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 pr lbjs4;swbom 16wk7b9 h;sbb (ocess 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, the number of cycles per unit time is called6/w4lj(i* t bnof/gh ff;sdpwhi88m * 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, theon wiu)*,kom 8 maximum displacement from the equilibrium point is ca )k,muow in8o*lled 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 mass is at its maximum displac ro :;flf1in:*dvv ug)ement from equilibrium, lvnf:i)1f:;*rov g du 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 the equ3xp0zzv; bo w:bp-+axb k6 jh+ilibrium position, its instantaneous velocitz 6kp;zhaxj+v:xb 30-bo +pw by

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 thb py0n; ni. 6t/boid)xe mass is at maximum displacement from equilibrium, t.dxn0i i b;on b)y/p6its 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 bobs3zzwlw/8mpm3;m q t;q3nrqg1 up and down between points A and B. Where is the mass located whg;mqz 1m3lq8twz /q rm3;p 3wnen its kinetic 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 sb)e1uax 1e:e cpring and bobs up and down between points A and B. We1bxee) ca :u1here is the mass located 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 a,axr+syxstp +o po/31 nd bobs up and down between points A and B. Where is the mass loca+o13s,/ xppao+t yrsx ted 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 betweenn i(y;g qte0z+ points A and B. Where is the mass locnt;yz0eigq( + ated 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 vib-ln dx w rv 4augol)3) lo*s/xvt9x+e)rating mass-and-spring system produces what effect on the system's mechan /l)s+llouxwe xaog3tn- vv *49)rd )xical 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 r.dyqo :,y4/,ideoq vop i+c. system produces what effec,:io+.oq dve,p.yod cy ir/q4 t 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 constant of a vibrating6kzkm b 2zwm*1dk8 i)m mass-and-spring system produces what effect on the 8zkkk )im12zmdb 6m*w 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 end2y.v:1 sgdats of a spring, both on Earth and on the Moon. Where is thet ys2g:avs1d . period 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 k of a mass-andizayl4y4p )+5bqhg c;br. a4c1 w:xz blx au41-spring system causes what kind of change in the resonant frequency of th.bp4gy+:z1 ) a5yx1rlwhz4lb4 axq;aicuc4b e 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 ( -c6. odv.xblj.qd t p,*mvkbwhat kind of change in the resonant frequency of the system? (Assume no change in the sb.dxv(-q. vdk*b6t c .mp,jloystem'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 ct;m/vopu5u3system causes what kind of change in the resonant frequency of the spu 3 t;m5ucv/oystem? (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 mass M attached to a weightless string ofmw cf n6j*2:;gewy6u x length L. For this system, when undergoing sm*:jcyg un;6 wwx2e6mfall oscillations

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 penduldx bz:7-ie og-um is tripled, the time required for one complete o-zd-gx 7ib:evibration

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 ttno1dh0zx w g0b6 .4zkwice as heavy as pendulum B. What is thn1 6tdo. zg400zkxwb he 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 triple a,4yo +xsvbo2d, the time for one complete vibrat+ax 4,obyso2v ion 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 simple pendulum's frequency if both i5pr/zgciv7 h5 uweowy 255l q+ts length and mass are incr555l epzi+qw7 ychug/wov5 2reased?

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 of / cikm rwkd-.(4q.aqanh2 6dhsimple pendulum B. Which stkawqdkin r -(ah4.d.m6cq2 /h atement 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 acce)m fm,*6,x+ki1f1t r amyg akvleration of gravity is less than on Earth, the resonant frequency of the pendulu*1,ftx ,ryka +1mma)g imkv6fm 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 repr rpjo ,v.02fqtesents


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 repr hce6 p9x+)yvyesents


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 representj h etolc9u)npya8 15xn.2+fr s


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 depend on t6g5v*1v2lt yc k 5 dtrfg3qr6the

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 pointsyi,7n8 /rw;f+beu h ty of the wave from equilibrium is called ,u/r7ybiwy ;hn t8 ef+the wave'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;6p q(;dn/zvujepo0t crests on 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 time6fe;q8hlahx 3i/i, j; f5eivd is called the wave's;h5eex6jaldf hq i /;v8fi, 3i

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 kc7fh2 mn;0tz is the wave'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 distanc86 uarp 0ix. u9o;fg0b+pym /urj*rl ie between successive cre8gurupx/a +;0iu jp l .rb0m yrof*69ists 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 wavele r7yekm m)dmp/c-) udn pnp4 aw)b5q75ngth l and frequency f. A second wave on the same string has wavelength 2l and travels with the same velocity. What is the frequenc ncpmdmq754 d n-e ppwy5 a/7r)bum))ky 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 wave on a strinu y,w4 :tbezf3g of length L, mass M, and tension T. A standing wave is set up. Which of the followy3f be 4tw:uz,ing 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 T0 bnt tz m;z;f-1mfmgy6mby73. The speed of a wave in the string is v. What will be the speed of a wave in the string if the m1ymf ymt0-nzm bb;7 m;tg6zf3ass 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 ijv icvgeyxyzwns d-l 605 +q,:5c.tz :s under 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 length i tly0 , y:xz6+:c5vns-wgiqev5j cz d.s 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 tensi.z/su voh d8)vvj99q bon T. The speed of a wave in the string is v. What will be the speed of a wave in the strs9bvzoq)u9 d8.v hvj /ing 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. p.3lia+hkk,c n )1b2 pg iw9cvjl2b-e As an S wave travels through the Earth, the relative motion between the S wave and the particles isn+,pl2lkwic2) pgchk1 39iab j veb.-

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.;faonns 2l .9w As a P wave travels through thef wno2;nas9 l. Earth, the relative 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 wavef ui32 i04cuka is

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 discona2 y hk7hk-ql3tinuity where the rope becomes thicker and heavier. What is the orientation of the reflected and transmitted hqlk 7y2ahk3- 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 pad6 mqbco/; m0*ex-yr iss each other on a string, one is traveling toward the right and the other toward the left. At the point that they occupy the same region-bmo;r m q*yc/x 06ide 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. The2r, ,d f* m(n /veccraf,bmwlq*0q3af one traveling toward the right has a positive amplitude, while the one traveling toward the left has an equal amplitude in the negative directif(qrvmfbrmn l*0,cf2 a,* ew/,cq d3aon. At the point that they occupy 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 as a string fixed mga*r r rn7 z//mzyw-b2ook,4at 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 tensionk516tkyp bld) in a violin string, the fundamental frequency of that string will increask)6dtb51py l ke 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 cmc lm(2zndi-b 5roo/* m when a mass of 0.600 kg is susp b/mm*5 (zi-locndro2ended 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 to a spring of spring constant 60 N/m along a horizontal,xawdd::53uf t frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takesax::d 3u5 fwtd the 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 tomxeliu) g5,.t 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 mass 0.50 s to go back to its equilibrium posi,tlig5m.) exu tion 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 springy ckg:vk8l/;s 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 gkk;:ly v/sg8 co. It takes the mass 0.50 s to go back to its equilibrium position 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 undergoesl b2-q exhqg:3 SHM. It goes through 10 complete oscillations in 5.e q-2l3b hx:gq0 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 for*bq cgnhol8 fr0sf+3,th from the free end of an ideal spring of spring constant 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 gsc+q*florbhf80 n, 3its 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 spring constant 20 N/m along a horiz ,xqojfs:8y 5oontal, frictionless surface. The object oscillates in simple harmonic motion and haoj o,qx5yf: 8ss 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 tt-j zgpro*9(p his time. The mass is cut in half, and tto pr(g*9pz -jhe 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 attacht w.mn lr-l3-ked 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 amplitude of vibratiol 3m-ltk.n w-rn?

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 sp0ygo8gtepl.5yek, dy x)q 6(sring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonicldy q kye.t,sp )y5go6(x8 g0e motion and has a speed of 1.5 m/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 spring constaha(a(uvqtsx tc-yi6 86e y h4a9h6w s-nt 50 N/m and set into simpleavy96sx 8y- tu(hh(-4 shaiecw6a6t q 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 spring of spring constmw*k 4/mj:y+ 4y7mz lg5e d+cjwv- p)xxt2 wajant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total my y e4+mz/-dkm:pw x5gc j7w)vtmlj+jx*w42aechanical 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 from the free end of an ideal spring6i1x;v38g i ddh d1ylh of spring constant 20.0 N/m wil1;h1gi3y d id8v6xhdth an 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 syst.jk8meua*7ewi(/5 swbt rowx.mc/q/ em is displaced 10 cm from its equilibrium position and released. A frequency of 4.0 Hz is obs*iwo8qwkcx emw/j/.u 5 b7 /a(tr.smeerved. 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 constant 10 N/m. The objez(m.t;/ pd nzvh wws9+ct is 9;(+ms p.wwvnhd/ ztzdisplaced 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 spriosaz 2xezot;h2 t 2aa;3pbs;*wsk+kil*3vi+ng constant 10 N/m. The object is displaced oastok*k s*w2hp zi+;ae2ts2i3;a z lx+v;b3by
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 constant 5a:) jcev wd 3e zzr5:w-jhju318 N/m, displaced slightly from its equil:)z 5:jcwjvhd353-e eaz jurwibrium 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 be8 mh)lo p 7tsjqv 5bs8:qr(w:2*wabspring. It oscillates at a frequency of 1.27 Hz when displaced a distance of 2.0 cm from equilib8 :l(*bqho ws p8vb:5m s je)wb7aqtr2rium and released. What is the maximum velocity 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 di-b kgi 4gyvyg,:vagx3z y1.c2fferent 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 frequexvgkay1cvy 2i4by-:zgg3. g , ncy of 16 Hz. How does the maximum 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 suspended on a spring. In equilibrium the m di(/g0+j7o q zly xu:j10jxlmass stretches the spring 2.0 cm downwm lu(/q0ox+i0 y:jld zjg7 xj1ard. The mass is then pulled an additional distance of 1.0 cm down and released from 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. ( znwo(xot c7+In equilibrium the mass stretches the spring 2.0 cm doo+7t( zn(cxwownward. The mass is then pulled an additional distance of 1.0 cm down and released from 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 suspended on a spring. In equilibrium the m v, g+iznwv1 xqvox 55p:gy.+pass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance ov py,+w:ovp5gg5 nv1x.qix+zf 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 versus time equ o4vtk 3* 2hsrdp57vinatiokvotn32 4v7hp rd*5isn:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 8fddgosij d- eqaghgb- h7- p21-ov )5motion obeys the following position versus time equ-h7sd-5gde bq -p 2 8i ojf1avgdh)-goation:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 versus time eth)8 v y/8gvmzts b(7rquationsr tb /myvv8ht7(z8)g :
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 end of a spring iz0g0 :azwi j4executes simple harmonic motion according to the z0azijgw4 i0: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 t7gz;qd r qzlau2fx/z4)vlc 9*o spring with a force constant of 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, the mass is released from rest at x= 10.0 cm. (That is, the spring is stretched by 1*dzu /z)fcq7z v;q4x9 gr 2lla0.00 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 ryp1rqhp3+j.* bv c *ocomplete swings in 8.0 s. (a) What are its frequency and period p 1c rpyqhv or*jb+3*.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. What is i0ek(.*uwq1(vb k xcut ts 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. What is its len/;dn p bjgd1fo2eo+2egth?

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 4 l73 2e)crr(eg;b7 ptf pemrt1.0 m long. What is its period on the Eateebglr4;p()rc mp7rt 37 2 efrth?

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 gr d fp*2oc2q1/ogzzt l7andfather clock is 1.0 m long. What is its period on the Moon where the acp2f2 zd7*zq1/olg oct celeration due 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 t)+ sjuc7t cd3h1rko3gk bpf+ 8o a massless string. When the mass is displaced slightly from its equilibrium 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)8)jf1opgkbtck37r+3 uh d c +s 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 mwl7(ps .0+5fg mtndex ass has initial angular displacement of xf+ n w.mt5l7d0 p(egs8.0e. It oscillates 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 wa50rm5z3 jd.lugf,l s+ wryr ig6a5ji :s5q3plve is 12lgg5+,zpr5ljam6qs5fr u y.:wi30j r53ldsi0 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 *x4adoe 3 )t6gfuh1rm6wt y/rnr 5xy8a wave at a given time. The frequency of the wave is 120 Hz. What is the wavelength gh51r r)wuyer*4o /fa8tmnt6xx3dy6 ?


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 time. The frequenc-e)igar -,cju y of the wave is 120 Hz. What is irj,ac--)ug e the wave speed?


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 wav+ h1/zyjzyhqbz +sgo(( jq97 be which 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 wave with a frequency of 1500 Hz? ctc.6cq q,f(r

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 and a wavelength of 9kr :3cqvjvz 23.0 m?c 9z3rqv2 kjv:

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 t2b8 ywf0 (tc1rzijfil ; way8s299itwavelength of 3.0 m and a frequency of 12rt1 82ywf( 9it jzslc a;9i w082fityb 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 traveling as4k/w;vs o zt7t 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 linearm*/wuq 0y-q ur,sqs3q3a: apj mass density 0.0050 kg/m is under a tension of 1350 N. What is t3may ,qa/q:puq u*sq r-0w 3sjhe wave 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/m ida33zpnl;rqlgkfc . qm 687x5 s under a tension of 180 N. What is the velocity of propagation of 6gq3z8mf7a.dn3lpklr; 5 c qxtransverse 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 .y4ooycn8wj 9ok 6nj2500 m long wire whose total4 ycj86wo.9jo2okn ny 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 +qjm wov9/9 fnlong string fixed at both ends is 200 m/s. Which one of tv /jm9 wqno+f9he 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 3 uwgl37 fkjldp/.1h f*mhm3x500 Hz, which one of the following frequencies c.f/jdllh mh33px mug w31f*7kan 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 wlbd:4nmqk )lf8olr;2yk8 x7 to have four equal segments in a standing wave driven at a freqok)8 qby7 fx dklml:4nw8;lr 2uency of 480 Hz. What driving frequency will set up a 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 freque gvi87esv2 sg;)oh, kzncy of 12 Hz with a standing transverse wave pattern containing 3 loops. )v shv zg se87k2ogi,;What frequency is needed if the standing wave 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 ofv6na o;woo8zf yzy(; 2 yjpk1: 20 N. What should its length be if its fundamental resonance frequency is 220pvnz;; f ao6 jky:8y1wzo(2yo 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 ofho.;o/gnx2 3 f:mzboa linear mass density 2.00 g/m and length 0.600 m wgom3n2:ha.o xbo;z /f hen 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 v oqw (h -kcw2f(retbd2.e2 u,the string vibrates at a frequency of 85 Hz, a standin(vc 2(w.t o-f qeeuk22hdr w,bg 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:    

  • :
  • 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, 2025-4-26 00:01 , Processed in 0.479030 second(s), 220 queries , Redis On.