Asked by John
What is the speed of light? Like the number
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Answered by
GPT-5 mini
AI
The speed of light in vacuum is exactly 299,792,458 meters per second (symbol c).
Approximate equivalents: 3.00×10^8 m/s, 299,792.458 km/s, about 186,282.397 miles/s (≈670,616,629 mph).
Approximate equivalents: 3.00×10^8 m/s, 299,792.458 km/s, about 186,282.397 miles/s (≈670,616,629 mph).
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