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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: 游客未登录  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 t fno66/ekz+nr//v2 yygq. ob le v66kxraveling on a string tied at both ends. If sinusoidal waves with a frequency of 2.00 Hz are traveling on this string, which one of the followlnk+/y f6vqko2ze 6 n6rx /b.o/ ev6gying 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 prodyt0xg3 w-,cj/ .dm bcm6o 9.cgiti-xfuced. Which one of the following choices best di/-. gyb cfcj3cx ott6wi,xm d9m.0g -escribes the location on the string at which maximum constructive 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 calledn1)gj:cnay(pdz l 8*x

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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 w n f/sl)hh;nq pa 8rk)38bxyzom0;-fuave pattern diagrammed to the right is produced in a string fixed at both ends. The speed of waves in the)fb;)n o8np/f rxh kahy qu3sl;z 80-m 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. When a frequency of 60 Hz is-. .libw m5*j.t txpqgdy.hg5 applied, the string vibrates in the standing wave pattern showbjdi xy- gth .q.5t 5gp..w*lmn 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 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 to a mass M, th0*0 jyncbr ,+ / s3(vtevjnxfm6jje,dat provides the tension in the string. A length L of the string has a fundamental frequency of vibratio*(+/ve6 f y bvjmxe0nrtc, jnj,0 jd3sn 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 vibrated at constant f)i-+(xlef0i,a isw uft r y/z6.t7uc vrequency f. Initiallutvr.z0i y+x-t f wic ,i/)efa7us(l6 y, 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? 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 are stretchby,2og1td 9 9ixib az5ed 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 f, z bb9xoiy 5at2d1g9iundamental 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 enz x(zich02 pvntv.;*xx :fa0rds is vibrating at its second harmonic. What is the wavelength associated with the string rxv2z(f .0hp0z;c vx*tni:xafor 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 mechf z41eu f9s e(nragw lu;5 s+:srsj*i5gi,ml3anical oscillator on one end and to a cube-shaped mass ???? = 8.0 ????????, a59+gf ssg5us(j*14l;e ,wrlaznmrfu3s i ei:t 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 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 connecte5 qxygojh8a:ej q7)) e.lmd3p d to 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 wave in the figure on the left. When the mass i d )epo) yemhqj7xj.g5qal:38s 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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