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What is coefficient of restitution ?

What is coefficient of restitution ?

Grade:Upto college level

2 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
Thecoefficient of restitution(COR) of two colliding objects is typically a positivereal numberbetween 0.0 and 1.0 representing the ratio of speeds after and before an impact, taken along the line of the impact. Pairs of objects with COR = 1 collideelastically, while objects with COR < 1 collideinelastically. For a COR = 0, the objects effectively "stop" at the collision, not bouncing at all. An object (singular) is often described as having a coefficient of restitution as if it were an intrinsic property without reference to a second object, in this case the definition is assumed to be with respect to collisions with a perfectly rigid and elastic object. The Coefficient of Restitution is equal to the Relative Speed After Collision divided by the Relative Speed Before Collision.
Gavvala Ganesh
551 Points
8 years ago
Thecoefficient of restitution(COR) of two colliding objects is typically a positivereal numberbetween 0.0 and 1.0 representing the ratio of speeds after and before an impact, taken along the line of the impact. Pairs of objects with COR = 1 collideelastically, while objects with COR

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