If a body takes ‘t’ seconds to go once around the circular path of radius ‘r’, the velocity ‘v’ is given by

1
\(v = \frac{t}{{2\pi r}}\)
2
\(v = \frac{{2\pi r}}{t}\)
3
\(v = \frac{{2\pi {r^2}}}{t}\)
4
\(v = \frac{{\pi r}}{{2t}}\)

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