Evaluate the speed of the three coupled cars after collision

Reference no: EM13667142

A railroad car of mass 2.3 x 10⁴ kilogram moving at 4.00 m/s collides and couples with two coupled railroad cars, each of the similar mass as the single car and moving in the similar direction at 1.20 m/s.

(a) Estimate the speed of the three coupled cars after the collision?

m/s

(b) Estimate how much kinetic energy is lost in the collision?

Reference no: EM13667142

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