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8) 100 m of water is pumped from a reservoir into a tank, 10 m higher than reservoir, in 20 minutes. If density of

8) 100 m of water is pumped from a reservoir into a tank, 10 m higher than reservoir, in 20 minutes. If density of water is 1000kg/m, find a) The increase in P.E. b) The power delivered by the pump.

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