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Figure shows a disc of radius R=20cm wit...

Figure shows a disc of radius R=20cm with a portion of it removed symmetrically. The removed part is a disc of radius R/2. The removed part is now placed in contact with the larger disc. Centres of all the three discs lie on x-axis. Disc has uniform mass distribution. With respect to origin at centre of larger disc find x-coordinate of center of mass of system (in cm).

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