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Gravitational fields (A-level only)

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Question 26

An exoplanet, Thalassa, has a mass 4 times that of the Earth. The length of a solar day on Thalassa is 1.5 times that of an Earth day.

If the radius of a geostationary (synchronous) orbit around the Earth is RRR, what is the radius of a synchronous orbit around Thalassa?

A

63R\sqrt[3]{6} R36​R

B

93R\sqrt[3]{9} R39​R

C

943R\sqrt[3]{\frac{9}{4}} R349​​R

D

363R\sqrt[3]{36} R336​R

Markscheme

Gravitational fields (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Gravitational fields (A-level only)

52 exam-style questions on AQA A Level Physics Gravitational fields (A-level only), covering Newton's law (A-level only), Gravitational field strength (A-level only), Gravitational potential (A-level only), and Orbits of planets and satellites (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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