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2.3 Exercise 3

Avg difficulty 2.5

Verify that vector v^\hat{v} obtained in the example is indeed a unit vector by computing its magnitude. If the convoy in the example was moving across a desert flatland—that is, if the third component of its velocity was zero—what is the unit vector of its direction of motion? Which geographic direction does it represent?

OpenStax University Physics Volume 1, 2.3 Algebra of Vectors, exercise 3

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.