A,B两个小球用绝缘的细线悬挂在支架上,A球带2*10^-3C的正电荷,B球带等量的负电荷,两悬点相距3cm,在外加水平匀强电场作用下,两球都在各自悬点正下方处于平衡状态,则该场强大小是多少?(两
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![A,B两个小球用绝缘的细线悬挂在支架上,A球带2*10^-3C的正电荷,B球带等量的负电荷,两悬点相距3cm,在外加水平匀强电场作用下,两球都在各自悬点正下方处于平衡状态,则该场强大小是多少?(两](/uploads/image/z/2325853-37-3.jpg?t=A%2CB%E4%B8%A4%E4%B8%AA%E5%B0%8F%E7%90%83%E7%94%A8%E7%BB%9D%E7%BC%98%E7%9A%84%E7%BB%86%E7%BA%BF%E6%82%AC%E6%8C%82%E5%9C%A8%E6%94%AF%E6%9E%B6%E4%B8%8A%2CA%E7%90%83%E5%B8%A62%2A10%5E-3C%E7%9A%84%E6%AD%A3%E7%94%B5%E8%8D%B7%2CB%E7%90%83%E5%B8%A6%E7%AD%89%E9%87%8F%E7%9A%84%E8%B4%9F%E7%94%B5%E8%8D%B7%2C%E4%B8%A4%E6%82%AC%E7%82%B9%E7%9B%B8%E8%B7%9D3cm%2C%E5%9C%A8%E5%A4%96%E5%8A%A0%E6%B0%B4%E5%B9%B3%E5%8C%80%E5%BC%BA%E7%94%B5%E5%9C%BA%E4%BD%9C%E7%94%A8%E4%B8%8B%2C%E4%B8%A4%E7%90%83%E9%83%BD%E5%9C%A8%E5%90%84%E8%87%AA%E6%82%AC%E7%82%B9%E6%AD%A3%E4%B8%8B%E6%96%B9%E5%A4%84%E4%BA%8E%E5%B9%B3%E8%A1%A1%E7%8A%B6%E6%80%81%2C%E5%88%99%E8%AF%A5%E5%9C%BA%E5%BC%BA%E5%A4%A7%E5%B0%8F%E6%98%AF%E5%A4%9A%E5%B0%91%3F%EF%BC%88%E4%B8%A4)
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