Biology, 01.05.2021 04:10 dominicanaaa

A 13,500 kg railroad freight car travels on a level track at a velocity of 4.5 m/s. It collides and couples with (sticks to) a 25,000 kg second car, initially at rest ( which means its not moving, v = 0 m/s) and with brakes released. What is the velocity of the two cars after their inelastic collision?

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A 13,500 kg railroad freight car travels on a level track at a velocity of 4.5 m/s. It collides and...

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