How much is the mass of a man if he has to do 2500 joules of work is climbing a tree 5 m tall? (g = 10 m s2)
Given:
Work done in climbing, w = 2500J
Acceleration due to gravity (g) = 10m/s2
Height above the ground = 5m
We know,
W = mgh
= 2500/10 × 5
=50Kg
Hence, Mass of the man = 50 kg