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Gravitational fields (A-level only)

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Question 4

A satellite is in a stable circular orbit at an altitude equal to the radius of a spherical planet of uniform density ρ\rhoρ.

Which expression gives the orbital period T T\,T of the satellite?

A

3πGρ\sqrt{\frac{3\pi}{G\rho}}Gρ3π​​

B

6πGρ\sqrt{\frac{6\pi}{G\rho}}Gρ6π​​

C

12πGρ\sqrt{\frac{12\pi}{G\rho}}Gρ12π​​

D

24πGρ\sqrt{\frac{24\pi}{G\rho}}Gρ24π​​

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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