The radius of a well is 7m.water in it is at a depth of 20m and depth of water column is 10m.work done in pumping out water completely from the well is.
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The radius of a well is 7m. Water in it is at a depth of water column is 10m. Work done in pumping out water completely from the well is (g=10ms^-2) Ans:-385MJ.
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