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Space and time events

 
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Oct13-06, 10:04 PM   #1
 

Space and time events


hi, wondering if anyone could give me a little help with this question

The space and time coordinates of two events are measured in frame S to be:

Event 1: x1 = L, t1 = L/c

Event 2: x2 = 2L, t2 = L/2c

(a) find the velocity of a frame S' in which both events occur at the same time?

(b) What is the time t' that both events occur in S'?

thanks
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Oct14-06, 02:54 AM   #2
 
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Write t_1'=gamma(t_1-vx_1/c^2), and equate that to the same equation for
t_2'. Then, solve for v.
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