Question

Person does 4000J
of climbing a tree of height 2.5.Find the mass of the person. ​

Answer 1

Explanation:

work done = mgh

4000=m×10×2.5

4000/25=m

160=m

Answer 2

Answer:-

Heyy Mate,

Here is ur answer.

Here, potential energy =4000J

g=9.8m/s²

height=2.5m

Let, the mass of the man be m

So,Potential energy = mgh

or, 4000=m ×9.8×2.5

or, 4000=24.5×m

or, m=163.26530612

or, m=163 Kg

The mass of man is 163 kg

Hope it helps.