Posted by **Alex** on Saturday, January 21, 2012 at 4:10pm.

Two iron spheres each have a volume of 10 cm^3 and a mass of 78g. How many electrons must be placed on each sphere so that the electrostatic force of repulsion between them just balances the force of gravitational attraction? Assume the distance between the spheres is more than 2 meters.

## Answer This Question

## Related Questions

- Physics HELP!! - Two iron spheres each have a volume of 10 cm^3 and a mass of ...
- Physics - Two insulated charged metallic spheres A & B have their centres ...
- physics - how many excess electrons must be placed on each of two small metal ...
- Physics - Two small spheres spaced 20.0 centimeters apart have equal charge. How...
- Physics - Two very small spheres are initially neutral and separated by a ...
- physics - Two spheres are placed so that their centers are 2.6 meters apart. The...
- physics - Two spheres are placed so that their centers are 2.9 m apart. The ...
- Physics - 1. The electrostatic force of attraction between two small spheres ...
- Physics - wo very small spheres are initially neutral and separated by a ...
- Physics-mechanics - Two spheres are placed so that their centers are 2.6 m apart...

More Related Questions