Question

what is the measure of a speed of a light

Answer 1

Answer:

The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second (approximately 300000 km/s, or 186000 mi/s).

Metres per second: 299792458

Miles per second: 186000

Distance: Time

One light year: 1.0 year

Explanation:

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Answer 2

The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second (approximately 300000 km/s, or 186000 mi/s).

Metres per second: 299792458

One light year: 1.0 year

Miles per second: 186000

Distance: Time

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