View source for Mott Criterion

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=== Usage ===
This template calculates surface gravity ''g'' of a spherical body of the mass M and radius R:

<math>g=\frac{G*M}{R^2}</math>.

G is the [[gravitational constant]]. The template should be used in the following way:

<nowiki>{{Gr|M|R|PRE}}</nowiki>,

where M is body's mass in 10<sup>21</sup>&nbsp;kg, R is radius in km and PRE is the number of digits after decimal dot in the result (default is 3). The result is expressed in m/s<sup>2</sup>.

Example (escape velocity of [[Titania (moon)|Titania]]): M=3.526{{Esp|21}}&nbsp;kg, R=788.9&nbsp;km.

g={{Gr|3.526|788.9}}&nbsp;m/s<sup>2</sup>.

=== See also ===
* {{tl|V2}} — computes escape velocity.

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