Answer to Question #102814 in Mechanics | Relativity for Jendeukie

Question

At one point Alice is running due west at 6 m/s. Later she is running due east at 4 m/s. How could we write her velocities to show that they are in opposite directions?

Answer 1

Let eastwards be the positive direction, so

$$v_1=-6\frac{m}{s}$$

$$v_2=4\frac{m}{s}$$