For a displacement vector

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

For a displacement vector, the rectangular components are

d_x = 3.2\,\text{km}

and

d_y = -4.6\,\text{km}

. Find: (i) the magnitude of the displacement, and (ii) the unit vector along the direction of the displacement.