Science, asked by Jlouie, 4 months ago

What is the speed sound at - 20.°C ?

Answers

Answered by Anonymous

3

Answer:

about 343 metres per second

At 20 °C (68 °F), 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. It depends strongly on temperature as well as the medium through which a sound wave is propagating.

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Answered by 1232295

2

Answer:

About 343 metres per second

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