## Fundamentals of Physics Extended (10th Edition)

$-5.8$ m
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, $r_{y}=c_{y}+dy=\left( -3.8\right) +\left( -2.0\right) =-5.8$ m