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 t rn2br :c)-etcu5tr2 k:)i eiow.wq2 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,b1wno h12fpm- m+*v 1ma mcq(r 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 disp6 hle: a)5/azc cw9ustlacement from the equilibrium point is called tu a:hewl6cz5 a)s c9/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 ut*y5 a b.fvehk/gs-p1tl; cb) ndergoes SHM. When the mass is at its maximum displacement from equilibrium, its instantan -)ytch 5be pg s1abkf.tl/*;veous 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 equilibriux; ,xm7j 3dvcuqeq89/ja sd.mm po3e8,cvd/j jq9mx 7q.smad u ;xsition, its instantaneous velocity

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 iq3 (7iqjrt5n ws at maximum displacement from equ(qtq5ni3 7 wjrilibrium, 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 verticagu0 r69(n jkplc+s xw0l spring and bobs up and down between points A and B. Where is the mass located when its kinetic en0pk9+0sc 6lgwnrj x (uergy 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 ve bvuk gd.mx)o(. hqb44rtical spring and bobs up and down between points A and B. Where is the mass located when its kinetic energy is a maximu dgu4. mhq bkx(ob.v4)m?

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 ver s b:* 1*tnjr0qfzzhl.a)ys2ltical spring and bobs up and down between points A and B. Where is trbzsh*q lj2.fy:)tl*za1s 0n he 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 betw0q d ry axbir2 .ecymrl5;*7(feen points A and B. Where is the mass located when its potential energy is a maximu.2 mdrq lx;r( 07rey5 cibfa*ym?

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-spring system produces whatu3 vzijv:6qg5 z +;j9ik(zfw(e 5gz th effect on the system's mechani; vg 6(z+z :9wjkg5u3( z ej5vzhqiitfcal 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 effeeunws1/pwo,e49 kujc iy- 8 5yct on the system's mechanicawne85-y,ykjoeuu p1 c9 wi /4sl 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 system prod4ska2s8au2r, x r 6lwm xi9)bjuces what effecir 2xrawu8sa24 k9 b), 6xslmjt 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 Earth and on the Moon. Where +./ko p ec9vx ++ycexa ip):zvpz*to1is the period the)9 pp+k o+c.e1oavct*vx :izep+x/y z 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-and-spring system causes whava7o3n,jy 2ttt kind of change in a,tvt2j 3oyn7 the resonant 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-rp3q8:fah 0b qspring system causes what kind of change in the resonant frequency of the system? (Assume no change in the system's sprrfb3q:hp0qa8 ing 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 system o*e5 jbzy4/ojh;mb 23z8 nqqncauses what kind of change in the resonant frequency of the system? (Assume no other changes in the system.)zjmzyj8/ 2 nb;*qh5o34n eobq

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 s--hvkvm2 ;uqax ia9w 4tring of length L. For this sy v-m-a4i;9qa hv2uwxkstem, when 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 is tripled, thay kc:r32,3fj2 tkoj ne time required for one complete vibjotkf,c r2n: k33 yja2ration

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 ia,ktw 9 nj7/umni0ue 7s T. Pendulum A is twice as heavy as pendulum B. What is the per,nwau/uj em9tni07k 7iod 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,899h9.g2 swpsn mlw fr the time for one complete vibration increases nmwg9 .fw2h98pl sr9sby 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 and mass are i( kopqp o*tclb48lv(elcp// 4ncreapv /p(l8*p(oqlk4 le4c/cbt o sed?

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 simple ps5z*4;r5d z *vv ntm7 jy-ntryendulum B. Which stn js7tv* m5y-r z*d zv54t;rnyatement 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 accelera 5u-s o 1g2o ajot5*isxgkv:p8tion of gravity is less than on Earth, the reson vj2 xk:s8ggpoi*ut5-1aos o5ant 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 1t 8 p7fa;ippwrepresents


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 representdz*+4trr 4 slkx 08ufws


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 reutgx9n4ucelpgk aa2( ( m.6r: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 qi (9nljzj0:ue :+kcb/1 a yqzamplitude of vibration 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 displ:jv7b k22xbn 3pe/kf;fxbeh .acement of points of the wave from equilibrium is called the wave's37kb;jvfneb f2/xex .p h:kb 2

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 a wp2yxzr(i 6r* jp5yf n am6xp4,ave 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 t: 6c*, jn8z:3kb v)vm wzkgdcwave passing a point per unit time is called the wave'sc:*bv gt vn: wkc6,38kdz)mzj

