1
1 mark
A planet orbits the Sun with an orbital speed of 48 km/s. The radius of the orbit is 5.7 × 107 km.
What is the orbital period of the planet?
3.7 × 10⁶ s
7.5 × 10⁶ s
8.6 × 10⁹ s
1.7 × 10¹⁰ s
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The Solar System (Cambridge (CIE) IGCSE Combined Science: Physics): Exam Questions
Exam code: 0653
5 mins3 questions
2
1 mark
The Earth orbits the Sun as part of the Solar System.
State the name of the planet that orbits closest to the Sun.
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3
3 marks
The Earth orbits the Sun at an average distance of and takes for one orbit.
Calculate the orbital speed of the Earth around the Sun in .
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