PreparED Study Materials
Notes
Videos
River Rescue: Angle for Direct Approach to Child
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us for a dramatic river rescue mission! In this video, we solve the problem of how a rescue team can reach a child in danger of drowning in a fast-flowing river. We calculate the angle from the shore for their pilot to approach the child directly, considering the river's current and the boat's speed. Explore the principles of vector addition and save lives!
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.
Understanding the Law of Conservation of Mass in Chemical Reactions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fundamental principles of this law, unraveling its implications, and clarifying common misconceptions related to mass preservation in chemical reactions.
Projectile Motion: Speed, Height, Time & Range
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us for an engaging exploration of projectile motion as we dissect a fascinating scenario. We delve into the physics of a projectile fired with an initial speed of 36.6 m/s at an angle of 42.2° above the horizontal on a flat firing range. Discover how to determine the maximum height, total time in the air, total horizontal distance covered (range), and the speed of the projectile 1.50 seconds after firing. This video will demystify the dynamics of projectiles in a clear and educational manne
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:
full solution
Discover the physics behind the angle formed by loosely hanging hand straps on a streetcar negotiating a curved turn.
Capacitor Potential, Separation, and Work Calculations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the concept of capacitance and learn how to calculate potential difference, the impact of separation, and the work required for a parallel-plate air capacitor.


