来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/08/27 06:01:49
世上最无语的物理题~根本就是数学题么
An electron moving along the x axis has a position given by x = 15te^-2.3m, where t is in seconds. How far is the electron from the origin when it momentarily stops?知道就是对此公式求导,平且让其等于0,求x,可是不知道怎么解,求真相帝~多谢
x = 15te^-2.3m