题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:Physics Unit11: Vibrations and Waves



 作者: admin发布日期: 2022-08-06 21:32   总分: 99分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月06日 21:32  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The time for one cycle of a periodic process is calledz/(p 7fymm xw7 ljtpg5d oyxgz98;lv4bz ,.z: the

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a periodic process, the n7bodj6a delq+ulz239p 9ax 2 tumber of cycles per unit time is called the

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For vibrational motion, the maximum displacement from the equilibrium point is c+ m klb-z4nqx,zslr2, xewk1dm+x 62 hjl5 r2vallxe2nxv21k q+z -6,5skj,bwd r hl+xlz4 2 mlrmed the

参考答案:    

标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass on a spring undergoes SHM. iq vu w t).(opveuf4)3When the mass is at its maximum displacement from equilibrium, its instantaneousqpu) ou 3te.(4vi fw)v velocity

参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass on a spring undergoes SHM. When uhz6/mw24bua the mass passes through the equilibrium position, its instantaneous ve4h /2bmwauu6z locity

参考答案:    

标记此题
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass on a spring undergoes SHM. When the mq empg/y6n85oass is at maximum displacement from equilibrium, its instantaneeg 5oq6 m8/nypous acceleration

参考答案:    

标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a vertical spring and bobs up and down between points A tz*wj: x;hs(0 z5vz)c u/imy)m r-tjh and B. Where is the mass located when its kinetic:uxmhsy- ch* j)m)(5zvz/ ;t0zwrtij energy is a minimum?

参考答案:    

标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a vertical spring and bobs up and down between poivbj9cer- . ,lqnts A and B. Where is the mass located when its kinetic 9r.cj-ve q ,lbenergy is a maximum?

参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to vc pf v f*-:2zemkl(hook71k*a vertical spring and bobs up and down between points A and -2v(ekmklf1fc*v*7pzk ho: oB. Where is the mass located when its potential energy is a minimum?

参考答案:    

标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a vertical spring and bobs up and down between pointve1x8i)z b)jes A and B. Whe8 )vxizbj)1eere is the mass located when its potential energy is a maximum?

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling only the amplitude of a vibrating mass-and-f j l)2, d:+ueuk b3)4sjzljkuspring system produces what effeckujb k)l,u4j+ed2s )3: ujflz t on the system's mechanical energy?

参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling only the mass of a vibrating mass-and-spring system produces what eff*, u4qu9 610ejjiy xbn w9fqscec yniqc061uw9b ,q*4 j sujf9ext on the system's mechanical energy?

参考答案:    

标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling only the spring cons(h8t9 s:lqboo tant of a vibrating mass-and-spring system produces whaht(q8sob: 9l ot effect on the system's mechanical energy?

参考答案:    

标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass oscillates on the end of a spring, both on Ear ,2cd,peocsa iy5u h:hh/9+n mth and on the Moon. Where is the periodshce /, 9ucn:ydi ao,2phhm5+ the greatest?

参考答案:    

标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Increasing the spring constant / nie1 zicm )t;y458( uhs6s8m sbedtvk of a mass-and-spring system causes what kind of change in the resonantm v;m4i85sen6(tu hidb s/ 8y)t1zcse frequency of the system? (Assume no change in the system's mass m.)

参考答案:    

标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Increasing the mass M of a mass-and-spring system causes what kind of5*(i./ ofuuf y.y eeb4owzha dp5*+zl change in the resonant frequency of the system? (Assumef*hye. 5olb ( u+*puodfz./ 4z i5yeaw no change in the system's spring constant k.)

参考答案:    

标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Increasing the amplitude of a mass-and-spring a 3zj6,1puad jd,aaa6o /du6g system causes what kind of change ad da a3j,a uud,6 1g/o6zp6jain the resonant frequency of the system? (Assume no other changes in the system.)

参考答案:    

标记此题
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass $m$ hanging on a spring has a natural frequency f. If the mass is increased to $4m$, what is the new natural frequency?

