In a head on \"elastic\" collision between two steel spheres of equal mass with

Question

In a head on "elastic" collision between two steel spheres of equal mass with one of the spheres initially at rest, which of the following statements are correct? (Select all that apply.)

-Linear momentum will be conserved in this collision.

-Kinetic energy of the spheres will not be conserved.

-The incoming sphere will exchange its velocity with the stationary sphere and the struck sphere will leave the collision with approximately the same velocity as the entering sphere.

-Each of the spheres will exit the collision with half the initial velocity of the incoming projectile.

Explanation / Answer

Momentum is always conserved in collision
Kinetic energy is consered only in completeley elastic collision
Answers:
-Linear momentum will be conserved in this collision.
-The incoming sphere will exchange its velocity with the stationary sphere and the struck sphere will leave the collision with approximately the same velocity as the entering sphere.

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