本刊2011年第1期刊有《错在哪里?》一文,文中作者就一道习题阐述了自己的见解,分析了另一篇文章的疏漏之处.题目如下:有一劲度系数为k,原长为l0的轻弹簧,一端固定于点O,另一端系一质量为m的物体.现将弹簧置于水平位置并保持原长,然后无初速释放.若物体在竖直 The first issue of 2011 issue of the article “Where is the fault?” The article, the author of an exercise on their own opinions, analysis of another article omissions. The title is as follows: There is a coefficient of stiffness k, the original length Light spring l0, one end fixed to the point O, the other end of a mass of m objects now spring placed in the horizontal position and maintain the original length, and then no initial velocity release If the object in the vertical