Question

What do you understand by the kinetic energy of a body ? A ball mass
200 kg falls from a height of 5m what is its kinetic energy when it just reaches the ground. (g=9.8m/s)

Answer 1

The Energy Which Is Produced In A Body Due To It's Velocity And Mass Is Called Kinetic Energy.
KE=Mgh
=200×5×9.8
=1000×9.8
=980 joule

Answer 2

the energy which is due to it's position is called kinetic energy.
KE == M×G×H
200×9.8×5
=9800j.