Physics - Mechanics - Kinematics - Projectile motion - Projectile Motion Explained

A 6-step lesson. Step 1: 'Projectile motion = constant horizontal velocity + accelerating vertical motion (due to gravity)'. The key insight: horizontal and vertical motions are INDEPENDENT. Step 2: 'Horizontal: No acceleration. vx = u·cos(θ), x = vx·t'. Step 3: 'Vertical: Acceleration = g downward.