The equation needed to solve this problem is:
wavelength = speed of wave / frequency
Plugging in the given values:
wavelength = 40 m/s / 20 Hz
wavelength = 2 meters
Therefore, the wavelength of a 20 Hz periodic wave moving at 40 m/s is 2 meters. The answer is option d.
What is the wavelength of a 20 Hz periodic wave moving at 40 m/s?
Use the equation below!
a
80 m
b
0.5 m
c
800 m
d
2 m
1 answer