Question

velocity of sound in air is about​

Answer 1

Answer:

The speed of sound in air is about 343 metres per second.

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Explanation:

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Answer 2

Answer:

the speed of sound in air is about 343 metres per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a kilometre in 2.9 s or a mile in 4.7 s.

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Explanation:

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