本题目来源于试卷: Wave Basic Concepts，类别为 美国物理杯赛(Physics Bowl)
[单选题]
94.06: Which of the fobwint(;mkf; )llowing statements about the speed of waves xd+a0z j0ge9t5+kzvvon a string are truez0t0d9 va+ g jvzkx+5e?
I. The speed depends on the tension in the string.
II. The speed depends on the frequency.
III. The speed depends on the mass per unit length of the string.
A. II only
B. I & II only
C. I & III only
D. II & III only
E. I, II, & III
参考答案: C
本题详细解析:
暂无
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