Em 16/2/2011 21:02, Joe Koberg escreveu: > On 2011-02-16 16:51, Isaac Marino Bavaresco wrote: >> I was trying to do some gravitational calculations but I found several >> different values for G. >> Does anybody know what is the most accurate and current value? >> > Depends on the amount of earth between you and the planetary centroid. > > >From https://secure.wikimedia.org/wikipedia/en/wiki/Earth%27s_gravity : > >> The precise strength of the Earth's gravity varies depending on=20 >> location. The nominal "average" value at the Earth's surface, known a=20 >> standard gravity is, by definition, 9.80665 m/s^2 (32.1740 ft/s^2 ).=20 > > Check out the measured gravity map at that page! > > Joe I want to know the value of the "Big G", the Universal Gravitational Constant, not the acceleration due to the gravity. I've seen values from 6:6656e-11 m^3.kg^-1.s^-2 to 6.6873e-11, and also 6:67259e-11 and 6.67428e-11 (Wikipedia). --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .