define powers. a boy of Mass 45kg climbs up 20step in20sec. if each step is 25cm high . calculate the power of the boy used in climbing
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hey.......
Power of a source in the rate od doing work by it.
Power spent depends on the time in which work is done .
S.I. unit of power is watt(W).
The power of a boy =work /time
=45/25
=3watt
Power of a source in the rate od doing work by it.
Power spent depends on the time in which work is done .
S.I. unit of power is watt(W).
The power of a boy =work /time
=45/25
=3watt
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