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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

Given, mass=m=100kg ltbRgt height=h=10m time duration t=20s
Power=Rate of work done
`("Change in PE")/("time")=(mgh)/(t)`
`(100xx9.8xx10)/(20)`=`5xx98=490W`
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