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# A ball with a mass of  2 kg is rolling at 2 m/s and elastically collides with a resting ball with a mass of 9 kg. What are the post-collision velocities of the balls?

## Question

###### A ball with a mass of  2 kg is rolling at 2 m/s and elastically collides with a resting ball with a mass of 9 kg. What are the post-collision velocities of the balls?
A ball with a mass of  2 kg is rolling at 2 m/s and elastically collides with a resting ball with a mass of 9 kg. What are the post-collision velocities of the balls?

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