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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 system undergoing simple harmonic motion is T7yjmrdv;a 1xx26o bh3. If the amplijohxmyr2x7dv1;a 63 btude of the spring-mass system’s motion is doubled, the period will be:

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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 pendyjh ).rgo q*l1ulum of mass m and length Lhasa period of oscillation T at angular amplitudeo. jlr* h1ygq) $θ = 5^{\circ}$ 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 a/ jhm.-c)(+agmebkt the end of a long string of negligible mass and the system swings as a simple pendulum with period T. What is the period of the pendulum ih /bcje.t(a)g- a kmm+f the string is made to have one-quarter of its original 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 6djr2ju q g+7/oyjo4lcord is 67.0 cm and t o 4jgy2qd7r6 oul+j/jhe 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 Hookian springs of spring constant k are conn ijl h;pzqpp;9lg. 80cected as shown to a mass M in equilibrium. The horizontal platform shown between the springs and the springs themselves have no mass. If the mass M is slightly displaced vertically, the mass c9l8lh.qzg; 0;pjpp i 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 sysd,4on+o 7aghftem undergoing simple harmonic oscillation id7n+ofahg,4 o s 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 an ideal spring oscillojz(6e n8r:mhoq4yz5 t)qliwp 6.p u.ates with a period T when it is released from rest at a position A from equilibrium. Which one of the following choices correctly identifies the period of oscillation for the mqp z6qt j5n)eo.w(l.h6 8ruoyipz:m 4ass 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 conne;: c:w /rvz uims,97rdq9 cdtycted to the end of a long string of negligible mass and the system swings as a simple pendulum with7u9q c, :wt9vzcdris;yr:m d / 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 period?

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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 pe8.wo8kkw r,igq l/vv8ndulum with snapshotsrvq wolwi.k8kg88v , / of the
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 oscillates with a period ofxpf8na g-+aq-8m0 *hlir7 qky 2.0 s. If the maximum oscillationa f0mlr7+ qq8- np*k x-ig8ahy 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 +,,mf pl+ r3s km:bess9 1xiobconsists of a massive bob connected to the end of a very light string. Which one of the folp+os sms+ rixb,k lm:f ,e193blowing 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 rb o;h(cmve+ 2uod of mass M and length L is pivoted at one end so that it swings as a pendulum. 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 isub;2ec(v mh +o set into simple harmonic oscillation, what is its period?

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