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16 October, 23:25

A sound wave has a wavelength of 0.450 meters. If its speed in cold air is 330 meters/second, what is the wave's frequency?

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  1. 16 October, 23:29
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    Most of the information's required are already given in the question. Based on those information's the answer can be easily deduced.

    Wavelength of the sound wave = 0.450 meters

    Speed of the sound wave = 330 meters per second

    We already know

    v=f λ

    330 = f * 0.450

    f = 330/0.450

    = 733.33 hertz

    So the frequency of the wave is 733.33 hertz
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