Physics-
General
Easy

Question

A ball of mass m moving with velocity v, collide with the wall elastically as shown in the figure. After impact the change in angular momentum about P is:

  1. 2 mvd    
  2. 2 mvd costheta    
  3. 2 mvd sin theta    
  4. zero    

The correct answer is: 2 mvd costheta

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