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An engine pumps water from a river 10m below its own level and discharges it through a nozzle of diameter 10cm with a speed of 50ms^-1. Find the power required assuming (a) no losses. (b) 70% efficiency. Water weighs 10^3kgm^-3. (g = 10ms^-2)

Please help me with this problem, I've bever come accross such a problem before..

Please help me with this problem, I've bever come accross such a problem before..

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