Question

A railroad car of mass 2.49 x 104 kg is moving with a speed of 3.86 m/s. It collides and couples with three other coupled rai

need an expert to provide me a correct and legible solution for the problem above. thank you will up-vote is satisfactory

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Answer #1

M = 2.49 x104 kg Vm= 3.86. ms Vzm = 1.93 m.si 3M Initial 4M final • Conservation Pi = Pf of line ar momentum → → MxVm + 3M xV

34785.25 J energy is lost.

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