A hiker walks at an angle of north of east

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A hiker walks

5\,\text{km}

at an angle of

60^{\circ}

north of east, and then

5\,\text{km}

due east. Determine the magnitude of her total displacement from the starting point. (a)

9.7\,\text{km}

(b)

8.7\,\text{km}

(c)

10\,\text{km}

(d)

7.5\,\text{km}