PreparED Study Materials
Videos
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Surviving Extreme Deceleration: David Purley's Remarkable Story
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Discover the incredible tale of David Purley's survival in a high-speed car crash! In this video, we calculate the magnitude of the acceleration he experienced during the rapid deceleration from 173 km/h to zero. Learn how to express it in units of gravity and explore the limits of human endurance.
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.
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.
Models in Relativity and Quantum Mechanics: An Explanation
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Discover the significance of models in the fascinating realms of relativity and quantum mechanics, where conditions defy our everyday experience. Explore the concept of a model and its role in understanding these complex theories.
Particle Count, Charge, and Mass of Electron-Proton System
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oin us as we delve into the intriguing world of subatomic particles! In this video, we'll decipher the composition of a system containing 1525 electrons and protons with a net charge of -5.456 x 10^-17 C. Discover the precise number of electrons and calculate the total mass of this dynamic system. Unlock the secrets of particle physics with us!
