A disc of mass $M$ and radius $R$ is rolling with angular speed $\omega $ on a horizontal plane as shown. The magnitude of angular momentum of the disc about the origion $O$ is
A disc of mass $M$ and radius $R$ is rolling with angular speed $\omega $ on a horizontal plane as shown. The magnitude of angular momentum of the disc about the origion $O$ is
- A
$\frac{1}{2}\,M{R^2}\omega $
- B
$M{R^2}\omega $
- C
$\frac{3}{2}\,M{R^2}\omega $
- D
$2M{R^2}\omega $
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