Respuesta :

[tex]\begin{gathered} v=22.9\text{ m/s} \\ \lambda=27m \\ f=? \\ v=\lambda f \\ f=\frac{v}{\lambda} \\ f=\frac{22.9\text{ m/s}}{27m} \\ f=0.848\text{ Hz} \\ The\text{ frequency is 0.848Hz} \end{gathered}[/tex]