本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 国际高中通用物理
[单选题]
A mass is attached to o*mb .bofzy6x7d4 r,u a vertical spring aj9ef9n 3 d j2km+1juihvawm5*nd bobs up and down between points A and B. Where a+e3jd9 1uwmvh9mn2j* ijfk 5 is the mass located when its potential energy is a maximum?
A. at either A or B
B. midway between A and B
C. one-fourth of the way between A and B
D. none of the above
参考答案: A
本题详细解析:
暂无
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