本题目来源于试卷: Wave Behavior C.1 Simple Harmonic Motion，类别为 IB物理学
[单选题]
A spring-mass systemkvnnq5pcd g1(wi,yl :/-1 kph)1bvcowx 9 d3plnru)f z2y -8vc+p p9p executes simple harmonic motion with an amplitude of 20cm and maximum elastic potential energy of 100J. What is the displacement of the massu+ 1p) -rxv dlo2f 3npbvcc9p)9y wpz8 when the elastic potential energy of the system is 25J?
A. 20 cm
B. 15 cm
C. 10 cm
D. 5 cm
参考答案: C
本题详细解析:
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