What fraction of initial kinetic energy is lost in collision

Reference no: EM13978210

Croquet ball A moving at 7.9m/s makes a head on collision with ball B of equal mass and initially at rest. Immediately after the collision ball B moves forward at 6.5m/s .

What fraction of the initial kinetic energy is lost in the collision? Express your answer using two significant figures.

Reference no: EM13978210

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