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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 under g.z(j*qr2bg vgoing simple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doub*qz2gg jr. (vbled, 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 periof5 h9 irr+;djlbn/9 c a8ykuyc21q/ gpd of oscillation T at angular a9 rr2+hny 8l ;pgf5ak/ccduib/9yq1jmplitude $θ = 5^{\circ}$ 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 tzw; 4zb4rlx*pdon/m n ab(j13o 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 pend*bl4j1xwz;nor( zn a3m b 4/dpulum 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 pendu j1gcgh-lu4b/uz d*x5lum if the length of the cord is 67.0 cm and the pendulum bob /xguj5bd1gh lzc u*-4 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,(9 zq in1ve-tx 7zvlnre4c5wected as shown to a mass M ier zi9, 7 5z1l4xet(vwnqv cn-n 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 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 masgo1mh 7e 1l4 ::vttkqcx.b3qlhsv7:ns-spring system undergoing simple harmonic oscillation is T. If thkbt:glhxhc14:e:.lv nvq3 77 q o1tm se
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 tr i01q4lg4)xju6h97clok36cereo3 lhb* isideal spring oscillates with a period T when it is released from rest at a position A from equilibrium. Whichho3 ci ecib rqhr4el69430s716og*l)lk tjux 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 co,bmu-da7k o 5,oce3qbsg0l tz *v2 kj0nnected to the 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 o b,gq szc7 m*b0,jo5-e20vku3tdalka 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 t (.lcodlm h,2kz p(dx,o a string swings back and forth as a pendulum with snapshots ofm(l .oc,xpd z(,l hd2k 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 of 2.0 s. If 1ksb s8tzox 0q)aepuj.e:w95 the maximum oscillation of the 8sq.uwzokebpe 1)t9axj 0:5s 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 consists of a massive bob connect /l92x ykj,pl *wt z3snu)rlm/ed to the end of a verxur 9*3pknml2/l/ ljys,) t zwy light string. Which 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 mxfnz ,l7- gr1wass 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 gzw-f,nl1 x7r 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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