Question

A birds flies 3.0m west and then flies 5.0m south.

a) Draw the bird resultant displacement (d).

b) |d|

c) Direction of the bird’s resultant

Answer 1

a) The sketch:

b) Determine the magnitude of displacement:

$$|d|=\sqrt{3^2+5^2}=5.83\text{ m}.$$

c) The direction:

$$\theta=\arctan\frac{5}{3}=59°\text{ S of W}.$$