Physics-
General
Easy

Question

From a disc of mass 2 kg and radius 4 m a small disc of radius 1 m is extracted where O' is at distance of 2m from centre O of disc. Find new M.I. about an axis passing through O perpendicular to plane of disc.

  1. 16 kgm2    
  2. 12 kgm2    
  3. fraction numerator 255 over denominator 16 end fractionkgm2    
  4. fraction numerator 247 over denominator 16 end fractionkgm2    

The correct answer is: fraction numerator 247 over denominator 16 end fractionkgm2

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