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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 Tta pvo/ 8 p;;(6efw9xrrw3giy . If the amplitude of the spr;9p/ i(y6geao38 wrwtv ;rfx ping-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 Lhasa period of os.2*0pxf-yii/q fa nko/7ao knx6ju5icillation T at angular7oa xk./n/fj in-xp 50qf *2uao 6ikyi 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 k86d+a9dy il jconnected 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 8 dld y6kj9+iato 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 pendw5ry rq+h,5vtzh t5nyl6o-( qsk6 -pxulum if the length of the cord is 67.0 cm and the pendulum bobyw+6 ,hl q-n z-o5r55pthqytsk6v(rx 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 cons1urpm/w3; /5jkbomu a1(p+l)ff x bogtant 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 sligr g1f)1ak mlb(up f3b oj;p+ox/ u5/wmhtly 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(kc ( sxksgf1 pxc8l+mp*k9-r undergoing simple harmonic oscillation is T. pk9kx (cs- mgsk1+8lcr*fp( xIf 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 oscillates with a pere 7q9 ow7,ixexiod T when it is released from rest at a position A from equili7ioqe9 7 e,xwxbrium. 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 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:wzbz ph -l(r56x zzl7 end of a long string 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 ll5 zz:zr7(hpwxzb6- 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 connecte3x:m/ vqul24 ; mv vtnkfon8g5krb+l.d to a string swings back and forth as a pendulum with snapshots of thklvmvmn5lgr t ;qvk4.x f 2:bu3+8o/n 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 periotfl /8tnkuyf)sbfy.q.4bel,v1p.7d/e l/wm d of 2.0 s. If the maximum oscillation of the pendu),qu 4ftylbv7d/l.plmwtb. 1.8 s/f/k n efeylum 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 vmwe2rg rpix;3., yk 9k-v(xjmassive bob connected to the end of a very light string. Which one of the following changes should be made in order to increase the pe,gkmp;ry evk-vwj23r.i 9x x(riod 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 rod1sk vk k s-cetd4 1s9*4i89tq1bg4 i qnudun2k of mass M and length L is pivoted at one end so that it swings as a pendulum. The rod is su nti*gd1icq4-k1nk 8t4bs s 2d9q1e usvkk94et 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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