# An ocean buoy moves up-and-down once every 6.0 seconds due to passing water waves. What is the wavelength of the waves if their speed is 3.0 m/s?

Frequency = $\frac{1}{6}$ Hz
3 = $\frac{1}{6}$* Wavelength
Wavelength = $\frac{3}{\frac{1}{6}}$