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6.1 The Earth and the Solar System

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Question 8

The average distance from Mars to the Sun is 2.3 × 1011 m and its orbital period is 687 days687\text{ days}687 days.

What is the average orbital speed of Mars?

A

3.3×105 km/day3.3 \times 10^5\text{ km/day}3.3×105 km/day

B

1.1×106 km/day1.1 \times 10^6\text{ km/day}1.1×106 km/day

C

2.1×106 km/day2.1 \times 10^6\text{ km/day}2.1×106 km/day

D

2.1×109 km/day2.1 \times 10^9\text{ km/day}2.1×109 km/day

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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