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[Post New]25 Dec 2006 18:15:01 IST
    Subject: rotational dynamics
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coffeeadicto (0)

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Olaaa!! Perrrfect answer. 0  [0 rates]
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total posts: 13    
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find the distance of centre of mass of a uniform plate having semicircular  inner and outer boundaries of radii a and b.
  the ans is  4/3*(a2+ab+b2)/(a+b)
  plz tell me how to arrive at the soln.
    
 

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