Home/Basic Physics/2D and 3D Motion/Projectile — horizontal velocity3. 2D and 3D MotionProjectile — horizontal velocityIn 3. 2D and 3D MotionFormulaCopy LaTeXvx=v0cosθv_x=v_0\cos\thetavx=v0cosθTagskinematicsphysicsphysics formulamotion 2D 3DprojectilesDetailThe horizontal component of a projectile's velocity remains constant.Explore the ideaExplore the ideaConditionswithout air resistance.Found an error? Contact us.Related formulasRelatedInitial velocity components of a projectilev0x=v0cosθ,v0y=v0sinθv_{0x}=v_0\cos\theta,\qquad v_{0y}=v_0\sin\thetav0x=v0cosθ,v0y=v0sinθOpen formulaOpen in sectionRelatedProjectile — horizontal positionx=x0+(v0cosθ)tx=x_0+(v_0\cos\theta)tx=x0+(v0cosθ)tOpen formulaOpen in section