lecture9 - Physics 231 Lecture 9 Impulses forces that last...

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Physics 231 Lecture 9 Impulses: forces that last a short time Momentum: Impulse-Momentum theorem: ( ) i f m m v v v p t F = Δ = Δ = Δ v p m = Main points of this lect. Momentum conservation: Totally inelastic collisions tot,f 1,f 2,f 1,i 2,i tot,i + = + p p p p p p ( ) ( ) f 1 1 2 2 1 2 v m m m m = + + v v
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