Answer:
Explanation:
If the passage of the waves is one crest every 2.5 seconds, then that is the frequency of the wave, f.
The distance between the 2 crests (or troughs) is the wavelength, λ.
We want the velocity of this wave. The equation that relates these 3 things is
[tex]f=\frac{v}{\lambda}[/tex] and filling in:
[tex]2.5=\frac{v}{2.0}[/tex] so
v = 2.5(2.0) and
v = 5.0 m/s