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 walsysb( n67e+a:3tfyct-a aj n(k25qgvelength 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 tikzrp;zrtcl gc lf)s815 r608o the distance between successive crests if the cs5tczpz0kilf8l r1 g 86r; )rspeed 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 frequencyv y65h t.)nrwl f. A second wave on the same string hawyht5l v.6)rns 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 wave on a string of length L, mass M, anpska(xz2 h +tp5vin2/ yk5khkf,90e nd tension T. A standing wave is set up. Which of thk y2k25za9pe xp,sh/ +ikfv5hk nn(0te 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 underp 38*w - a6wv,sijzytr tension T. The speed of a wave in the string is v. What will be the speed of a wave in the string iyrjt*6vp was 8 -wzi,3f 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. Thej,1atso:t te) 4 m5fzf speed of a wave in the string is v. What will be the speed of a wave mt1 ze jf) f4o:as,t5tin 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. Theqq)tfh;*r-. k b :sodk speed of a wave in the string is v. What will be the speed of a wave in the string if the tension is*k tb.qq-do s)rfh;k: 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 wa0kbx -k* joyun(57o nave. As an S wave travels through the Earth, the relative motion between the S wave and tu oao*(n0kyb -75kj nxhe 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 t7loi3mns* rn /ravels through the Earth, the relative motion between the P wave and t mnsn/rl*37o ihe 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 wavehxq0+fcx8:xrpa qia k28, npeu34j7j 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 corducjbu8 y71/2a xm )rgh reaches a discontinuity where the rope becomes thicker and hea/xjm2uu h1r)g cyab87vier. What is the 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 each other on3ngczr*k b wfgai3:.4 a string, one is traveling toward the right and the other toward the left. At the point that they occupy the same region :gk 33.i4rngca*bzw fof 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 -0e jme-rrv/cnc*aady0: kl- a string. The one traveling toward the right has a positive amplitude, while the one traveling toward the left has an equal amplitude ir0c *avre-ajn /-edk-lmcy0 :n 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, such as a string fixed at both ends, occurs whlmxuu1/h,yr9 en

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 )xwtv -m e0n-kt)bb x)fundamental frequency of that string will incre -wm)bk)v)bxetxt0- n ase 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 wer-p0oi8 4*wjje9ueu siex 7;nq6nc /hen a mass of 0.600 kg is sus8oe0e*ir7 s9-4i;ue/cwn u 6jjpqxe npended 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 sprinn2d+1 fzasx8uh+ jkr2ap:wr) g 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 position when it is osciaa 22w8fr+ hkjd rn u:+p1szx)llating. 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 b em-mx2v.n7k 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 oscillat7k.-2 vmbemxning. 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 alon7blc)u.wp3xk)4 wuw wg 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. What is the frequency of oscillationw.k w4 7uxwluc))3pw b?

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 to8dk .2hcg0iu y g 7bgb28h5ofhrough 10 complete oscillations in 5.0 s. What is the pergy.og7ucbh88 5 fbkio2 2 0dghiod?

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 f dxp3 ;r1st5ed+b*to constant 20 N/m with an amplitude of 0.30 m. What is the kinetic energy of this vr;p detb5x 13o tfs+*dibrating 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 spring constant 20; op u-mcguxd )2-yme; N/m along a horizontal, frictionless surface. Topm;ugxm-- )2yc e;udhe object oscillates in simple harmonic 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 t)js uc77vo0j71 ajiqat this time. The mass is cut in half, and the system is again set in motion with amplitude 4.0 cm.io71c vq usjt77jj0a) 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 of spring constant 20 N/m along am2au9 8nfzgr9 horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed ofu9z 82an9m grf 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 att deuaf8c2 7o6pached to a spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates f6a pdo72ceu8in 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 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 constanvb-*u 0zzt9fo(cm ho / e3r.kot 50 N/m and set into simple harmonic motion with an amplitudf0b(u.kvmc3/ t rh- o*ezzo9oe 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 constant 6mc-s-gzedzugtr*f0* rff0mj7s0 (p50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What isfu tgzjms0 fr06z-(7 cmger* pfd-*0s 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 (.8r o6 cnmx:ggshpi5 spring constant 20.0 N/m with an amplitude of 0.250m6o crs 58.ixgn: g(ph 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 systeh4l0vng)l 3h*wk qs, dk5 7hfum is displaced 10 cm from its equilibrium position and released. A frequency of 4.0 Hz is observed. What frequency would be observed if the mass had been di uv5g ,0d3s4 qlnw*hk) 7lfhkhsplaced 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 n*fhn2er+ hw1 10 N/m. The object is disp1nwrn2 he+fh *laced 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 crpyglkyzed85v0 k3xn l/6 kk(ay78 n:onstant 10 N/m. The object is displaced3z6/v807n5ky :p(ke dx krlynylga 8k 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 consr5a+ax wa,:ojtant 18 N/m, displaced slightly from its x aar5 ajw,o+: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 sprc.j fkps+0l2,svsfy/ing. It oscillates at a frequency of 1.27 Hz when displaced a distance o0v+/2,yff sps sjl .kcf 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 springs. Mass A vibrates wivz ,a/kc 0mdc f/uqr+2th 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 A compare to the maximum speed ofcrmu/ 2 z,qacv/0f+dk 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. g9p xpnvv0lq hu01*uh,e-pj, In equilibrium the mass stretches the spring 2.0 cm d0p1pug0 hv *9xu,v qnjhpe l-,ownward. 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. In eqk7x t:hg90;dfcw/ :r;ft:x -enpzjqp uilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and rele;x9rf g/7pzq nwpkct:fh::tx0j -e; dased 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 suspen ap(j zo-+: dm/qx9trvded on a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional dista9/pm+ :z-qtxa djov(r nce 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 followingele) 90e5sznrdv5 qx ( position versus time equation:vxl )e(nes50 9qzder5
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 harmoniya0 ze:,adnr4c motion obeys the following position versus time equaze4:d yna0r ,ation:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 harmonic5nbhp7ly qx c a(kbb2 23,z/nx motion obeys the following position versus time equationb xh,bxz372b cy(nnpl2k /aq 5:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 sip0u3k01 kv *p nuyvo54uys*khl*n. wsmple harmonic motion accow 1s03kkuso0**nyupnv*.k hvu yp5l4rding 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 a forc0 ,y,v e7kmwgy8v 3dige constant of 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, the mass is released from rest a y8dvg wy,0,m7e3igvkt 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. (a) What are its frequency , hz; phpm.1;in, tvbband period on Eahpivm.;tn bhp, b;1z, rth?

