A wave is traveling at a speed of 15 m/s and it's wavelength is 5 m. Calculate the waves frequency

The frequency of this wave is .

Explanation:

The frequency of a wave is the number of wavelengths that this wave covers in unit time (typically a second.)

The wave in this question travels at . In other words, this wave covers in unit time (a second.) How many wavelengths would that correspond to?

The question states that the wavelength of this wave is . Therefore, there would be wavelengths in the span that this wave covered in the unit time of one second (.) Hence, the frequency of this wave would be (three per second,) which is equivalent to (three Hertzs.)

In general, the frequency of a wave with speed and wavelength would be:

.

For the wave in this question:

.

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