An observer moves with velocity v1 c along a straight line In front of him a source of monochromatic light moves with velocity v2 c in the same direction and along the same straight line The proper frequency of light is equal to wo Find the frequency of light registered by the Observer

Question: An observer moves with velocity v1 = c along a straight line. In front of him a source of monochromatic light moves with velocity

An observer moves with velocity v1 = ½ c along a straight line. In front of him a source of monochromatic light moves with velocity v2 = ¾ c in the same direction and along the same straight line. The proper frequency of light is equal to wo. Find the frequency of light registered by the Observer.

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