A. how does the speed of light in a vacuum change when observed from two different frames of reference?
b. which frames of reference must be studied using general relativity?
c. a stationary observer sees a clock on a train that is traveling at nearly the speed of light. describe how the passage of time on this clock compares with the passage of time on an identical clock that the observer is holding. write 2 - 3 sentences explaining your reasoning.
Answers: 2
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