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Physics, 17.05.2021 15:50 bnvghnbbb

A 15,000 kg railroad freight car travels on a level track at a speed of 2.5 m/s. It collides and couples with a 25,000 kg second car, initially at rest and with brakes released. What is the speed of the two cars coupled together after collision?

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A 15,000 kg railroad freight car travels on a level track at a speed of 2.5 m/s. It collides and cou...

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