Dx
A copper peny has a mass 3g. A total of 4 x 10^12 electrons are transferred from one neutral penny to another. If the lectrostatic force of attraction between the pennies is equal to the weight of a penny, what is the separatio between them?
what do i do here, i donno where to begin?
Dx
what do i do here, i donno where to begin?
Dx