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Harmonic wave function - example

Write an expression for a harmonic wave that has a wavelength of 2.8 m and propagates to the left with a speed of 13.3 m/s. The amplitude of the wave is 0.12 m.

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One-Dimensional Wave Equation has the form f (x, t) = A sin [2pi (x/λ - f t) ]

where A=amplitude f=frequency (1/freq = period) and λ = wavelength

This is a ...

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Solution gives all mathematical steps.