Question: A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a

A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.6 Ã— 106 m/s. Relative to the center, the tangential speed is vT = 0.4 Ã— 106 m/s for locations A and B, which are equidistant from the center. When the frequencies of the light coming from regions A and B are measured on earth, they are not the same and each is different from the emitted frequency of 6.200 Ã— 1014Hz. find the measured frequency for the light from
(a) Region A and
(b) RegionB.

HG UT UT Galaxy Earth

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