Step 1:
The wavefunction of a harmonic wave can be expressed as:
\[y(x,t) = A \sin(kx - \omega t + \phi)\]
where:
- \(y(x,t)\) is the displacement of the wave at position \(x\) and time \(t\),
- \(A\) is the amplitude of the wave,
- \(k\) is the wave number,
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