38 - Special Relativity II

38 - Special Relativity II - Physics 212 Fall 2009...

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Physics 212 Fall 2009 12/02/2009 Special Relativity II Relativity in Practice Special Relativity - Clock on satellite is slower that stationary ground clock by 7 μ s/day General Relativity - Clock on satellite is faster that stationary ground clock by 45 μ s/day 38 μ s/day difference (if uncorrected) translates to a large positional difference!
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Special Relativity Observation of events in coordinate systems DeFne observer, event Synchronization of clocks Simultaneity Time Dilation Length Contraction Velocity Addition Paradoxes Implications Newton’s Laws, Maxwell’s Equations General Relativity
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Summary 1. The laws of physics are the same for observers in all inertial frames. No one frame is preferred. 2. The speed of light in a vacuum has the same value c in all directions and in all inertial reference frames. Einstein’s Postulates of Special Relativity Light is Special Oscillations (of E & B) in time and space produce the propagation of an E&M wave (via Maxwell’s Equations) If we could transform to a system (via relative motion) where the wave was at rest - it would cease to exist -- no propagation - no oscillations -- The time interval between two events depends on how far apart they occur in both space and time; that is their spatial and temporal separations are entangled.
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This note was uploaded on 10/03/2011 for the course PHYS 221 taught by Professor Tedeschi during the Fall '09 term at South Carolina.

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38 - Special Relativity II - Physics 212 Fall 2009...

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