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OpenStudy (anonymous):
Help please in a hurry! A billiard ball with a momentum of 20kg * m/s strikes a second ball at rest and comes to a complete stop. What is the change in momentum of the second ball?
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OpenStudy (agent0smith):
If the first ball comes to a complete stop, then the second ball must have absorbed all of its momentum (conservation of momentum).
OpenStudy (anonymous):
So the momentum of the second ball would be 20kg *m/s?
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