What is the Coefficient of Restitution Between A and B?

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SUMMARY

The coefficient of restitution between two bodies A and B is defined as the ratio of their relative speeds after a collision to their relative speeds before the collision. This concept is crucial in understanding the elasticity of collisions in physics. A value of 1 indicates a perfectly elastic collision, while a value of 0 indicates a perfectly inelastic collision. For further details, refer to the relevant Wikipedia entry on the topic.

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What is "coefficient of restitution between A and B" mean ?
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It's the ratio of two bodies' relative speeds after they collide to what their relative speeds are before they collide. See wikipedia.
 
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