If a body revolves n times in a circle of radius `pi` cm in one minute, then its linear celocity will be

Options

A. `(60)/(2n)cm//s`
B. `(2n)/(60)cm//s`
C. `(2pi^(2)n)/(60)cm//s`
D. `(60)/(2pi^(2))cm//s`

Answer

C

Explanation

`v= r omega =(2pi r )/(T)= ((2 pi xx pi )/(60))n`