Question

Erin is running laps around an oval track that is 400.00 meters long. After running 8 laps the stops at the line where she started. Her coach says you shouldn't be tired since your velocity was zero. Explain.

Answer 1

Step-by-step explanation:

Displacement is the difference between the final position and the initial position. Since Erin finished where she started, her displacement is zero.

Velocity is displacement over time. Since Erin's displacement is zero, her velocity is also zero.