Respuesta :

The equation for wave speed is:

[tex]v=\lambda * f[/tex]

where "v" is wave speed, "λ" is wavelength and "f" is frequency.

Given the wave speed is 343m/s and the wavelength is 0.77955m, we can rewrite the equation as:

[tex] \frac{v}{\lambda} = f[/tex]

Substituting known values, we get:

[tex] \frac{343}{0.77955} =f[/tex]

[tex]f=439.9974344[/tex]

The pitch that's the closest to this value is Pitch A.

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