A Ball Collides with a Second Ball at Rest

A ball collides with a second ball at rest.After the collision,the first ball comes to rest and the second ball moves off at the speed of the first ball.In this collision

A) total momentum is not conserved.
B) total kinetic energy is not conserved.
C) total momentum is conserved but total kinetic energy is not conserved.
D) total momentum is not conserved but total kinetic energy is conserved.
E) total momentum and total kinetic energy are conserved and the masses are equal.

Correct Answer:

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