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 called thkv7)eyv q)qh yz sc06wz*0:lf e

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 cycle9 z1/6yuv(oo wh1hk1gyun zj + ;b4ekes 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 thm+ fr orpbkj+e z 38*)utw (j4,lzs4fqe equilibrium point is calle+4+ bk opj3*jq ),t4 zflsm8rr(uwzfed 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 displacemen v.j kqmosp7z79uo )a ut2t6*et from equilibrium, its instan2 aq.6toue7jpvtz ku7ms)9 o*taneous 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 unom w 7sq3zb+ 6ocf87ohdergoes SHM. When the mass passes through the equilibrium position, its instantanzscb 63q f7w8 hooo+m7eous 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 is a3t)em4s:fp ojt maximum displacement from ejp:o 3m)te4sf quilibrium, 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 bobs up and down bszzf-3 ihgdga 9y.8ms9 j( b2ietween points A and B. Where is the mass located when its kinetic energy is a migf9bi assz- (3d.zi8jgm29hynimum?

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 vertit9mfm z26 ho9ol)k.t gcal spring and bobs up and down between points A and B. Where is the mass located when its kinetic energy is a maximum6z lfmot2)gk 9ho .tm9?

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 between points2.sp grlhg9qp)3qv w 0 A and B. Where is the mass located when its potential hsg2wprql vg p93q0).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 betwee otwmlw+l)c;q ; 61scfn points A and B. Where is the mass located when its poo6scqfw1c ;w +lt; ml)tential energy is a maximum?

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling only the amplitude of a vibrating mass-and-spring system.bs;k) 8(3gh,kp gvf bunrm*l produces what effect on the system's mechanical enep.mb ; un,3*kgb)s(h g8lk fvrrgy?

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 vibrmgdzp*(5qvc sp)y 6 i9zs:,faating mass-and-spring system produces what effect on the system'5m9fdz ,vs c6q*z)ppa:(gysi 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 vibrawc,skn 0 uy)e:ting mass-and-spring system produces what effect on the system's mechanical energys n:c)0wkye,u?

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. Whlswmqyu,sk-cn 2-r7 :ere is the periodyk, 7 rcq-ln2u:w-s ms 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 sq d0b;a2a*ou-and-spring system causes what kind of change in the resonant frequency of the systemab 0qs od*au;2? (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 ocz8ie lg-g2m2 f a mass-and-spring system causes what kind of change in the resonant frequency of the system? (Assume no changelcmgie2z- 28g 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 system cnzix8 +3yfa b-f fd6 5rh1y-gdauses what kind of change in the resonant frequency of the system? (Assume no other changes in6ri+g- nf a -yzbhx dd3ffy518 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 weightleslogujj 6 e6*ths:/lmhq *0qs:s string of length L. For this system, when undergoing small*ltj0qqhg:/* su6: m jeo6shl 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 pendu .ly-q en/m4dfsq r;-glum is tripled, the time required for one complete vilsyqg- ;.m/4feq- nrdbration

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 twic/v 4c is( tect-t5tlp/e as heatet-5/ttv scp lic4(/vy as pendulum B. What is the period of B?

参考答案:    

标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the length of a simphc dbo 5(.y-qb+eb zb9le pendulum is tripled, the time for one complete vibration incrc d+e(h.5by9bz bboq -eases 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 simpletp 3nso 3ivp7u-/ir+ z pendulum's frequency if both its length and mass are increaseu /p- i7+nis 3tvpozr3d?

