PreparED Study Materials
Notes
Videos
The Pricey 'Jenny' Stamp: Calculating Focal Length
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
Comparing Single-Pane and Double-Pane Heat Loss Ratios
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the world of thermal insulation and heat loss in this video. We compare single-pane and double-pane windows, calculating the heat loss ratio. Delve into the fascinating science of heat transfer and insulation factors. Join us to uncover the secrets behind energy-efficient windows.
Angle of Hanging Hand Straps on a Turning Streetca
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the physics behind the angle formed by loosely hanging hand straps on a streetcar negotiating a curved turn.
Lunar Lander Descent: Initial and Final Velocities
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Join us on an exciting lunar adventure as we explore the descent of a lunar lander towards the moon's surface. We'll unravel the physics behind its journey using the equation y(t) = b - ct + dt^2, and answer questions about the lander's initial and final velocities. Get ready to explore the dynamics of space exploration and lunar landings in this informative video!
Estimating Car's Initial Speed from Skid Marks: A Physics Explanation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Estimate a car's initial speed from skid marks using physics principles. Apply Newton's Second Law and equations of motion to deduce the initial velocity. Understand the role of frictional force in car deceleration during accidents.
Moon vs. Earth Jump: Gravity's Impact on Distance
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Join us in a lunar leap! We estimate how gravity affects jumping distance on the Moon compared to Earth, with the same takeoff speed and angle. Explore the moon's reduced gravity and its impact on human capabilities.