Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A disc of mass 
and radius 
is free of rotate about a horizontal axis passing through its centre and perpendicular to the plane of disc. A body of same mass as that of disc is fixed at the highest point of the disc. Now the system is released, when the body comes to the lowest position, its angular speed will be 
where 
Text Solution
Verified by ExpertsThe correct answer is:
5
(5)
using conservation of mechanical energy 
Given 
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