Chapter 3: Position / Displacement Displacement is just change in position △X=X1-X 10 meters 15 meters Xf Joe O △x=5 meters Displacement is a vector quantity a vector quantity has both magnitude and direction a scalar quantity has only magnitude and no direction Physics 121: Lecture 4, Pg 3Physics 121: Lecture 4, Pg 3 Chapter 3: Position / Displacement Displacement is just change in position. X = xf - xi Displacement is a vector quantity A vector quantity has both magnitude and direction A scalar quantity has only magnitude and no direction 10 meters 15 meters O xi Joe xf x = 5 meters {