PreparED Study Materials
Notes
Videos
Calculating Enclosed Charge Using Gauss's Law
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Using a cube measuring 28.0 cm per side, we calculate its total electric flux. Through Gauss's law, we determine the box's enclosed charge. The resultant enclosed charge is 9.77 x 10?? C.
Particle Count, Charge, and Mass of Electron-Proton System
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
oin us as we delve into the intriguing world of subatomic particles! In this video, we'll decipher the composition of a system containing 1525 electrons and protons with a net charge of -5.456 x 10^-17 C. Discover the precise number of electrons and calculate the total mass of this dynamic system. Unlock the secrets of particle physics with us!
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.
Projectile Range and Optimal Launch Angles Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us in this enlightening video as we explore the fascinating world of projectiles and their optimal launch angles. We dive into the physics behind how a fixed initial speed affects the range of a projectile and why, for most angles, there are two choices that yield the same range. Delve into factors that affect an archer's ability to hit a target, including wind, and learn why a smaller angle, closer to the horizontal, is often preferable. Discover when and why a larger angle may be necessar
Unraveling Bead Motion: Force, Acceleration & Energy
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the dynamics of a bead under constant force. Understand its acceleration, velocity over time, and how to calculate its kinetic energy. Witness the interplay of motion equations and real-world applications in a simple system.
Calculating Work from Speed Change: Water-Skiing Physics Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the physics behind a water-skier accelerating from an initial speed to a faster one. Learn how to calculate the work done using the change in kinetic energy. Understand the principle of energy conservation through real-world examples.

