How much water a pump of 2kW can raise in one minute to a height of 10 m. take g = 10 m/s2?
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Given :
Power of the water pump (P) = 2 KW = 2000 W
Height (h) = 10 m
To Find :
Amount of water that a pump with 2000W power can raise in 1 min
Solution :
Work Done by the water pump = mgh
where m = mass of water; g = acceleration due to gravity; h = Height
Work Done by the water pump = m × 10 × 10
= 100m
We know,
Power =
⇒ 2000 = [∵ 1 min = 60 sec]
∴ m = 1200 Kg
∴ 1200 Kg of water is pumped in one minute to a height of 10 m.
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