 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/ii/paper-2/14a/b/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

Time and azimuthal invariance give energy

E = \frac{7 m}{10} (\overset{r}{˙}^{2} csc^{2} α + r^{2} \dot{ϕ}^{2}) + m g r cot α

J = (7 m /5) r^{2} \dot{ϕ}

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