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6.1 The Earth and the Solar System

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Question 15

A research satellite orbits the Earth at a distance of 8000 km from the Earth's centre. It makes 14 orbits in every 24-hour24\text{-hour}24-hour period.

What is the speed of the satellite in its orbit?

A

2100 km/h2100\text{ km/h}2100 km/h

B

4700 km/h4700\text{ km/h}4700 km/h

C

15000 km/h15000\text{ km/h}15000 km/h

D

29000 km/h29000\text{ km/h}29000 km/h

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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