PreparED Study Materials
Videos
Identifying Base Quantities in the SI System
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the fundamental base quantities of the SI system and test your knowledge with a quiz to identify which one is not considered a base quantity. Is it mass, length, energy, time, or are they all base quantities? Join us to find out!
Youngsters' Cliff Dives: Comparing Splashdown Speeds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Dive into the physics of cliff jumping as we analyze the splashdown speeds of two adventurous youngsters. Explore the factors that determine their speeds and choose the best explanation among the options provided.
Spring-Mass System Dynamics with Hammer Impact
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing dynamics of a spring-mass system, set in motion by a hammer's impact. Learn about period, frequency, amplitude, acceleration, position over time, and the total energy of this unique scenario.
Electron's Journey: Work and Thermal Energy Transfer
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us for a journey with electrons in this video! We explore the motion of an electron through a resistive strip powered by a 12V battery. Discover the electron's direction, work done by the electric field, and the transfer of energy to thermal energy in the strip.
Models in Relativity and Quantum Mechanics: An Explanation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the significance of models in the fascinating realms of relativity and quantum mechanics, where conditions defy our everyday experience. Explore the concept of a model and its role in understanding these complex theories.
Doppler Effect: Source Velocity's Impact on Frequency Shift
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating Doppler Effect and how it alters wave frequencies when a source or observer is in motion. Dive into the physics of frequency shift with formulas and practical examples, showcasing the significant impact of source velocity on observable frequencies.

















