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10 October, 02:14

A wave has a wavelength of 15 mm and a frequency of 7 hertz. What is its speed?

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  1. 10 October, 03:45
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    wave speed = frequency * wavelength

    This is when:

    wave speed (v) is measured in metres per second (m/s)

    frequency (f) is measured in Hertz (Hz)

    wavelength (λ) is measured in metres (m)

    7 x 15 = 105 m / s
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