PreparED Study Materials
Notes
Videos
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Electron's Journey: Work and Thermal Energy Transfer
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Join us for a journey with electrons in this video! We explore the motion of an electron through a resistive strip powered by a 12V battery. Discover the electron's direction, work done by the electric field, and the transfer of energy to thermal energy in the strip.
Doppler Effect: Source Velocity's Impact on Frequency Shift
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Explore the fascinating Doppler Effect and how it alters wave frequencies when a source or observer is in motion. Dive into the physics of frequency shift with formulas and practical examples, showcasing the significant impact of source velocity on observable frequencies.
Squirrel's Fall: Velocity and Deceleration Analysis
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Analyze the physics of a falling squirrel, calculating its velocity upon hitting the ground and the deceleration due to limb bending.
Electromagnetic vs. Gravitational Forces: A Comparative Analysis
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Explore the relative strengths of two fundamental forces, the electromagnetic force and the gravitational force, in this enlightening physics tutorial. Learn about Coulomb's law and Newton's law of gravitation, and uncover the significant difference in their constants that makes the electromagnetic force much more powerful than gravity.
Calculating Enclosed Charge Using Gauss's Law
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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.


