Homework Help: Physics

Posted by Tig on Wednesday, February 8, 2012 at 8:36pm.

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.

Physics - bobpursley, Wednesday, February 8, 2012 at 8:53pm
avg velocity= change displacement/time=0

avg speed= distance/time=850m/110.6s

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