A uniform cylinder of radius 
, mass 
spins about its axis with an angular velocity 
. At certainmoment, the cylinder is placed into a corner as shown in the figure. The coefficient of friction between the horizontal wall and the cylinder is 
, whereas the vertical wall is frictionless. If the number of rounds made by the cylinder is 5 before it stops, then the value of 
is (acceleration due to gravity, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Torque about centre of cylinder is
Now using,
So, 
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