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MediumVectors & geometry
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.1 Vectors and Dot Products, #29 · Multivariable Calculus · Vectors & geometry

(a) Find the position vector … and the velocity vector … when…

(a) Find the position vector and the velocity vector
when the point moves around the unit circle (see figure) with speed 1. (b) Change to speed 2.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.1 Vectors and Dot Products, #29

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