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# Impacts and linear momentum

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Introduction to momentumImpulse and momentum dodgeball exampleWhat are momentum and impulse?What is conservation of momentum?Bouncing fruit collision exampleMomentum: Ice skater throws a ball2-dimensional momentum problem2-dimensional momentum problem (part 2)What are two dimensional collisions?Force vs. time graphs

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Elastic and inelastic collisionsWhat are elastic and inelastic collisions?Solving elastic collision problems the hard wayDeriving the shortcut to solve elastic collision problemsHow to use the shortcut for solving elastic collisions

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Center of massEquation for center of massWhat is center of mass?