Question

a boy has mass 50 kg runs up a staircase of 45 steps in 9 second.if height of each step of staircase is 15cm.find the power of the boy?​

Answer 1

Given:

mass=50 kg

time=9 sec

height=

$45 \times 15 = 675 \: cm$

$6.75 m$

solution=

Answer 2

this is the answer.....