Physics, asked by annatimnath9224, 1 year ago

An engine delivers 10 kw of power.how much time will it take to lift a mass of 200 kg upto a height of 40 m.

Answers

Answered by 1Saksham

3

Work= mgh = 200×10×40
=80000 J
So,power=10kw=10000 W
Power=Work/time
so,Time=work/power
=80000/10000
=8 seconds

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