11. Momentum & Impulse
Completely Inelastic Collisions
Problem 9.41
Textbook Question
Textbook Question(II) Croquet ball A moving at 4.3 m/s makes a head-on collision with ball B of equal mass initially at rest. Immediately after the collision, ball B moves forward at 3.0 m/s. What fraction of the initial kinetic energy is lost in the collision?
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