| Exam Board | OCR |
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| Module | M2 (Mechanics 2) |
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| Year | 2007 |
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| Session | January |
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| Topic | Moments |
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1 A uniform solid cylinder has height 20 cm and diameter 12 cm . It is placed with its axis vertical on a rough horizontal plane. The plane is slowly tilted until the cylinder topples when the angle of inclination is \(\alpha\). Find \(\alpha\).