Which of the following gives the magnitude of the average velocity (over the entire run) of an athlete running on a circular track with a circumference of 0.5 km, if that athlete runs a total length of 1.0 km in a time interval of 4 minutes?
a. O m/s
b. 2 m/s
c. 4.2 m/s
d. 16.8 m/s
Answers: 3
, 
- Initial and final positions, measured in meters. 
, 
- Initial and final instants, measured in seconds.
, 
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, 
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Which of the following gives the magnitude of the average velocity (over the entire run) of an athle...
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