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Questions  

A physical pendulum is positioned so that its centre of gravity is above the suspension point. when the pendulum is released it passes the point of stable equilibrium with an angular velocity ω . The period of small oscillations of the pendulum is 

a
4πω
b
2πω
c
πω
d
π2ω

detailed solution

Correct option is A

12Iω2=mg(2l)⇒Imgl=4ω2T=2πImgl=2π4ω2=4πω

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