Question
A runner completes an 850m race with two laps of the 425m track in the x-y plane centered at the origin in 1 mins, 50.6s . A runner rounds the track counterclockwise starting at the point (67.6 , 0).
Find the runner's average velocity for the race.
Find the runner's average speed for the race.
Find the runner's average velocity for the race.
Find the runner's average speed for the race.
Answers
bobpursley
avg velocity= change displacement/time=0
avg speed= distance/time=850m/110.6s
avg speed= distance/time=850m/110.6s
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