Subjects/Basic Physics/2D and 3D Motion/Average vector velocity3. 2D and 3D MotionAverage vector velocityIn 3. 2D and 3D MotionFormulaCopy LaTeXvmed=ΔtΔrRelated formulasRelatedVector displacementΔr=rf−riOpen formulaOpen in sectionRelatedInstantaneous vector velocityv=dtdrOpen formulaOpen in section