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 forpolw4lhg+k6ek ig -fl86e ) ;vth at twice the frequency of simple pendulum B. Which statement is correct?)ilelp f-k; g 4gk6w8ohv+e6 l

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 pendmr4cs hhc17 fh:dx12 wulum to the Moon, where the acceleration of gravity is less than on Earth, th dm1c:wh2crxh7f4h1s e 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 rem96xiacs o9;onm jy dl,q,4 1(k6jp cdl9x b5epresents


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 represen il-byef u8,m4ts


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 reprel0, tzx1 +)rxudv1x dusents


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 vibratijc,*fyre 4, ghon, the amplitude 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 displacement of points of the wave from equilibriu 2w,hi0k 7 h:b*pg(g+fdi5-meda muncm is called the wavem,2b0wp c idme*-idn: hf7kg ga(+5hu'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 a wave is called the wave'(dl-q7l2c ;yf ((fph w5ch mpms

参考答案:    

标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of crests of a wave passing a point per unit time is called the wave,lia(k, co/u a's/klaa o,u( i,c

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 w)i7 +cohis3h 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 distance 2;*zbih2xx cpxjh5 4kbetween successive crests if the spxjz4c pxxh22kh b*; 5ieed 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 w)a6zlf22v jcl and frequency f. A second wave on the same string has wavelength 2l and travels with thfc ja2)26zw vle 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 length0pa7sae.f)++faom ttiw-d6 t5j.tf o L, mass M, and tension T. A standing wave is set up. Which of thea0 5+7a it.6- m.odpafew)+tttoff js 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 lengt qqi1 f(;k*mdkh L is under tension T. The speed of a wave in the string is v. Wh(mikd fqq*;k1at will be the speed of a wave in the string if the mass of the string is increased to 2m, with no change in length?

参考答案:    

标记此题
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string of mass m and lenq26 xor7 u )m p0(wswm4dw9w:o.lfgzn gth 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 if4m dlzw9s wo:0( nuwg2mf ).rpo6xw7q 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 nx uytab*ve jw-7r*kjf. qq8g 40n x41length 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 tensqut-w4gq*r4e08 a kxbj*7njnvyf. 1xion 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. :6 zw:u9m9 tt-ttt hqr As an S wave travels through the Earth,uh9t9 :r-ttw z:t6mqt the 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 travels tbrj4jd5 (x1i ohrough the Eartjijdr1o4 bx5(h, 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 w;k.tw6i9ifkqd3 5r9ndee md8 ave 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 k;; nfe0tfp7q: oo m3sthe right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What is the orientation of the reflected 7 e0o:;otk ;pqfs3n mfand 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 amplajed2fk ;bd .*- mwp4uitudes pass each other on a string, one is traveling toward the right and the other toward the left. At the point that they occupy the akd m42pf-edu*j ;. wbsame region of space at the same time

参考答案:    

标记此题
45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two wave pulses pass each other on a string. The one traveling tow ikq+o j:6kh+glepg0a4 sn b)-ard the right has a positive amplitude, while the one traveling toward the left has an equal amplitude in the negative d+-kn i6:lkag+oh0jegps b4 q) irection. 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 v,vzuqe q6u 0ni v,.7jends, 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 thatpa ,5pp x/jizrd4:, ls8mmi)i string will increasei/xzpp54 p8,:s ia, rm)lmdji 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 mas)s10woz 4b p rr2vry3us of 0.600 kg is suspe3srzybp 2 0)vru4wro1 nded 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 horizonts,,hzzbo 9twy3 a5hu -al, 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 oscillat3wyba tz5h z-,h9u, osing. 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 0ayi;aw(p.mh ;v v;kx 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 oscillating. avhy;v ;kp;a.iwm( x0 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 constu3p1nloa/sk)-rb 3r uant 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 oscillating. What is the frequency op3l1)oru/-n kab u3 rsf 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 hnyw 4cr*kq8q-4guoh*q t (g 6oscillations in 5.0 s. Whyg*-n(8 4k6 q h*qhqguwrct4 oat 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 idearc swf*).r /7h ,c;i9rpjjjyhl spring of spring constant 20 N/m with an amplitude of 0.30 m. What ij9)r wrr /7c*;j ,pc hfhyis.js 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 spring constant 20 N/m along ac7 ,4g7ewtzma horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s c74zeat g,m7wat 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 this times;w+h48fm dnu. The mass is cut in half, and the system is again set inhsw mfd;+ un48 motion with amplitude 4.0 cm. What is the energy of the system now?

参考答案:    

标记此题
56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.50-kg mass is attached to a spring of spring ;t zhslvs;,t .constant 20 N/m along a horizontal, frictionleh;z.lt;sv,t sss 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 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 attacoao1zu; p17da tq 4/ndhed 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 equ41op7o1za; nqda/tu dilibrium 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 7.: ukoe sai8 no:,o txdc-w(wspring constant 50 N/m and set into simple harmonic motion with an amplitude of 0(edaw ci.o7, suxo8::n t -wok.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 sp +uo;1ecm d*2 hc)(aqgrcg-jdring of spring constant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanic-u(cce*ao ddj)mh r ;2gq+1gc al 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 ideal4vcne( hd7grjp(a 41 8c c1oif spring of spring constant 20.0 N/m with an amplitude of 0.250 m. What 4jfa(pio4 1( rgve hn18ccdc7 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 syeuy).eyd(a3 a.bugr:t/n rg 2stem 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 displaceuaet/ .brda. r:g)u 3yn(ey2gd 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 0ljf ydo z*(vlt*,c;h spring of spring constant 10 N/m. The object is displaced by ,do *v;jctllzf 0h(y*
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 constt; (,-gdk-etpr s8m1r bge-i 0kyru-bant 10 N/m. The object is displa-b(e kp-m eky id-81-rrsrg0t;t g ,ubced 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 iwnoe;6 nzl q:c 5/z/q*govg3from a spring of spring constant 18 N/m, displaced slightly from its equilibrium position, and released. What is the fen ; 6c3qvolw/nz5zo:gq g*i/requency 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. w ga-)(ivpbg(x;s fl( It oscillates at a frequency of 1.27 Hz when displaced a distance of 2.0 cm from equilibrium and released. What is the maximum velocity attained by -)i;wgv((f p bls axg(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 with a22-do6jxr 8 m3,saj1ozqzvsu mplitude of 8.0 cm at a frezus sodvjmq 8 3ja6x2z1,r -o2quency 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 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 tsa(,8x6 th3emv rng n+he 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 oscilrnm8+t , esxa 3gv6h(nlation.

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 suspenjuolhveo o(-ogl2,/ f- q h-le-p/n,wded on a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released from rest. Calculate th n/-jv -qhuheof,o2- -(l/ ,lewlogope 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 mass stretcyexu+5 d/z0tz sg7 fq)hes the spri)dze y7+g0ut xsq/z5f ng 2.0 cm downward. The mass 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 motion obeys0oi*kto/m ,zx ,mslb mgs3/4 d the following position versus time equationlxt,,gi0 boo/4sksm mm3z d*/:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 k cji 1(kqx4i6x2 v)bf ua(u/ s4vtqn0following position versus time equaq()/vx kv6sux24(btiq1f ju0ca4 n iktion:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 obx7-c(q,wn:map hf+d c eys the following position versus time equatida-c:h(cw ,xn qfm7+ pon:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 th).p oiu8,m,x .d fugxxzk93shpmc4-xe free end of a spring executes simple harmonic motion according to the equation 3z-.xoxp ,g mpmuf) cs.9,k48ixdxhu $y = 0.50 \; \sin (18\pi \times t)$ 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 force constant of 20.0 N/m oscillhrw ld 47p9; pjd)e2gcates on a horizontal, frictionleeld)pw9;hcg24p r7dj ss track. At t= 0, the mass is released from rest at x= 10.0 cm. (That is, the spring is stretched by 10.00 cm.)
(a) Determine the frequency of the oscillations.
(b) Determine the maximum speed of the mass. Where does the maximum speed occur?
(c) Determine the maximum acceleration of the mass. Where does the maximum acceleration occur?
(d) Determine the total energy of the oscillating system.
(e) Express the displacement as a function of time.
参考答案:    

标记此题
75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A pendulum makes 12 complete swings zvbhib3set 1ov74yq2* r8j5fd3w ,jain 8.0 s. (a) What are its frequency and period on Earth?ovq3f57i3bar 8*dt eh 2yjj w14vbs,z

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 isg4zgbqerm3)rp5 5u7 kh3g/ng 28.84 m long. 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 of 2.0 s on Earth. What is 29y0 3iium t2s9 +o*pmi5ld gmq,,qmpbshk;qits 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 1a8/6zf k*dchn.0 m long. What is its period on the Ea*chad6z n/8k frth?

