Answer:

15 Hz or Hertz

Explanation:

To find the frequency of a wave, divide the velocity by the wavelength.

f=velocity/wavelength

We know the ocean wave is traveling at 45 meters per second, and it has a wavelength of 3 meters. Therefore, the velocity is 45 m/s and the wavelength is 3 m.

velocity=45

wavelength=3

Substitute these values into the formula.

f=45/3

Divide 45 by 3

f=15

Add appropriate units. Frequency uses Hertz or Hz.

f=15 Hertz

The frequency of the ocean wave is 15 Hertz.