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8 March, 14:07

A wave has a wavelength of 9 mm and a frequency of 6 hertz. What is its speed?

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  1. 8 March, 15:18
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    Speed = (frequency) x (wavelength).

    Frequency = 6 Hz

    Wavelength = 9mm = 0.009m.

    Speed = (6 Hz) x (0.009m) = 0.054 m/s or 54 mm/sec.
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