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what is the formula for the speed of sound. The formula for speed of sound is given with respect to gases. The well known formula to calculate the acoustic impedance is ZpV pdensity Vacoustic velocity.
The formula for speed of sound is. Enter your air temp and choose your units. Mathematically c sqrtfracgamma times Prho.
Temperature T 276 K.
C 143000 0043. C 331 06 x C 343 ms. Enter your air temp and choose your units. At 20 C 68 F the speed of sound in air is about 343 metres per second 1235 kmh.