Question $14$

$1$ pts

What is the angular velocity of the hour hand of a clock?

$\frac{}{21600}ra\frac{d}{s}$

$\frac{}{43200}ra\frac{d}{s}$

$\frac{1}{43200}ra\frac{d}{s}$

$\frac{1}{21600}ra\frac{d}{s}$