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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 spr/ orm75q aid8cing-mass system undergoing simple harmonic motion is T. If the amplitude d7i8 coq 5/ramof the spring-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 mass m and length Lha n.ci*c*a8i ilf.:m*woexw)xv:bum3+, mtkfsa period of oscillation T at angular amplituden ctfwbe3 lixc.*x*a+f: ko,m i umwi*8v:.)m $θ = 5^{\circ}$ 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 coce s.9 fry38*onyw5l as5zm77-hoqpkya c p--nnected to the end of a long string of negligible mass and the system swings as a simple pendulum with period T. What is the period of the pendulum if them759a olh spfyon-yq5 7rp* 3.kcsae 8 w-czy- 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-etb (b6u fd1fn1z1mg a simple pendulum if the length of the cord is 67.0 cm and tu6fnb (bfz1metd1 g -1he 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 1ozkx7 f us.mg2r,lfyog t95v .5wnw 7 Hookian springs of spring constant k are connecte5 l, o.fwsy1xov792z.n ft mur75ggwkd 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 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 harmonic oscillatr4jigggb/ 3e0ion is T.0/ b4ig e3gjgr 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 whenkboaqs,xe3 q fs.5k*7. ye t,d it is released from rest at a position A from equilibrium. Which one of the following choices correctly identifies the period of oscillatio3tfoqds,eaxqbek* y7,s.5. kn 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 coq( x i(nny 9*3zy)okdannected 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 swingk(9x ) yadniqz3*n(o ys 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 an9+;pupdet n-i h./ xtmd forth as a pendulum with snapshots of thepui;- hnd/. mp9tx t+e
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 pend.o 5oyi02z1r xd cmyq0ulum oscillates with a period of 2.0 s. If the maximum oscillation of the penduio5.yo qmy0 x0zcr2d1lum 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 x d+ahj,k+0lv e iz2q68e.fe. dtra 9nconnected to the end of a very light string. Which one of the following changes should be made in order to increase the period tze2f lqa,ehva 8. 0jn6.+rx 9edd+ikof 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 length L is piv p:fpe: (bw 3zok0g8xooted at one end so that it swings :(obe xgk f3pz:o80p was 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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