Physics

14 March, 09:18

A moving train car collides with another train car that is motionless on the track. The train cars are the same size. How does the final momentum of the two cars compare to the momentum of the first car?

a. Momentum is doubled. b. It is zero.

b. It is zero

c. They are both added together Md. It is half the beginning value.

d. It is half the beginning value.

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