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| 0 = 428 N·s/m3, and0 = 331.3 m/s 15 = 417 N·s/m3, and15 = 340 m/s 20 = 413 N·s/m3, and20 = 343 m/s 25 = 410 N·s/m3, and25 = 346 m/s |
| is determined by the air itself and is not dependent upon the,. |
| is 343 meters per second (m/s). This also equates to 1235 km/h, 1125 feet per second (ft/s or fps), 666 knots, 767.3 miles per hour (mi/h or mph), 12.79 miles per minute (mi/min), 0.2131 miles per second (mi/s), That is 0.343 kilometers per second (km/s), or 20.58 kilometers per minute (km/min). |
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Pressure is dependent on temperature and indirectly on altitude. |
| p − 331.3) / 0.6  |
Temperature in °C:ϑ = ( |
| sign. |
| depends on the temperature of air = constant. rho is the densityρ and is the sound pressure. Therefore air pressure does not enter the calculation of the speed of sound of air. |
is independent of the frequency and the amplitude of the sound wave, and the air pressure. But the speed of sound is dependent on the temperature. |
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| in m/s | in ms/m | in kg/m3 | in N·s/m3 | |
and air density are not the same.
In gases, the higher the speed of sound in that medium, the higher the pitch will be, when you sing.
should not be confused withsound particle velocity, which is the velocity of the individual particles.
| sign. |
| sign. |
| is the pascal − symbol: Pa. |
| = (1.4×(287.058 J/K·kg)×(273.15 K))^1/2 = 331.3 m/s, where (kappa) = 1.4 and the specific gas constant for dry air = 287.058 (J/K·kg). The speed of sound in air at20°C can be calculated as = (1.4×(287.058 J/K·kg)×(293.15 K))^1/2 = 343.24 m/s. |
has nothing to do with the frequency, the wavelength, the time duration and thespeed of sound. |
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