2: Vectors In Two Dimensions Last updated May 8, 2023 Save as PDF 1.1: Constants, Variables, and Expressions 2.1: Vectors Page ID125027 ( \newcommand{\kernel}{\mathrm{null}\,}\) 2.1: Vectors2.2: Addition, Subtraction, and Scalar Multiplication of Vectors2.3: Magnitude, Direction, and Components of a Vector2.4: The Dot Product of Two Vectors, the Length of a Vector, and the Angle Between Two Vectors2.5: Parallel and Perpendicular Vectors, The Unit Vector2.6: The Vector Projection of One Vector onto Another