A boy of weight 200N runs up stairs case of 50 steps in 10 sec . if height of each steps is 15 m . find its power
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Given mass of body (m)=50kg
h=45×15=675cm=6.75m
t=9s δ=10m
Potential energy =mgh
=(50×10×6.75)5
=33755
Power of the body =
Time
Potentialenergy
=
9
3375
=375W
h=45×15=675cm=6.75m
t=9s δ=10m
Potential energy =mgh
=(50×10×6.75)5
=33755
Power of the body =
Time
Potentialenergy
=
9
3375
=375W
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