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Physics, 02.07.2019 22:30 mya1318

Aloaded freight car a with a mass of 24000 kg moves at a constant velocity of 8 m/s in a horizontal railroad track and collided with an empty stationary car b with a mass of 8000 kg. after the collision the cars stick to each other and moves like one object. what is the velocity of two cars after the collision?

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