The mass m 1 enters from the left with velocity v 0 and strikes a heavier mass,

Question

The mass m1 enters from the left with velocity v0 and strikes a heavier mass, m2 > m1, where  m2 is initially at rest. The collision between the blocks is perfectly elastic. The mass m2 then compresses the spring an amount x. (positive velocities move to the right)

1) Immediately after the collision, the energy of m2 is ...... the initial energy of m1.

A) Greater Than

B) Less Than

C) Equal To

2) Immediately after the collision, the magnitude of the momentum of m2 is ....... the magnitude of the initial momentum of m1.

A) Greater Than

B) Less Than

C) Equal To

Explanation / Answer

1. B. Less than

2. B. Less than

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