Question

What is the speed of light​

Answer 1

Explanation:

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.

1. Astronomical units per day: 173
2. Miles per second: 186000
3. Metres per second: 299792458
4. Miles per hour: 671000000
5. Kilometres per hour: 1080000000
6. Parsecs per year: 0.307
7. From Sun to Earth (1 AU): 8.3 min

Answer 2

Explanation:

the speed of light 3x10⁸m/s

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