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(a) Find the time period of oscillations...

(a) Find the time period of oscillations of a torsinal pendulum, if the torsional, constant of the wire is `K=10pi^(2)J//rad`. The moment of inertia of rigid body is `10 kg m^(2)` about the axis of rotation.
(b) A simple pendulum of length `l=0.5 m` is hanging from ceiling of a car. the car is kept on a horizontal plane. The car starts acceleration of `5m//s^(2)`. find the time period of oscillations of the pendulum for small amplitudes about the mean position.

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The correct Answer is:
(a) 2 sec . (b) `T = (2)/(5)` sec
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