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:
Text Solution
Verified by ExpertsThe correct answer is:
D

using energy conservation between
and
point



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