What is the speed of all fourteen cars after the collision

Reference no: EM13651149

Each railroad car has a mass of 62000 kg. Nine coupled railroad car moving with a speed of 2.8 m/s collide and couples with five other coupled railroad cars moving in the same direction with an initial speed of 1.7 m/s.

What is the speed of all fourteen cars after the collision?

Answer in units of m/s.

Reference no: EM13651149

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