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Equations for horizontally launched projectiles. Horizontal Motion Δx = V x Δt V x = V xi = constant Vertical Motion Δy = +½ g •(Δt) 2 V yf = +g •Δt V yf 2 = +2g •Δy Overall Final Velocity V f 2 = V x 2 + V yf 2. Equations for Projectiles Launched at an Angle.
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Equations for horizontally launched projectiles Horizontal Motion Δx = VxΔt Vx = Vxi = constant Vertical Motion Δy = +½ g •(Δt)2 Vyf = +g •Δt Vyf2 = +2g •Δy Overall Final Velocity Vf2 = Vx2 + Vyf2
Equations for Projectiles Launched at an Angle Δx = Vi (cosθ) •Δt Vxi = Vi (cosθ) remains constant Vyi = Vi(sinθ) Δy = Vi(sinθ) • Δt + ½ g •(Δt)2 Vyf = Vi(sinθ) + g •(Δt) Vyf2 = Vi2(sinθ)2 + 2g •(Δy) Overall Final Velocity Vf2 = Vx2 + Vyf2