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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 undergoing simple h smg ,-(7*7mu(d t +myjm.ckqqmnqg)s armonic motion is T. If the u+m,.nqkg7 gcm(-*qytj7m ) qdmsm s(amplitude of 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 Lhasa perinm: i8 3/azkl,7xfd efod of oscillation T at angular amplitu:z/fk3,flid 7em 8axn de $θ = 5^{\circ}$ 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 mas,krrin70p lbez-6lng0 inl4,9 xdil6 s and the system swings as a simple pendulum with period T. What is the period of g knpbz0-l67ln,e 4,il69n0lxrr i di 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 simhwevbo4b ,5s/1n i -:vdc3cr dil35j jple pendulum if the length of the cord is 67.0 cm 4/dslibr 1-vw v3j,n5j cdc 5 e:3bohiand the 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 Hookian springs of spring consuv 7fa:c nkb1cz1 6uf4+6fxu rtant 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 exhibits simple harmonic oscillation. Assume that 7fcvux4rf1zcfnk ubu6+a:16 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 undergoingt 6aj wrpy-/6k qefh00 simple harmonic oscillation i /6 thpyw0r-0a 6fqkjes 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 g 6( kg5a+pddyto an ideal spring oscillates with a period T when it is 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 same sprinkg(pa6y5 gd+d g 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 lon.r62 fomd p 1g-jesvp0g string of negligible mass and the system swings as a simple pendulum with period Te126jgv . 0popm-fsdr. 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 anitnma-) mx(dlbl4x ; 3d forth as a pendulum with snapshota nx3- mbxl)dl4tm;(is 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+bvxhm n+ nj13 the maximum oscillation of the pen1vnhn+3jb +xmdulum 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 connected to the end of a ve mfpq6+ojyv6kq7n( k/ry light string. Which onemyqk 7pko q6(fvj6/n+ 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 pivokardzhih7wr zk)-t2r +c; 4 0oted 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 set4r 2 orkcw7z+izd;0k hah r-)cond rod is set into simple harmonic oscillation, what is its period?

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