Kinetic Energy Loss in an Inelastic Collision
A 1500 kg car traveling at 20 m/s collides with a 2500 kg truck that is initially at rest. If the collision is perfectly inelastic, what fraction of the initial kinetic energy is lost?
A
0.375 or 37.5%
B
0.625 or 62.5%
C
0.4 or 40%
D
0.75 or 75%
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