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6.1 The Earth and the Solar System

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Question 24

A moon orbits a planet with an orbital frequency fff. The radius of the circular orbit is RRR.

What is the average orbital speed of the moon?

A

2πRf\frac{2\pi R}{f}f2πR​

B

2πRf2\pi R f2πRf

C

f2πR\frac{f}{2\pi R}2πRf​

D

πRf2\frac{\pi R f}{2}2πRf​

Markscheme

6.1 The Earth and the Solar System Questions

  1. IGCSE
  2. /Physics
  3. /6.1 The Earth and the Solar System

100 exam-style questions on CIE IGCSE Physics 6.1 The Earth and the Solar System, covering 6.1.1a Rotation of the Earth, the seasons and the Moon, 6.1.1b Average orbital speed, 6.1.2a Contents of the Solar System, 6.1.2b Formation of the Solar System, 6.1.2c Gravitational field strength of a planet, and 6.1.2d Orbits and gravitational attraction. Each one has a worked solution and a mark scheme showing where the marks go.

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