Home/Basic Physics/2D and 3D Motion/Instantaneous vector velocity3. 2D and 3D MotionInstantaneous vector velocityIn 3. 2D and 3D MotionFormulaCopy LaTeXv⃗=dr⃗dt\vec v=\frac{d\vec r}{dt}v=dtdrTagskinematicsDerivativephysicsphysics formulamotion 2D 3DprojectilesDetailDerivative of the position vector with respect to time.Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedVector accelerationa⃗=dv⃗dt=d2r⃗dt2\vec a=\frac{d\vec v}{dt} =\frac{d^2\vec r}{dt^2}a=dtdv=dt2d2rOpen formulaOpen in section