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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 syr,j-:ur*c hk zcqub: /stem undergoing simple harmonic motion is T. If t cu-qc hu br*:z:rkj,/he 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 lengthy+d *8usgz n fwh284z j3jdei6 Lhasa period of oscillation T at angular amplzfd2s w iu j+hngj64388yzd*e itude $θ = 5^{\circ}$ 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 strinr-*fku f-qqnt - vkep;gy4(wki3: n8 jg of negligible mass and q(ktpkkef4 -jv g -8 -y*fn;3:wqnurithe system swings as a simple pendulum with period T. What is the 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 pendulp 4m-gb.6 .onhsg.chhbn, rv2um if the length of the cord is 67.0 cm and the pendulum bob has a mass ob -chgn,.v.hg4rsmp.o6n2 hb f 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 sprin9+tkc y1iu/nt g 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 enutit c/+y 9k1xhibits 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-sprinm jt;f1r+tpfp 1 k)k) u9 0wls5if;cddg system undergoing simple harmonic oscillation rdfi+5scmj) 1lk0k9)fpw t ;tfd;up1is 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 q,;ssc3qc ,n k 0x-mfbperiod 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 samxmc s,sfq3-0, qk; bcne 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 o+k v8c64kj rjdx3kmj/ f mass M 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 obje4vk3dj/jkrj86+k cxm ct 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 and forth as a pendulum wijq22sox9k t od l/yor0p/a7(cth snapshots ofr2t7(qko /x2al j oc09 pyod/s 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 maximum osc k om.oow*tg,ojl. 8c4illation *.mtglooo4 .k8,jw oc 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 confoscgn)3/4-zj.a hur hi7n(cs* bh b *sists of a massive bob connected to the end of a very light string. Which one of the following changes should be made in order .4**jss3rcgu hhc/no zfh 7(aibn-b) 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 a5,jdry a7zhvaul+2 ;7 yt(ss 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 harmonic oscillation, what is its pesa(jalrd+ua;27h7 5tz vys,yriod?

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