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A thin unifrom reactangular plate of m...

A thin unifrom reactangular plate of mass 2 kg placed in X - Y planes as shown in figure . The moment of inertia about x - axis is `I_(x) = 0.2 kg m^(2)` and the moment of intertia about y - axis is `I_(y) = 0.3 kg m^(2)` . The radius of gyration of the plate about the axis passing through O and peprendicular to the plane of the plate is

A

31.6 cm

B

50 cm

C

5 cm

D

38.7 cm

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