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 wave pat a- r i((fl2co;nyejt44t )lrftern diagrammed to the right is produced in a striohix 4 )d+/ aofr-by,5 iy( nox+zib5qng fixed at both ex4f,ayb + h( i+ nqi55zr-o)/ooxibydnds. The speed of waves in the string 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:
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