Question

A girl on a bicycle takes 12.2 s to ride half way around a circular track of radius 20.0 m (see the figure below).

(a)What is the girl's average speed (in m/s)?
 
(b)
What is the magnitude of her average velocity (in m/s)?
R
Δι
t = 0
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Transcribed Image Text:R Δι t = 0
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