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Unformatted text preview: v m p = cm net a m dt p d F = = âˆ« =f i t t f f dt t F p p ) ( Momentum Relation of force to momentum Impulse i n i i total cm r m M r âˆ‘ = = 1 1 n n cm total v m v m v m v M ..... 2 2 1 1 + + = n n cm total a m a m a m a M .... 2 2 1 1 + + = Conservation of momentum In the absence of external forces momentum is conserved. dt p d F = Elastic collisions â€“ both kinetic energy and momentum are conserved i f v m m m m v 1 2 1 2 1 1 += i f v m m m v 1 2 1 1 2 2 + = i f p p = i n i i total com r m M r âˆ‘ = 1 Center of mass Conservation of linear momentum Collisions â€“ No external forces, Momentum is conserved Elastic (energy is conserved for colliding objects) Inelastic (energy is not conserved for colliding objects) Elastic collisions in 1D i f v m m m m v 1 2 1 2 1 1 += i f v m m m v 1 2 1 1 2 2 + =...
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 Spring '08
 LaurentMuehleisen
 Conservation Of Energy, Energy, Force, Momentum, Potential Energy, Work

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