PreparED Study Materials
PHYS 3008: Electromagnetic Waves and Optics
School: Columbia University in the City of New York
Number of Notes and Study Guides Available: 0
Videos
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
River Rescue: Angle for Direct Approach to Child
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us for a dramatic river rescue mission! In this video, we solve the problem of how a rescue team can reach a child in danger of drowning in a fast-flowing river. We calculate the angle from the shore for their pilot to approach the child directly, considering the river's current and the boat's speed. Explore the principles of vector addition and save lives!
Identifying Base Quantities in the SI System
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the fundamental base quantities of the SI system and test your knowledge with a quiz to identify which one is not considered a base quantity. Is it mass, length, energy, time, or are they all base quantities? Join us to find out!
Sedna: Solar System's Most Distant Object's Motion
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Journey to the outer reaches of our solar system with a captivating exploration of Sedna, the most distant-known object discovered in 2003. This enigmatic celestial body boasts a 1700 km diameter, a 10,500-year orbit around the sun, and a maximum speed of 4.64 km/s. Join us as we delve into the calculations of its elliptical orbit, its minimum speed, and the intriguing variations in its kinetic energy. Uncover the mysteries of Sedna's motion in this educational video.
hysics of a Coin Drop in an Ascending Elevator
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In an elevator ascending, an occupant drops a coin, which accelerates at a different rate than expected. This reveals the elevator's own acceleration towards the Earth. By analyzing forces and tensions, we determine the cable's tension to be 16000 N.
Slinky Stretch: Calculating Transverse Wave Speed
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the fascinating world of Slinky physics as we explore the speed of transverse waves when this iconic toy is stretched by a 2.0-N force. Dive into the science behind the Slinky's behavior!



