This physics video tutorial explains how to calculate the speed of a satellite in circular orbit and how to calculate its period around the earth as well. It uses the formula for centripetal force and gravitation to derive the equation for the orbital velocity of a satellite. Circular Motion - Free Formula Sheet: Physics 1 Final Exam Review: 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: Kepler's Third Law of Motion: Circular Motion Review: ____________________________________ Kinetic Energy and Potential Energy: Work, Energy, and Power: Final Exams and Video Playlists: Full-Length Videos and Worksheets: