This physics video tutorial explains Kepler's third law of planetary motion. It provides physics problems where you have to calculate the period of Mars or the distance between Venus and the Sun using the orbital radius of earth and sun-earth mean distance. This video also provides the formula needed to calculate the mass of the sun. Physics 1 Final Exam Review: Circular Motion - Free Formula Sheet: Physics PDF Worksheets: Final Exam and Test Prep Videos: _______________________________ Static Friction & Centripetal Force: Normal Force on a Hill: Banked Turn Physics Problems: Non-Uniform Circular Motion: Gravitational Force: ______________________________ Universal Law of Gravitation: Gravitational Acceleration: Gravitational Field Strength: Satellite Speed: Circular Motion Review: ____________________________________ Kinetic Energy and Potential Energy: Work, Energy, and Power: Final Exams and Video Playlists: Full-Length Videos and Worksheets: