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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 har+.n ls4 4hq0 fb7pdz 6r+rdwtk( 8mwegmonic motion is T. If the amplitude or wt+z+4ddlgq mn 4krsehb7w6(p.f80f 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 pendulum of mass m )oz(sf s isjei1:; on(and length Lhasa period of oscillation T at angulsfn s(eo:;ioszj) i1 (ar amplitude $θ = 5^{\circ}$ 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 string of negligible mvf vedri 0m--o j3/e4mass and the system swings as a simple pendulum with period T. What is the period of the pendulum if the string4-3edjm/-v0vri oe mf 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 lengpi(t )bgl wmjc.i2d85th of the cord is 67.0 cm and the pendulum bo2 b .tmicjwpl5g)di(8 b 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 kf w09 dojtr.nihito,, bko) ** 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 is slightly displaco, 0r*w .j)ot f*bt,hkn9 iioded 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 und9x:d fwim h 8y2z(i7ywergoing simple harmonic oscillation is T. If tf7(i:dyy9hw 8zwxm 2ihe
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 oscoeg8a:)je (b vk -nu l;-t/emfillates 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 tn 8)mf-e-j: ee(u aotl b/vgk;he 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 kfm2jsf 5:eez h 9tcn5u1qf6a 4mj5m ,end of a long string of negligible mass and the system swings as a simple pendulum with periodez 1 595et4jnf :uc6,jhf asmf5q2mkm 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 0d*i6l p 59-i,grzrg d) wlrbuback and forth as a pendulum with snapshots of the5iw 9glgupl*rrd- 6z 0ri) b,d
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 oseotu9dqej9+ ) cillates with a period of 2.0 s. If the maximum oscillation o 9tdj )ue9eq+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 conlrc o 6vzx6*+mo 6hcc2sists of a massive bob connected to the end of a very light string. Which one of the following changes szh6ro 2o +xclv6*cc6 mhould 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 is pivoted at one u)5xe;9mam 4ll-pf do 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 is set into simple harmonic oscmf4u )-p95 ol;eamdl xillation, what is its period?

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