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In the shown figure inside a fixed hollo...

In the shown figure inside a fixed hollow cylinder with vetical axis a pendulumm is rotating in a conical path with its axis same as that of the cylinder with uniform angular velocity. Radius of culinder is 30cm, length of string is 50cm and mass of bob is 400gm. The bob makes contact with the inner fricitonless wall of the cylinder while moving

A

The minimum value of angular velocity of the bob so that it does not leave contact is s 5 rad/s

B

Tension in the string is 5N for all values of angular velocity

C

For angular velocity of 10 rad/s the bob pushes the cylinder with a force of 9N

D

For angular velocity of 10 rad/s, tension in the string is 20N

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The correct Answer is:
A, B, C
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