Time Dilation

Time Dilation

Suppose now that two events occur at the same place in S’ (so .1x’ = 0) but at different times (so .1(‘ “* 0). Equation 38-22 then reduces to

 

 

This confirms time dilation. Because the two events occur at the same place in S’, the time interval t!.(‘ between them can be measured with a single clock, located at that place. Under these conditions, the measured interval is a proper time interval, and we can label it .1(0′ Thus, Eq. 38-23 becomes

 

which is exactly Eq. 38-9. the time dilation equation.

 

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