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equation formula for speed of sound. Therefore for air at T K C F the speed of sound is v sound ms fts mihr. The approximate speed of sound in dry 0 humidity air in metres per second at temperatures near 0 C can be calculated from where is the temperature in degrees Celsius C.
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R u r a r dr a du Eq. The approximate speed of sound in dry 0 humidity air in metres per second at temperatures near 0 C can be calculated from where is the temperature in degrees Celsius C. The above equation relating the speed of a sound wave in air to the temperature provides reasonably accurate speed values for temperatures between 0 and 100.
Therefore speed of sound 31252 ms.
The acoustic velocity can alternatively be expressed with Hooks Law as. The following formula is used to calculate the speed or velocity of a wave. R t x r u 0 displaystyle frac partial rho partial t frac partial partial x rho u0. In an ideal gas see The Kinetic Theory of Gases the equation for the speed of sound is where is the adiabatic index R 831 Jmol K is the gas constant T K is the absolute temperature in kelvins and M is the molecular mass.
