# Two bodies of equal mass m collide and stick together. The quantities that always have equal magnitude for bothmasses during the collision area. their changes in momentumb. the force each exerts on the other.c. their changes in kinetic energy.d. all of the above.e. only (a) and (b) above.

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Asked Mar 31, 2019
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## Expert Answer

Step 1

The change in momentum is having equal magnitude and oppositely directed.

Step 2

The forces are obeying Newton’s third law. So, the forces are equal and opposite.

The collision is inelastic collision. Thus, there will be loss in kinetic energy.

Step 3

Thus, only (a) and (b) a...

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### Collisions

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