PreparED Study Materials
Notes
Videos
Kinetic Energy: Saturn 5 & Apollo at 11.2 km/s Speed
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to calculate the kinetic energy of a Saturn 5 rocket with an Apollo spacecraft attached using physics principles and formulas. Understand the importance of unit conversion and the work-energy theorem as you plug values into the KE = 1/2 mv² formula. Discover that the kinetic energy for this rocket and spacecraft combo is an astonishing 1.82 x 10¹³ Joules.
Calculating Displacement: West and South Travel
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to calculate total displacement when traveling west and south at different speeds and durations. Explore the direction and magnitude of your journey in this informative video.
The Pricey 'Jenny' Stamp: Calculating Focal Length
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the world of collectible stamps as we delve into the story of the rare 1918 'Jenny' stamp and its astonishing auction price. Join us to learn about the use of a simple magnifying glass to examine this valuable collectible and discover how to calculate its focal length.
Hotel Peephole Lens: Achieving a 180-Degree View Through Refraction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Virtual and Real Images of a Cat Facing a Converging Lens
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating optical phenomena involving a cat, a converging lens, and the creation of virtual and real images.
Violin String Tension and Angle-Dependent Force
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the physics behind violin string tension and the angle-dependent force required when pushing it against the neck. Explore how the angle affects the force needed.


