1. The problem statement, all variables and given/known data A runner completes 6 1/2 laps around a 400m track during 12min reun test. What is the runners displacement at the end of the 12 min? 2. Relevant equations 3. The attempt at a solution Well the distance covered is 2.6km or 2600m in 720s, avg speed = 3.61m/s So I calculated the dispalcement to be: 200m, because he is 200m from his inital position, but the correct answer is 160m is anyone able to help?