If the total momentum for a system is the same before and after the collision, we say that momentum is conserved. if momentum were conserved, what would be the ratio of the total momentum after the collision to the total momentum before the collision?

Ratio = 1:1

Explanation:

= initial momentum of the system

= final momentum of the system

For the momentum to be conserved , final total momentum must be equal to initial total momentum, so we have

Dividing both side by , we get

hence

Ratio = 1

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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the word that best describes martin luther king jr.'s tone in the video is dignified

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