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When a train car traveling at 4 m/s collides with a stationary train car, what happens to the momentum of the first train car?
A. The first train car stops and the second train car stops.
B. The momentum is split between both train cars.
C. The first train car stops and the second train car moves then stops.
D. The first train car stops and its momentum is transferred to the second train car.
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When a train car traveling at 4 m/s collides with a stationary train car, what happens...
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