This function calculates the total acceleration due to gravitation and centripetal force at the earth's surface according to the WGS84 international gravity formula.

acc_wgs84(latitude)

Arguments

latitude

The latitude in degrees.

Value

g given in units of $m/s^2$

Note

Source: http://solid_earth.ou.edu/notes/potential/igf.htm

Examples

acc_wgs84(50)
# Returns: 9.8107 $m/s^2$