PreparED Study Materials
PHYS 2101: PHYS 2101
School: Louisiana State University
Number of Notes and Study Guides Available: 4
Notes
Videos
Triangle Masses: Net Force and Side Length Effects
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the gravitational forces at play in a triangle of masses in this video. We calculate the net force on each mass and explore how changing the side length impacts these forces. Join us for a gravitational journey through physics.
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!
Electric Field and Conductors: Point Charge Effects
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Calculating Resistance and Current in a 6.00-V Car Electrical System
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to determine the hot resistance and current in the electrical system of older cars with a 6.00-V voltage supply.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Kinetic Energy: Saturn 5 & Apollo at 11.2 km/s Speed
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to calculate the kinetic energy of a Saturn 5 rocket with an Apollo spacecraft attached using physics principles and formulas. Understand the importance of unit conversion and the work-energy theorem as you plug values into the KE = 1/2 mv² formula. Discover that the kinetic energy for this rocket and spacecraft combo is an astonishing 1.82 x 10¹³ Joules.



















