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13 September, 04:55

What is the wavelength of a 2.50-kilohertz sound

wave traveling at 326 meters per second through

air?

(1) 0.130 m (3) 7.67 m

(2) 1.30 m (4) 130. m

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Answers (1)
  1. 13 September, 04:59
    0
    The formula v=fλ can be used here.

    326=2500*λ

    Note the 2500 as 2.5kHz is 2.5 thousand Hz.

    λ = 326/2500

    = 0.1304m = 0.130m
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