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 ckc : e(xc3xl qu,7em-+ghoe.v t.hyk, alled 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 cy e42ymy(.njrn e8 profp)60 tmcles 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 pointa vnpeiuo*l w c6-9y:u+:h0m u is calll:avin*uym6:- 0wu po+h e9uced 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 (wp*v;s p2 kybis at its maximum displacement from equilibrium, its in;*psb w2vpyk(stantaneous 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 equili 5* 70dhzqaszva1o (febrium position, its instantaneous velocfzh 0qadz1se(7 ov a*5ity

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 maximum displacement froml5 ,qelo +unf j,6e*co equilibrium, its instl*+j,qeloo 6f,5 ceu nantaneous 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 n3x/4n tlk-fypoints A and B. Where n-y/nx3 klf4tis the mass located when 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 spring and bobs up and down between points Awl0dfdrq mby4 9 .pt9, and B. Whererp,0t.4qd f y9m b9wdl 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 agvm v dxb, (vk.d6a5ei4; p5gpnd bobs up and down between points A and B. Where is the mass located5x ;.padmgb(4,kv65ep v v gid 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 betwifcp)rnf-1fuj 9 z 8+zb;h g3geen points A and B. Where is the mass located when its potential energy is au gcfh+zff-b1)rinz 9j 3p; 8g 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 vibran0d rbhwvn(u;,t s4 .k;*+jszzoyw+q ting mass-and-spring system produces what effect on the s wdwq 0nos+ tb(v.y+;s,hnr;4zuzk*j ystem'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 vibrazn8bjczbo +w3 7*.aejting mass-and-spring system produces what effec jc7a zeoj. wbz3b8*n+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 vibrating mass-and-spring syutzxi1y()qn0 w1/xtnd96ax -* hh ajmstem produces what effect on the system's mechwm/ z ) 9xhhjatxt1n x6yn0d(qa*1-iuanical 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 the Moon7l lwjd +8xev*fx*s6 u2p 0+1ljkjmkj. Where is the period thes67e jf1mx j +*l82xj0lp+dw k vukl*j 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-8ssc 1 lxt c+2,gocc ulig0u(6and-spring system causes what kind of change in the resoncg l8,su6ogls 01+cccx2 ( tuiant 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; 8jha;fcqyf i28m jl8-spring system causes what kind of change in the resonant frequency of the system? (Assy f;8c2 la8fhj;8qijmume 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 systdp:gij s,(r6jgi +ezb7zj2 kd*:ny2sem causes what kind of change in the reb*sz:s g7j :i2jejky 6pn,r (2+ gzdidsonant 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 mass M attached to6 :4dnp;jewnw a weightless string of length L. For this system, whe6e 4;:dpnw njwn undergoing small 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 pendulum i7 vawq;dn rvw 9ck,4*xs tripled, the time required for one complete vibration 4 v9vqr*xwakd 7;wcn,

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. Pend*kme,ugsa +r +ulum A is twice as heavy as pendulum B. What is the perio ek+,+mga *usrd 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 trid1:h o-xc n6ispled, the time for one complete vibration incr1n-s: hx 6coideases 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 its length and7u k cy,roi* gqjc -e+e0u9bt/ mass are increaeb g-rc9ikquye *t70+, c/ ojused?

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 zzh6 h61-( ,xkgz ;xp a/3k6ogn vspdmat twice the frequency of simple pendulum B. Which statementh;odg,3x 1z(ak6 n p sgzhxpzv 6/-m6k 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 t: f.wm9kfive06sk zgb- wv8-x/k nsm/ he Moon, where the acceleration of gravity is less 9-.8/w-0 sm/bwzkx6 vnk:gm s e ffkvithan on Earth, the resonant frequency 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 repkoio u01)o-nxkdr9o ,resents


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 sd7f wxi zix l+ 77est)3wwdvv.rv,,7esents


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 represe4.aj peg,2*9hboylj c1 lk7 gunts


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 i1hf01 t d6kx8t)zb qzvvkuo23s 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 displaceme:orh446qng f/; whynp nt of points of the wave from equilibrium is called the wave's; y4 fwnphnorg:64 qh/

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 succe*ng ecgspy9;* ssive 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 uni/5e y)6cpyxetn.q2 b pt time is called the wave's5/ by x6p2qtee)pnyc.

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 wavelengtw6ciwu5 1vk,c,:vzy 4a(3 :aeogjzmyh 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 increa p6,o: dt(okk5 0.fj9 am9pbfj xe*w dki0zmn9ses. What happens to the distance between successive crests if the speed b p9odf0to,j ka(m. x9m 60k:ekw* jidnp59zfremains 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 strnk6 9 s4v2oxioing with wavelength l and frequency f. A second wave on the same string has wavelength 2l and travels with the same velocity. What is the freq9ks2ivnx oo64 uency 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 string of length L, mass M, and tension T. A sty u -i*.gb iqab5/a9jeanding wave is set up. Which of theg-5b /abyq aie*9j iu. 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 lj;pg((y l8xz1u8vg 4l2ihnlu)n u3i mength 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 if the mass of the string is increased to 2m, with no cuv8jnu23 1y()8m xn4ll;h igzl(uipghange 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 speed of a wave in tifcf .sx)1gg6 he string is v. What will be the speed of a wave in the string if the length is increased to 2L, with no change in mas6cx .i)ff1gsg s?

