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 a ve6 awu*:pda 4*rpzgd pn d+-xs 4wj2ux:rtical sm3;c pcre; k;ieew+/k)ty ,sb pring and bobs up and down between points A and B. Where is the mass located when its potential energy is mke;3r+cpwe t;/,b )i eysc;k 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:
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