The trans-Neptunian planetoid Sedna has an average orbital speed of 1.04 × 103 m/s.
Sedna travels a total distance of 3.744 × 1013 m in completing one full orbit around the Sun.
Calculate the orbital period (the time taken to complete one orbit) of Sedna in seconds. Give your answer in standard form.
28 exam-style questions on Edexcel GCSE Physics 7.1 The Solar System and gravity, covering 7.1.1 Weight and g on different bodies in space, 7.1.2 The Solar System, 7.1.3 Changing ideas about the Solar System, 7.1.4 Orbits of moons, planets, comets and satellites, and 7.1.5 Gravity and orbital motion. Each one has a worked solution and a mark scheme showing where the marks go.