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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?
(Unit = m/s)
Remember: right is +, left is -


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 Unit Ms Re class=

Sagot :

use consevation of linear momentum

  • m1v1+m2v2=(M1+M2)V3
  • 281(2.82)+209(-1.72)=(209+281)V2
  • 792.42-359.48=490v3
  • 432.9=490v3
  • V3=0.88m/s