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MCQIntermediateOrbits, Gravitation & Dynamics
BAAO — 2017 Astronomy & Astrophysics Challenge
Question 5
In the video game Halo, players are able to move around on the inner edge of a ring structure, which has a radius of 5000 km. Roughly how many rotations per (Earth) day would the ring need to achieve in order for the players' characters to experience Earth-like gravity whilst walking around?
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics Challenge 2017. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.