Answer:
87.5 m/s
Explanation:
The speed of a wave is given by
[tex]v=\lambda f[/tex]
where
v is the wave speed
[tex]\lambda[/tex] is the wavelength
f is the frequency
In this problem, we have
[tex]f=250 Hz[/tex] is the frequency
[tex]\lambda=0.35 m[/tex] is the wavelength
Substituting into the equation, we find
[tex]v=(0.35 m)(250 Hz)=87.5 m/s[/tex]
