February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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39Solar System Orbital MotionHard1 mark
A satellite is orbiting above the Earth’s equator. It completes one orbit of the Earth every 24 hours. The satellite is 36 000 km above the surface of the Earth and the radius of the Earth is 6400 km. What is the orbital speed of the satellite?