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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 simx4u+ gy98rgt3ele ;l*hct *l tple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doubled, the period wiy34relxulg tc t*g*9 ht+e8; lll 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 pendulum of mass m and length Lhasa period of oscilshyrflw f5qz3 4 pivdn,95s9rs* (zk 9lation T at angular amplitps, h*wq5(y d59s nrlzi9r9 zff3k 4vsude $θ = 5^{\circ}$ 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 csodyk 9g ;s0u8onnected to 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 if the string is made to have one-quarter odo9gksu0 s8y; f 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 cyvmcrm(t k)a-tzp5kf:7 e c ,7ord is 67.0 cm and the pendulum bob has a mass of 2.4 fmtcpc tz7)y7v k(, - m5ke:arkg?

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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 f3kkq9fb.rf5 of spring constant k are connected 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 iskqf9b5 f3k f.r 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 undergoing simple nr7lw ), gl smq5cp0h)harmonic oscillation is T. mlh07lc)qn p s) wr,g5 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 sp, - *v*muflydlring oscillates 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 mass connected to the same spring when it is released from rest at a position 2A from equili-, mld*y* uvlfbrium?

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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 ir 5v-dn) gd 5rb,1u1fd7rn/m ucrnf3qd(8o hos connected to the end of a long string of negligible mass and the system swings as a simple pendulum with period T. The point object ov ud m1,/(dnbn3q dr15gor nr8f7)cru5d hf-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 a/ 3e v2e.bp0p2bujsaoo .ymx) nd forth as a pendulum with snapshots of th o3 m )x0sb2j.uv2.pp ebyaeo/e
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 of 2.0 s. If the mw.tc :cnpv(2-d ja1bm 2j+ cdoaximum oscillation of the pendulbv:2d2atcj1 nmj-c+ op( dwc.um 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 consi neojd8,j-s8 o)ke( iasts of a massive bob connected to the end of a very light string. Whic) ksej(ia8-8o n,o djeh one 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 length L x;v 87b;zct *h yem,v9 ecs4stis 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 onv7sc8c4 m*x ;th9set, bveyz; e end to swing as a pendulum. When this second rod is set into simple harmonic oscillation, what is its period?

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