Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 11 - Vectors and the Geometry of Space - 11.1 Exercises: 49

Answer

$\|\mathbf{v}\|=(3,0)$

Work Step by Step

$\|\mathbf{v}\|=3\hspace{5mm}\theta=0^\circ$ An angle of 0 degrees means that there is no $y$-component meaning all of the magnitude is due to the $x$-component. So $\|\mathbf{v}\|=(3,0)$
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