A man of mass 50kg runs up a flight of stairs having a rise of 5m is 4s. a)what is the work done by the man. b) what is the average power developed by the man?
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mass m=50kg
height h=5m
time t=4s
work done W=mgh
5
W=50x5x9.8
W=2450 joules
power P=work done /time
P=2450/4
P=613.6joule/sec
height h=5m
time t=4s
work done W=mgh
5
W=50x5x9.8
W=2450 joules
power P=work done /time
P=2450/4
P=613.6joule/sec
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