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A uniform hollow sphere is released from the top of a fixed inclined plane of inclination 37 to the power of ring operator end exponent and height 3m. It rolls without sliding. The time taken by the sphere to reach the bottom is

  1. fraction numerator 3 over denominator 5 end fraction s    
  2. fraction numerator 5 over denominator 3 end fraction s    
  3. fraction numerator 5 over denominator 4 end fraction s    
  4. None of these    

The correct answer is: fraction numerator 5 over denominator 3 end fraction s

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