Two Equal Masses Travel in Opposite Directions with Equal Speeds

Multiple Choice

Two equal masses travel in opposite directions with equal speeds.They collide in a collision that is between elastic and inelastic.Just after the collision,their velocities are

A) zero.
B) equal to their original velocities.
C) equal in magnitude but opposite in direction to their original velocities.
D) less in magnitude and in the same direction as their original velocities.
E) less in magnitude and opposite in direction to their original velocities.