Answer:
c. 2 m/s
Explanation:
The speed of a wave is given by:
where
v is the speed of the wave
f is the frequency
is the wavelength
For the wave in this problem, we have
f = 4 Hz is the frequency
is the wavelength
So, the speed of the wave is
Which are characteristics of refraction? Check all that apply.
2 answers:
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