https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:kinematics/x077f5683c1428fac:motion-in-2d-and-3d/a/kinematic-vectors-in-2d-and-3d 2026-07-05T23:30:42.949568196Z Learn and try: Kinematic vectors in 2D and 3D Explore how a position vector can be used to describe an object's location in two or three dimensions. Learn how to represent vectors in unit vector notation. Apply concepts from geometry and trigonometry to analyze vectors. Apply calculus to an object's position vector as a function of time to determine its velocity and acceleration vectors. article https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:kinematics/x077f5683c1428fac:motion-in-2d-and-3d/e/kinematic-vectors-in-2d-and-3d 2026-06-30T04:10:47.863261627Z Kinematic vectors in 2D Apply your knowledge of kinematic vectors in 2D in this set of free practice exercises. Emily Cizmas exercise https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:kinematics/x077f5683c1428fac:motion-in-2d-and-3d/v/projectile-motion 2025-10-06T13:00:43.565068281Z Projectile motion Motion in multiple dimensions can be analyzed using one-dimensional kinematic relationships if the motion is separated into components. Projectile motion is a special case of two-dimensional motion that has zero acceleration in the horizontal dimension, and constant acceleration of magnitude g in the vertical dimension. Mahesh Shenoy video https://cdn.kastatic.org/ka_thumbnails_cache/a3cf4d10-863a-40c2-bf5a-9c54410c176f_1280_720_base.png Projectile motion Motion in multiple dimensions can be analyzed using one-dimensional kinematic relationships if the motion is separated into components. Projectile motion is a special case of two-dimensional motion that has zero acceleration in the horizontal dimension, and constant acceleration of magnitude g in the vertical dimension. https://cdn.kastatic.org/ka-youtube-converted/txJP95lBv98.mp4/txJP95lBv98.mp4 687 Motion in 2D and 3D https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:kinematics/x077f5683c1428fac:motion-in-2d-and-3d/a/what-is-2d-projectile-motion 2026-06-11T15:51:08.167305227Z Learn and try: Projectile motion Use a PhET simulation to explore the motion of a projectile. Apply the kinematic equations to objects moving in two dimensions with constant acceleration in each dimension. Discover the independence of a projectile's horizontal and vertical motions. article https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:kinematics/x077f5683c1428fac:motion-in-2d-and-3d/e/2d-projectile-motion-concepts-quiz 2026-06-19T17:56:42.733541135Z Projectile motion Apply your knowledge of projectile motion in this set of free practice questions. Yuki exercise https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:kinematics/x077f5683c1428fac:motion-in-2d-and-3d/e/graphs-for-2d-projectiles 2026-06-19T17:56:42.733541135Z Projectile motion graphs Apply your knowledge of projectile motion graphs in this set of free practice questions. Yuki exercise