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Kinetic Energy: the Coefficient of the Restitution of an Object

Question 105

Multiple Choice

Kinetic energy: The coefficient of the restitution of an object is defined as the ratio of its outgoing to incoming speed when the object collides with a rigid surface. For an object with a coefficient of 0.78, what fraction of the object's kinetic energy is lost during a single collision?


A) 39%
B) 16%
C) 47%
D) 61%

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