Question

Calculate the time taken by a water pump of power 500 W to lift 2000 kg of water
to a tank, which is at a height of 15 m from the ground? Use: g = 10 m/s2
(
500W = 500J/s
work = Force * distance = 2000kg*10*15m = 300000J

300000J รท 500J/s = 600s = 10 minutes
Good

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