\magnification=\magstep1

$$
{\rm mass} \quad \propto \quad {\rm length}^3
$$

$$
{\rm mass} \quad \propto \quad {\rm length}^p
$$

$$
{\rm Period} \quad = \quad K * {\rm diameter}
$$

$$
{\rm Period} \quad = \quad K * {(\rm diameter)}^{0.5}
$$


\bye
