Question: A wave on a string has the equation x = ( 0 . 2 5 metres ) c o s ( 2 3 t -

A wave on a string has the equation
x=(0.25 metres )cos(23t-21x)
What does the value 21m-1 represent in this equation?
The frequency, f
The angular frequency
The wavenumber k
The wavelength
The amplitude
A wave on a string has the equation x = ( 0 . 2 5

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