The displacement \( y \) of a particle is given by \( y=4 \cos \left(\frac{t}{2}\right) \sin (10....

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The displacement \( y \) of a particle is given by \( y=4 \cos \left(\frac{t}{2}\right) \sin (1000 t) \). This expression may be
\( \mathrm{P} \)
considered to be a result of the superposition of how many simple harmonic motions?


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