PreparED Study Materials
PHY 231: Introductory Physics I
School: Michigan State University
Number of Notes and Study Guides Available: 0
Videos
Motorcycle vs. Bicycle Acceleration Comparison
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Explore the fascinating comparison between the acceleration of a motorcycle going from 80 km/h to 90 km/h and a bicycle accelerating from rest to 10 km/h in the same time frame.
Calculating Work from Speed Change: Water-Skiing Physics Explained!
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Explore the physics behind a water-skier accelerating from an initial speed to a faster one. Learn how to calculate the work done using the change in kinetic energy. Understand the principle of energy conservation through real-world examples.
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.
Warming Inhaled Air: Volume Increase Calculation
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Explore the fascinating science of air temperature change in this video! We calculate how the volume of inhaled air increases as it warms from 0.0°C to body temperature. Discover the principles of thermal expansion in the human body.
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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.














