how much time will a pump of 1 KW power take to lift 500 kg of water to a height of 40 m ?
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Answer:
power =work/time
1KW =1000 watt and work =force×displacement
1000=500×40/time
20000/time=1000
time=20000/1000
time =20 seconds
The pump will take 20 seconds
Explanation:
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