参考答案:    

标记此题
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A simple pendulum consists of a maf, g,un jy7t37qqkh9 css M attached to a weightless string of length L. For this system, when undergoing small oscillation gq tq7h,k93cu ,ny7jfs

参考答案:    

标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the mass of a simple pendulum is tripled, the time required for one com)6k/.0gyn)gn wy8jlhurj( hdplete vibrat8jn ny/ u)y.lh)h0g(gj6kw dr ion

参考答案:    

标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Both pendulum A and B are 3.0 m long. 8yix 4tm: t*cpThe period of A is T. Pendulum A is twice as heavy a *:y84xctpimt s pendulum B. What is the period of B?

参考答案:    

标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the length of a simple pendulum is tripled, the time for one cf ngi/6fthxwzxhiy 9p n 65z6k6(.a4 fomplete vibrat w a9pi/z4x66finz h nx.h6k6gft(5y fion increases by a factor of

参考答案:    

标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What happens to a simk*j t*45bhekbv7gi n;3p4vk je)5rsfple pendulum's frequency if both its length and mass are ink75kkjgn5ie;rv b*vhpftj4*s4e) 3 bcreased?

参考答案:    

标记此题
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Simple pendulum A swings back and forth at twice the frequency of3+kt9doka am 0 simple pendulum B. Wm3d9a0a ko+t khich statement is correct?

参考答案:    

标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you take a given pendulum to the Moon, where the accelerascs+wqw8f 1r/.* h dpution of gravity is less than on Earth, the resonant frequencyfqd ss+hu*p.c8/wr 1w of the pendulum will

参考答案:    

标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Curve A in Fig. 11-1 re+m3r(yrt bqt ;presents


参考答案:    

标记此题
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Curve B in Fig. 11-1 rmq 8.8ysyz pn5dfdm5yya4; 5 vepresents


本题所包含的其它图片:

参考答案:    

标记此题
28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Curve C in Fig. 11-1 repr-*6ds/je06/ ybxb2kz cvjgy8r*wkkap *n6 duesents


本题所包含的其它图片:

参考答案:    

标记此题
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a forced vibration, the amplitude of vibrvwp09 cw:;atr ation is found to depend on the

参考答案:    

标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a wave, the maximum displacement of points of thekzc 6amfhh :(uh+;6ag wave from equilibrium is called the mh 6 khhcf:ag+(;6a uzwave's

参考答案:    

标记此题
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The distance between successive crests n3+l j4n.xi.(au/es bmp5ynyon a wave is called the wave's

参考答案:    

标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of crests of a wave passing a point per unit time is chsmoyhm-3rohu1p* ty)2a f* : alled the wave'sa3m y hhhsurp1)y 2*oo-m*t:f

参考答案:    

标记此题
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a wave, the frequency times the wavelength is the waefs 9kduyucrk / ..h ,p3v* x/n(+dztnve's

参考答案:    

标记此题
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of a wave increases. What happens to the distance bed :1p-* aeco+uo;kwmqtween successive crests if the speed re 1 *w;puko:q +-codemamains constant?

参考答案:    

标记此题
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A wave moves on a string with wavelength l and frequency f. A+ogay-9x (dfbj 9f pyo . kw5/zysp/2 mb*p6bs second wave on the same swgs/s -fp djk9+fmya6oxbb py(/zo*2bp9. y5tring has wavelength 2l and travels with the same velocity. What is the frequency of the second wave?

参考答案:    

标记此题
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a traveling sz * a 8(jcb/w7jiafqf-k97b swave on a string of length L, mass M, and tension T. A standing wave is set up. Which of the bafcf 8-ib(s q9j7 kzas7 w*j/following is true?

参考答案:    

标记此题
37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string of mass m and length L is under tension T. The speed of a a scx67e qyahs+z7q ,uoeqfl 0ai-4v x*p1g7 3wave in the string is v. What wilzqi g q1 a+4,e6uasap07xyoq 3xl7fh- 7e*vs cl be the speed of a wave in the string if the mass of the string is increased to 2m, with no change in length?

参考答案:    

标记此题
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string of mass m and length L is under tension T. The sni bi- h(5y/yzpeed of a wave in the string is v. What will be the speed of a wave b5nzy/-(yi hiin the string if the length is increased to 2L, with no change in mass?

参考答案:    

标记此题
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string of mass m and length L is under tension T. The speed of a was5l( 181joufjsgur2j a wtm,)ve in the string is v. What will be the speed of a wave in the string if the tensio ut12gu)aj(sso,5rw1 j ljmf8 n is increased to 2T?

