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Unformatted text preview: O B A O B A a) Relative to observer at O the two light signals reach him at the same time. Since the light signals traveled at the same speed over equal distances, he concludes that the two events at A and B occurred simultaneous. b) Relative to observer at O the light signals reach him at different times. Since he is at the midpoint he observes that the light signals must take the same time to reach him because both light signals travel at the same speed over equal distances. Since the light signals do not reach him at the same time, he concludes that they were NOT simultaneous. IN GERERAL, TWO EVENTS THAT ARE SIMULTANEOUNS IN ONE INERTIAL REFERENCE FRAME ARE NOT SIMULTANEOUS IN A SECOND INERTIAL RF MOVING AT CONSTANT VELOCITY RELATIVE TO THE FIRST!!!...
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