what is the speed of sound
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speed of sound in dry air at 20 °C =
343 m / s
343 m / s
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The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium. In dry air at 0 °C, the speed of sound is 331.2 metres per second. ... The speed of sound in an ideal gas depends only on its temperature and composition
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it is not 331but it is 343
at 20°c it is 343
but at 0°c it is 331.2
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