The SHM of a particle is given by \( X(t)=5 \cos \left(2 \pi t+\fra... VIDEO
The SHM of a particle is given by \( X(t)=5 \cos \left(2 \pi t+\frac{\pi}{4}\right) \) (in
\( \mathrm{P} \)
MKS units). Calculate the displacement and the magnitude of acceleration of the particle at \( t=1.5 \) seconds
W
[AMU (Engg.) 2010]
(a) \( -3.0 m, 100 m / s^{2} \)
(b) \( +2.54 m, 200 \mathrm{~m} / \mathrm{s}^{2} \)
(c) \( -3.54 m, 140 m / s^{2} \)
(d) \( +3.55 \mathrm{~m}, 120 \mathrm{~m} / \mathrm{s}^{2} \)
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