PreparED Study Materials
Notes
Videos
Triangle Masses: Net Force and Side Length Effects
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the gravitational forces at play in a triangle of masses in this video. We calculate the net force on each mass and explore how changing the side length impacts these forces. Join us for a gravitational journey through physics.
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.
Maximum Speed of a Whirling Ball with a Breaking String
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the limits of circular motion as we explore the maximum speed a ball can achieve before its string breaks. Uncover the physics behind this thrilling scenario in our engaging video.
Adding Water to a Glass: Temperature Change Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Watch as we explore the fascinating world of thermal expansion in this video. We start with a glass filled to the brim with 350.0 mL of water at a scorching 100.0°C, and then witness the magic unfold as the temperature decreases to a cool 20.0°C. But the real question is, how much more water can we add to the glass? Join us to find out!
Virtual and Real Images of a Cat Facing a Converging Lens
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating optical phenomena involving a cat, a converging lens, and the creation of virtual and real images.
Electric Field and Conductors: Point Charge Effects
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing interplay of electric fields and conductors in this video. We examine how the presence of a point charge inside or outside a conductor affects the electric field. Join us to unravel the principles of electrostatics.






