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Bumper car A (281 kg) moving +2.82 m/s makes an elastic collision with bumper car B (209 kg) moving +1.72 m/s. What is the velocity of car B after the collision? HELP ASAP!!

Bumper Car A 281 Kg Moving 282 Ms Makes An Elastic Collision With Bumper Car B 209 Kg Moving 172 Ms What Is The Velocity Of Car B After The Collision HELP ASAP class=

Answer :

See attached. I have no clue as to why this answer is getting flagged for inappropriate words or links...

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