Lec17 - Lecture 17 Monday Chapter 8 Momentum Impulse and...

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Lecture 17 Monday 10/5/09 Chapter 8: Momentum, Impulse, and Collisions Momentum of a particle: Impulse exerted on a particle: Impulse-Momentum Theorem : Principle of Conservation of Momentum for a system of particles F net = d p / dt K = p 2 / (2 m ) ± p = m ± v ± J = ± F net t 1 t 2 ± dt ± ± p = ± J ± P = ± p i i ± If ± F net ext = 0, then ± P is conserved
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