Coefficient of Restitution -- from Eric Weisstein's World of Physics

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Coefficient of Restitution

The ratio of speed of separation to speed of approach in a collision. In an elastic collision, . For a single moving body

(1)

where is the initial velocity, and is the velocity after the bounce. A basketball has , and a baseball .

Collision, Elastic Collision


© 1996-2007 Eric W. Weisstein

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