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 loqikkl;4kg,uabzb4;bx1a.wv 7 *rbm 6ng. What is its period on the Moon wh,;*bq xl4 7uzakb.bkbwrmk a61;vg4i ere the 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-bdy er2y qgr j83ga;86kg spherical 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 (samejr;e yqr ggyb836da82 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 initiee2 rz,9w jlp8al angular displacement of 8.0e. It oscillates w ,je8w2lpre z9ith 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 xo vlta f(95 8r/ni9rzwave isrf(oxli vnr 5a/zt 989 120 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 guws na0q:zmj g15o38civen time. The frequency of the wave is 120 Hz. What isu1:w0am3 q n5cz8osgj the wavelength?


本题所包含的其它图片:

参考答案:    

标记此题
84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Figure 11-2 is a "snapshot" of a wave at a given timr -msz-qu)r8 a +9fdcne. The frequency of the wave is 120 Hz. What is the wa)+zanum r cfqs-9r 8d-ve 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.j4.s zop2z ec/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 d szkkr48 n82o+hw hh 71qdz/p4u/yri 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 o7gy 3l 5mj 0jvf53aea4v xykv2l6(qxa frequency of 12 Hz and a wavelength of 3.0 o y 34mkj365 qegv5la0a j(xv7vl2xfym?

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 op1 0wc- xv2zpef a wave that has a wavelength of 3.0 m and a frequency of 1-z12ex w0cp vp2 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 tr4( ogb1m t cim hmb9qik dsil5g,5786gwxcx4 2aveling 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 tension of 8shp s/j6g3k z1350 N. What is the wave speed?h zs8p 6/sjk3g

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 oq 68ts wcahu9)qgq,j/ f 180 N. What is the velocq9ua/qj qs8,h) 6 gcwtity 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 is traveli(ofvnn84cvm30 gb9 bxng down a 500 m long wire whose total maxgvv(n m8n39c b bof04ss 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 propagato sfz(so9 y bdwj66:(tion of a transverse wave on a 2.0-m long string fixed at both ends is 2fj o9:6 tw6(yds(ob sz00 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 frequency ze/s9)*p hd tpof 500 Hz, which one of the following frequencies can set the string in /zpe)hspdt*9to 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 havgu/dp1:v3rn/ 9eo8 n2jbnv;w)ena vz,vc 4 ode four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with fiv:j/vu4on d8c nnp;vobae1wz2 d,egvvn3)9/r e equal segments?

参考答案:    

标记此题
96#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string, fixed at both ends, vibrates at a frequency of 12 Hzp,a:kf5 ,uljq3ubi7ps b8g; x with a standing transverse wave pattern containing 3 loops. What frequency is needed if the standing wajqks iu:7g8b , f;53pual,pb xve 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. W3hbv.t c8fqc w,h;xl 0hat should its length bw .xh8tvqbf0,lhc3;c e if its fundamental 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:p xp31 g)vqw2f5dgdo harmonics of a string of linear mass density 2.00 g/m and length 0.600 m w :)5dfpopwgq2 v31xd ghen 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. c/tj+q+d-fjg (t/zyb 5 m is fixed at both ends. When the string vibrates at a frequency t+ +/j(jz/tcdg-bqfy of 85 Hz, a standing wave with five loops is formed.
(a) Determine the distance between two adjacent nodes.
(b) Determine the wavelength of the waves that travel on the string.
(c) Determine the velocity of waves.
(d) Determine the fundamental frequency of this string.
参考答案:    

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

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

    GMT+8, 2024-12-5 03:18 , Processed in 0.532881 second(s), 219 queries , Redis On.