Kinetic Energy in an Elastic Collision
A 0.5 kg ball traveling at 4.0 m/s collides elastically with a 1.5 kg ball traveling at 2.0 m/s in the same direction. After the collision, what percentage of the system’s initial total kinetic energy is possessed by the 0.5 kg ball?
A
75%
B
12.5%
C
50%
D
3.6%
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