A spaceship heads away from earth at 020c the ship beams
A spaceship heads away from earth at 0.20C. The ship beams 400 nm light towards Earth. The light strikes a mirror on Earth and is reflected back to the ship.
Obtain the wavelength of light received by the ship?
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a spaceship heads away from earth at 020c the ship beams 400 nm light towards earth the light strikes a mirror on earth
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