|Nov28-10, 07:33 AM||#1|
Special relativity - time dilation
1. The problem statement, all variables and given/known data
Lights are placed at points A and B, which are 100m apart as measured in the rest frame of the earth. As a rocket moving at speed v = 3/5c, passes point A the light turns on. As the rocket passes point B, the second light turns on.
As read on the rockets clock, the time difference between the events was Δtr. Clocks synchronized in the rest frame of the earth measure a time interval Δte between the events.
a) Determine Δte.
b) Determine Δtr using time dilation.
2. Relevant equations
Δte = d/v (where d = 100m)
Δtr = 1/sqrt(1-(v/c)^2)Δte
3. The attempt at a solution
Δte = 5.56 x 10^(-7) s
Δtr = 6.94 x 10^(-7) s
However I'm unsure as to whether I've used the right times for the different values of t.
|Nov28-10, 08:20 PM||#2|
looks good to me, i got the same answers
|dilation, relativity, special, time|
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