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Q.

Write newton's rormula for velocity of sound in air.

Asked by Rabindra Nayak, 31 May '09 06:18 pm
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Answers (1)

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Calculation of the Speed of Sound c in Air and the important Temperature At 0 C is ρ0 = 1.293 kg/m3, Z0 = 428 Ns/m3, and c0 = 331 m/s At 20 C is ρ20 = 1.204 kg/m3, Z20 = 413 Ns/m3, and c20 = 343 m/s At 25 C is ρ20 = 1.184 kg/m3, Z25 = 410 Ns/m3, and c25 = 346 m/s Air density or density of air ρ, air impedance Z, speed of sound c The sound speed in air is determined by the air itself and is not dependent upon the sound amplitude, frequency or wavelength. What is the speed of sound in air? Speed of sound depends only on the temperature of the air. Forget the air pressure! \"At sea level\" is not correct. Select the temperature unit and enter the air temperature: The speed of sound c is: m/s Celsius km/h - not kmh! Fahrenheit mph miles per hour kelvin ft/s feet per second Rankine knots http://www.google.com/search?q=speed+of+sound Look at this answer of Goog ...more
Answered by radhikamruta, 31 May '09 06:30 pm

 
  
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