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For a thin ring, what is the ratio of I about a diameter to I about its central perpendicular axis?
A2 : 1
B1 : 4
C1 : 1
D1 : 2
Answer & Solution
Correct answer: D. 1 : 2
I about a diameter is MR^2/2 while I about the perpendicular central axis is MR^2, giving 1 : 2.
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