Q15 of 28 Page 69

The power of a motor pump is 2 kW. How much water per minute the pump can raise to a height of 10 m? (Given g = 10 m s–2)

Power = 2kW = 2000 W


Height = 10m


Power = work/ time = mgh/t ⇒ m (10)(10)/(60) = 2000



∴


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