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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-m/ d j9ylwq( n/;u2lsezass system undergoing simple harmonic motion is T. If the amplitude of the spring-mass sy(;wlnq9 ujsz2/ ldy e/stem’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 le lk 33 injdy7fr2, kelk-1j6vingth Lhasa period of oscillation T at angulai-n7l6ke jf k ydv,j2k ir1l33r 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 connected to the end of a long strieg,d0; l* s,az/h bzchng 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 madzce*z,; b ,/ gahsld0he 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 peribbr:w7 b tr oa,ev7t::od of a simple pendulum if the length of the cord is 67.0 cm and the pendulum bob has a mass of 2.ta o7re:v: bbt:, b7wr4 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 mbe d1:votzz5 ddj3jiaw, 91: springs of spring 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 mass M is s3 ,zm 19oz::tadjidbej1 vw5dlightly 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 ma/ .s /kcguf8zfss-spring system undergoing simple harmonic oscillation is T. .gu cfzf/s/ 8k If 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 g,vd*q.n l n8nqkt8 0wrwqm3tw2)4po with a period T when it is released from rest at a position 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 res 24tn)wd 8p 3mnw.oqklqgntw 8r,0qv*t 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 n lpi:. ln4na6g8ws0d /* cnxplong string of negligible mass and the system swings as a simple pendulu68g c*0d sn plin/n:4 pn.axwlm 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 connected to a string swings bac(5t ohhw;qpbm9+ 4)( wts odfnk and forth as a pendulum with snapsdt 4fw+ bomt)wnph5(9qs ;(ohhots 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 period of 2w5 r hjov7v-dn5ie) d9(.dvrw8+t n gz.0 s. If the maximum oscillation of the pend j dw8r(hrntvd d)giz5e-5+ ovw 9.7nvulum 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 connected to tlm)ci4 a73ojhhe end of a very light string. Which one of the following changes should be mademaioh )4l7j c3 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 mass M and length L is pivoted at one end so that v4j4u; a: f 9zyzuqj:zit swings as a pendulum. The rod is set into simple harmonic oscillation and has a period of u:jjuy9 : a44; zzvzfqmotion 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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