Physics, 03.04.2020 03:05, kbows12

A 15000kg railroad freight car travels on a level track at a speed of 2.5m/s. It collided and coupled with a 25000kg second car, initially at rest with brakes released. What is the speed of the two cars coupled together after collision?

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A 15000kg railroad freight car travels on a level track at a speed of 2.5m/s. It collided and couple...

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