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Question

A rod AB of length 2 m and mass 2 kg is lying on smooth horizontal x- y plane with its centre at origin O as shown figure. An impulse J of magnitude 10 N-s is applied perpendicular to AB at A. The distance of point P from centre of the rod which is at rest just after the impact is :-

  1. 2/3 m    
  2. 1/3 m    
  3. 1/2 m    
  4. 1/4 m    

The correct answer is: 1/3 m

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