PreparED Study Materials
PHYS 121: Physics 1 for Scientists
School: Carnegie Mellon University
Number of Notes and Study Guides Available: 2
Notes
Videos
Critical Angle for Total Internal Reflection
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Discover the magic of total internal reflection in this video! We explore how a ray of light refracts when traveling from glass into water. Find out the critical angle needed for total reflection, preventing any light from entering the water. Dive into the world of optics and refraction.
Estimating Car's Initial Speed from Skid Marks: A Physics Explanation
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Estimate a car's initial speed from skid marks using physics principles. Apply Newton's Second Law and equations of motion to deduce the initial velocity. Understand the role of frictional force in car deceleration during accidents.
Electric Field and Conductors: Point Charge Effects
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Explore the intriguing interplay of electric fields and conductors in this video. We examine how the presence of a point charge inside or outside a conductor affects the electric field. Join us to unravel the principles of electrostatics.
Rotating Wire Loop: Average Induced emf Calculation
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Discover electromagnetic induction with a rotating wire loop! In this video, we explore how a 12.0-cm-diameter wire loop generates an induced emf when it's aligned with a magnetic field in 0.20 seconds. Dive into the world of electromagnetic phenomena and uncover the average induced emf.