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Gravitational fields (A-level only)

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Question 34

A spacecraft is designed to enter a circular orbit of period T T\,T around a spherical planet of mass M M\,M and radius RRR. Which expression gives the altitude h h\,h of the spacecraft above the planet's surface?

A
h=(GMT24π2)1/3−R h = \left(\frac{GMT^2}{4\pi^2}\right)^{1/3} - R h=(4π2GMT2​)1/3−R
B
h=(GMT24π2)1/2−R h = \left(\frac{GMT^2}{4\pi^2}\right)^{1/2} - R h=(4π2GMT2​)1/2−R
C
h=(GMT24π)1/3−R h = \left(\frac{GMT^2}{4\pi}\right)^{1/3} - R h=(4πGMT2​)1/3−R
D
h=(GMT4π2)1/3−R h = \left(\frac{GMT}{4\pi^2}\right)^{1/3} - R h=(4π2GMT​)1/3−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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