### How much original kinetic energy was lost

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##### Reference no: EM13544811

a 10,000kg railroad car is traveling with an initial speed of 24.0 m/s when it strikes an identical railroad car that is initially at rest. as a result of the collision the cars coupled together. what is initial speed of the coupled cars and how much original kinetic energy was lost in this collision? what are some sources of lost of energy of motion.

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