$$Z = \frac{V_0^2}{g} \hspace{.05cm} \textrm{sin} \hspace{.05cm} 2 \hspace{.05cm} \alpha$$

$$x (t) = A \hspace{.1cm} \textrm{cos} \left( \omega \hspace{.05cm} t + \varphi \right)$$

$$T^2 = \frac{4 \hspace{.05cm} \pi^2}{G M} \hspace{.05cm} a^3$$

$$E_p = \hspace{.1cm} – \hspace{.1cm} G \hspace{.05cm} \frac{m \hspace{.05cm} M}{r}$$

\begin{align*}
&x’ = \gamma \left( x \hspace{.15cm} – \hspace{.05cm} V \hspace{.05cm} t \right) \\
&y’ = y\\
&z’ = z\\
&t’ = \gamma \left( t \hspace{.15cm} – \hspace{.05cm} \frac{V \hspace{.05cm} x}{c^2} \right)
\end{align*}