PHYS 1750: SELECTED TOPICS in PHYSICS
LECTURE 05. Projectiles and Reative Motion
A. | Vector Displacement, Velocity, and Acceleration | ||
1. | Displacement: difference between two position vectors | ||
2. | Velocity: displacement change divided by scalar time interval | ||
3. | Acceleration: velocity change divided by scalar time interval | ||
3.4. | Projectile Motion | ||
1. | Independence of components | ||
a. | Cartesian coordinates again | ||
b. | Analyze each component independently | ||
2. | Projectiles move on vertical plane | ||
3. | Vertical acceleration is g | ||
4. | Horizontal acceleration is zero | ||
3.5. | Relative Motion | ||
1. | Boats and rivers, airplanes and wind... | ||
2. | All motion is relative... |