Q. 475.0( 11 Votes )

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)

Answer :

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


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