Template:Example expression for common use by ParserFunctions and TeX: escape velocity/doc

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{{#tag:math|v_e = {{Example expression for common use by ParserFunctions and TeX: escape velocity|f}}={{Example expression for common use by ParserFunctions and TeX: escape velocity|d}}={{Tex number|{{Example expression for common use by ParserFunctions and TeX: escape velocity|c}}}} m/s}} gives:

$v_{e}={\sqrt {\frac {2GM}{R}}}={\sqrt {\frac {2\times 6.67\times 10^{-11}\times 5.97\times 10^{24}}{6.37\times 10^{6}}}}=1.12\times 10^{4}m/s$