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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 ,p 2mzypyed0 -1ymesbiao+p 3o)y-0s harmonic motion is T. If the amplitude of the spring-masm p sbzo21-p-ieasy)yy0m+3 , e0 podys 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 6y 52wqhz8m**d jdnql of oscillation T at angqj8n6dy 5*hz* q 2lwdmular 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 con/h e tn-pmu/nzzq*+sq4 (b;,cmw.q mfnected to the end of a long string of negligible mass and the system swings as a simple pendulum with period T. What is the pem .bnc zq(h wq/f*-pm+n /qmes,zu4t;riod 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 ih5 39hj g*amp)w-ch smf the length of the cord is 67.0 cm and the pendulum bob has a mass ofwcmp ha9shhm)-j * g53 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 d9kbzlly*( .er q+ht 0 Hookian springs of spring constant k are connected as shown to a mass M in equilibrium. The horizontal platform shown between the spri l(e0h.*dt9q z+lkybrngs 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 al/hv)2fk5qv sy m5)ci mass-spring system undergoing simple harmonic oscillation is T. If the /2 )yq)5chv5lki svfm
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 period T when i jf6y7vf *(dakt is released from rest at a position A from equilibrium. Which one of the following choices cyv ffa k(j67d*orrectly 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 k-lnn 8j8f1 exktox 86mass M is connected to the end of a long string of negligible tx8 x k1 nlo68fk8enj-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 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 connecq9le wi6jh7i/ted to a string swings back and forth as a pendulum with snapshotwq9jie /h6i7 ls of 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 pqqr ; ut4tvrzw8x:16qk; 3zt lq1wj 1period of 2.0 s. If the maximum oscillationlq rv: t;1t8zqzr tw upwjkx1; 416q3q 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 consists of a massive k7p w.eoscnx9a4 r 9ki3r,8kmbob connected to the end of a very light string. Which one of the following changes should be made in order to increase the period of the pendulump489,7 r3 k9semn.cxw riokk a? 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 masv hx.f if2 tathw-*9l2s 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 2L also is pivoted at one end to swing aif9x t flv- hh2.t*a2ws a pendulum. When this second rod is set into simple harmonic oscillation, what is its period?

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