Subjects/Basic Physics/Vectors/Magnitude of a vector1. VectorsMagnitude of a vectorIn 1. VectorsFormulaCopy LaTeX∣A∣=Ax2+Ay2+Az2Detailcomputes the magnitude of a vector from its Cartesian components.VariablesAx,Ay,Azcomponents of the vector.Related formulasRelatedUnit vectoru^A=∣A∣AOpen formulaOpen in sectionRelatedCartesian decompositionA=Axi^+Ayj^+Azk^Open formulaOpen in sectionRelatedDot productA⋅B=ABcosθOpen formulaOpen in section