Physics, asked by iripiaanusha, 1 year ago

A boy of mass 1000g climbs up 20 steps each 7 height 20cm in 15 sec.Calculate the work done by the boy and the power developed.

Answers

Answered by amitsmarty909

0

m=01kg

d= 20steps

height of each step= 20cm

total height H= 20*20= 400cm= 4m

g=10m/sec2

w= mgH

w= 1*10*4=40 jule

power P = w/t

P= 40/15= W

P= 2.66W

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