PreparED Study Materials
Notes
Videos
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.
Earth's Measurements: Circumference, Surface Area, and Volume
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Explore Earth's dimensions in this video! We calculate its circumference, surface area, and volume. Join us to understand the scope of our planet, both in its physical size and mathematical concepts.
Virtual and Real Images of a Cat Facing a Converging Lens
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Explore the fascinating optical phenomena involving a cat, a converging lens, and the creation of virtual and real images.
Spacecraft Speed Change in 1 Week with 0.09-N Thrust
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Discover the impact of a 0.09-N thrust engine on a 480 kg spacecraft's speed during 1 week of maximum power operation. Uncover the assumptions involved in this space physics scenario.
Highway Lane Dividers: Musical Notes & Speed Calculation Explained
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Discover the physics behind the musical notes produced when car tires interact with highway lane dividers. This video explains the "stick-slip friction" phenomenon and its relation to tire vibrations. Learn how analyzing sound frequencies can offer insights into vehicle speeds
Angle of Hanging Hand Straps on a Turning Streetca
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Discover the physics behind the angle formed by loosely hanging hand straps on a streetcar negotiating a curved turn.






