PreparED Study Materials
PHY 2170: General Physics
School: Wayne State University
Number of Notes and Study Guides Available: 13
Notes
Study Guides
Videos
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!
Earth's Measurements: Circumference, Surface Area, and Volume
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore Earth's dimensions in this video! We calculate its circumference, surface area, and volume. Join us to understand the scope of our planet, both in its physical size and mathematical concepts.
Understanding L-C Circuit Dynamics: Voltage Current & Energy Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricate dynamics of an L-C circuit as we analyze voltage current and energy transitions between a 60.0 millihenry inductor and a 250 microfarad capacitor. Understand the principles of energy transfer and storage in this system. Uncover key insights from calculations on capacitor charges and inductor energies at specific circuit conditions.
Capacitor Potential, Separation, and Work Calculations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the concept of capacitance and learn how to calculate potential difference, the impact of separation, and the work required for a parallel-plate air capacitor.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Estimating Car's Initial Speed from Skid Marks: A Physics Explanation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.



























