What is the initial momentum of the first train car

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A train car with mass m1 = 594.0 kg is moving to the right with a speed of v1 = 7.4 m/s and collides with a second train car. The two cars latch together during the collision and then move off to the right at vf = 4.7 m/s.

1) What is the initial momentum of the first train car?

2) What is the mass of the second train car?

3) What is the change in kinetic energy of the two train system during the collision?

Reference no: EM13542516

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