. A hollow sphere of radius R is spinned with angular velocity w in (i – InterviewSolution

1.

. A hollow sphere of radius R is spinned with angular velocity w in (in clockwise direction) and then placed on an incline having coefficient of friction u = tan x (x is the angle of incline). The sphere continues to spin without falling for time : (1) 3Rw/2gsinx. (2) 3Rw/5gsinx (3)2Rw/3gsinx (4) 5Rw/3gsinx

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the answer is no. 1. 3Rw/2gsnix

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