The average angular velocity of the seconds hand of a watch if the seconds hand of the watch completes one revolution in `1` minute is

Options

A. `(pi)/15 rads^(-1)`
B. `(pi)/30 rads^(-1)`
C. `(pi)/45 rad s^(-1)`
D. `(pi)/7 rads^(-1)`

Answer

B

Explanation

`omega=(2pi)/60=(pi)/30 rads^(-1)`