Question

An athlete runs over a certain distance before taking a long jump, because due to this
(1) his mass gets decreased, so he can jump over a long distance
(2) he gains inertia of motion, so he can take a longer jump
(3) he gets the power of God, so he can take a longer jump
(4) he follows law of conservation of kinetic energy
​

Answer 1

The answer is (2)...
Hope it helps u...

Answer 2

I think the answer is (1)