two disks(one radius is R,the other radius is 2R)
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two disks(one radius is R,the other radius is 2R)
and a flat ring (inner radius is R,outter radius is 2R) each with the same uniform charge Q.Rank the objects according to the magnitude of the electric field they creat ar point P.(P is above the disks and ring,at the same level)
and a flat ring (inner radius is R,outter radius is 2R) each with the same uniform charge Q.Rank the objects according to the magnitude of the electric field they creat ar point P.(P is above the disks and ring,at the same level)
于是你的问题是什么...这里只有描述
再问: i said the question.... "rank the electric field on P"
再答: 讲中文
再问: 不好意思,由于当时在学校没法打中文,不过现在也不用了,谢谢浏览。。。 还有,既然你看懂题了,为什么这么反感我在追问里还用英文、、、
再问: i said the question.... "rank the electric field on P"
再答: 讲中文
再问: 不好意思,由于当时在学校没法打中文,不过现在也不用了,谢谢浏览。。。 还有,既然你看懂题了,为什么这么反感我在追问里还用英文、、、
two disks(one radius is R,the other radius is 2R) and a flat
two disks(one radius is R,the other radius is 2R)
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