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Absolute light speed or velocity or both? 
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#1
May2210, 09:44 AM

P: 108

Consider an inverse of Einstein's light clock. On a cartesian plane in a vacuum, a beam of light emanates from the origin at 45 degrees with velocity c. Is it OK that the x and y component velocities are each less than c (i.e. c divided by sqrt 2) or must time adjust to make component velocities also c?



#2
May2210, 10:14 AM

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#3
May2210, 11:07 AM

P: 108




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