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A simple harmonic oscillator of frequency ' \( f \) ' is attached to the end of a cord that has a linear mass
\( \mathrm{P} \) density ' \( \mu \) ' and is under a tension ' \( T \) '. The power

W. that must be provided to the cord by the oscillator to generate a sinusoidal wave of amplitude ' \( A \) ', angular frequency ' \( \omega \) ' and speed ' \( v \) ' is
(1) \( \mu \omega^{2} A^{2} v \)
(2) \( \frac{\mu \omega^{2} A^{2} v}{2} \)
(3) \( \frac{\mu \omega^{2} A^{2} v^{2}}{2} \)
(4) \( \frac{3 \mu \omega^{2} A^{2} v}{2} \)
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