steffi6384 steffi6384
  • 01-04-2021
  • Physics
contestada

A railroad car of mass 20000 kg and velocity 5.0 m s to the right collides completely elastically in a head on collision with a second car of mass 10000 kg traveling at 1.0 m s to the left and couples to it What fraction of the initial kinetic energy is still retained by the cars after the collision

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glossivecosmetics glossivecosmetics
  • 01-04-2021

Answer:

OMG IM ON THE SAME QUESTION

Explanation:

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