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Answers U6L1: 1. a) scalar; time does not have a direction b) vector; gravity has both magnitude and direction c) scalar; temperature does not have a direction d) vector; velocity has both magnitude and e) scalar; there is no indication of direction f) vector; weight is a force downward due to gravity g)
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Grab our printable vector worksheets to practice expressing vectors in polar form and finding resultant vectors, the magnitude, and the direction angle.
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Unit vectors are vectors that have a magnitude of 1 and have no units. These vectors are used to describe a direction in space. To find the unit vector of a vector, we divide each component by its magnitude. In this article, we will learn how to calculate unit vectors of vectors.
Unit Vector: i = j = Linear combination of unit vectors (or “sum of unit vectors”): Ex: Write <-3, 8> as a sum of unit vectors. _____ Ex: Write <0, -5> as a linear combination of unit vectors. _____ Ex: Find the vector with initial point X (5,5) and terminal point Y (-2,6) as a sum of unit vectors.
9 Σεπ 2019 · Practice Questions. Previous: Volume of a L-Shape Prism Practice Questions. Next: Use of a Calculator Practice Questions. The Corbettmaths Practice Questions on Vectors.
