Question

A water pump produces 9KL of water per hour at a height of 70 m above the pump.The pump is driven by a 3 KW electric motor.calculate.
1) The work done per hour
2) The work done per minute
fresh water is about 1 kg/Liter
so m g h/t = 9000 kg * 9.81 * 70/3600 seconds
= 1717 Watts done
= 1717 Joules/second * 3600 seconds/hr = 6,180,300 Joules/hour
= 1717Joules/second*60 s/min = 103,020 Joules/min
Do for me please

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