Propagación de error
\(\Delta V_{c} = \sqrt{(\frac{\delta V}{\delta r} . \Delta r)^{2}}\) , donde \(\frac{\delta V}{\delta r} = \frac{4}{3} . \pi . 3 .r^{2}\)
\(\)
\(\Delta \eta = \sqrt{(\frac{\delta \eta}{\delta r})^{2}.\left ( \Delta r \right )^{2} + (\frac{\delta \eta}{\delta \rho_{c}})^{2}.\left ( \Delta \rho_{c} \right )^{2} + (\frac{\delta \eta}{\delta \rho_{l}})^{2}.\left ( \Delta \rho_{l} \right )^{2} + (\frac{\delta \eta}{\delta v_{lim}})^{2}.\left ( \Delta v_{lim}\right )^{2}} \) (5)