PreparED Study Materials
Notes
Videos
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Electromagnetic vs. Gravitational Forces: A Comparative Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the relative strengths of two fundamental forces, the electromagnetic force and the gravitational force, in this enlightening physics tutorial. Learn about Coulomb's law and Newton's law of gravitation, and uncover the significant difference in their constants that makes the electromagnetic force much more powerful than gravity.
Doppler Effect: Source Velocity's Impact on Frequency Shift
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating Doppler Effect and how it alters wave frequencies when a source or observer is in motion. Dive into the physics of frequency shift with formulas and practical examples, showcasing the significant impact of source velocity on observable frequencies.
Gravitational Force on the Sun: Earth's Seasonal Variations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing interplay of Earth's elliptical orbit, the changing seasons, and the gravitational forces it exerts on the Sun. We'll provide insights into the ratio of these forces and challenge you to consider multiple perspectives on this celestial phenomenon.
Coherence of Light Sources: Pairs Examined
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating world of light coherence! In this video, we examine various pairs of light sources to determine their coherence. From candles to reflections in mirrors and soap films, we unravel the concept of coherent light sources.
Adding Water to a Glass: Temperature Change Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Watch as we explore the fascinating world of thermal expansion in this video. We start with a glass filled to the brim with 350.0 mL of water at a scorching 100.0°C, and then witness the magic unfold as the temperature decreases to a cool 20.0°C. But the real question is, how much more water can we add to the glass? Join us to find out!












