A man of mass 50 kg run up a flight of stairs having a rise of 5m,is 4s.A)what is work done by the man? B)what is average power developed by the man?
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6
AVG power=total work done/time taken
=Mgh/t
=50*10*5/4
=625joule/s
=Mgh/t
=50*10*5/4
=625joule/s
Answered by
7
work done - f×s
then f-50×10-500N
so W.D - 500×5 = 2500J
average power= W.D/TIME
THEREFORE = 2500/4 = 625 WATT
then f-50×10-500N
so W.D - 500×5 = 2500J
average power= W.D/TIME
THEREFORE = 2500/4 = 625 WATT
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