Physics
posted by britney .
A deep space probe moves away from the earth with a speed of 0.75c. An antenna on the probe requires 3.00s probe time to rotate through 1 revolution. How much time is required for 1.00 rev according to an observer on Earth?

β =0.75
t = tₒ/sqrt(1β²) =
= 3/sqrt(10.75²) =4.54 s.
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