Two particles collide, head-on. They have identical masses, and pre-collision sp

Question

Two particles collide, head-on. They have identical masses, and pre-collision speeds are equal. Their collision is completely elastic. Describe the particles' velocities after the collision. More information is required to determine the final velocities. Both are zero. One of the particles continues with the same velocity, and the other reverses O O direction at twice the speed. The magnitudes of the velocities are the same but the directions are reversed. One of the particles continues with the same velocity, and the other comes to rest.

Explanation / Answer

1) d)The magnitudes of the velocities are the same but the directions are reversed.

beacuse, momentum and kinetic energy both are conserved.

2) c) Both particles have zero velocity

here, momentum only conserved.

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