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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 harmonic motion iiq:mc2,ekqj8/e1xv 9 e)0on* q k;hdf/wji nz s T. If the amplitude of the spring1 xi ehj,*q9/qf) dw2mzvo8jk icen/nek;q 0: -mass 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 masss d.xguw)jzh0t7 fl4- m and length Lhasa period of oscillation T at angular ampli7)w. 0zg 4hxtufd sj-ltude $θ = 5^{\circ}$ 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:fh8ji ao m5/9xx,xhv string of negligible mass and the system swings as a simple pendulum with period T. What is tv,if x5hxm ho9/:xja 8he period 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 if the l90 : gr5n9jb96y8 m lvdsh0 deqzb5sfkength of the cord is 67.0 cm and the pendulum bob has aeb9mbq569vd0f50n9ssyd kl r h8zjg : 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 constan(t+n 4x e;ovcnp--kqft 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 slightly displaced vertically, the mass exhibits simple harmonic oscillation. Assume that the horizontal platform does not rotate during the onqn; ce-+t v(kx4o fp-scillations.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-sprinpo, y;,s5 z: 4wpw kk)f1at+tbpdem(g g system undergoing simple harmonic oscillation5a,,z (w+ep tfsw pt4om )y;p1gkkd:b is T. 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 idealz/ g7-s ki1e,zv+leq i spring oscillates 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 7 ,+e- i/ q1keglvziszto 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:f5ro2jl79 5p tipxit 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 a point object of mass 4M. When this new system swings as a simple pendulum, 5iixft7 rlp jto952: pwhat 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 with qxj 1j*ic qre )x3 yqha98b;u* 39paresnaps3 qp ye*qb* q8c 3rhiajer 9)1xu;9xajhots 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 2.0 s. jk-1h9o.8k0) fkj*tk k phs qeIf the maximum oscillation9k) oqh01tkj-8p fksh*kjke. 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 bob connekj v; id+y/kzd:5 +wwa7dsw s/cted to the end of a versy/ dj+dk +:/ai5s wvkw;7dzwy 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 mass M and len;mf oyu)kau9f2**l.iehc+:x *fhi grgth 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 as a pendulum. When this second rod is set into simple harmo9hh+2 agl fxek f*:f i;omu*ru y*)i.cnic oscillation, what is its period?

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