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Physics, 30.10.2019 00:31 ijinaeiaujah8165

Arailroad car of mass 3.45 ✕ 104 kg moving at 2.60 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) what is the speed of the three coupled cars after the collision? 1.27 incorrect: your answer is incorrect. m/s (b) how much kinetic energy is lost in the collision?

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Arailroad car of mass 3.45 ✕ 104 kg moving at 2.60 m/s collides and couples with two coupled railroa...

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