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]
A string is connected t 0cx s6kqpv /qq;u2 -afgs 8a+go a mechanical oscillator on one end and to wn, *bub2ddk9hwg 7y/ 9:zhs w(w*jhn a cube-shaped mass ???? = 8.0 ????????, at the other end as shown. The oscillator vibrates the string with a frequency of f producing the standing wave in the figure on the left. When the mass is subm 9z b* h 2hd9w/w,dsjn nhgub(yw7:w*kerged completely in water, the string vibrates in the standing wave pattern shown.
16.37:What is the value of the ratio for the tension when the mass is submerged in water to the
tension when the mass is hanging in air?
A. 4
B. 2
C. $\frac{1}{\sqrt{2}}$
D. $\frac{1}{2}$
E. $\frac{1}{4}$
参考答案: E
本题详细解析:
暂无
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