Estimate the speed of the three coupled cars after collision

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Reference no: EM13665490

A railroad car of mass 2.40 x 10⁴ kilogram moving at 3.50 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s.

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

m/s

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

Reference no: EM13665490

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