A person walks east and then immediately walks west

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A person walks

5.0\,\text{m}

east and then immediately walks

5.0\,\text{m}

west, taking a total of

10\,\text{s}

. Explain in one or two sentences why the person’s average velocity for the entire trip is zero even though the person was in motion the whole time.