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 o

Question

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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Thành Đạt 1 year 2021-09-05T02:07:15+00:00 1 Answers 4 views 0

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  1. Answer:

    OMG IM ON THE SAME QUESTION

    Explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )