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 pmo7b/ rn,w 4jieriodic process is called 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,+d3272csgx fq e -dddx the number 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 fr :lxa00(i.v 4g3:g msdwk qybkom the equilibrium point is calledgaiwkg( :3kd4 m0. b:0xyqsv l 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. When the m pf,4eb vt*qm zxxuje h/.38p3ass is at its maximum displacement froeqj x p*bzmte.p,f 3xhuv/4 83m equilibrium, its instantaneous 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 the mass passes through thf0fjd l 3+ewg-hywvy .**1ogne equilibrium position, its instantaneous velocghwyv j.go lw+** n-f10ef3 dyity

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 mass is at maximf/l8w b4u6j drum displacement from equili4rd8jlubw 6 f/brium, its instantaneous 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 bob, u (nba, wuie-/kk0yws up and down between points A and B. Where is the mass located when its kinetic enerw k,e-bya( u,nk0iw u/gy 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 tv8 ty9j 2 w4/v/kcabkspring and bobs up and down between points A and B. Where is the mass locate wvjy 49kt/2c/ 8bktavd when its kinetic energy 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 a vertical spring and bobs up and down pou w0s f+he /mlaa-9-3zzn0lbetween points A and B. Whw-pa+0 f9 o0z salunle 3/h-mzere 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 points A a9wdw2kc i86 ouy2nm3fnd B. Where is the mass 8mwo2y2kwnd fc i3u96 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 masswle: pt 3tb9s1-and-spring system produces what effect on the system's mechanical b3 pe1ttl9sw: 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 vimdh wtbg a:+buh,2,6 sbrating mass-and-spring system produces what effect on the syss: db,6+u 2g mb,twahhtem'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 constant of a vibrating mass-and-w s(s3wf*z djl5szzj i .-c+izyvn)81spring system produces what effect on the sys81 j fz s v5snsdil*wy 3(wi)cz+.zj-ztem'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 Earth and on :;x*jj0wm6vm 9k + fffm e2q:qk h(ncothe Moon. Where is the period the greatesvfmeonjkm:wf2 k*f6m j ;hx9c: 0q( q+t?

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 k of a mass-and-spring system causes whos4h /j:jgl *w-* rd4act.ngkp8x 1k gat kind of change in the resonant frequency of the system? (Assume no change in the system's massk p g/sxg jno4dkatwr -8.ch*4*j gl1: 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 syste0mqgud -v t7jd-0 to7;on3e dpm causes what kind of change in the resonant frequency of the system? (Assume no change in the system's spring conj7e 3dm ;7-t nt0vgdqop-do 0ustant 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 system causes what kind ok sbcx:- ous,;3 arc*rf change in the resonant frequency of the system? (Assume no other ch :oc*3;cs kaux-sr ,branges 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 mass M attached to a weightlessh l1hlr t9z76pg k46vs string of length L. For this system, when undergoing small oscthrlv7hl 1p9zs 46 6kgillations

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, thyda9lk1i 9jkyw:;c( ie time required for one complete vibration1:9 wacyikji( y;kl9d

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. The period of A is T. Pendulum A is twicecc m(wcbw3 e-mep wy*+3opyct375ts + as heavy as pendulum B. What is the period ccty* p5mc73b(3p3es w-w o+t e+wycmof 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 0j-xam . gfdt*hu m23gl.3/duv*: xx ihinv1dsimple pendulum is tripled, the time for one complete vibration increases by a factor o/1*x-a lxdgmd.n h.ugv:dvu*f i323 hx j0imtf

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 simple pendulum's frequency if both itsp 1ubx.m4: *xnwd )mzd length and mass are inc)n .mx4 pdw1buxdm*: zreased?

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 an r;g,lng oh,,ad forth at twice the frequency of simple pendulum Bn;,,g,rgaohl . Which 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 acceleration of gravity k5vs4i a/bl8 zk-tc3z is less than on Earth, the resonant frequency of the pendulum wik-b 5saci z8 3z/tkv4lll

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 represenahcj 2( o,vv+cts


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 repreyt;e9vxg 9x 1vk:*ip)m0c pvv sents


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 re+qvz(rbrl9f *presents


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 vibration is found to depron ::3d.j s) mpp b0h8u1jfakend 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 the wave from equilibriumkv *5u-wmsac6 is called the wave 6wc*mvua s-k5'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 on wjvhq- h0glp o3)x*2wa 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 unitcj* udq.u oo8* time is called the wave'sqo8 u.cudj*o*

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 q pb(qda 1erugojcn)5-24p0nwave'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 hap8 .3eqnurpeg;t7xkt-9 eg/x upens to the distance between successive crest/txg3pe. g7; - uuekrtnex98qs if the speed remains 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 s: 3 k44 +w8)prvozhzyyhahyg6+,qk irecond wave on the same string has wavelength 2l and travels with the same velocity. What is the frequency of ti4 )rky,:o k3w+8 +z 4vyhry6azhg hqphe 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 wave on a string of length r3* inhou iz wasl32(.L, mass M, and tension T. A standing wave is set up. r3o2*isl. ha 3inuzw(Which of the 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 kz.rqd +xjpouobe4r*v- x z).)a r6z 7under tension T. The speed of a wave in the string is v. What will be the speed of a wave in the string if the mass r zvu* )e-az.orjxr) 4 o6q7pbzk +dx.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 lengt )*c e3br d c.0;ilk,tz9gjcng/)yeujh L is under tension T. The speed of a wave in the string is v. What will be the speed of a wave in the string k;uzig,lend ctc gbc* 3yj))0. /e9jr 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 tense+am/ ao8(u .vf- ,jtn( kreyhw(xe*oion T. The speed of a wave in the string is v. What wineo - wxaa je((o.vru (h8tyf m+/e,k*ll be the speed of a wave in the string if the tension 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. n. wf+4 q4yw+nciwqa -zs71cr As an S wave travels through the Earth, thi qz1+syqn44.ar +wccnwwf7 - e relative motion between the S 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 travelbdss03;st s;js through the Earth, the relatives;s;sbt3jds 0 motion between the 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 ; qeiyt 5f4exgy/3-oxis

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 al9(87gp0f ,qtqxi(pfs iwbgsh-q71vb ong a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What is th7(wg hqf1t,vgs9xqpibips7f0(-b 8 q e orientation of the reflected 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 e oyhq:ms sdmk36/k +9yach other on a string, one is traveling toward the right and the other toward the left. At the point that they occupy sm/m3qysk k+ o6d:9hy 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 pass9tr:f 9 14 qilh+syu.6qjwttp each other on a string. The one traveling toward the 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 occupy the sami.swh9q jfptt qr+t 9416u y:le 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 as a string fixex xv+0uelqs t;jezs+jp9hba dm8 -); 1d 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 violin stringnwe ba-:8w:sp88.aczeca:d2z8rsg l, the fundamental frequency of that string wi zl8b: c8 . dwaprwg-as82s:cae:n8ezll increase by a factor 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 mass of 04 01l)us ai/an2 jqwrx.600 kg il/4r j s0uq)aw 1xina2s suspended from 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 tob hdn*/f(m7 aw0upt;d4oak2 e a spring of spring 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 4dhtd2 o 0fwam*upeka (bn7/;mass 0.50 s to go back to its equilibrium position when it is 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 sprib+j vpy:2wdg)ng constant 60 N/m along a horizontal, frictionless surface. Th 2+ yvwpb)dj:ge 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 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 algfbxgqh6 rq, 3aow 763b;es7xong 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 position when it is oscillating. What6h3esx gbwox63b7fq7r a,; gq 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 complete oscillationsn)dow/0uki 4a in 5 i udnk0)/a4ow.0 s. What 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 ,c6qncfq)-xa u nmyds-f1.(u constant 20 N/mu m-qs,1c6xafy d.fnqn()- cu with an amplitude of 0.30 m. What is the kinetic energy of this vibrating mass when it is 0.30 m from its equilibrium 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 spr164pmr 1dkre eing constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonicrm kd41r1e 6pe motion and has a speed of 1.5 m/s at the equilibrium position. What is the 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 )ui7 q)s2uny)rn fg4ethis time. The mass is cut in half, and the system is again set in motion with amplitude 4.0 cm. What 4ufynr7)g ei)qus)n2is 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 attach z g- 2i.kbtn-w5gf w8w7uvz4ped to a spring of 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 amplitudezgfi- v2 wwun.-45pkt8g w zb7 of vibration?

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 alonwe (r7v+* lbdsbf73 upg a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what location are the kinetic energy ae(7+wp7b lsbr fd*u 3vnd 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 spring co/7qseyy0 eis3v7ju:dt4 em8u nstant 5e3 sj di4e7u:u8yysm0q/v t7e0 N/m and set 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 hor ;vxba,nb7o*ebv*4v u izontal spring of spring constant 50 N/m and set into simple harmonic motion wina*7vbo;,evub 4 b x*vth an amplitude of 0.10 m. What is the total mechanical energy 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 l 6f todf:bn+4g)/apbfrom the free end of an ideal spring of spring constant 20.0 N/m with ):dn +gof6bla4 b tf/pan amplitude of 0.250 m. What is the maximum kinetic energy of 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-spring system is displacedjf2r42dpd,lrz )( yxi 10 cm from its equilibrium position and released. A d2f,ljdr 4)x 2iry(p zfrequency 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 tok+yac les;uy.7m0o w4i0ecna;9s .ca a spring of spring constant 10 N/m. The object is displ ;y0.i0s9as+ cok;wuc a.4eeam ncyl7aced by
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 to a spring of spring constant 10 )8jv8kt)s nmv5r8gi 0gxlkk* N/m. The object is displajlkk)8850x gi*rkmn)vvt s8g ced 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 sp 25n xfupcrf0 i,r8sc ,fvjg07ring constant 18 N/m, displaced slightly from if0x rnsc7ff52c, pr g8i0ujv,ts 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 freq) )fna7y7jrzfiv507 vr3 zsziuency of 1.27 Hz when displaced a distance of 2.0 cm from equilibrium and released. What is the maximum velocitsfzvrfir7) ivnza3zy )77j05y attained by the mass?

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 different springs. Mass A vibr - 2mga:skt3gl* ou5hk,vk81ajxcj: bates 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 speed of Ag , :mkx3 u-:ogla5*2 hcjv8k akj1tsb 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 suspended on a spring. In equilibrjqmkrc 1mm-g ,n2r2v ,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 from rest. Calculate the cnm1j22 mgmrvqr, k-,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 spri90f3d2eek 5s l:f scjvkzb15 sng. 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 from rest. 953l1sb5:skzfke 2jeds 0vf cCalculate 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 suspended on a spring. In equil8x - 0ohi+jrt ov*owv;ibrium the mass stretches the spring 2.0 cm downward. The mass ;+x*-h w0io rvotv8ojis then pulled an additional distance 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 positiog2 cb -t8xjczu5nc( -mn versus time equation:-gcm( 8z cx2-5njcbut
y=0.50sin(π/2×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 motion obeys the following position versus time r;) ik.1kqc7rd4m lfy;sar vm ro2b+m.y8v9q equamfo v+7);cim.9qvks1rrm .ly d a2; rqyrk b48tion:
y=0.50sin(π/2×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 harmo jsc,ybu n9vxc60n wj g3u;2;bnic motion obeys the following position versus time equa 3;cvju692 xgnbcw,;0ybunj s tion:
y=0.50sin(π/2×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 end of a spring execu87:br35 t *pncic 5 9iyl4dkoal a6foltes simple harmonic motion according to tatoopr78 clf*b56n 3 i5:l9dk4liyache equation y=0.50sin(18π×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 a force constant of 20.0 N/m oeffzd dai7 ,++scillates on a horizontal, frictionless track. At t= 0, the mass is released from rest at x= 10.0 cm. (That is, the z+d,fai+ f7 edspring 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 complete swings in 8.0 s. (a) What are its freqir52h: s qxnl/uency and period ohinl:/s2rq 5xn 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. u-eud5ps(qp-rz:ka 17y+h wi What 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 ou/ xpk-4 o7/wjy9dmhuf 2.0 s on Earth. What 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 grandfath. 8hujkk.q.tp0 doh26z jdd 4ier clock is 1.0 m long. What is its period on the Eartu8k6iph. .j4d0koq2 z . dhdtjh?

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 grandfather clock is 1.0 m long. What is its p(p1bagksf3o,x :q *rd eriod on the Moon where the acceleration duer sd:g,13p(of ab k*xq to gravity is only 1.7m/s2?

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 n-e68tzl (/irf a/p wnto a massless string. When the mass is displaced slightly from its equilibrium position and r 8eann/ z/f r-wtip6(leleased, 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 of a 20-g mass has initial r lyp(a7s8ymi4b8sua/l4 7vrangular displacement of 8.0e. It oscillates with a period of 3.iyrasmb4/l v8(yr4ul 7 a87sp00 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 avq6 ch/q1tux +k -xl3mt a given time. The frequency of the wavq/xqx+m h3kl c-u v6t1e is 120 Hz. What is the amplitude?


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 given time. The freqnn nz-4s;m- uu pj)o3b6 -ttlxuency of the wave is 120 Hz. What isnm- n b usjzp)n-tt36o4lu;x- 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 ali-(o*cn-o ho given time. The frequency of the wave is 120 Hz. What is the wave so chi(o-nlo*- peed?


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 whiiqtt;6 k*t3f )ch3neo ch has a period of 6.00 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 wa+a)k0xj9d+m u7l knwqve with 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 x1w3f7 b1wls;p st k8c12 Hz and a wavelength of 3.0 ss;c3wx1t7 fk 8wblp1m?

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 frgk2pb4e ,o e:cequency of ko2gee p4:cb ,12 Hz?

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 q 3lbyzu *xg*l0kd.aw hc781q traveling 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 under a teyxi61 u*ojg /y/higwui4 su 68nsion of 1350 N. What is the wave6/1iuyyxi w g4* /giusoj86hu speed?

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/d 51mb( 0cfximz vzo67mv 30rzel-mt. m is under a tension of 180 N. What is the velocity of propagation of transverse waves alongzvz x3 e5l-cov60m 1bmf.m( d0zmt7ri 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.jg wr2e5oioc10x k)f 0500 m is traveling down a 500 m long wire whose totalo5rwikc j1 fe0g) x20o 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 propagation of a transverse wave on a 2.0-m long string fi )sdw/u c/n.cfckn6 b;xed at both ends bdf.c/ w;)/ n6cuc ksnis 200 m/s. Which 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 z gm79y0+viqmfrequency of 500 Hz, which one of the following frequencies zqim g7y0m9+vcan set the 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 vh. w;)2 hgc 5kmez;f2czm(nj four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with five equahz2. m )h5cnfmjg;kzc2(v ; wel 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 Hz with a standing h u+pm)tyh*,v 5+*wcc au( uey/ihh)ttransverse wave pattern containing 3 loops. What frequency is needed if the standing wavtew5* hcv(+huc )yph u/ *,h+ )auiymte pattern is to 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 tension of 20 N. What should zofa4/c-t/y7me + k/(mkpcjq its length be if its funda eopkk/ q -7m4(cyfa/t+jcm/zmental 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 linear m71 wz3x cfrr:+s rnwu/2fm.xpass density 2.00 g/m and lengc/w7pf3rmwx xs 1 +u2 :r.nrfzth 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. When the string vibrates at0c(bj+ h b0 ko4fpuj/z a frequency of 85 Hz, a standing w0p4 cbzu 0jfkh+ j/(obave 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:    

  • :
  • 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, 2025-5-11 09:50 , Processed in 0.574106 second(s), 219 queries , Redis On.