Obtain what the speed of three coupled cars after collision

Reference no: EM13668585

A railroad car of mass 2.3 x 10⁴ kilogram moving at 3.00 m/s collides and couples with two coupled railroad cars, each of the equal mass as the single car and moving in the similar direction at 1.20 m/s.

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

m/s

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

Reference no: EM13668585

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