Question: please solve this problem (13 points) At night when electricity demand is low, the river is pumped into a reservoir on a 200 m high

please solve this problem

(13 points) At night when electricity demand is low, the river is pumped into a reservoir on a 200 m high hill, and during the daytime, the water is used to turn the turbine to meet the peak electricity demand. Find the pump power required to transport 50 m3/min using a tube with an inner diameter of 80 cm with a length of 800 m. The pump officiency is 85%and the friction loss is 10 mH2O

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