a man weighting 500 N carried a load of 100N up a flight of stairs 4m hight in 5sec. what is power
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Answered by
2
Here power spent =100*500/5=50000/5=10000
but I have a doubt in this problem it is whether should we add gravity to it since he climbs up..
but I have a doubt in this problem it is whether should we add gravity to it since he climbs up..
evils:
we add gravity
i did that in exam and marks was not awarded for me!
Answered by
4
P=work/time
Work=mgh
P=mgh/t
P=100×10×4/5
P=4000/5
P=800
Work=mgh
P=mgh/t
P=100×10×4/5
P=4000/5
P=800
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