A) 2 sec
B) 2.4 sec
C) 6 sec
D) 12 sec
Correct Answer: A
Solution :
\[x\,\,=\,\,a\text{ }sin\text{ }\omega t\] \[\frac{a}{2}\,\,=\,\,a\,\,\sin \,\omega t\] \[{{\sin }^{-1}}\left( \frac{1}{2} \right)\,\,=\,\,\frac{2\pi }{T}t\] \[\frac{\pi }{6}\,\,=\,\,\frac{2\pi }{T}t\] \[T=\frac{T}{12}\] \[t=\frac{24}{12}\,\,\Rightarrow \,\,2\,\,\sec \]You need to login to perform this action.
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