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8 September, 09:26

What is the velocity of a wave that has a frequency of 25 Hz and a wavelength of 7.79 m?

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  1. 8 September, 09:50
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    Wave-speed = (frequency) x (wavelength)

    Speed = (25 / sec) x (7.79 m)

    = 194.75 m/sec.

    Note:

    This is the wave's speed. There's no information in the question

    that refers to the direction in which the wave is propagating, so

    nothing can be said regarding its velocity.
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