What Will Observers in Different Inertial Frames of Reference Always

question 49

Multiple Choice

What will observers in different inertial frames of reference always agree on?

• A) how the speed of light varies with the motion of an observer
• B) the length of the meter, but not the duration of the second
• C) the rate at which each frame is accelerating
• D) the laws of physics
• E) whether events are simultaneous or not

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