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KVPY2014PhysicsRotational Motion

A solid sphere spinning about a horizontal axis with an angular velocity is placed on a horizontal surface. Subsequently it rolls without slipping with an angular velocity of

Options

  1. A2 / 5
  2. B7 / 5
  3. C2 / 7

Correct answer

C. 2 / 7

Step-by-step solution

From cons. of anguler momentum about A v= 2 R w 7 W^ = 2 w 7

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