PreparED Study Materials
Notes
Videos
Estimating Car's Initial Speed from Skid Marks: A Physics Explanation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Estimate a car's initial speed from skid marks using physics principles. Apply Newton's Second Law and equations of motion to deduce the initial velocity. Understand the role of frictional force in car deceleration during accidents.
Optimizing Launch Tube Acceleration for Maximum Points
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to optimize the launch tube acceleration to achieve the maximum height and earn the most points in your laboratory experiment.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Jet Takeoff: Tire Rotation, Centripetal Acceleration, and Bacterium's
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the dynamics of a commercial jet takeoff in this video! We explore tire rotation speed, centripetal acceleration, and a bacterium's grip on the rim. Dive into physics and microscopic forces, all while considering weight ratios.
U-Tube Liquid Heights: Exploring Oil & Water Density Dynamics
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Exploring the behavior of oil and water in a U-shaped tube when a barrier is removed. Understand the impact of differing densities on fluid heights. Witness equilibrium scenarios effects of equal densities and the displacement dynamics of lighter liquids.



