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 )clkx-6(lga.ki v hk. tension T. The speed of a wave in the string is v kxg kla kli6h)c..-(v. What will 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 wavi 6sth )svv0qzu :kfw90fq /w3e is a transverse wave. As an S wave travels through the Earth, the relative motion between the S wave and thewsfiv3ku sq/tv6w zfh090: q) 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 ths7 j3qf6xcxlzct- ac4 .dm( l6rough the Earth, the relative motion b37.6azs cccq-(4xt m f xl6dljetween 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 il1jyq)lmj( (4p 1la itmq9v3ps

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/ e8xyi 38bkgkie6 )un right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What is the orientatiy3)eg /buk8 xi8ie 6nkon 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 amplitu,k.s8 xxx:jjyi9c or.u.;mgqdes pass each other on a string, one is traveling toward the right a.xjkcg,:.9x x s.joum;q 8 riynd 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 -fhfczu -r/p cg 9vrq28x2m6seach other on a string. The one traveling toward the right has a positive amv m2fu-9r6 f/pcxc28g- qszrhplitude, while the one traveling toward the left has an equal amplitude in the negative direction. 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, suc5+jgn p:wr g,ph as 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 violin string, the fundamental frequency of 5uv y7yuk noe1 d;d)1uthat string wy7)od; y5dn1 u kv1euuill 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.a:c i/ b(8hrw2 grki3n00 cm when a mass of 0.600 kg i(hriw kg/:ncr8i23ba s 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 to a spring of spring constant w0ou:k45r zs0 i,ob1kx ccyp-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 eqsbk0z:okw0o xcu,y-p 15 rci 4uilibrium 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 spring constant 60 N/m along a h(difxllpua24e, x-5j orizontal, frictionless surface. The spring is in5iel pldju ( a-4xfx,2itially 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 along a horizontal,oc((r f t+zg4q8tj)la 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 oscillatin q zttrgfo(+j(al)8 c4g. 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 complete oscillations 1),v e 7nrjvyxin 5vyr 7x,n 1vje).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 co7nivgu48/4 dwe ls5c mnstant 20 N/m with an amplitude ofu g5wi8 4csl7mn4/ edv 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 sprink ,l*r 96t gyh:ww-(kuqqx gr*g constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motiouwy ,rhql-r:kqg*kw*g 6(9 xt n 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 amp/rl, j bmg bz z6w;j6;v+x /tcx1yt( h*eyga0xlitude of 4 cm. The energy is 8.0 J at this time. The mass is cut in half, and the system is again set in motion withgt1 z,6y hb/ygxxwv+ez /bjm; rxjc6ta (*0;l 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 )mrugo 6 7q e.7ck)iagof spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple ha)7.gqr )6ckoiema u7grmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is the amplitude 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 ofhtw cnh (spmnl5q w2) ;* h +b:stxjk)l(f6lh- 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. At what location are the kinetic energy and the potential energyh6k)hc bl ;n 5m-*+pq:lhw(tsxjnh flt)2s( w 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 t0o1oyix8 r.,glwzd hnq w6b0(he end of a horizontal spring of spring constant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanical energy oy 160qw b,o0x( .nr w8gdihlozf 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 attocjmap gy4da w4 67+ig a(8a+trw,ph:ached to the end of a horizontal spring of spring constant 50 N/m and set into simplmy(ta8j4+a6gpa idg hw 4acp o+7 r,:we 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
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 spring of sz siz evhy8b(b mmq*m-4ap496ir .j.0zs8nq bpring cob8brsb.6 4i 4z.0zym -znjqm9hqi vsp (8*ma enstant 20.0 N/m with 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 system is dbtd+nik+5 mrlht9 s8bv6*uec0 ct-- uisplaced 10 cm from its equilibrium position aueh*istu vdkb0mrc+t8nltc- 59 -+6bnd 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 constang57 q6q o0g-qrk -jqtkt 10 N/m. The object is displaced bjqo7q6 kq 5r0-gk -qtgy
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 cons4l)n9-qbdhcu9pv zw 0 tant 10 N/m. The object is displaced b9 n0hq wcupvz49l -b)dy
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 18 N/m, dispj;pjh -fb4 aeqf: cm9-laced slightly from its equilibrium position, and released. What is the frequency of its vibrajjf49mf pc; a-:eb -qhtion?

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. 6 rb;jgti 2k4u It oscillates at a frequency of 1.27 Hz when displaced a distagb;6tu 4 kir2jnce of 2.0 cm from equilibrium 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 different springsxa,ss:np t, w6. 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 fspwxs6,,:nt a requency 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 eqxr2wn )cmx2pd+ba m17uilibrium 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 period of osx m )17dp+ wnm2a2xbcrcillation.

