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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 undevbf1;ri0a phagw9zvs a8r) +uu8r ,7vrgoing simple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doubled, the period will f is7v a+0u rv1 8h 9arpruv8,zg)wa;bbe:

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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 ofn510h0enj (z hmwndd5g e)5hl oscillation T at angular amplitude () zlgdwh 0mnhn 5e 5h5jed0n1$θ = 5^{\circ}$ 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 connectex5* 4qlo 5+m rpupe4mfd 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 peufo5 m 4 5rlm4+xpp*eqndulum 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 penduluswbj* sqhj; t7 z;3wk0m if the length of the cord is 67.0 cm and the pendulum bob has a mass of 2wwt;s;0 *37zhqjj bs k.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 springidd1j/.ug 2ow f1u.ch 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 mass M is slightly displaced vertically, the mass exhibhd /fcoj gw..u1 iu1d2its 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 oscillati/dew r9 u.0gbx x9nuv0on is Tg wbx/.ur9nd 0exu 0v9. 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 when it -+zliz/urb rq92+9i mj0vgpmis released 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 gi 9zmrqm+09+p -lvr2u zjb/isame 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 lhd+qy/ lv;g mhb099)n) eeuc keot5ub m6h5*cong string of negligible mass at/h05+c)e*u yveuc hqb)klde96o9 m hmg5b n;nd 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 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 swin(+ ,oixdg pxvktqu04 3gs back and forth as a pendulum with snapv4 x i3+gdqu0o p,x(ktshots 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 oscillates with a period of 2.0 s. If the mpwdn:bd 9 ntb01lzn 41aximum oscillation of the pendulum bz np94d10dw1bnl: tn 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 r.90b z h312gvgg+:faorucl6ipvvp1vp v(( ia massive bob connected to the end of a very v+( rp6 gv bv9 :vv.f zi3a(21roicp1p0ughl glight string. 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 rov-7vj7 jq fi0b-+ayi5cv ;ywnd of mass M and 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 length 2L also is pivoted at one end to swing as a pendulum. When this second rod is set into simple ha 5c7ny7+jfi vyvwibqj-a;-0 vrmonic oscillation, what is its period?

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