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]
The mass of a mass-and-spring system *2qipv6f cl: gk e,wr;is displaced 10 cm from its equilibriui)c9 d5ijn crml ixozl(e 9 g1is/59o3m position and released. A frequencysio (iro9xc )9gl1m/zci l edn 35j5i9 of 4.0 Hz is observed. What frequency would be observed if the mass had been displaced only 5.0 cm and then released?
A. $2.0 \; Hz$
B. $4.0 \; Hz$
C. $8.0 \; Hz$
D. none of the above
参考答案: B
本题详细解析:
暂无
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