The speed of the wave is 300m/s
The formula for calculating the speed of the wave is expressed as;
v = fλ
f is the frequency of the wave
λ is the wavelength
Given the following parameters
λ = 30m
f = 10Hz
Get the required speed
v = fλ
v = 10 * 30
v = 300m/s
Hence the speed of the wave is 300m/s
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