PreparED Study Materials
PHYS 144: PHYS 144
School: Christopher Newport University
Number of Notes and Study Guides Available: 1
Notes
Videos
Amusement Park Divers: Speed and Physics Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Step into the thrilling world of amusement park divers as we explore the physics behind their jaw-dropping stunts. Diving from a platform 21.3 meters (70 feet) above a pool of water, we investigate the announcer's claim that divers enter the water at a speed of 56 miles per hour (25 meters per second). We'll also uncover the possibility of divers leaping directly upward to achieve a specific water entry speed and examine the physical feasibility of such a feat. Join us for an educational journey
Electric Potential at Circle Center with Symmetric Charges
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating world of electric potential as we calculate the value at the center of a circular arrangement of five equally charged particles. Join us for a captivating journey into electrostatics and symmetry in this enlightening video.
Geosynchronous Satellite Speed and Acceleration
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating world of geosynchronous satellites in this video. Learn how these communication satellites are strategically placed in circular orbits, staying directly over fixed points on the Earth's equator as our planet rotates. We delve into the physics behind these orbits, calculating the speed and acceleration of a satellite in geosynchronous orbit, using the Earth's radius and altitude as reference. Gain a deeper understanding of the science that enables global communications.
Counting Significant Figures in Numerical Values
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us in exploring the concept of significant figures in numerical values. Learn to identify and count significant figures in various numbers, from whole numbers to decimals. Understand the precision and accuracy of your measurements through this engaging video.
Orbit Altitude: Astronauts Above Planet's Surface
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
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