f = m a
U = H r
R2 = 6370 km
E = mc^2
V = \frac{1}{3} \pi r^2 h
p = \frac{F}{S}
g = 9.81 m/s^2
\Delta U = Q + W
W = \Delta Q = Q = C_v + C_r
R2 = 6370 km
J = \frac{1}{2} \omega T^2
T = 2 \pi \sqrt{\frac{l}{g}}
\Delta t = t_2 - t_1
\Delta \omega = \frac{\Delta \theta}{\Delta t}
U = \epsilon d
v = \frac{d}{t}
R = \frac{V}{H}
p = \frac{m}{V}
\Delta t = T_2 - T_1
\frac{G m_1 m_2}{r^2} = const
