# What is the angular momentum of an object with a mass of 7 kg that moves along a circular path of radius 2 m at a frequency of  19 Hz ?

Feb 4, 2016

$L = 532 \cdot \pi$

#### Explanation:

$m = 7 k g$
$r = 2 m$
$f = 19 H z$
L=I* omega "(angular momentum")
$I = m \cdot {r}^{2} \left(\text{r:radius,m:mass}\right)$
$L = m \cdot {r}^{2} \cdot \omega$
$\omega = 2 \cdot \pi \cdot f \text{(omega :angular velocity)}$
$L = 7 \cdot 2 \cdot 2 \pi \cdot 19$
$L = 532 \cdot \pi$