What is the propagation speed of a wave if the wavelength is 8 m and the frequency is 200 Hz?

A common formula:
lambda = V × T
Where is T-period and V-speed
The frequency is inverse to the period and is equal to 1 / T
Hence the formula: lambda = V × nu (frequency)
Express the speed: lambda / nu = 8/200 = 4/100 = 0.04



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