Mathematics · Moment of Inertia

Two solid cylinders made of the same uniform material have identical moments of inertia about their respective longitudinal principal axes. If the length of the second cylinder is 16 times that of the first cylinder, and the radius of the first cylinder is 4 cm, what is the radius of the second cylinder?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

2 cm

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