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

Class 3: Projectile motion Class 3: Projectile motion

Projectiles Projectiles

j ˆ v i ˆ v (0) v and ) y , (x (0) r : condition Initial

y0 x0

+ = = v v j ( ) ) y , ( ( )

y0 x0

Horizontal (x) motion t a v v

y y y

+ = Vertical (y) motion Horizontal (x) motion v v t a 2 1 t v y y

x0 x 2 y y0 y y y

= + + = t t v x x ) y

• (y

2a v v

x0 y 2 y0 2 y

+ = + = Ay = g or –g, depending on the choice of coordinates

v v v

θ (x0 y0) y θ (x0,y0) g x