3 A disc of radius R has a light pole fixed perpen dicular to the disc at the circumference which in turn has a pendulum of

Question

3 A disc of radius R has a light pole fixed perpen dicular to the disc at the circumference which in turn has a pendulum of length R attached to its other end as shown in figure The disc is rotated with a constant angular velocity w The string is making an angle 30 with the rod Then the angular velocity w of disc is A 3g R 1 2 1 2 R B R 30 3g 2R 1 2 2g 2

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