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Gravitational fields

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Question 4

A satellite orbits a planet in a circular path very close to its surface. The planet has a radius R R\,R and the magnitude of the gravitational field strength at its surface is ggg.

What is the orbital speed of the satellite?

A

gR\sqrt{gR}gR​

B

2gR\sqrt{2gR}2gR​

C

12gR\frac{1}{2}gR21​gR

D

gRgRgR

Markscheme

Gravitational fields Questions

  1. A Level
  2. /Physics
  3. /Gravitational fields

31 exam-style questions on OCR A A Level Physics Gravitational fields, covering Point and spherical masses, Newton's law of gravitation, Planetary motion, and Gravitational potential and energy. Each one has a worked solution and a mark scheme showing where the marks go.

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