World Science Scholars
21.2 Coordinates in Motion

This demonstration shows how clocks may be synchronized in one frame but out of synchronization in another. The buttons allow you select one of two reference frames, Frame A or Frame B, as the rest frame from your perspective. Use the slider to set both frames in relative motion and then compare clock readings. Notice that the farther a clock is from the origin in the moving reference frame, and the greater the relative speed, the larger the time difference.


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