Answer:
Speed = 360m/s
Step-by-step explanation:
Given the following data;
Wavelength = 18cm to meters = 18/100 = 0.18m
Frequency = 2000Hz
To find the speed;
Speed = frequency * wavelength
Speed = 2000 * 0.18
Speed = 360m/s
Therefore, the speed of the wave is 360 meters per seconds.