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A straight rod of light L and mass m is ...

A straight rod of light L and mass m is pivoted freely from a point of the roof. Its lower end is connected to an ideal spring of spring constant K. The other end of the spring is connected to the wall as shown in the figure. Find the frequency of small oscillation of the system.

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`(1)/(2pi) sqrt(3 ((K)/(m) + (g)/(2L)))`
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