Exactly how fast is the speed of light and sound?
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The speed of light is much faster than the speed of sound. Sound moves at 343 metres per second (thats about 770 miles per hour!) The speed of light is a little trickier. In a vacuum it is roughly 300 000 000 metres per second (so nearly 900 000 times faster than sound!)
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Answer:
the speed of light is much faster than speed of sound . sound moves at 343 m/ sec
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