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 (6cosf k77pse?

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 E .aemsaltw-z i+lo9owl( p*5. 9vxak1 arth. 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 grandfather clock is 1.0 m long. What is its pe 1ink7+mkt/ 2wikuwbh(-hxkh5k5 y r(ib;e/g riod on the Eark 27wib-15gh m+nyk(w5 uix kkh t( ei/r/hkb;th?

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 is2kjvlhw2q6w ( 1.0 m long. What is its period on the Moon where the6vl2khw 2(qjw acceleration 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 sphep7 / cqr3ohz3yrical mass attached to 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) had been attached to t7/3ypz q ho3rche 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 h1m9:c3l: r3pc viwiszas initial angular displacement of 8.0eri3z :mpwclsic9 13v: . 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 atkfdu 4 7u23xrl: sb*pc a given time. The frequency of the wave is 120 Hz. What is the ampr u3fd7bxup2c:s*4 l klitude?


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 a8/ ijm4g - mhk ,yn5*toq6ledm given time. The frequency of the wave is 120 Hz. Wha o,kmngte6d-hml5*8 qi/yj4mt 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 "snapsh53ss2p: btzu1pqz,o v ot" of a wave at a given time. The frequency of the wave is 120 Hz. What issqt2v pz, so3bz:p1 u5 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 wave which has a period of 6.00);h m1nnrsu -k- 38ooz1 rddqf 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 fregc::ziv2 / jucquency 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 wavelength of 3.dstjaq5a+y 3 *2d7iy l0 2d layda j 5s3yq+t*i7m?

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 8r:dtge s :gj/y f)1lba frequency of 12 Hz?1 eyr )jdb: ggfst/8l:

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 m4tc4 1tsx ztha10yln4 wave 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 tensic:c)1;d,+q r 0,uoy czklpdl ton of 1350 N. Whatcul;dc:qc0) 1zdyok ,plr,+ t is the 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 is under a tensia.2l+fzp+ jymfm)7r hx u(kx 2on of 180 N. What is the velocityf uxmfa2x2(l+r h. pkmy+z7j) of propagation 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 i xe:0a2*uijdm+nx+q:g(s uh: jfv -t ls traveling down a 500 m long wire whose total d-t:+ui(qe2ghj *ufamns lj:xv x+0: 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 transvji+nrlxh 3 -v faq- :9qsylw*3erse wave on a 2.0-m long string fixed at bovsw:lq9--f3rjxni + q h al3*yth ends is 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 fundamentadyjqlazc,9., l frequency of 500 Hz, which one of the following frequencies can set the string into cdz .jya,9 l,qresonant 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 ha d)f3fg 3mdec3ve four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with fmf33fd)g3e cdive 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 7 k8n9nd 1ipmkcthk;. ends, vibrates at a frequency of 12 Hz with a standing transverse wave pattern containing 3 loops. What freq 8i9kktp ch 7.n;mdk1nuency 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 acnhte:mj6ig );4*ad k tension of 20 N. What should its length be if its fungm4tk ehc:*iajn;d6) damental 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 deu8ey yp crstu2q;v6fq2(+f0e nsity 2.00 g/m and length 0.60qur; tyu f 2ye pse0(c+8fq62v0 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 atfn(btv *wr2 yk)y1c 6z a frequency of 85 Hz, a standing wave with five loops isk ynwcbvf1z( 26t) y*r 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 01:13 , Processed in 0.590067 second(s), 220 queries , Redis On.