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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-*bwxlj+o( 7u)q bbz) jmass system undergoing simple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doubled, the period will b oj*7qx ul)+w(bbzbj)e:

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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 masvtaycv3f i0h 6m+7md7 s m and length Lhasa period of oscillation T at angular tfm0 m ch7a7ivvd+63yamplitude $θ = 5^{\circ}$ 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 negligd;m*ssy/m8 r xible mass and the system swings as a simple pendulum wim ;s*xdry/sm8 th period T. What is the 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 length of the cord 85huvz)gp 7w8u* irrris 67.0 cm and the pendulum bob 887vw*hg5 zrp)i r uruhas 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 Hookiav* - (a uh+x)4kftnlwbn 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 mhwf-l+t(a b*)v4n k uxass 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 simple60ovp7uw bh 7e harmonic oscillation is o0e7h b7puwv6T. 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 with a period T fo y,:bn2s ) uvemb33uwhen it is released from rest at a position A from equilibrium. vf m,3bsu3euoby)n:2 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 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 straz5tpl io+oz,44xfr+t 8sy : oing of negligible mass and theyr8+zpx4tl+ f5 :,z to4ooai s 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, 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 zd6cod3 ekq wa*;5q7pforth as a pendulum with snapsho kw36acdopqzde 7 *q5;ts 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 oscillahjh dhu gdr-(u+0d9 y n:;q von;5m)aztes with a period of 2.0 s. If the maximum oscillatioh(j-ydvm;hg +d q9);hzo5 nuu0ardn: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 pendulum consimu,jcx . whhh54+b*uists of a massive bob connected to the end of a very light string. Which one of the following changes should be ma+.5ijb x,*u mu c4hhhwde 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 rubsy xwt64sx2g 39rek /6i/yvod of mass M and length L is pivoted at one end so that it swi4/6 k2 9gyuxbss/v6rw yt3 exings 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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