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Q. A uniform solid sphere of mass M= 1 kg and radius R = 50 cm is projected with velocity v0 = 1 m/s and simultaneously given a reverse spin  ω 0 as shown in figure. The horizontal surface is rough. What is initial angular velocity  ω 0 for which rotation and translation stops simultaneously in subsequent motion. 


(1) 1 rad/s                   (2) 2 rad/s
(3) 4 rad/s                   (4) 5 rad/s

Dear student,For the rotation and translation to stop simultaneously we have,Angular velocity=velocity of projectionradius=10.5=2rad/sRegards

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