a 50 Newton girl run up a stair case of 50 steps each 15 cm is 5 seconds find work done against gravity and what power is she running
Answers
Answered by
1
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
Answered by
3
Answer:
Explanation:
Given that,
Mass of boy, m=50kg
Potential energy at a height of 45 steps , P=mgh=50×10×45×0.15=3375J
Time taken to climb 45 steps , t=9secs
Power of boy =
t
P
=
9
3375
=375 W
may it helps you ✅✅
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