What is the formula of radius of gyration ? – McqOptions

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1.	What is the formula of radius of gyration ?
A.	k<sup>2</sup> = I/A
B.	k<sup>2</sup> = I<sup>2</sup>/A
C.	k<sup>2</sup> = I<sup>2</sup>/A<sup>2</sup>
D.	k<sup>2</sup> = (I/A)<sup>1/2</sup>
Answer» B. k<sup>2</sup> = I<sup>2</sup>/A

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