From: liz@poppyrecords.invalid.invalid   
      
   Edward Rawde  wrote:   
      
   [...]   
   > What volume of material remains after a six inch long hole, centred on a   
   > diameter, is drilled through a sphere?   
      
   If the hole diameter can be regarded as small compared with the sphere   
   diameter, the curvature at the ends can be neglected .  The calculation   
   method will depend on the relative dimensions and the degree of accuracy   
   required, so that should sort out the engineers from the theoretical   
   mathematicians.   
      
   It is also possible to get a negative answer if the hole is bigger than   
   the sphere - which should sort out the accountants.   
      
      
   --   
   ~ Liz Tuddenham ~   
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   www.poppyrecords.co.uk   
      
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