A sprinter runs one complete round of a circular track of circumference in and stops…

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

Problem

A sprinter runs one complete round of a circular track of circumference

400\,\text{m}

80\,\text{s}

and stops where she started. Explain why her average velocity for the run is zero but her average speed is not zero.