Kepler-160 is a star with several planets orbiting it. Two of these planets are Kepler-160b and Kepler-160c. Kepler-160b has an orbital period of 16.0 days16.0\text{ days}16.0 days and is at an average orbital distance of 0.16 AU0.16\text{ AU}0.16 AU from the centre of the star. Kepler-160c is at an average orbital distance of 0.36 AU0.36\text{ AU}0.36 AU from the centre of the star. Kepler's third law of planetary motion can be applied to these planets. What is the orbital period of Kepler-160c?
4.7 days4.7\text{ days}4.7 days
36.0 days36.0\text{ days}36.0 days
54.0 days54.0\text{ days}54.0 days
81.0 days81.0\text{ days}81.0 days
31 exam-style questions on OCR A A Level Physics Gravitational fields, covering Point and spherical masses, Newton's law of gravitation, Planetary motion, and Gravitational potential and energy. Each one has a worked solution and a mark scheme showing where the marks go.