Question

A lady of mass 60 kg up a stair case of 70 steps in 30 sec if the height of each steps is 15cm ,find her power​

Answer 1

Answer:

Explanation:

Total height=no of staircase *height of each staircase

70*15cm=1050cm

Work =mgh

60*9.8*1050

617400 J

Power= work /time

617400/30

20580 W

Answer 2

Answer:

205.8 watts is the power required by the lady