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Unformatted text preview: 91 What Is Physics? 92 The Center of Mass93 Newton’s Second Law for a System of Particles94 Linear Momentum95 The Linear Momentum of a System of Particles96 Collision and Impulse97 Conservation of Linear Momentum98 Momentum and Kinetic Energy in Collisions99 Inelastic Collisions in One Dimension910 Elastic Collisions in One Dimension911 Collisions in Two Dimensions912 Systems with Varying Mass: A RocketChapter 9:Center of Mass and Linear MomentumChapter 9 Homework1, 3, 10, 14, 18, 23, 36, 44, 49, 53, 60, 63Center of Mass∑=iirmMr1comThe center of mass(com) of a system of particles is the average of their positions weighted by their masses.∑=imMSystem of ParticlesdmrMr∫=1com∫=dmMSolid BodiesdVrVr∫=1comUniform Solid Bodies(Geometric Center)ExamplesExamples: System of ParticlesSample Problem 92: Solid BodySample Problem 91Newton’s 2ndLaw for a System of ParticlesSample Problem 93A system of particles moves as though (1) all of the...
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 Fall '08
 Chen
 Center Of Mass, Force, Mass, Momentum

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