A small insect of mass m is sitting on the rim of a uniform circular horizontal disk of radius R and mass M. The ystem is rotating at a constant angular velocity 0, about a frictionless vertical axis passing through the center of the disk. The insect started to crawl M =10, and let the final angular velocity of the towards the center of the disk. Assume m 100@; system, when the insect reaches the centre of the disk be @,. What is the value of
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