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Q.
A particle undergoes SHM with a time period of 2 seconds. In how much time will it travel from its mean position to a displacement equal to half of its amplitude?
Oscillations
Solution:
$x=A \sin t \frac{2 \pi}{T} ;$ for $x=\frac{A}{2} \Rightarrow \frac{A}{2}=A \sin \frac{2 \pi}{T} t$
Solving, $t=\frac{T}{6} .$