Which statement is correct? select one:
a. light, in a vacuum, travels at the same speed ev...
Which statement is correct? select one:
a. light, in a vacuum, travels at the same speed even if the light source is moving. b. light given off from a moving source will travel faster in a vacuum.
c. light given off from a moving source will travel faster in air.
d. light, in a vacuum, travels slower if the light source is moving.
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