本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理
[单选题]
A mass is attached to qw.):zoiu)g05kgpps 4uns, u auvh4c uitc 5+- bf*s*z vertical spring and bobs up and down between points A and B. Where f+4siuzvt*5- bc*c hu is the mass located when its kinetic 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: B
本题详细解析:
暂无
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