Physics

Problem

A runner completes one full lap around a

400\,\text{m}

circular track in

80\,\text{s}

and stops exactly at the starting point. Which statement is correct regarding his average speed and average velocity for the lap? a) Both average speed and average velocity are

5\,\text{m}\,\text{s}^{-1}

. b) Both average speed and average velocity are

0

. c) Average speed is

5\,\text{m}\,\text{s}^{-1}

and average velocity is

0

. d) Average speed is

2.5\,\text{m}\,\text{s}^{-1}

and average velocity is

0

Browse the problem library