# Momentum, velocity, and kinetic energy of the system after a collision

A 0.4kg ball moving with speed of 3m/sec collides with a 0.6kg mass initially at rest. If the two particles stick together during the collision, find the momentum, velocity, and kinetic energy of the system after the collision.

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#### Solution Preview

First of all it is helpful to list the known information as this will lead us to what equations we should use to answer the question.

For the first ball we have:

m1 = 0.4kg

v1 = 3 m/w

For the second ...

#### Solution Summary

The solution provides clear explanations of the process of solving the problem.

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