Question

Ali walks 440m east, 250m south 80m east. Find the distance and displacement

Answer 1

Distance:

$$d=440+250+80=770\ m$$

Displacement:

$$s=\sqrt{(440+80)^2+250^2}=577\ m$$

Direction:

$$\theta=\arctan{\frac{250}{520}}=25.7\degree\text{S of E}$$