Question

I NEED CORRECT ANSWER.
A body of mass 10 kg is kept at a height of 5 m. It is allowed to fall and reach the ground.
(i)What is the total mechanical energy possessed by the body at the height of 2 m assuming it is a frictionless medium.
(i)What is the kinetic energy possessed by the body just before hitting the ground? Take g=10m/s2.

Answer 1

1) 300j

2)500j

This is what i think is the answer however , i got the first one as 200j in exam today