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AP Physics C: Mechanics/Unit 4 – Linear Momentum
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Coefficient of Restitution and Conserved Energy

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Two objects undergo a partially inelastic collision with a coefficient of restitution of 0.5. What fraction of the initial kinetic energy in the center-of-mass reference frame is conserved?

A

0.125

B

0.25

C

0.75

D

0.5

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