Class 3: Projectile motion Class 3: Projectile motion Projectiles - PowerPoint PPT Presentation

Class 3: Projectile motion Class 3: Projectile motion

Projectiles Projectiles v v = = + ˆ ˆ Initial condition : r ( ) (0) (x ( , , y y ) ) and v ( ) (0) v i v j j 0 0 0 0 x0 x0 y0 y0 Horizontal (x) motion Horizontal (x) motion Vertical (y) motion = + v v a t y y y y y y 0 0 t 1 = + + = 2 y y v t a t v v 0 y0 y x x0 2 = + = + 2 2 v v 2a (y - y ) x x v t y y0 y 0 0 x0 A y = g or –g, depending on the choice of coordinates

v v v y 0 θ θ (x 0 y 0 ) (x 0 ,y 0 ) g x