Unit vectors Specify the units Physical Symbol Scalar S.I. Other quantity vector unit units time minute scalar: second hour s day year time interval minute scalar: second hour s day year distance scalar: metre mm travelled m km displacement mm (position vector m km vector) average speed scalar: m.s-1 km.h-1 speed scalar: m.s-1 km.h-1 (instantaneous) average vector m.s-1 km.h-1 velocity velocity vector m.s-1 km.h-1 (instantaneous) average vector m.s-2 acceleration acceleration vector m.s-2
Unit vectors Specify the units Physical quantity Symbol Scalar vector S.I. unit Other units time scalar: second s minute hour day year time interval scalar: second s minute hour day year distance travelled scalar: metre m mm km displacement (position vector) vector m mm km average speed scalar: m.s-1 km.h-1 speed (instantaneous) scalar: m.s-1 km.h-1 average velocity vector m.s-1 km.h-1 velocity (instantaneous) vector m.s-1 km.h-1 average acceleration vector m.s-2 acceleration vector m.s-2