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27 April, 23:14

What is the speed, in m/s, of a wave on a cord if it has a wavelength of 4 m and a period of 0.5 s?

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  1. 27 April, 23:43
    0
    Given

    Wavelength = 4 m

    Time (t) = 0.5 sec

    Speed (S) = ?

    Explanation:

    first we should calculate the frequency

    so Frequency

    = 1/t

    = 1 / 0.5

    =2 Hertz

    Now Speed = wavelength * frequency

    = 4 * 2

    = 8 m/s
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