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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: 游客未登录  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 hx dn0yc6u5mq/ad cl+k ob8i- +armonic motion is T. If the amplitude of the sprin /-yua8c5qodcdb0klmi6 ++xng-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 and length Lh)p-.q0o t *0fuzmkmikasa period of oscillation T at angular ampli *ktm.o-)0zpqmfu 0 iktude $θ = 5^{\circ}$ 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 strin,c.dujhpkh 36v u.xe8g of negligible mass and the system swings as a simple pendulum with period T. Whaeh6 pc3xku.ud8 .j,vht is the period of the pendulum if 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 cord jtk yc:-/ qt6nis 67.0 cm and the pendulum bob has jyt-nq/:tk 6ca 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 Hooo*f e3v*mc ,fdkian springs 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 is slightly displaced vertically, the mass exhibits simple harmonic oscillation. Assume that the horizontal platform does not rotate during the oscillations.What is the per,fomv* d* 3feciod 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-springrrer- a 5sr8,e system undergoing simple harmonic oscillation is T.5 res8-re ,rar 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 oscc68l gg0jj /hkjx 0w:villates 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 r8j6kjg/0 vjxc hg0w:leleased 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 longo h, qdjzmoal+6fh,c:(5vc.k string of negligible mass and the system swings ahdv 6qfc h(ozl a5kc.j,om +,:s 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 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 sbvusv0bx(db3k te:hs rl4 t c/o8n)1 0+ hi7la string swings back and forth as a pendulum with snapshots of the3brlsv enlhustdcti0bok( )8xvb:0 /17 sh4 +
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 oscil0 x :xwc8lfm2rlates with a period of 2.0 s. If the maximum oscillation of the pendulum lxxwm rc820f: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 co4 k2antpf6 ug .m(l,a0cvc v7cnsists of a massive bob connected to the end of a very light string. Which one of the following changes should be made in order to increase th, 4(a.cvunp2lgmtc 7a6cv0fke 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 qny+ .k,+q.rox ijwb *c+5 trrend 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. +..yrjcr*t+ rqw, xb5q+ionkWhen this second rod is set into simple harmonic oscillation, what is its period?

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