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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 )j 2fsh 5/wiel* xq8uksimple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doubled, the period wuf 2si8lk) 5ehxq*j /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 oscillation T at ay qesd *f-htg1 74vhk) .idhu,ngular ampli ghs-dhd41 yft*, qev)uikh.7 tude $θ = 5^{\circ}$ 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 comzp8* jf 6x (f tz)e.r2n9ckhwnnected 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-qu hpmck)f8wr t9nz *2.f z(jex6arter 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 isjqs ,;4d w yea;k-7obt 67.0 cm and the pendulum boekw; as-yd o;b, qj47tb 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 sprme:u ,nv+7 lhqmhn7x5ing 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 m5 :hu m,+x nq7lm7hvenass 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 mass-spring system undergoing simple harmoni75ipjmgo.,/1gt4 dr6 hgw xbjc oscillation is T. If the ph6o7wjtg m4 dx5 i,.rg1/jbg
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 zb4ab /:i.dl/l nm94fvs;cyxT when it is released from rest at a posc/4z9fx s db nvy:b;.mali/4lition 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 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 objectq4. 5c aha+k:)on9lq1z jbv hx of mass M is connected 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 cj:5lzq qo haa.x9kb)1v 4+nhmass 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 a string swings back and forth as a pendulum9*w)nut drqr, with snapshots tu,rn*) qr9wd 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 oscillate3cq xrvu l1,gb8*bjm (s with a period of 2.0 s. If the maximum oscillation gjul1(rqbcb m 3x*v ,8of 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 bza*zt(;nu 3qvw ;/fbhob connected to the end of a very light string. Which one of thbzun;wfz/q (3vt ha;*e 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 mdov b5yexu4j-7xjx u4+s z6l /ass M and length L is pivoted at one end so that it swings as a pendulum. The rod is seuvdz 7 +je4 o64ul/x-s 5xjybxt 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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