参考答案:    

标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In seismology, the S wave is a transverse wave. As an S wave travels through t . x/e+-ivm*qlxx9vfn ea1 ph0he Earth, the relative motion between the S pn9+ lvfeh e1-qvm0.xixxa/* wave and the particles is

参考答案:    

标记此题
41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In seismology, the P wave is a longitudinal wave. As a P wave travels through -u, (z+j ekm5hvmjpe x-q j4t(the Earth, the relative motion between th muj5q (-xz (tmh-,4jejv+k pee P wave and the particles is

参考答案:    

标记此题
42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity of a wave d9v0ob gamf *0*4*ms 0evlog uis

参考答案:    

标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A wave pulse traveling to the right along a thin cord reaches a discontinugb *uj fo ,cm ;l5jxy)ql3g:s8ity where the rope becomes thicker and heavier. What is the orientation of the reflecqgy3foj l:);g b j5s *8cuxml,ted and transmitted pulses?

参考答案:    

标记此题
44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two wave pulses with equal positive amplitudes pass each otheb9 )q rn-do o+z ;bdnj;vddc2s5 p:j4ar on a string, one is traveling towadj ;br:b9vas4-nzdq2 +p n5;o )dcoj drd the right and the other toward the left. At the point that they occupy the same region of space at the same time

参考答案:    

标记此题
45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two wave pulses pass each other on a string. The one traveling toward t ck87wjt*nk: m9p pk-xhe right has a positive amplitude, while the one traveling toward the left has an equal amplitude in the negative direction. At the point that they occukwp ntxm:p9k78* cj k-py the same region of space at the same time

参考答案:    

标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Resonance in a system, such as5z 81l4q s* b+n 4icqrhv0peob a string fixed at both ends, occurs when

参考答案:    

标记此题
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If one doubles the tension in a vi*4xj 9/i: hy phb9djupolin string, the fundamental frequency of that string will increase by a factoyup 4bxhjhip:j d/9*9r of

参考答案:    

标记此题
48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the spring constant of a spring that stretches 2.00 cm when a m *v,mkoh +cz qr(*h rrkr.s/j5ass of 0.600 kg is suspended +** z,r5c qrh(j.ksror/h mkvfrom it?

参考答案:    

标记此题
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a spring of spring constant 60 N/m along a horizontal,- z,ot o, omkg-o1ns8p k3kn1p frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takes the mass 0.50 s to go back to its equilibrium position when it imkk-o 11kpo, -p,to n8osnz3g s oscillating. What is the amplitude?

参考答案:    

标记此题
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a spring of sugom- ii7i+x jl9 i(,cpring constant 60 N/m along a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takes the mass 0.50 s to go back to its equilibrium posiui 7-i(+lio,g cmx ji9tion when it is oscillating. What is the period of oscillation?

参考答案:    

标记此题
51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a spring of spring constant 60 N/m along a horizoni56lsx o3tyz8r7 vnb c(w,t.etal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takes the mass 0.50 s to go back to its equilibrium py3c ( .botv5 rzweit6sn87,lxosition when it is oscillating. What is the frequency of oscillation?

参考答案:    

标记此题
52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass on a spring undergoes SHM. It goes through 10 compl:sm c)q i7 bjz/dn0vao v/zx2+ete oscillations in 5.0 s. Wo2s/ ad0jz: qvzicn7m ) bv+/xhat is the period?

参考答案:    

标记此题
53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass vibrates back and forth from the free end of an ideal spring of spring cnlig6 ip,x i:)onstant 20 N/m with an amplitude of 0.30 m. What is the kinetic energy of this vibrating mass when it is 0.30 m from its equilibi)6 pi:,xlign rium position?

参考答案:    

标记此题
54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.50-kg mass is attached to a spring of spring constant 20 N/m alonm 2lxshq0e*5cs; tr: de zd2-b8sjwd;g a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is thebl*e z rd25hwt;:0;ds8-d 2 xsecjmqs total energy of the system?

参考答案:    

标记此题
55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass undergoes SHM with amplitude of 4 cm. The energy is 8.0 J at this time.1ewp x+1fp oz. The mass is cut in half, andzfxo1e .pp1 +w the system is again set in motion with amplitude 4.0 cm. What is the energy of the system now?

