There is a sphere of radius R and mass m. It is rotating with angular speed omega about a horizontal axis perpendicular to the plane of paper. Now it is placed gently between two inclined surface as shown in figure. The coefficient of friction between the sphere and each incline surface is mu. The time after which the rotation of the sphere will stop (2omega(1+mu^(2)))/(bsqrt(2gmu)) whereb is

There is a sphere of radius R and mass m. It is rotating with angular

1.	There is a sphere of radius R and mass m. It is rotating with angular speed omega about a horizontal axis perpendicular to the plane of paper. Now it is placed gently between two inclined surface as shown in figure. The coefficient of friction between the sphere and each incline surface is mu. The time after which the rotation of the sphere will stop (2omega(1+mu^(2)))/(bsqrt(2gmu)) whereb is
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