A) \[\frac{1}{7}\]sec
B) 1 sec
C) \[\frac{2\pi }{7}\]sec
D) \[\frac{2}{3\pi }\]sec
Correct Answer: C
Solution :
\[Kx=mg\Rightarrow \frac{m}{K}=\frac{x}{g}\] So \[T=2\pi \sqrt{\frac{m}{K}}=2\pi \sqrt{\frac{x}{g}}=2\pi \sqrt{\frac{0.2}{9.8}}=\frac{2\pi }{7}\sec \]You need to login to perform this action.
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