KillGorack / Physics 2010 / Two billiard balls have velocities of 2.0 m/s and -1.0 m/s when they meet in an elastic head-on collision. What is the final velocity of the first ball after collision?

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Question Two billiard balls have velocities of 2.0 m/s and -1.0 m/s when they meet in an elastic head-on collision. What is the final velocity of the first ball after collision?
Answer -1.0 m/s

Notes

User	Added	Note	e	d
KillGorack	2023-06-14 21:05:38	Trick here for this question is that in an elastic head on collision we simply swap velocities.