A displacement vector is 21 km in length and is directed 60 degrees S of E. Which of the following is TRUE? A. Its x- and y- components are 11 km and 10 km, respectively. B. Its x- and y- components are both 10 km. C. Its x- and y- components are 10 km and 11 km, respectively. D. Its x- and y- components are both 11 km.

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.