| Velocity of Sound |
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Sound is a vibration that travels through an elastic medium as
a wave. The Velocity of Sound describes how much distance such a wave travels in a given amount
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In Dry Air with a temperature of 21 °C (70 °F) the Speed of Sound is 344 m/s (1230 km/h, or 770 mph, or 1130 ft/s).
Although it is commonly used to refer specifically to air, the speed of sound can be measured in virtually any substance.
The Velocity of Sound in liquids and non-porous solids is much higher than that in air.
In the Earth's atmosphere the most important factor affecting the Velocity of Sound is the temperature
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