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习题练习:Basic Concepts



 作者: admin发布日期: 2024-08-22 22:32   总分: 12分  得分: _____________

答题人: 匿名未登录  开始时间: 24年08月17日 15:43  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  
  95.18: The period of a spring-mass syye ( vbi;ph -ds:y0mu0stem undergoing simple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doubled, the period will bheup0;b( y iy-s dv0m:e:

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.11: A simple pendulum of mass m and length Lhasa perix w)b9c zz39ntod of oscillation T at angular amcnz3t)b9z 9xwplitude $θ = 5^{\circ}$ measured from its equilibrium position. If the amplitude is changed to $10^{\circ}$ and everything else remains constant, the new period of the pendulum would be approximately:

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.22: A point object is connected to the end of a long stnryz l*w m.qb5z- )b*uring of negligible mass and the system swings as a simple pendulum with period T. What is the period of the pendulum if the string is made to have one-quarter of its originabm*y*5)uz qn bwl.-z rl length?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.27: What is the period of a simple pendulum if the length of the co y ;cap6g /7cawyt/)c6/izs bord is 67.0 cm a6cw;a/o p ysaccz/i) by/ 7g6tnd the pendulum bob has a mass of 2.4 kg?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.49: Three identical Hookian80yrkt3dwsa( springs of spring constant k are connected as shown to a mass M in equ 3trys w(ka8d0ilibrium. The horizontal platform shown between the springs and the springs themselves have no mass. If the mass M is slightly displaced vertically, the mass exhibits simple harmonic oscillation. Assume that the horizontal platform does not rotate during the oscillations.What is the period of the oscillation?


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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.23: The period of a mass-spring system udd t9 6g)-fmcf x5- qufge kc(-q/kdi:ndergoing simple harmonic oscillation is )kgktg mdqicf(:dx-f du65q f9/e-c- T. If the
amplitude of the mass-spring system’s motion is doubled, the period will be

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.06: A mass connected to anxhb)yr :w,2ky ideal spring oscillates with a period T when it is released from rest at a position A from equilibrium. Which one of the following choices:wrhxk b2yy ), correctly identifies the period of oscillation for the mass connected to the same spring when it is released from rest at a position 2A from equilibrium?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.23: A point object of mass M is connected to the end of a long stu6n4o+uu b)/,)olxsvv xfo1qj2ngmyu8/ :z lring of negligible mass and the system swings as a simple pendulum with period T. The point object of mass M is now replaced with a point object of mass 4M. When this new system swings as a simple pendulum, what is its peri8 ) nlfxo/ 1/xbquo4ozu6u:n2gvs, lj +vy)muod?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.07: A mass connected to a string swings back and forth as a pendulum with .hnzh q :8h0 61hexvafsnapshots of th.v:n 1ha6h80f xehz qhe
motion seen in the figure. Ignore the friction in the system. Which of the following statements about the pendulum-Earth system is correct?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.09: A simple pendulum oscillawf a;fmgg 8y a0cj+1ts5j x;i9tes with a period of 2.0 s. If the maximum oscilla 9j1sf05yci;; wgt a8mxfa+j gtion of the pendulum is $4.0^{\circ}$ from equilibrium, what is the length of the string for this pendulum?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.05: A simple pendulum consists of a massive bob connected cu zjyz8;sfnvv mk 2b:u1s3+0to the end of a very light string. Which oneun1m 0 yzujvk 3fszs:b2cv ;8+ of the following changes should be made in order to increase the period of the pendulum? Ignore air resistance.

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.45: A long thin rod of mass M and ( 1askyr wb;-u/z2zxelength L is pivoted at one end so that it swings as a pendulum. z xwkybs2a e /zur1;-( The rod is set into simple harmonic oscillation and has a period of motion T. A second thin rod with mass 2M and length 2L also is pivoted at one end to swing as a pendulum. When this second rod is set into simple harmonic oscillation, what is its period?

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