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)

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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