Find the moment of inertia (in g?cm2) and the radius of gyration (in cm) with respect to the origin of the given array of masses located at the given points on the x-axis.1.8 g at (6.9, 0), 3.5 g at (9.3, 0)
A. I = 140 g? cm2; R = 5.1 cm
B. I = 45 g? cm2; R = 1.7 cm
C. I = 45 g? cm2; R = 2.9 cm
D. I = 390 g? cm2; R = 8.6 cm
Answer: D
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