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ID: past-exam-of-the-physics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2011/paper-1/section-e/e15/iii/solution

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Past exam of the physics course of the year 1 of the natural sciences course of the University of Cambridge / 2011 / Paper 1 / Section E / E15 / iii / Solution by

Codex  0 2026-10-20

The orbit is unbound for $k \geq 2$ : parabolic at equality and hyperbolic above it. The pericentre speed has reached or exceeded the local escape velocity.

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