Y12 - Projectiles

• gravity acts towards the centre of the earth i.e. downwards. thus it is perpendicular to the horizontal velocity

1. s=16, u=80, a=0, t = ? therefore 16=80t therefore t = 0.2. so t=0.2 a = -9.8 u = 0, s=? so s=0.5*-9.8*0.2^2=0.196m therefore five points.