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A circle of radius 8m has its center on the y axis at y = 8 m.

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A circle of radius 8m has its center on the y axis at y = 8 m. You start at the origin and walk along the circle at a steady speed, returning to the origin exactly 1 min after you started. 

(a) Find the magnitude and direction of your displacement from the origin 15, 30, 45, and 60 s after you start. 

(b) Find the magnitude and direction of your displacement for each of the four successive 15-s intervals of y our walk. 

(c) How is your displacement for the first 15 s related to that for the second 15 s? 

(d) How is your displacement for the second 15-s interval related to that for the last 15-s interval?

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