 Solution

ID: past-exam-of-the-physics-b-course-of-the-university-of-cambridge/2010/paper-2b/section-c/c11/solution

ω^{2} = g / [(L - r) (1 + 2 R^{2} / (5 r^{2}))]

. With the supplied dimensions,

T ≃ 80.5 s

and the maximum centre-of-mass speed for a

10 mm

rise is

0.0349 m s^{- 1}

Full derivation: solution.

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