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Speed of sound
physics
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Speed of sound

physics

Speed of sound, speed at which sound waves propagate through different materials. In particular, for dry air at a temperature of 0 °C (32 °F), the modern value for the speed of sound is 331.29 metres (1,086.9 feet) per second. The speed of sound in liquid water at 8 °C (46 °F) is about 1,439 metres (4,721 feet) per second.

Acoustics
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acoustics: Measuring the speed of sound
Once it was recognized that sound is in fact a wave, measurement of the speed of sound became a serious goal. In the 17th century, the French…
This article was most recently revised and updated by Adam Augustyn, Managing Editor.
Speed of sound
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