Speed of sound

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Revision as of 12:06, 10 February 2011 by Admin (talk | contribs) (New page: <big>Relatively speaking, the speed of sound is 1120 feet per second.</big> In the world of external ballistics, under ICAO (International Civil Aviation Organization) conditions the spee...)
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Relatively speaking, the speed of sound is 1120 feet per second.

In the world of external ballistics, under ICAO (International Civil Aviation Organization) conditions the speed of sound is 1116.5 f/s and under Standard Metro (Army Standard) conditions it is 1120.27 f/s.