Recent content by dwach

Thank you for the quick response Delphi51. In this question I need 2 digit accuracy so would you suggest that I carry 3 digits through the intermediate steps?

Homework Statement Two negatively charged objects repel each other with a measured force of 6.3 N when they are 0.5 cm apart. If the excess charge on one of the objects is caused by 8.3 x 10^22 extra electrons, use Coulomb's Law to calculate the number of excess electrons on the second object...