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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
Which of the following can travel at the speed of light in a vacuum?
A)   Light, radio waves, X rays, and gamma rays
B)   Only light; all other electromagnetic waves travel slower than the speed of light.
C)   Light, atoms, X rays, and subatomic particles (e.g., electrons)
D)   Light, infrared, ultraviolet, and subatomic particles (e.g., electrons)
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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hyponoticahyponotica
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7 years ago
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staedtler Author
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7 years ago
Grinning Face Exactly what I needed
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