Author Question: How fast would a light beam appear to Einstein if he were traveling in the same direction at 90 of ... (Read 116 times)

Collmarie · **on:** Jul 29, 2018

How fast would a light beam appear to Einstein if he were traveling in the same direction at 90 of the speed of light?

A) 0
B) c
C) 0.1c
D) 1.10c
E) none of the above

Question 2

A postulate of special relativity is that the speed of light

A) like all motion, is relative.
B) for all observers is a constant.
C) both of these
D) neither of these