Episode Details

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The core formula for all motion problems is Distance = Rate × Time (d=rt). - How to solve 'two objects meeting' problems by combining their rates when they move towards each other. - Why simply averaging two speeds to find the average speed of a round trip is a common exam trap and always incorrect. - The correct method for calculating average speed, which is always Total Distance divided by Total Time. - A specific shortcut formula for calculating average speed on a round-trip journey with two different speeds: 2(r1·r2)/(r1+r2). For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep