A wheel having moment of inertia 
about its axis, rotates at 
. The angular retardation required to stop this wheel in 
is …… . 
rads 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Given, moment of inertia, 
Initial angular frequency,
Final angular velocity,
From fitst 
of motion
Therefore, 
Option is correct
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