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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 sy;qf -t uz4k)o,yc mz bqd+:6yrstem undergoing simple harmonic motion is T. If the amplitude of the spring-mass system’s motion is doutoq+;r z :bk4) -yfqyzm c6ud,bled, 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 Lh n)bj)e7x8ywzqv 0yg00 lho8d asa period of oscillation T at angular amplitudeyjwq0l7b8 o0)y8ng 0ezdvx)h $θ = 5^{\circ}$ 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 negu2ij1 za7y q9zligible mass and the system swings as a simple pendulum with period T. What is the period of the pendulum if the string is made to have oneziy1q2zja 79u -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 scjk6 vjdk)(f b)0ubffg2;+s,rdo t r9imple pendulum if the length of the cord is 67.0 cm and the pendgtkc)rofs,2 duj+j vf b(d0k; 9f)b6 rulum 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 jl ao2x l9n;7fspring 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 exhibits simple harmonic oscillation. Assume that the horizontal platform dx7ofj nl;92l aoes 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 osen, ta8t1+xyk tbuz :+cillation is T. If nt xk+tuez t1y,a:+b8the
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 a2;d1e s3ku fnwith a period T when it is released from rest at a position A from equilibrium. 3;nus1ked2 faWhich 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 string of neg, hom 1jl 5nn9epihx1;e 6/dkcligible 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 as a simple pendulum, what is its periodhle96mhx;1 o/ ,cj1k nd 5ipne?

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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 a;c/aw +-mbzw qnd forth as a pendulum with snapshots of tz+;mqwba-c w/ he
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. Ihamy ) b7c8yi, uf52hxf the maximum oscillation of the pen 2,icybxh7u8fym 5h a)dulum 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 vezz ir rr3q/+5mry light string. Which one of the following changes shoulr r /3zz5qmr+id 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 at one end so that it scf l(/m 8nwh+fwings as a pendulum. The rh(f8c +nwml f/od 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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