# Collision

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An object of mass 2 kg travelling in a straight line with a velocity of 20m/sec collides with, and strikes to, a stationary object of mass 3 kg. They both move off together in the same straight line with a velocity of v m/sec. If no external forces are acting calculate

a. the total momentum just before the impact

b. the total momentum just after the impact

c. the velocity v.

https://brainmass.com/physics/conservation-of-momentum/collision-9981

#### Solution Preview

Momentum of the system = m1 * v1 + m2 * v2.

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<br>The total momentum just before the impact:

<br>Momentum of the 2 kg mass is 2 kg * 20 ...

#### Solution Summary

This solution calculates the momentum and velocity of two colliding objects.

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