Two railroad freight cars with masses 100 and 150 approach, Physics

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Two railroad freight cars with masses 100 and 150 approach

Two railroad freight cars with masses 100 and 150 approach with equal speeds of 0.300 . They collide, the lighter car rebounding opposite its original direction at 0.280 .

A) Find the velocity of the heavier car after the collision. Assume the original direction of the lighter car is positive.

B) What fraction of the original kinetic energy was lost in this inelastic collision?

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Physics: Two railroad freight cars with masses 100 and 150 approach

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Physics: Two railroad freight cars with masses 100 and 150 approach

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