Question
4. What relationship
between the speed of each
car and its motion after the
collision do you observe?
How do Newton's laws
help explain your
observations?
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Answer
The speed of each car after the collision is equal to the sum of their individual speeds before the collision. Newton's laws of motion explain this observation by stating that the total momentum of a system remains constant, meaning that the momentum of the two cars before the collision must be equal to the momentum of the two cars after the collision.