PreparED Study Materials
PHYS 11120: Introduction to Astronomy
School: Rowan University
Number of Notes and Study Guides Available: 0
Videos
Models in Relativity and Quantum Mechanics: An Explanation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Highway Lane Dividers: Musical Notes & Speed Calculation Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the physics behind the musical notes produced when car tires interact with highway lane dividers. This video explains the "stick-slip friction" phenomenon and its relation to tire vibrations. Learn how analyzing sound frequencies can offer insights into vehicle speeds
Calculating Jet Engine Thrust for Cruising Speed
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Dive into the world of aviation as we calculate the thrust required for a medium-sized jet to maintain a cruising speed of 230 m/s at a specific altitude. Explore the impact of air density and drag coefficients on aircraft performance.
Doppler Effect: Source Velocity's Impact on Frequency Shift
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Gymnast's Forces: Ring Hold and Floor Support
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us as we explore the dynamic world of gymnastics and the forces at play. In this video, we analyze a gymnast's routine on the rings, calculating the forces involved. Learn how the gymnast's body interacts with the rings and the floor, and discover how changes in arm angles affect the forces. Dive into the physics of human movement and gymnastics.










