PreparED Study Materials
Notes
Videos
Tennis Ball Momentum and Change in Direction
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Explore the physics of a tennis ball hitting a wall and its momentum changes. Learn about the original momentum, changes, and the concept of reference objects in this engaging video.
River Rescue: Angle for Direct Approach to Child
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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!
Moon vs. Earth Jump: Gravity's Impact on Distance
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Join us in a lunar leap! We estimate how gravity affects jumping distance on the Moon compared to Earth, with the same takeoff speed and angle. Explore the moon's reduced gravity and its impact on human capabilities.
Calculating Forces & Work for 330-kg Piano on 28° Incline
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In this video we break down a complex physics problem about a 330-kg piano sliding down a 28° incline while a man resists its motion. We meticulously calculate the force exerted by the man work done by various forces including friction and gravity and the net work done on the piano.
Slinky Stretch: Calculating Transverse Wave Speed
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Discover the fascinating world of Slinky physics as we explore the speed of transverse waves when this iconic toy is stretched by a 2.0-N force. Dive into the science behind the Slinky's behavior!
Principal Axes and Moments in Rotational Symmetry
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Unravel the mysteries of rotational symmetry and principal axes in this video. We prove the relationships between the axis of symmetry and principal axes, showcasing the equal principal moments. Join us for an exploration of the fundamental concepts of rigid body dynamics.