window.adsbygoogle || []).push({});

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# Need to find WORK

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