大学物理(英语)a point charge q is placed at one corner of a cube of edge a.What is the flux through each of the cube surfaces?
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大学物理(英语)a point charge q is placed at one corner of a cube of edge a.What is the flux through each of the cube surfaces?
大学物理(英语)
a point charge q is placed at one corner of a cube of edge a.What is the flux through each of the cube surfaces?
大学物理(英语)a point charge q is placed at one corner of a cube of edge a.What is the flux through each of the cube surfaces?
这个不难.
6个面,分两种情况.
1.3个面,都和点电荷相接的,通量为零.
2.3个面,不和点电荷相接的,通量不为零.
这个用二元定积分算一下就是了,自己算吧.
如果是我,我会用计算机来算这个积分.
另外,你们应该是大学物理课程里面学到这个问题的.
我的看法,这种问题就是计算繁一点,没多大意思,
但是考试时候不会考的.
char point(char*p) {p+=3;return *P} main() {char b[4]={'a','b','c','d'},*p=b; point(p);printf(c
char point(char*p){p+=3;return *P}main(){char b[4]={'a','b','c','d'},*p=b;point(p);printf(c
,*p);}求输出结果,
大学物理(英语)a point charge q is placed at one corner of a cube of edge a.What is the flux through each of the cube surfaces?
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大学物理A难吗?
char a='a' ;cout
英语pivot point
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mark a high point
the point of a