Areal velocity
= Areal velocity
{title2=$\dot A$}
{wiki}
The areal velocity is the rate at which the radius vector sweeps area. For specific angular momentum $h$, it is constant and equals
$$
\dot A=\frac12r^2\dot\theta=\frac h2.
$$
= Areal velocity
{title2=$\dot A$}
{wiki}
The areal velocity is the rate at which the radius vector sweeps area. For specific angular momentum $h$, it is constant and equals
$$
\dot A=\frac12r^2\dot\theta=\frac h2.
$$