Amy (150 lbs) and Gwen (50 lbs) are standing on slippery ice and push - ProProfs Discuss
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Amy (150 lbs) and Gwen (50 lbs) are standing on slippery ice and push off each other. If Amy slides at 6 m/s, what speed does Gwen have?

This question is part of Unit 4 Concepts Quiz
Asked by Jkeslin, Last updated: Sep 09, 2020

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jkeslin

jkeslin

jkeslin
Jkeslin

Answered May 30, 2019

18 m/s

The initial momentum is zero, so the momenta of Amy and Gwen must be equal and opposite. Since p = mv, then if Amy has 3 times more mass, we see that Gwen must have 3 times more speed.
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