Physics

Problem

A student walks

4\,\text{km}

due east and then

3\,\text{km}

due north. Find the direction of the resultant displacement with respect to the east. a)

53.1^{\circ}\text{ north of east}

36.9^{\circ}\text{ east of north}

36.9^{\circ}\text{ north of east}

31.0^{\circ}\text{ north of east}