27.1 Physics 6C Special Relativity

27.1 Physics 6C Special Relativity - Physics 6C Special...

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Unformatted text preview: Physics 6C Special Relativity Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Main Ideas The Postulates of Special Relativity Light travels at the same speed in all inertial reference frames . Laws of physics yield identical results in all inertial reference frames . Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Main Ideas The Postulates of Special Relativity Light travels at the same speed in all inertial reference frames . Laws of physics yield identical results in all inertial reference frames . Inertial reference frames refer to observers moving at constant velocity with respect to each other. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Main Ideas The Postulates of Special Relativity Light travels at the same speed in all inertial reference frames . Laws of physics yield identical results in all inertial reference frames . Inertial reference frames refer to observers moving at constant velocity with respect to each other. If there is a nonzero acceleration, the frames are not inertial, and we would need to use General Relativity. Way too much math for this course sorry Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Main Ideas The Postulates of Special Relativity Light travels at the same speed in all inertial reference frames . Laws of physics yield identical results in all inertial reference frames . Inertial reference frames refer to observers moving at constant velocity with respect to each other. If there is a nonzero acceleration, the frames are not inertial, and we would need to use General Relativity. Way too much math for this course sorry The relationship between what is seen in the two reference frames is found via the Lorentz Transformation. We will see the following factor in all of our equations: 2 2 c v 1 1- = Here v is the relative speed of the frames, and c is the speed of light. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB The main results of Special Relativity are the following: 1) Time Dilation - if an object is moving, an observer will measure times to be longer (compared to the frame of the object itself) c v t t 1 t t 2 2 = - = t refers to the object at rest in its own frame Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB The main results of Special Relativity are the following: 1) Time Dilation - if an object is moving, an observer will measure times to be longer...
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27.1 Physics 6C Special Relativity - Physics 6C Special...

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