Mathematics · Mechanics
A thin uniform hoop of diameter D is pivoted at the topmost point on its circumference so that it can swing freely. The acceleration due to gravity g acts downwards. What is the time period of small oscillations in the plane of the hoop?
- 12π√(2Dg)✓
- 22π√(Dg)
- 32π√(5D6g)
- 42π√(D2g)
Correct answer
2π√(2Dg)
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