During a mission to Jupiter, tracking data show that probe R moves at a lower orbital speed than probe S. Both probes follow stable circular orbits around Jupiter.
Which statement correctly describes probe R when it is compared with probe S?
R has a smaller orbital radius and a longer orbital period.
R has a larger orbital radius and a shorter orbital period.
R has a larger orbital radius and a longer orbital period.
R has a smaller orbital radius and a shorter orbital period.
80 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.