summaryCh5-9 - Physics 111 Klaus Honscheid Summary Chapters...

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Unformatted text preview: Physics 111 Klaus Honscheid Summary Chapters 5 9 (use at your own risk) Circular Motion Centripetal Acceleration a c = v 2 /r Centripetal Force F = m v 2 /r Minimum velocity for a vertical circle of radius r (remember the water bucket) gr v = Force of Gravity (Newton) 2 2 1 r m m G F = Effective weight (when moving with constant acceleration) W eff = mg +/- ma Satellite Speed in Orbit r GM v Earth = Typical problems: car going around a corner, effective weight in an elevator Linear Momentum v m p r r = In an isolated system, linear momentum is conserved. To change it a net force has to be applied t p F = r r Elastic Collision: kinetic energy is conserved Inelastic Collision: kinetic energy is not conserved. Applications: m 1 v 1 + m 2 v 2 = m 1 v 1 + m 2 v 2 Impulse = total change in momentum t F p = r r Center of Mass 3 2 1 3 3 2 2 1 1 m m m x m x m x m x cm + + + + = Typical problems: Collisions, force during impact....
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This note was uploaded on 12/06/2011 for the course PHYSICS 111&112 taught by Professor Unknown during the Spring '11 term at Ohio State.

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summaryCh5-9 - Physics 111 Klaus Honscheid Summary Chapters...

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