Satellites P and Q are in stable circular orbits around the Earth. P has a smaller orbital radius than Q.
Which compares P with Q?
P travels faster and completes an orbit in more time.
P travels slower and completes an orbit in less time.
P travels slower and completes an orbit in more time.
P travels faster and completes an orbit in less time.
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.