# Billard ball collision

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A stationary billiard ball, mass 0.17 kg, is struck by an identical ball moving at 4.1 m/s. After the collision, the second ball moves off at 60Â° to the left of its original direction. The stationary ball moves off at 30Â° to the right of the moving ball's original direction. What is the speed of each ball after the collision?

final speed of initially stationary ball

m/s

final speed of initially moving ball

m/s

https://brainmass.com/physics/conservation-of-momentum/billiard-ball-collision-282259

#### Solution Preview

Please refer to the attached file.

In the attached file, you can view the equations better and you can also see two diagrams showing the path of the two billiard balls.

Let v1 be the final speed of the initial ...

#### Solution Summary

This solution helps explore how to find the final velocities of two billiard balls after collision.

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