The reference frame in which the speed of light is 3.00 x 108 m/s was called the

Question

The reference frame in which the speed of light is 3.00 x 108 m/s was called the ether. Suppose in June the Earth travels straight into the ether with an orbital speed of 3.0 x 104 m/s. According to classical mechanics, six months later in December the measured speed on Earth of light from a distant star would be

A. the same as in June.

B. 3.0 x 104 m/s faster than in June.

C. 3.0 x 104 m/s slower than in June.

D. 6.0 x 104 m/s faster than in June.

E. 6.0 x 104 m/s slower than in June.

Please explain how you got to the answer!

Explanation / Answer

Answer could be either D or E . It depends on the light ray coming
. Since c'= v+/- c
So delta c'= +/- 2v

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