KNES 300 Lecture Notes - Lecture 5: Vme Extensions For Instrumentation, Projectile Motion, Farad
13 Feb 2017
School
Department
Course
Professor
Document Summary
Gravity = only force acting on the body. Typically interested in both components: horizontal (px, vx, ax, vertical (px, vx, ax, note symbols and subscripts, independent of each other. Factors affecting projectile motion: projection speed, projection height, projection angle. Typical outcome variables: range: how far did it go? ( px, (cid:498)range equation(cid:499): don"t use this, peak height and time to reach it, final velocity (vx and vy; vector!) Suggested solution approach: solve the problem in two steps. Constant acceleration: gravity, ay = g = -9. 81 m/s2 (downward, ax = 0. What is a projectile: body under the influence of gravity alone, air resistance ignored (curveballs) Vertical components influenced by gravity; reflects ultimate height reached. Two separate problems (vertical, horizontal: known (constant) acceleration: ax = 0, ay = -9. 81 m/s2, horizontal velocity (vx) is constant (what is it?, vertical velocity (vy) is not constant. Step 3: identify what you want to know. Calculations procedure: 3. 1: calculate time-to-peak height (tup; eq.
