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Calculate the power of a crane in watts,...

Calculate the power of a crane in watts, which lifts a mass of 100 kg to a height of 10 m in 20 s.

Text Solution

Verified by Experts

m = 100 kg
h =10 m
t = 20 s
Power, P = `U/t = (mgh)/t ( :. U = mgh )`
`(100 xx 9.8 xx10)/20`
`= 5xx98=490W`
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