In an elastic collision between smooth balls :

STATEMENT-1 : In an elastic collision between two balls, the total kinetic energy of the two bodies does not remain conserved during the collision. and STATEMENT-2 : As the balls collide, they compress each other.

STATEMENT-1 : In an elastic collision between two balls, the total kinetic energy of the two bodies does not remain conserved during the collision. and STATEMENT-2 : As the balls collide, they compress each other.

In an elastic collision between two particles

In an elastic collision between two particles