physics

A sound wave has a frequency of 1640 Hz. The air temperature is 46 degress F.

What is the speed?
v =

What is the wavelenght of the sound?
lambda =

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  3. 👁 165
  1. F = (9/5)C + 32 = 46o
    1.8C = 46-32 = 14
    C = 7.78o

    V=0.6T + 331 = 0.6*7.78 + 331=335.7 m/s.

    L = V*(1/F) = V/F = 335.7/1640=0.2047 m.

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