physics
posted by Marc .
A person is to run a circular track with a radius of 93 meters. The person starts at a certain spot and runs 3 and 1/2 times around the track in a time of 227 seconds. Find the magnitude of average velocity for this trip (vav) and find the average speed for this trip. Then subtract the magnitude of the average velocity from the average speed (avg. speed  vav). Answer in m/s.
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