Physics, 02.01.2020 11:31 kaylarojascliff

•most of the galaxies in the universe are moving away from
earth. suppose a particular galaxy emits orange light with
a frequency of 5.00 * 1014 hz. if the galaxy is receding
from earth with a speed of 3325 km/s, what is the
frequency of the light when it reaches earth?
• a) 4.945 x 1014 hz
• b) 5.542 1012 hz
• c) 5.055 1014 hz

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