Physics, 14.09.2019 10:30 preciosakassidy
Suppose that you observe light emitted from a distant star to be at a wavelength of 525 nm. the wavelength of light to an observer on the distant star is 950 nm. what is the velocity of the star relative to you (in units of the speed of light c), and is it moving towards or away from you?
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Suppose that you observe light emitted from a distant star to be at a wavelength of 525 nm. the wave...
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