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Generally, some of their collective kinetic energy is converted into heat, so the KE after the collision is less than the initial KE. Momentum is conserved.

2006-11-19 05:24:43 · answer #1 · answered by Steve 7 · 0 0

Time and space

2006-11-19 12:55:32 · answer #2 · answered by delrondashton 1 · 0 0

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