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!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Shearwater's Return: Average Velocities in Experiment
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us as we unravel the incredible journey of a shearwater seabird in an astonishing experiment. This remarkable bird was taken from its nest, flown 5150 kilometers away, and then successfully found its way back home 13.5 days later. We explore the concept of average velocity for both the return flight and the entire episode, shedding light on the bird's navigation prowess. Discover the fascinating world of animal navigation and physics in this captivating video.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Calculating Object and Oil Density through Buoyancy
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Dive into the world of buoyancy and density in this video! We explore how an object's weight changes when immersed in water and oil. Join us to calculate the density of the object and the oil, unraveling the principles of fluid dynamics and buoyant forces.
Ground Ball Throw: Distance to Second Base and Vertical Drop
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us on the baseball field as we calculate the physics of a ground ball throw to second base. In this video, we determine the distance from the shortstop to the second baseman and the vertical drop of the ball. Explore the principles of projectile motion in sports.









