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The speed of sound varies depending on the temperature, pressure, and density of the medium through which the sound waves travel. For dry air at sea level at 68° F, the speed of sound is 767 miles per hour, or 1235 km/h

Speed of sound - Wikipedia


The speed of sound is the distance travelled per unit time by a sound wave as it propagates ..... on the assumption that the wavelength of the sound in the gas is much longer than the average mean f...

Speed of Sound - HyperPhysics


This calculation is usually accurate enough for dry air, but for great precision one must examine the more general relationship for sound speed in gases.

Speed of Sound - HyperPhysics


The speed of sound in an ideal gas is given by the relationship ... For air, the adiabatic constant γ = 1.4 and the average molecular mass for dry air is 28.95 ...

Temperature and the Speed of Sound - NDE/NDT Resource Center


v is the speed of sound and T is the temperature of the air. One thing to keep in mind is that this formula finds the average speed of sound for any given ...

Calculating the speed of sound - Utah Science


For example the average speed of sound in air is 340 m/s but in water almost 5 times, 1498 m/s. See the chart for sound waves in other mediums. (What is a ...

Speed of Sound in Air - Physics


The ideal gas model predicts that the speed of sound in a pure gas will be ... ideal gas, an appropriate average for the speed of molecules in the gas, is given by ...

Speed of Sound in Water - The Physics Factbook - Hypertextbook


Bibliographic Entry, Result (w/surrounding text), Standardized Result. Cutnell, John D. & Kenneth W. Johnson. Physics. New York: Wiley, 1997: 468. "Speed of  ...

How fast does sound travel? - Indiana University Bloomington


The speed at which sound propagates (or travels from its source) is directly influenced by ... Sound in 20° C water travels an average of 1482 m/s, while sound in ...

Speed of sound in air temperature barometric pressure calculator ...


Speed of sound temperature air no barometric pressure calculation temperature changing temp air ... The average air pressure at sea level is 101325 Pa.