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 ss8-maci1l7m hystem is dispj7 .9xlx5654fa qt9r slb p-wxgx/xcqlaced 10 cm from its equilibrium position and released. A frequency of 4.0 Hz is observed. What frequency woug xq 4-.swx 6q9rc/9alxtfxjx75blp5 ld 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
| 
