2个物理题,帮忙做算下.最好用英文
1.Twoidenticaltinyspherescarryingthesamechargeare1.0mapartcentertocenterinvacuumandexperienceanelectricalrepulsionof1N.Whatistheircharge?
2.Findtheratiooftheelectrostaticandthegravitationalforcesbetweentwoelectronswhentheyare1mapart.
不是要翻译啊
是要回答