参考答案:    

标记此题
56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.50-kg mass is attached to a spring i axb8:o7xz3cof spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is the amplitude of vibrato38xb :aciz x7ion?

参考答案:    

标记此题
57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.50-kg mass is attached to a spring of spring constant 20 N/m along a 3jo: n)jd0cm zwieu;0horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/ jn uemz)i0cw:oj03d; s at the equilibrium position. At what location are the kinetic energy and the potential energy the same?

参考答案:    

标记此题
58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-kg mass is attached to the end of a horizontal spring of ftkqei*dn w; 36ue3h 0spring constant 50 N/m and seqkin;3uwe ed063th* ft into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanical energy of this system?

参考答案:    

标记此题
59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-kg mass is attached to the end of a horizontal spu0;gml4y,xr i orda (ooh tq c8vxhua +707+d+ring of spring constant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanical energ+m td g;7ox0(q8 vhhary0u+x +olr ouc,ad 7i4y of this system?

参考答案:    

标记此题
60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass vibrates back and forth from the free end of an s;so 8tf +-lrsgi9* xl/tfum) ideal spring of spring constant 20.0 N/m with an amplitude of 0.250 m. What is the maximum kinetic energy t9gos/+f; )8fl itrlsxm*-u sof this vibrating mass?

参考答案:    

标记此题
61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The mass of a mass-and-sprio29amhp l .dy7ng system is displaced 10 cm from its equilibrium position an7mylho.p a2 d9d released. A frequency of 4.0 Hz is observed. What frequency would be observed if the mass had been displaced only 5.0 cm and then released?

参考答案:    

标记此题
62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-kg object is attached to a spring of spring cq0tvm op-.fc2 kc-gr/ onstant 10 N/m. The object is displaced br0- co-.k vcg2/ qfptmy
5.1 cm from the equilibrium position and let go. What is the period of vibration?

参考答案:    

标记此题
63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-kg object is attached -ak7v9yj i- osto a spring of spring constant 10 N/m. The object is dya - ijk7s9vo-isplaced by
5.1 cm from the equilibrium position and let go. What is the frequency of vibration?

参考答案:    

标记此题
64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-kg mass is hung from a spring of spring a qy/x,ohz z-.,/h pkvconstant 18 N/m, displaced slightly from v/ -xh.yq,/ hap, ozzkits equilibrium position, and released. What is the frequency of its vibration?

参考答案:    

标记此题
65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a spring. It oscillates at a frequency of 1x.zrcqe5b/a nr+j;f( xl. mw *.27 Hz when displaced a distance of 2.0 cm from equilibrium and released. What is the maximum velocity attained by the m qw nblc.5f(+m;x/.e ax*zrrj ass?

参考答案:    

标记此题
66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two masses, A and B, are attached to differkoqc2 nyp8. 8wbdvcf :- /iba8ent springs. Mass A vibrates with amplitude of 8.0 cm at a frequency of 10 Hz and mass B vibrates with amplitude of 5.0 cm at a frequency of 16 Hz. How does the maximum-q bv8 n d8ab/:.oyicp w8kfc2 speed of A compare to the maximum speed of B?

参考答案:    

标记此题
67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.30-kg mass is suspendg n+xr5 wx6r:ced on a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released frorrnx cx6w5: +gm rest. Calculate the period of oscillation.

参考答案:    

标记此题
68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.30-kg mass is suspended on a spring. In equilibroemp 3-af4f b/ium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released fp4mf3foe -/ba rom rest. Calculate the total energy of the system.

参考答案:    

标记此题
69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.30-kg mass is suspq.38z8i.l7xr( f z lwuxd,r omended on a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional dl.rdf z,8xr83mwzi xu7o. ( lqistance of 1.0 cm down and released from rest. Write down its equation of motion.

参考答案:    

标记此题
70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object in simple harmonic motion obeys the following position versuffr,a.y 2. :kd v90ojl3 vmljvs time equavo.r f dkj:vm,0j2 lvf39 l.yation:
$y = 0.50 \; \sin (\pi/2 \times t)$. What is the amplitude of vibration?

参考答案:    

标记此题
71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object in simple harmonic 7qa6vu rnwj5 /motion obeys the following position versus time equation:u6r7vnaq w/j 5
$y = 0.50 \; \sin (\pi/2 \times t)$. What is the period of vibration?

