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A small insect is climbing slowly along ...

A small insect is climbing slowly along the inner wall of a hemispherical bowl of radius R. The insect is unable to climb beyond `theta = 45^(@)`. Whenever it tries to climb beyond `theta = 45^(@)`, it slips.
(a) Find the minimum angular speed `omega` with which the bowl shall be rotated about its vertical radius so that the insect can climb upto `theta = 60^(@)`.
(b) Find minimum `omega` for which the insect can move out of the bowl.

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