PreparED Study Materials
Notes
Videos
Understanding the Law of Conservation of Mass in Chemical Reactions
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Explore the fundamental principles of this law, unraveling its implications, and clarifying common misconceptions related to mass preservation in chemical reactions.
The Pricey 'Jenny' Stamp: Calculating Focal Length
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Explore the world of collectible stamps as we delve into the story of the rare 1918 'Jenny' stamp and its astonishing auction price. Join us to learn about the use of a simple magnifying glass to examine this valuable collectible and discover how to calculate its focal length.
Orbit Altitude: Astronauts Above Planet's Surface
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Embark on a celestial journey! In this video, we calculate the altitude above a distant planet's surface where a starship orbits. Discover how astronauts experience reduced free-fall acceleration and the fascinating dynamics of space travel.
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Sandal's Velocity Relative to Ship and Shore Observer
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Explore the intriguing physics of a sandal dropped from a moving ship and learn how to calculate its velocity relative to the ship and a stationary observer on shore.
How is work related to energy?
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Explore the profound link between these two fundamental concepts in physics, and understand how they relate through the Work-Energy Theorem.
