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# A uniform metal rod is bent units L-shaped with the bent arms at 90 to each other. The distance of the center of mass of the remaining portion from the center of the original sheet is

$\begin {array} {1 1} (a)\;\frac{1}{4 \sqrt 2}m & \quad (b)\;\frac{1}{2 \sqrt 2}\;m \\ (c)\;\frac{1}{\sqrt 2}\;m & \quad (d)\;\frac{1}{8 \sqrt 2}\;m \end {array}$

COM lies at the center of AB.

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