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3x10^8 m/s or 186,200 miles per second
The same as speed of light in vacuum, which is one case of electromagnetic radiation, i.e. 299792458 m/s

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Sigurd Nolan

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2y ago
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6y ago

3x10^8 m/s or 186,200 miles per second
The same as speed of light in vacuum, which is one case of electromagnetic radiation, i.e. 299792458 m/s

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8y ago

299,792,458 meters per second- or about 186,000 miles per second.

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Q: What is the speed of electromagnetic waves (in a vacuum)?
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The speed of an electromagnetic wave is?

In a vacuum, all electromagnetic waves have the same speed: about 300,000 kilometers per second.In a vacuum, all electromagnetic waves have the same speed: about 300,000 kilometers per second.In a vacuum, all electromagnetic waves have the same speed: about 300,000 kilometers per second.In a vacuum, all electromagnetic waves have the same speed: about 300,000 kilometers per second.


How do you know the speed of an electromagnetic wave in a vacuum?

The speed of electromagnetic waves in a vacuum is the same as the speed of light (which is, in itself an electromagnetic wave). It can be measured by finding the frequency and wavelength of two different waves, and then by that correlation, the speed of the waveform.


What is it that all electromagnetic waves do the same?

All electromagnetic waves travel at the same speed in a vacuum -- the speed of light.


How do you know the speed of an electromagnetic wave in vacuum?

The speed of electromagnetic waves in a vacuum is the same as the speed of light (which is, in itself an electromagnetic wave). It can be measured by finding the frequency and wavelength of two different waves, and then by that correlation, the speed of the waveform.


How do you know the speed of a electromagnetic wave in a vacuum?

The speed of electromagnetic waves in a vacuum is the same as the speed of light (which is, in itself an electromagnetic wave). It can be measured by finding the frequency and wavelength of two different waves, and then by that correlation, the speed of the waveform.


Which property do all electromagnetic waves have in vacuums?

All electromagnetic waves travel at the speed of light in a vacuum.


Do electromagnetic waves move in a vacuum?

yes, at 'c' the speed of light in a vacuum.


Is the speed in vacuum of all electromagnetic waves the same?

Yes, it is.


Describe the speed of the various electromagnetic waves in a vacuum?

c


What travels at a speed of light?

All electromagnetic waves in a vacuum.


Do electromagnetic waves travel at the same speed in a vacuum?

Yes. The light is an example of a electromagnetic wave and its speed is constant.


Do electromagnetic waves travel at the same speed as a vacuum?

They travel faster