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A long horizontal rod has a bead which can slide along its length and initially placed at a distance L from one end A of the rod. The rod is set in angular motion about A with constant angular acceleration \alpha. If the co-efficient of friction between the rod and the lead is \mu and gravity is neglected, then the time after which the bead starts slipping is

Radhika Batra , 11 Years ago
Grade 11
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