The frequency of light reaching Earth from a
particular galaxy is 16% lower than the
frequency the...
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Physics
The frequency of light reaching Earth from aparticular galaxy is 16% lower than thefrequency the light had when it was emitted.
(b) What is the speed of this galaxy relativeto the Earth? Give your answer as a fraction of the speed oflight. c
If you could show your work as well that'd beawesome! Thank you!
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As far as the speed of the galaxy is concerned we can find this by using the first equation again c LF Now we replace L by CL and F by 016 F This will tell us what we
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