Physics, 18.08.2020 14:01 kid1431

A blue train of mass 50 kg moves at 4 m/s toward a green train of 30 kg initially at rest. The trains collide. After the collision the green train moves with a speed of 3 m/s. What is the final momentum of the green train? A. 90 kgm/s B. 20 kgm/s C. 200 kgm/s D. 110 kgm/s

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A blue train of mass 50 kg moves at 4 m/s toward a green train of 30 kg initially at rest. The train...

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