Answer :
Mass of student m = 95kg
Length of tye rope L = 4 m
Time taken t = 3 sec
Power = Work / t
Work = m x g x h = 95 x 4 x 9.81 = 3727.8
Power = 3727.8 / 3 = 1.2 x 10^3 Watts
Length of tye rope L = 4 m
Time taken t = 3 sec
Power = Work / t
Work = m x g x h = 95 x 4 x 9.81 = 3727.8
Power = 3727.8 / 3 = 1.2 x 10^3 Watts