How much kinetic energy is lost in the collision

Reference no: EM13665285

A railroad car of mass 2.40 multiplied by 10⁴ kg moving at 2.50 m/s collides and couples with two coupled railroad cars, each of the similar mass as the single car and moving in the same direction at1.20 m/s.

1) How much kinetic energy is lost in the collision?

2) What is the speed of the three coupled cars after the collision?

Reference no: EM13665285

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