PreparED Study Materials
Videos
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.
Warming Inhaled Air: Volume Increase Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating science of air temperature change in this video! We calculate how the volume of inhaled air increases as it warms from 0.0°C to body temperature. Discover the principles of thermal expansion in the human body.
Surfer Acceleration: Wave Inclination Angle
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Dive into the thrilling world of physics and surfing as we explore the angle of inclination of a wave's face. Discover how a surfer accelerates down a wave with an acceleration of 3.25 m/s² while ignoring friction. Join us for an engaging and educational explanation of this exciting phenomenon.
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.
Maximum Speed of a Whirling Ball with a Breaking String
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the limits of circular motion as we explore the maximum speed a ball can achieve before its string breaks. Uncover the physics behind this thrilling scenario in our engaging video.
Calculating Electric Charge: Coulomb's Law Demystified
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unlock the secrets of calculating electric charge using Coulomb's Law and discover the fascinating world of electrostatic forces. Learn how to determine the charge on two spheres, spaced 20.0 cm apart, and understand the role of elementary particles in this physics tutorial.















