Physics, 24.11.2021 19:00, datskash

A 25-tons freight car ran into another freight car of the same mass. The first moves at 2.7m/s and the second moved towards the first at the speed 0.5 m/s. If the cars were coupled. together after the collision, what was their final speed?

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A 25-tons freight car ran into another freight car of the same mass. The first moves at 2.7m/s and t...