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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 on a string tied at botkjd jouzoj)w+1h 8;n0 h ends. If sinusoidal waves with a frequency of 2.00 Hz are traveling on this string, which one)jo1ojz+0n jd h8kw ;u 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 on a string is produced. Which one of the following:nchx a/i,vxqetfig6- y3o5) choices best describes the location on the string at which maximum -i:vy3ao ) t,qxif 6/ex5nchgconstructive 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 wave is c3pxck. ,0v 8lvcu7 tzxt2t5hyalled

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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 dip 4 o*4vjpm)k5svw76ky(lcwlagrammed to the right is produced in a string fixed at both ends. The speed of waves in the string is 2.0 m/s. What is the f7c4v4 y)*kkm l5p(psw6olwvjrequency 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. Wh pxk. r-a9/uyaju5k) ren 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 .uax -y)ak /rj5upr k9per unit length do not change. Which of the following frequencies could NOT also produce 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 tofdu-e 0yxd0 7u a mass M, that provides the tension in the string. A length L of the de-7ud yuf0x0 string has a fundamental frequency of vibration 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 string clamped at both ends is vi 3v ldvxji0rn s7:)dt)wc-yds),r sp-brated at constant frequency f. Initially, its vibration forms a standing wave with three antinodes. The tension in the string is graduallyrlty:v pvss)sr 3j-)wd0) dn d7,xc- i increased until the next standing wave mode appears. By what factor has the tension in the string changed? Assume 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 the same thickness ar0hol d -7lq1sx1 a8nabe stretched so that they experience the same tension. String B is twice as dense as String A. String A, of len 0lo7sxl-ab18hdq1 angth L, is vibrated at the fundamental frequency. How long is String B if it has the same fundamental frequency 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 both ends )bemj, 70:ah s bjb w4ayfq3c:is vibrating at its second harmonic. What is the wavelength associated with th )m7:b, qj3 ysa0a4j:w bcbhfee 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 toxlv 9b+opgt+f yz* ,x/k/7 rgb :tr, u4chpi,x a mechanical oscillator on one end and to 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 *b ctot7 gkh/u+r,x/bg4,rx:i,vl+p z y 9pfx 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 oscillator on one end and to a 6nm) obamy w. aer6t3l90bg4lcube-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 submerged completely in water, the string vibrates in the standing wave pl4 mw366r te). ab9g myn0boalattern shown


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

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