The \( x-t \) graph of a particle undergoing simple harmonic motion is as shown in the figure. T....
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The \( x-t \) graph of a particle undergoing simple harmonic motion is as shown in the figure.
\( \mathrm{P} \)
The acceleration of the particle at \( t=\frac{4}{3} s \) is
(1) \( \frac{\sqrt{3}}{32} \pi^{2} \mathrm{~cm} / \mathrm{s}^{2} \)
(2) \( -\frac{\pi^{2}}{32} \mathrm{~cm} / \mathrm{s}^{2} \)
(3) \( \frac{\pi^{2}}{32} \mathrm{~cm} / \mathrm{s}^{2} \)
(4) \( -\frac{\sqrt{3}}{32} \pi^{2} \mathrm{~cm} / \mathrm{s}^{2} \)
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