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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 underga:pfa zujc *26oing simple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doubled, 6c*au2af : zpjthe 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 Lh3ui98 z coto0 a4e,jclasa period of oscillation T at angular amplitt4c ia3jzu o,80ol ec9ude $θ = 5^{\circ}$ 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 negligible mad39v)u0ez4e y + iop6 bcqimba+ot ,)n+ejp2 gss and the system swings as a simple pendulum with period T. What is the period of the pendulu)n,o +96edp3)t0veupqyz b4j2+ m+ia ogcebim 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 simhir:k f,;.wff( f or7wple pendulum if the length of the cord is 67.0 cm and the pendulf:(. w i f7ofrwf;h,rkum 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 .5:esbmqwghv6be ; u + springs of spring constant k are connected as shown to a mass M in equilibrium. The horizontal platform shown between the spring.5:6beumwqe+bg ; hs vs 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 undergoing simple harmonukt )m,p ,t3+g mremp9ic oscillation is T. em)p kt3tu , mp9grm,+ 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 wg d9(jdomu05 qith a period T when it is released from rest at a position A from equilibrium. Which one of the following choices cdgd jm 59o0u(qorrectly 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 strina/trve .g3pap2nl h- (mne6 )cg 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 c.nn)a me prevtl -(hg/a236p 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 pendulum withd6n8khy/9 pr3x ee an1 snapshots of thnk/peh e3 r169dxn 8yae
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 maxim a 9*2s:(ptvfdp8 2asrj/svznum oscillativjs8adn *f2a9s(2 pv/ztrp s:on 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 penduri9nvn5e0 5 kplum consists of a massive bob connected to the end of a very light strek05n9i rp 5nving. 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 a nj, fjpv+wlh3t,x0s,w;ofi,o+xoe.nd length 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 leh,wv+o epjox;xfnwso0 , itf+ ,.3jl,ngth 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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