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An electric water pump 1.5kilo watt lift 200kg of water through a vertical height of 6metre in 6seconds. What the efficiency of the pump

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watts = Joules/second = Newton meters/second
kilowatt = 1000 N m/s
so 1.5 kw = 1500 N m/s

200 kg * 9.81 m/s = 1962 N
1962 N * 6 meters up / 6 seconds = 1962 N m/s

magic pump? Maybe on Mars?

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