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13.Auniform circular disc ofradius a is taken. Acircular portionof radius b has been removed from its as shown in the figure.If the centre of hole is at a distance c from the centre of thedisc, the distance x, of the centre of mass of the remainingpart from the initial centre of mass O is given by::O02x-axisX2 C2cb(a) (a2-c2)ca(o) (a2-b(d) (eb)

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