Subjects/Basic Physics/2D and 3D Motion/Relative velocity3. 2D and 3D MotionRelative velocityIn 3. 2D and 3D MotionFormulaCopy LaTeXvP/A=vP/B+vB/ARelated formulasRelatedAverage vector velocityvmed=ΔtΔrOpen formulaOpen in sectionRelatedVector additionR=i∑AiOpen formulaOpen in section