international gravity formula

international gravity formula

[¦in·tər¦nash·ən·əl ′grav·əd·ē ‚fȯr·myə·lə]
(geodesy)
A formula for the acceleration of gravity at the earth's surface, stating that the acceleration of gravity is equal to 9.780327[1 + 5.3024 × 10-3 sin2φ - 5.8 × 10-6 sin22φ] m/s2, where φ is the latitude.
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