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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 undergoin zrb)vv kljg/(v4 zv7p,2xf3vg simple harmonic motion is T. If the amplitude of the spring- 3(zvjbvlxvg7/2p 4f k v)zv,rmass 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 peuqvjkng*65 yn1l o ul2/2* zplriod of oscillation T at angular amplitud l* kuqz26*njgl1vlo/ n2pyu5e $θ = 5^{\circ}$ 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 so6* tct+v5pemd4t 4g string of negligible mass and the system swings as a simple pendulum with period T. What is thet5 t4ov +c*6e4mtds pg 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 le 9ja6b qu5) tl*kgghh7icq09 xngth of the cord is 67.0 cm and the pendulum bob has a mass of 2.4*695 )uk9tjchhiq 7xlgbaqg 0 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 spr+*ih5gdib)-mjvs 3xf ing constant k are connected as shown to a mass M in equilibrium. The horizontal platform shown between the springs and the springs themselv-5fsv )xh+j im*3digb es 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-spri xv*3v6ntw j(gx0 fn6yng system undergoing simple harmonic oscillation i3n*xgnt066jf yvw(v xs T. 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 wh3zpi2 r t .-tiia;d8owen it is releas8 2 az.rtoi dpii3w-t;ed from rest at a position A from equilibrium. 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 +ojhm* ,+ )8y,puzt. pbygdo uM is connected 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 swings a*p)d upo buyjo m8yt+.h,g +z,s 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 rhp02bd t8 -fd s;l3t5dhvv3qforth as a pendulum with snapshots of the r8pq2l3tvd-5;dv b3 0hfht sd
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 j6zf z7e/u:d gf1+u i 2mwdu)es. If the maximum oscil: ef/wuz+efd mu6zju7di 2 1)glation 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 consists of a massive bob3s 6b:a2kg s5f3vjh5)x smjpnlpdb:4 connected to the end of a very light strid bjfgp5v 4a3h6)npb3s2 lssx jk5::mng. 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 and length L is pivoted 639/n93:zkultah)tm 2j0r gc8mrlob a.srvk at one end so that it swings as a pendulum. The rod is set into simple harmonic oscillation and has a perva )lkba0k n u/3 9rt9rm8:r tcmoh3zs.g6 lj2iod 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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