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 equilibrium the mass stretc1d .ls.iwd23 f f/kk,cf3vjdshes 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 total energy of the system.d.cikfw3 /sj31f2ld s. fd,kv

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 mass stretches the daph6,ujhgw+f3 -up *usa+ g0 spring 2.0 cm downward. The mad g+p0ufgj u3+aa6hpw, u *s-hss is 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 motio,- r2a8m gof(fy9ebcln obeys the following position versus time equatl2eg89 fr ocfa,bm (y-ion:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 motion obeys the followin .x.gtaj 98shsbgjux9w:y uk7 xfy1* ;g position versus time equation.y7yxkw1sgf;8 usb .x9 tujah x9*j: g:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 followin+0j+cpt-pkxm k1- u3qc l slg8g position versus time equgtlxjs01 q+p8-kcpm k l+- uc3ation:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 executes simple ha,s 14,oiq ppp -tk8y xas 1etvt:u)8/7utbuyhrmonic motion according to the thu1apt )yp8is,vue s:8 17u-kxpo/b yt,tq4equation $y = 0.50 \; \sin (18\pi \times t)$ 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 attache,iz) :hftxijm ; matk,w2u 96ld to spring with a force constant of 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, the mass is released :zathx f2w6,,ki ) mjl 9;itumfrom 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 complete swings in 8.0 s. ( bpvrmnayi8oavd n r.2 s/(.74a) What are its frequency and pennor y. 7 8apmv2is.bd(av4/rriod 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 its period on Earth?b7v 8o+saxt r1p0q;j j

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 zbt4avjxj; ,g8mzx 9cb+ t4k 1on 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 grandfathe(f,2t)kvjil g (b -wknr clock is 1.0 m long. What is its period on the Eagv nf2 ( kl,jw(itbk-)rth?

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 ywa .1gazfn.9ob .58o2g/xj qrk,x0vxf-ht vits period on the Moon where the accelerationg.hzxkv xg2 aw.8 vfn-of95ayq1/ ob, 0tj.xr 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 to a masn9.1i:u8tfj -h pexecsless 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 hav j9u.fc x8peiet1:hn-e 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 inieoxv xc+ 67n1w0lg.e;rttg bc.jn:a5 tial angular displacement of 8.0e. It oscillates ljxct7e v:w e.ax0trg + ;c6 5g.nbn1owith 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 o(s okoa. m8kxdk2/mc8 zd;ye) a7y1caf the wave is 120 Hz. What is thes od a m)k.mk788d/x(;oac 21ykceazy 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.zp-f ut/)wjpol58rn 4 ia.zw( The frequency of the wave is 120 Hz. What is the wavelength?pl )f/5uz 8wrtia - jwop.(zn4


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 tim4gc ii(n8 b :co(*q4tawqi p8me. The frequency of the wave is 120 Hz. What iw t:qcci(giq4i b(np848mo a* s 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 wave3. ao-lsbz08in pa. vw 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 ,i5 hpcoedh1 lq a+8b;wave 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 12 Hz and a wavelength2bo;,jk*hw; ks s zal9uex :5g of 3.0 mxsaw 2;zlb *e sg,:5okj huk;9?

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 d-m-gaq2vyn5 a wave that has a wavelength of 3.0 m and a frequency of 1-2 5nvmday-gq 2 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 iew5, ph(q/mvhhaijhe k gt 5q 94-s75traveling 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/-5lx461ogv dxerv1vqm is under a tension of 1350 N. What is the wave spe1odxq5xrvv6ge41 l-ved?

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 abu1vg;,ob6q mq)sr6dx2eq :e w* -geN. What is the velocity of propagatier b u6sxqq:;a6eo -v,g)bew1*mgd2qon 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 tra+ndro n4ps) 1nveling down a 500 m long wire whose total maso sp )1nnr+n4ds 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 lo(uhd (qrj52v gng string fixed at both ends is 200 m/s. Which one of the following is not a resonant frequency of this stri h5jg(qv d2r(ung?

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 fre+k0p4s ,bxz-tf,zbsv9s) k n+ecuz6 p quency of 500 Hz, which one of the following fre,t4bsz0s ,kxc +z+n6pf)- k9pubeszvquencies can 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 four equal segments in a sta xcss8gfv3c 85nding wave driven at a frequency of 480 Hz. What driving frequency will set up a stand scvcg sx8f358ing 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 en 7xcv/itbxe9 1ds, vibrates at a frequency of 12 Hz with a standing transverse wave pattern containing 3 loops. What frequency is needed cx7x1 vti9eb /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 un* wfqblrhlh s ,4ib)82bk2g0n dut7h,der a tension of 20 N. What should its length be if its fundt4lh k)7b 8bfg20,q,2durn wlbh ihs*amental 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 mass density; 6a3vl oabz.ywb)u) l 2.00 g/m and length 0.600 m when it is subjected to t ovl;zau.ab) bw3 l6y)ension 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 smt-8qeos /eu +tring vibrates at a frequency of 85 Hz, a standing wave with five luq8me e o+t-s/oops 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, 2025-7-1 16:39 , Processed in 0.503501 second(s), 219 queries , Redis On.