Asked by Brooke
How many electrons must be removed from each of two 5.40kg copper spheres to make the electrical force of repulsion between them egual in magnitude to the gravatational attraction between them?
Answers
Answered by
bobpursley
Set columb force equal to gravity force.
GMM/r^2=kqq/r^2
solve for q, which is coulombs.
then
numberelectrons= q/e
GMM/r^2=kqq/r^2
solve for q, which is coulombs.
then
numberelectrons= q/e