Question

what is the speed of 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.

Astronomical units per day: 173

Miles per second: 186000

Miles per hour: 671000000

Metres per second: 299792458

Parsecs per year: 0.307

Kilometres per hour: 1080000000

From Sun to Earth (1 AU): 8.3 min

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)