10-03-2016
Physics

contestada

300,000,000 m/s is the speed of: A. only the highest-energy EM waves. B. all types of EM waves traveling in any medium. C. all types of EM waves traveling in a vacuum. D. only EM waves in the visible light part of the spectrum.

Respuesta :

10-03-2016

this is the speed of all em waves travelling in a vacuum

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