Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A cord is wound round the circumference of wheel of radius 
. The axis of the wheel is horizontal and themoment of inertia about it is I. A weight 
is attached to the cord at the end. The weight falls from rest. Afterfalling through a distance 
, the square of angular velocity of wheel will be:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
using energy conservation between 
and 
point
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