You can pretty much count on anything that projects itself into 3D spacing dropping off by the square of the distance.
Oh.
Well, how is it then that gravity, while weaker, has a longer-range effect? A small hand magnet can overcome the attraction of the
entire planet Earth but only within a quarter-inch. The gravity of the Earth holds satellites in its sway 36,000 KM away.
I'm a physics idiot, and I welcome the chance to pose questions to people who know. Percy, you just volunteered.