Question
A railroad car of mass 2.3*10^4 kg moving at 4.00 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) What is the speed of the three coupled cars after the collision?
(b) How much kinetic energy is lost in the collision?
(a) What is the speed of the three coupled cars after the collision?
(b) How much kinetic energy is lost in the collision?
Answers
Anonymous
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