David Sang and Graham Jones Solutions for Chapter: Kinematics: Describing Motion, Exercise 12: Question

A velocity of $5.0 {\mathrm{ms}}^{-1}$ is due north.  Subtract from it another velocity that is $5.0 {\mathrm{ms}}^{-1}$ due south.

A velocity of $5.0 {\mathrm{ms}}^{-1}$ is due north.  Substrata from it another velocity that is $5.0 {\mathrm{ms}}^{-1}$ due north.

A velocity of $5.0 {\mathrm{ms}}^{-1}$ is due north.  Subtract from it another velocity that is $5.0 {\mathrm{ms}}^{-1}$ due west.

A velocity of $5.0 {\mathrm{ms}}^{-1}$ is due north.  Subtract from it another velocity that is $5.0 {\mathrm{ms}}^{-1}$ due west.  Subtract from it another velocity that is $5.0 {\mathrm{ms}}^{-1}$ due east.