本题目来源于试卷: Stationary wave on string，类别为 美国物理杯赛(Physics Bowl)
[单选题]
97.19: The standing s9 qtt9s8ks6owcw c7x8nqg*.j k b o*2wave pattern diagrammea g3wu;+0i0w 6xrd*du7q:sie , zavayd to the right is produced in a string fixed at both ends. The speed of waves in the string a dz gxu+ qa,i06y dw;usv:waier30*7 is 2.0 m/s. What is the frequency of the standing wave pattern?
A. 0.25 Hz
B. 1.0 Hz
C. 2.0 Hz
D. 4.0 Hz
E. 8.0 Hz
参考答案: D
本题详细解析:
暂无
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