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A sound wave in a solid has a frequency of 15.0 kHz and a wavelength of 0.333 m. What would be the wave speed, and how much faster is this speed than the speed of sound in air?

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  1. L = V/F = 0.333 m.
    L = V/15000 = 0.333
    V = 0.333 * 15,000 = 4995 m/s.

    4995 - 343 = 4652 m/s faster.

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