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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 u4gstfaqu ; /ue;.l l/indergoing simple harmonic motion is T. If the amplitude of the spring-mass s il/ feu4;tag;.qusl/ ystem’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 Lhaa) fswgzoikxz 54x**co y 3(.isa period of oscillation T at angul ayko)gw 4.cf(z x5zxis**o3i ar 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 lonzwzf jq* i/,u9;lcm6;:mm yft g string of negligible mass and the system swings as a simple pendulum with period T. What is the period of the pendulum itq cz; ;m*9ji,l w:ymfuf/6zmf 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 length of the cord2ensk4h90ooy wt1 d2t is 67.0 h40yo1o2 nwts9kted2 cm and the pendulum 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 connec:ug jp qf;0 e1q u:vu *t;r:nz0bc8wdyted as shown to a mass M in equilibrium. The horizontal pl r;y0:t g:qu n 8bzdwv0qucu p;*ejf:1atform 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 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 undergn3o sg++ x jrnno4x/c(oing simple harmonic oscillation is T. xr+n nj(no/4ogc+3s xIf 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 i(qrkhb:u 8 b2j4be.oldeal spring oscillates with a period T when it is released from rest at a position A from equilibrium. Which rubl o:k 4(8h2j .bebqone 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 object of mass M is connected to the end of a long string : cwa1ql(1et jod 7c8 r8uzeeg/x*rr.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, whe1 wo1x:ec8rl* ru.7certz( ajd 8g/q at 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 3bm56a cjgcx,igi ;q7wf006w r3 hdu ystring swings back and forth as a pendulum with snapshots of txrducq m0bc 65yw, 3;6iwj7igh f3 ag0he
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 0edg-m w-) lx vxl rxz1f9-hs:7,nucs a period of 2.0 s. If the maximum oscillatio-:0 l zlvn-x1s ) gwfurxm9sx7-c,edh n 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 penduly fx(hik*6b:n um consists 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 the pendulum? Ignore air resxfki(n 6byh *:istance.

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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 m2k yyfo(;r*b it swings as a pendulum. The rod is set into simple harmonic oscillation and has a period of mr2fb;(k *myyo otion 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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