A railroad car of mass 246 multiplygif 104 kg is moving


A railroad car of mass 2.46 multiply.gif 104 kg, is moving with a speed of 4.13 m/s. It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed of 2.07 m/s.

(a) What is the speed of the four cars after the collision?

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Physics: A railroad car of mass 246 multiplygif 104 kg is moving
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