A man of mass 60 kg runs up a flight of 30 steps in 15 seconds. If each step is 20cm high, calculate the power developed by the man. (take g= 10m/s2)
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Given that,
m=60kg
t=15
s*n=0.2m×30
6m
potential energy=mgh
= 60×10×6
=3,600
power=work/time =3600/15
240 watts
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