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 attached to the frfw taa*lgtv -/8xti-64 94obyx8x un ps7b /nwee end of a sb+w gu b4)oudaw74g)*udk*d bpring executes simple harmonic motion according to *wgu) 4 kg 4*wbd bbod+)7uduathe equation $y = 0.50 \; \sin (18\pi \times t)$ where y is in meters and t is seconds. What is the period of vibration?
A. $9.0 \; s$
B. $18 \; s$
C. $1/9 \; s$
D. $1/18 \; s$
参考答案: C
本题详细解析:
暂无
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