Mathematics

Problem

a. For vector

\mathbf{P}

with components

P_x = 3\,\text{cm}

and

P_y = 4\,\text{cm}

, determine its direction with respect to the positive x-axis (nearest degree). b. For vector

\mathbf{Q}

with components

Q_x = -4\,\text{cm}

and

Q_y = 3\,\text{cm}

, determine its direction with respect to the positive x-axis (nearest degree). c. Using your answers to (a) and (b), show that vectors

\mathbf{P}

and

\mathbf{Q}

are perpendicular to each other.