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February 22, 2026, 03:46:02 am
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Author Topic: Impulse conservation  (Read 538 times)  Share 

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kenhung123

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Impulse conservation
« on: June 05, 2010, 02:03:23 pm »
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Apparently, when A collides B then the momentum is transferred from A to B. So essentially, Pi=Pf, however the Impulse of B is in the opposite direction to impulse of A? I don't understand that
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Blakhitman

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Re: Impulse conservation
« Reply #1 on: June 05, 2010, 02:18:21 pm »
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So B is stationary initially right?

Impulse is change in momentum, impulse of A is , so it's gonna be negative (assuming right is positive) because will be less than . Impulse of B is also , it's gonna be positive because and , so yeah they're in opposite directions.
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