问题标题:
2个物理题,帮忙做算下.最好用英文1.Twoidenticaltinyspherescarryingthesamechargeare1.0mapartcentertocenterinvacuumandexperienceanelectricalrepulsionof1N.Whatistheircharge?2.Findtheratiooftheelectrostaticand
问题描述:
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
施宝酉回答:
1.F=k*Qq/R^2=>1=9*10^(-9)*q^2/1^2[identical的意思是完全相等的.之后把q求出来就是电量了.而且要注意,repulsion是互相排斥,就是说带得同种电荷.]2.上面求得是electrostaticforce,要求gravitationalforce,就用...
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