PreparED Study Materials
Notes
Study Guides
Videos
Determining Mercury's Latent Heat of Fusion Using Calorimeter Data Exp
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Discover how to calculate the latent heat of fusion of mercury using calorimetry. Grasp the role of thermal equilibrium in heat transfer calculations. Derive the value of mercury's latent heat of fusion based on experimental data.
Surviving Extreme Deceleration: David Purley's Remarkable Story
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Discover the incredible tale of David Purley's survival in a high-speed car crash! In this video, we calculate the magnitude of the acceleration he experienced during the rapid deceleration from 173 km/h to zero. Learn how to express it in units of gravity and explore the limits of human endurance.
Calculating Jet Engine Thrust for Cruising Speed
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Dive into the world of aviation as we calculate the thrust required for a medium-sized jet to maintain a cruising speed of 230 m/s at a specific altitude. Explore the impact of air density and drag coefficients on aircraft performance.
Identifying Base Quantities in the SI System
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Uncover the fundamental base quantities of the SI system and test your knowledge with a quiz to identify which one is not considered a base quantity. Is it mass, length, energy, time, or are they all base quantities? Join us to find out!
Amusement Park Divers: Speed and Physics Analysis
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Step into the thrilling world of amusement park divers as we explore the physics behind their jaw-dropping stunts. Diving from a platform 21.3 meters (70 feet) above a pool of water, we investigate the announcer's claim that divers enter the water at a speed of 56 miles per hour (25 meters per second). We'll also uncover the possibility of divers leaping directly upward to achieve a specific water entry speed and examine the physical feasibility of such a feat. Join us for an educational journey
Hotel Peephole Lens: Achieving a 180-Degree View Through Refraction
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Uncover the fascinating science behind peephole lenses, including the principles of light refraction and observer positioning that allow for an extensive field of vision through a hotel room door.







