The equation of free vibrations of a system is \[\ddot{x}+36\,\,{{\pi }^{2}}X=0.\] Its natural frequency is:

The equation of free vibrations of a system is \[\ddot{x}+36\,\,{{\pi

1.	The equation of free vibrations of a system is \[\ddot{x}+36\,\,{{\pi }^{2}}X=0.\] Its natural frequency is:
A.	\[46\text{ }Hz\]
B.	\[3\,\,\pi Hz\]
C.	\[3\text{ }Hz\]
D.	\[6\,\pi Hz\]
Answer» D. \[6\,\pi Hz\]

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The equation of free vibrations of a system is \[\ddot{x}+36\,\,{{\pi }^{2}}X=0.\] Its natural frequency is:

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