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]
The mass of a mass-and-s(o khtr+onal9b .-eu /prin; a0 3lwf 7ny;1gemrgcg system is displaced 10 cm from its equilibrium position and released. A frequency of 4.0 Hz is observed. What frequency woul3gr0a1lnwfc gey ;7m; d 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
|