Polar radius of gyration for a circular lamina of diameter d is equal – McqOptions

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1.	Polar radius of gyration for a circular lamina of diameter d is equal to
A.	\(\frac{d}{{2\sqrt 2 }}\)
B.	\(\frac{d}{{3\pi }}\)
C.	\(\frac{{4d}}{\pi }\)
D.	\(\frac{d}{8}\)
Answer» B. \(\frac{d}{{3\pi }}\)

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