Understanding the Relationship
* Speed (v): The rate at which the wave travels (40 cm/s).
* Wavelength (λ): The distance between two consecutive crests or troughs (8 cm).
* Frequency (f): The number of waves passing a point per second (what we're trying to find).
Formula:
The relationship between speed, wavelength, and frequency is:
* v = λf
Solving for Frequency:
1. Rearrange the formula to solve for frequency (f):
* f = v / λ
2. Plug in the values:
* f = 40 cm/s / 8 cm
3. Calculate:
* f = 5 Hz (Hertz)
Answer: The frequency of the wave is 5 Hz.
