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习题练习:Stationary wave on string



 作者: admin发布日期: 2024-08-03 17:17   总分: 11分  得分: _____________

答题人: 匿名未登录  开始时间: 24年08月03日 17:17  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.04: The wave speed is 20.0 m/s for waves traveling a *utl*9/x 0ons(ibngon a string tied at both ends. If sinusoidal waves with a frequency of 2.0 i/ s*g*tx0(nuo9abn l0 Hz are traveling on this string, which one of the following choices best represents the period of these waves?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.04: A standing wave fek0ews3 iu( ,lrgr 7)on a string is produced. Which one of the following choices best describes the location on the string at which maximum constl3 7u r(gers)w0k i,efructive interference occurs?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.37: A place of zero displacement on a standing wav9 +c4.64;f - ffobdzumt-usnm0ep nlle is called

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.19: The standing wave pattern diagrammed to- tos*4z h rtz76 .elj/xnaa)x the right is produced in a string fixed at both ends. The speed of h7r-z6x tltje.a4x *osa) /nz waves in the string is 2.0 m/s. What is the frequency of the standing wave pattern?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.19: A string is firmly attached at both ends. Whenaiq4w:b0 y 4fw a frequency of 60 Hz is applied, the string vibrates in the standing wave pattern shown to the right. Assume the tension in the string and its mass per unit length do not change. Which of the following frequencies could NOT also pf qwa 40biw:4yroduce a standing wave pattern in the string?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.45: A light inextensible string is connected to a mass M, that provides xh-y xh j02,shthe tension in the string. A length L of the string has a fundamental frequency of vibratioj 0hxh-s2hy, xn of $f_M$. If a second identical mass is now connected to the original mass, the new fundamental frequency of the string $f_{2M}$ of string length L in comparison to the fundamental frequency with only one mass connected $f_M$ is

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.49: A uniform stringa/xe8pj z 9e,ndt.l0b clamped at both ends is vibrated at constant frequency f. Initially, its vibration forms a standing wave with three antinodes. The tension in the string is gradually increased until the next standing wave mode appears. By what factor has the tension in the string changed? A 8ntp9ajz.e/l ex0,dbssume that the string maintains the same dimensions throughout the tightening

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.29: Two separate strings of th e,9 98acr.kjqrar* bne same thickness are stretched so that they experience the same tension. String B is twice as dense as String A. String A, of length L, is vibrated at the fundamental frequency. How long is String B if it has the same fundamental freque a8c9qa 9er*,brrknj.ncy as String A?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.06: A 1.50 m-long string clamped at 99zc*sv(;inx fr6d+qbyuru ( both ends is vibrating at its second harmonic. What is the waveleud6(zr9f(ysr+bnqu9v xci ;* ngth associated with the string for this scenario?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string is connected to a mechanical oscillator on one end and to aa,4 ct+g+j exy-gqe mp6yx2o9 cube-shaped mass ???? = 8.0 ????????, at the other enogxeea9+ - p gt4qmyy2j+x ,6cd 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 submerged 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?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string is connected to a mechanical oscit4 rklu se,(9i+ hjwl8:0ww dwllator on one end and to a cube-shaped mass ???? = 8.0 ????????, at the other end as shown. The oscillator vibrates the stiwle4+9,tw0kw:dr s 8(jlw huring with a frequency of f producing the standing wave in the figure on the left. When the mass is submerged completely in water, the string vibrates in the standing wave pattern shown


16.38: What is the length of one side of the cube of mass M?

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