PreparED Study Materials
Study Guides
Videos
Terminal Voltage Calculation for Battery with Resistors
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unlock the secrets of battery performance in this video! We calculate the terminal voltage for a battery with internal resistance, connected in series with resistors of different values. Explore the effects of resistance on voltage in electrical circuits.
System of Interest's Impact on Force Pair Cancellation in Newton's Thi
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the nuances of Newton's third law and learn how the choice of the 'system of interest' influences force pair cancellation.
Electromagnetic vs. Gravitational Forces: A Comparative Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the relative strengths of two fundamental forces, the electromagnetic force and the gravitational force, in this enlightening physics tutorial. Learn about Coulomb's law and Newton's law of gravitation, and uncover the significant difference in their constants that makes the electromagnetic force much more powerful than gravity.
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:
full solution
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.
Warm Hands by Friction: Temperature Increase Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us to explore the science of hand-warming through friction in this video. We calculate the temperature increase as a woman rubs her hands together, converting work into thermal energy. Dive into the physics of heat generation and discover how friction can keep you warm.
Advantages of Laboratory-Based Measurement Standards
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the key reasons why measurement standards rooted in laboratory procedures offer advantages over standards based on specific objects, like the international prototype kilogram. Dive into the world of metrology and standardization in this informative video.