Question

A person takes time t to go once around a circular path of diameter 2r.what is the speed of this person

Answer 1

s= dist/t
$dist. = \pi \: d \\ 2\pi{r}$
$s = \frac{d}{t} \\ \frac{2\pi \: r}{t}$

Answer 2

Answer:

2πr/t

Explanation:

Here is the answer of this question