 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2024/ia/paper-4/11c/b/i/solution

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

Every particle is initially at distance

R

from the axis, so

I (0) = i \sum m_{i} R^{2} = m R^{2} .

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