参考答案:    

标记此题
72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object in simple harmonic motion obeys the following position vers2f9ye6w ho2lxk l.pr rmf;0-eus time equatm.o- 2e k6 pfxer0 lyrf;9h2lwion:
$y = 0.50 \; \sin (\pi/2 \times t)$. What is the maximum speed of the object?

参考答案:    

标记此题
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass attached to the free en(rk9 3bc0iljt d of a spring executes simple harmonic motion according (lj3 0irt9bkc to the equation $y = 0.50 \; \sin (18\pi \times t)$ where y is in meters and t is seconds. What is the period of vibration?

参考答案:    

标记此题
74#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A 1.5-kg mass attached to spring with(*e9k:4 w(stbcma5ygq kyg7d a force constant of 20.0 N/m oscillates on a horizontalb*5yagswc:ek( ytk(m q4 g9 7d, frictionless track. At t= 0, the mass is released from rest at x= 10.0 cm. (That is, the spring is stretched by 10.00 cm.)
(a) Determine the frequency of the oscillations.
(b) Determine the maximum speed of the mass. Where does the maximum speed occur?
(c) Determine the maximum acceleration of the mass. Where does the maximum acceleration occur?
(d) Determine the total energy of the oscillating system.
(e) Express the displacement as a function of time.
参考答案:    

标记此题
75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A pendulum makes 12 compf hh*ouw d4poo4p z+,6l-dy:glete swings in 8.0 s. (a) What are its frequency and pe6ou ogzph4 pfd y- w*:lho+,d4riod on Earth?

参考答案:    

标记此题
76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.00-kg pendulum is 28.84 m long. Whatq,usrb 21a kh32:x tqent( x5l is its period on Earth?

参考答案:    

标记此题
77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A pendulum has a period of 2.0 s on Earth. W / l8a,s m3d0etd+mc:yb/wja ihat is its length?

参考答案:    

标记此题
78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pendulum of a grandfather clock is 1.0 m long. What is its pe-cnhcb.vga 4s(p3 r;hlv;2eu a j(1feriod on the Eartp;1gafc.eh; nsa4-euvc 3 rbl(h j(2vh?

参考答案:    

标记此题
79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pendulum of a granwis6j2fti 1 * sw9q4 uybm3,jzdfather clock is 1.0 m long. What is its period on the Moon where the acceleration ds4 q j6z3mi,bwfuywj s1t9i 2*ue to gravity is only $1.7 \; m/s^2$?

参考答案:    

标记此题
80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A simple pendulum consists of a 0.25-kg spherical mass attached nfd(;.e3*n z b3,vthv (n0axxax70lkurib 6 jto a massless string. When the mass is displaced slightly from its equilibriumae( nt07x(hdbua ,6x3bn0.xl 3v rzi k;nv*j f position and released, the pendulum swings back and forth with a frequency of 2.0 Hz. What frequency would have resulted if a 0.50-kg mass (same diameter sphere) had been attached to the string instead?

参考答案:    

标记此题
81#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A simple pendulum consisting of1 uvuh u92p)ou a 20-g mass has initial angular displacement of 8.0e. It oscillath)pu v9o2u uu1es with a period of 3.00 s.
(a) Determine the length of the pendulum.
(b) Does the period of the pendulum depend on the initial angular displacement?
(c) Does the period of the pendulum depend on the mass of the pendulum?
(d) Does the period of the pendulum depend on the length of the pendulum?
(e) Does the period of the pendulum depend on the acceleration due to gravity?
参考答案:    

标记此题
82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Figure 11-2 is a "snapshot" of a wave at a given time. The frequency of the nkzs5o n mde31qs c:62qy5*i74w dfnm wave is 120 Hz. What is the amplitudeo *q2w 1nqn ddm65n k :iysf73cmz54se?


参考答案:    

标记此题
83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Figure 11-2 is a "snapshot" of a wave at a ro0lbw :do w7 bg,i(m;given time. The frequency of the wave(7gw,:0 bi;wblrod o m is 120 Hz. What is the wavelength?


本题所包含的其它图片:

参考答案:    

标记此题
84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Figure 11-2 is a "snapshot" of a wave at a given tim.:1v-mcpboxdb d,7ffx 1u8 ime. The frequency of the wave is 120 Hz. What is the wave speedop-v,fxd1cd:bi.b u x8 7mf 1m?


