If you run a complete loop around an outdoor track (400 m) in 100 s, your average velocity is
A) 4.0 m/s.
B) 40,000 m/s.
C) 4.00 km/s.
D) 0.25 m/s.
E) zero.

Question

Quizplus · Accepted Answer

The average velocity is calculated as the displacement divided by the time. Since the displacement for a complete loop is zero (the start and end points are the same), the average velocity is also zero, regardless of the time taken to complete the loop.

If You Run a Complete Loop Around an Outdoor Track