Physics, 01.07.2019 05:30 darkghostmist
Which statement describes the speed of electromagnetic waves? their speed in a vacuum is subject to forces. their speed in a vacuum is a constant value. their speed in a vacuum decreases with distance. their speed in a vacuum is subject to an observer’s motion.
Answers: 1
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Which statement describes the speed of electromagnetic waves? their speed in a vacuum is subject to...
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