本题所包含的其它图片:

参考答案:    

标记此题
85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the frequency of a wave which has a period of 8s93c sfihy1;mxik:.t ha za06.00 ms?

参考答案:    

标记此题
86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the period of a wave eg 2bc d;j)k,ywith a frequency of 1500 Hz?

参考答案:    

标记此题
87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the wave speed if a wave has a frequency of 12 Hz an.qlm xo:1-pswmsvb-r 9 6, g3un)m lfsd a wavelength of 3.0 -no-fq:g9)6v3rsm 1 s,lpmub l.xsmw m?

参考答案:    

标记此题
88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the velocity of a wave that has a wavelength of 3.0 m and a freqsvtdk /w+e+:duency of 12 Hz?v d+w/k+sd te:

参考答案:    

标记此题
89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the frequency of a 2.5 m wave trawl 7d4wpjm, n.veling at 1400 m/s?

参考答案:    

标记此题
90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A piano string of linear mass density 0.0050 kg/m is udc6h txh6t *kuft6wd t.66z)pnder a tension of 1350 N. What is the wave sh6 zt*pkw66c6) tx.d6uftt dhpeed?

参考答案:    

标记此题
91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string of linear density 6.0 g/m is under a tension of 180 N. What is the q ae; 7 us1 amaa3.7sryph h9lm(4fb9kvelocity of 7; rpq3fu7 mema(yl ah 9bs9akh.1s4apropagation of transverse waves along the string?

参考答案:    

标记此题
92#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A wave whose wavelength is 0.500 m is traveling down a 500 m long wire wht+e2:6v1a/jr yr,gwwd st,znose totals1r e, wva2+ :z g6yrtnjt,w/d mass is
25.0 kg. The wire is under a tension of 2000 N.
(a) Determine the velocity of the wave on the wire.
(b) Determine the frequency of this wave.
参考答案:    

标记此题
93#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The velocity of propagao;5pc qef*):j y cnej;tion of a transverse wave on a 2.0-m long string fixed at both ends is 200 m/s. Whi;y)5j* jpn ofc;cqee: ch one of the following is not a resonant frequency of this string?

参考答案:    

标记此题
94#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a guitar string has a fundamental frequency of 5v 2x;s03wbu vo00 Hz, which one of the following frequencies can set th2osv 30xwu vb;e string into resonant vibration?

参考答案:    

标记此题
95#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A stretched string is observed to have four equah zt bsll;3/2rl segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up aslbt;3r hz/2l standing wave with five equal segments?

参考答案:    

标记此题
96#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string, fixed at both ends, vibrates at a frequency of 12 H /rjq4 cexylvv*146frz with a standing transverse wave pattern containing 3 loops. What frequency is needed if the standing wave pattern is tx4rq* jcfy4v 6er1/ vlo contain 4 loops?

参考答案:    

标记此题
97#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string of linear density 1.5 g/m is under a p+mb +7. wkme*8-1k dspkpfrq 6piht3tension of 20 N. What should its length be if its fundamentakm1 ksft3eb*hmp8p k+i p76wp-+rd q .l resonance frequency is 220 Hz?

参考答案:    

标记此题
98#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Find the first three harmonics of a string of linearl134 vxxb /jxj mass density 2.00 g/m and lengjjxxvb1 3/4xl th 0.600 m when it is subjected to tension of 50.0 N.

参考答案:    

标记此题
99#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A string of length 2.5 m is fixed at both ends. W.5rjf prn96zj hen the string vibrates at a frequrfjjznr59p .6 ency of 85 Hz, a standing wave with five loops is formed.
(a) Determine the distance between two adjacent nodes.
(b) Determine the wavelength of the waves that travel on the string.
(c) Determine the velocity of waves.
(d) Determine the fundamental frequency of this string.
参考答案:    

  • 答题人:
  • 总分:99分 及格:59.4分 时间:不限时
    未答题: 已答题:0 答错题:
    当前第 题,此次习题练习共有 99 道题
    本系统支持习题练习,作业与考试三大模式,作业考试自动评分,成绩排序一键导出,可设定动态变量同一试卷千人千题
    如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

    浏览记录|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

    GMT+8, 2024-10-6 23:39 , Processed in 0.504955 second(s), 219 queries , Redis On.