. A conical tank is 12 ft across the top and 8 ft deep. It contains water to a depth of 6 ft. Find the work done in pumping the water to a point 2 ft above the top
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. A conical tank is 12 ft across the top and 8 ft deep. It
contains water to a depth of 6 ft. Find the work done in
pumping the water to a point 2 ft above the top.
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