How fast would a star have to be moving so that the frequency of light we receive from it is 10 percent higher than the frequency of the light is it emitting? Assume the star is moving either directly away from us or directly toward us.
A. 1.00 x 10^1 m/s
B. 3.00 x 10^1 m/s
C. 3.00 x 10^7 m/s
D. 1.11 x 10^8 m/s
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