Posted by Becky on Wednesday, June 6, 2012 at 6:48pm.
consider forces
kQ^2/distance^2=GM^2/distance^2
solve for q, then
number electrons=q/e
Related Questions
Physics - Two spherical objects with a mass of 2.88 kg each are placed at a ...
physics - A distance of 1 m separates two objects, one with a mass of 2 kg and ...
physics - A 450 kg spherical mass is placed 4.40 meters away from a 550 kg ...
Physics?? - Two children sit 2.60 m apart on a very low-mass horizontal seesaw ...
physics - A student proposes to measure the gravitational constant G by ...
Physics - "Two masses, 2000kg and 5000kg, are placed 20m apart. A third ...
Physics - Charges on objects (check + help) - Two identical objects have charges...
Physics - Coulombs Law - Two identical objects have charges 6.0*10^-6 and -2.0*...
PHY - Two objects attract each other gravitationally with a force of 3.5 10-10 N...
Physics - Four objects - a hoop, a solid cylinder, a solid sphere, and a thin, ...
For Further Reading