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Q. Angular position of a bob performing SHM is represented as $\theta=10\, \sin \left(2 \pi t+\frac{\pi}{2}\right)$ degree. If object rotate from extreme position to $\theta=5$ degree in $t\, s$, the value of $12\, t$ is

Oscillations

Solution:

image
$\omega=2 \pi$
$\theta=2 \pi t$
$t=\frac{\pi / 3}{2 \pi}=\frac{1}{6} s$