Question

A girl of mass 60kg runs up a flight of 20 steps each of 0.5m high in 10 secs. Find the average power developed [g=10m/s²]

Answer 1

Answer:

P = W/t

Here,

W= F*s

= mgh= 60*10*20*0.5 = 6000 N-m

So,

P= 6000/10 = 600

Answer 2

Your answer is in the attachment