Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 3 - Vectors - Problems - Page 57: 10a



Work Step by Step

If $\overrightarrow {r}$ is the sum of two vectors $\overrightarrow {r}=\overrightarrow {c}+\overrightarrow {d}$, then $\Rightarrow$ $ r_{x}=c_x+d_x;$ $r_y=c_y+d_y;$ $r_{z}=c_{z}+d_{z}$ So we get, $r_{x}=c_{x}+d_x=7.4+4.4=11.8$
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