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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 is98pbim gvir4a:h o/( u T. If the amplitude of the spring-massga:p m iri ov/4hb9u(8 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 mass m and length Lhasa period of oscillation T 1v:4txz tngj4;rmobc)- px, gat angulbtotr xm:nz-pc;xv44gg j1,)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 long string of negligib 4bf;y az m3:wyi*wmj(le mass and the system swings as a simple pendulum with period T. What is the period of the miywwj3f:bz a(*y m;4pendulum 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 length of the cord is 67.0k-g94a hpp f7id*cx7 v cm and the pendulum bob ha *xagp ik77h d4-9cvpfs 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 sprinnjs )tfpp o9(nahviz);l0.b3s hj9o1g constant k are connected as shown to a mass M in equilibrium. The horizontal platform shown between the springs and the springs themselves have noat sjpzi9) f n.1; lpo09hj)nosh b(3v 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-springq r dicxk+0x5okzz*ylysj49607s(n0uuv1 z n system undergoing simple harmonic oscillation is T. If thery cd 0z5u+4(n 6i uzol 1qszynkx*70jvk09 sx
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 idea) r;ba6fj:2 r(nusdwwh2pf,(qwq6r jl spring oscillates with a period T when it is released from rest at a position A from equilibrium. Which ;(w2pr h 6b(qu ,sfrw)j2wjqn rf6d:aone 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 connectpj(+2yli/59iw 7+qrlqvjrgzt:sk 5g ed 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 rtqs75 ++zgp2rlgk9j /li5j(i:wqyv 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 aszceqgx z80 c :/s(evn+ a pendulum with snapshots of the +e x(/0cez8 zs vqcng:
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. If the maxi8msu;n .bhe 331ochrvgsuy;*k863 k2w mzf i zmum oscillation of the pendulus8v s;cb81e imny h2u*;wk z6.kgr f3h3 3zuomm 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 ma,pechcpn9a;.;; pw* kexof, 3usixv3ssive bob connected to the end of a very light string. Which one of the following changes should be madx c.nk3ws39o acfpep ;v*; i,xepuh; ,e 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 )g,r0wsvowfm(bo0)2h;e qd q length L is pivoted at one end so that it swingw s;oqe0f) (,2wbom v qh0rdg)s 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 harmonic oscillation, what is its period?

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