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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-massqapc+igj3b;. 6vg0m m system undergoing simple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doubled, the period p vm0 ig3bgq+mca; j6.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 maj 9p 5ne3.ugslss m and length Lhasa period of oscillation T at an9n .p lsge5j3ugular 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 connka, 5g/ 658zgi qgidzoected 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 to have one-quarter of it6g gogzq/,zk58i5d ias 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 cwzo1pd1 :ew9c,xv+km;3ph hjv1vg;f ord is 67.0 cm and the pendulumfo p1m : 1, hkc;1xvjpvz+;wvgehd9w3 bob 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 connecto9q ndz 787qa, tny.lged 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 oscillatiolnqo q ,.ynzg77t d9a8n. 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 undergoing simple harmonic oscillati k sek9fu1x:o6on is T. If ts x:u1ekf9k 6ohe
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 sdwah+ei:ug )4 oxyh *1)yhu2ppring oscillates with a period T when it is released from rest at a position A from equilibrium. Which one of the following choices correaey2h od4*uphg) ) iw1huy :+xctly 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 end of a long si col6bx0(yz+ tring 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 obj y 0+oxb(cl6ziect 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 back and forth as a pendulum wr+-cbbtu4 (joith snapshotsco4t rb (+-buj 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 pek:ifr tk3f6tia v)5t9riod of 2.0 s. If the maximum oscillation of the pef5 )93 6kfki :ivttartndulum 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 consistrjb .;ra(gb0 vs 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 the period of (.0vrbgj arb;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 end+eqh, i5wqx(71 u6ene8yh tpf so that it swings as a pendulum. The rod is set into simple harmonic oscillation and has a period of motion T. tf8 +eephx5e16 (w y7qn ,quih 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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