1) Is it possible, knowing the velocities and masses of the objects after the co

Question

1) Is it possible, knowing the velocities and masses of the objects after the collision to determine, uniquely, what the motion of the objects were prior to the collision? If not, how much more do you need to know?

2)Conversely, would you have enough information prior to the collision (knowing both initial velocities and masses) to definitively determine how the balls will move after the collision? If not, how much more do you need to know?

3)Why is this different from what you can tell prior to an inelastic collision?

Explanation / Answer

1. We need to know coefficient of elasticity
2. Coefficient of elasticity
3. Inelastic collision have coefficient of elasticity =0

Comment if u need further explanation

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