2-D Kinematics For 2-D, we simply apply the 1-D equations to each of the component equations △1 y=yr-yi △t △t Which can be combined into the vector equations Physics 121: Lecture 6, Pg 7Physics 121: Lecture 6, Pg 7 2-D Kinematics For 2-D, we simply apply the 1-D equations to each of the component equations. t v a x x   = t x vx   = t y vy   = t v a y y   = f i x = x − x f i y = y − y Which can be combined into the vector equations: