Determine the magnitude of the average velocity of the car for one complete lap. (A) \( \frac{r}...

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Determine the magnitude of the average velocity of the car for one complete lap.
(A) \( \frac{r}{t} \mathrm{~m} / \mathrm{s} \)
(B) \( \frac{\pi r}{t} \mathrm{~m} / \mathrm{s} \)
(C) zero m/s
(D) \( \frac{2 r}{t} \)
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