51fly国际课程 (51fly.win)

 找回密码
 立即注册

手机扫一扫,访问本页面

 

      

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: physics 发布日期: 2022-08-06 21:32   总分: 99分  得分: _____________

答题人: 游客未登录  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 isj07teo ( 2vl5fc )eelh 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 pec8e8/j lujvj 3oaf-90qw cvzh4p52rbr 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 motim(rp;g u03ei;g4:4,wl cf xbf p3sn igr rki7+on, the maximum displacement from the equilibrium point is called the4l m ku0:7iwxpige ; g33brfps;(c,i4rgf r+n

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 displace2m7i 7;7nwcxjg;pvy sment from equilibrium, its yp7i ;j;77v2nwx cgsm 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 throuf/7 ;j/kyqfawb r4,eh x:wa/ogh the equilibrium position, its instantaneous velocikjfq7barwfx4/ho//,: ea;wyty

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 fromp. 2rpqmr6o*u* 2el hz equilibrium, * hpeomlupq.22rrz * 6its 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 a( 8f-m e09v coxspgi1d bep;*znd bobs up and down between points A and B. Where is the mass located when its kinetvp1 p*9 gis;0z-m cxf(ed 8eboic 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 verticalxwgvzm 5d: 9udpy (j/6 spring and bobs up and down between points A and B. Where is the mass lo v5p yjz(9 :xd/udm6wgcated when its kinetic energy is a maximum?

参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a vertical spring and bobs up and down between points A00u 8hd pwqv+h and B. Where is the mass located when its potential 8w0dvpqh 0u+h 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 +/ ndnbbsb0+l 5j7zqrn points A and B. Where is the mass located when its potential energy is a maxznrl0 sd/ 7nb5bb+ +qjimum?

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 szgz m60x/hpf8klx-9zz*sz 3q:v .e pc ystem produces what effect on the systf0 *z-x.gkzvxsp/6cz9: ezmpz3 h q8lem'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 vibrating mass-and-spring system produces wclrqr3b e qhjf:z, n1i85r03that effect on the system's mechanicai tfrqehr5j,n b13q 0 rl:3c8zl 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 conj(,1newlns +z stant of a vibrating mass-and-spring system produces what ef se ,+nj1w(lznfect 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. Wherkhvcb7)ra 6iux a8 p.-e is the pebrhcau vp.8)67 aki- xriod 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-and-spring system causes what k/0v-heis9uk)g:cr*ixgxog97 o+ l zpind of change in the resonant frequency of tik-:u zrgvxl+) /*9g70ghxeo9spco i he 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-springf7yv4t3b2h g 7fv.q pr system causes what kind of change in the resonant frequency of the system? (Assume no change in the systvt77.4by hgvf2q 3 frpem'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 causes what kib1 qz qpa4f oo3ejq92/nd of change in the resonant frequency ofpab 9o3qj 2/e1zoq 4fq 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 to a weightless 4z+kg9f e4 huax9s6le string of length L. 6e fehs u4l x9gk9za+4For this system, 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, the time requist7 o hb*a)vi0red for one complet 0sv* t)iaoh7be vibration

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 w5bs x(9e t2ouperiod of A is T. Pendulum A is twice as heavy as pendulum B. What is the period of 2wx( 59soetubB?

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,e:46 zs6nwl(h va; gax the time for one complete vibratz ghx:sne64 ;a l(av6wion 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 qsimrfm.ay0r4jz . )q0k h0. hfrequency if both its length and mass are increased?qhrj) sq . k0r0f4hzim.ay.0m

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((7zl/ /ener,,lrc,r okql ai pendulumlcr , /o n,l/,r(a7z qiele(rk B. Which statement is correct?

参考答案:    

标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you take a given p+0q1 ajs+zk u*ygya g,endulum to the Moon, where the acceleration of gravity is less than on Earth, the resonant frequency of the penduyu, a1js0zg +q+kyga* lum 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 r4zoutq6dis./z hy+w0q-hd9k epresents


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 reprnjj5p-r 03v xiesents


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 repn .7in)5a sagnwpg9p;resents


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 l9:da 7vks udz6 ,ot3mvibration 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 equilibrium is c6:bi1)v spwioe4he5l 9ora, f e-bk9qalled the wavea5-k1 pe ovf9:)h bi96l s4ibqer,weo'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 cresj( iv9m3tn wk6pj 2k.fts 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 wavz-2 dt 7saq9mje passing a point per unit time is called the wave's2dmjtzsaq 9 -7

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 t t9w196 th. *wzz pkcjkbg1;lahe wavelength 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 hapz; 8z,;xr3dql)jd avopens to the distance between successi3 dzjxaqz;v o,)r;8l dve crests if the speed remains constant?

参考答案:    

标记此题
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A wave moves on a string with wavelength l and frequency f. A secon1 l12y+8jzajc6 c fntsd wave on the same string has wavelength 2l and travels with the same velocity. What is the frequency of the secon2cs y t186j1+lazcjfnd 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 wavbhy( *o*j+bj se on a string of length L, mass M, and tension T. A standing wave is set up. Which of the following is true?+y*h( *jbjo sb

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 underi z (ek r0+v2s6rvpr+i tension T. The speed of a wave in the string is p (k++ v6zi rv2sr0eirv. What 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 l1u gkh8st/(bo ength 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 gs 8(t1/h oubkthe 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 undw9w(w d)st/ -jmiqwd: er tension T. The speed of a wave in the string is v. What will be the sp/d qww-mjwws)(:t id9 eed of a wave in the string if the tension is increased to 2T?

参考答案:    

标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In seismology, the S wave is v t6 2a.nn7atuvt9ty8a transverse wave. As an S wave travels through the Earth, the relative motiotv6at289 n7 nt uvty.an 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 a3 uw;d0jcmm+qe:*8wkt9 g oht P wave travels through the Earth, the relative motion between the P wave an *hum3tok+wm tc ;9:ed wq0j8gd 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 walvqk1u0m ..x7al p:kwve 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 travelin:2t9x ow xnebmian 7:.g to the right along a thin cord reaches a discontinuity where x7n oe. a:bi9tx2:mnwthe rope becomes thicker and heavier. 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 on a str+ o( os rb5(ogyf2(xlqing, one is traveling toward the right and the other toward the left. At the point that they occupy the sa2o5oo( r lb(gsqx+yf (me 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 passrwzqe3 f*o -s/f.cpwp61k(e i each other on a string. The one traveling toward the right has a positive amplitude, while the one traveling toward t(.z qf fpeo erwpck6-/wi1s* 3he 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, such as a stringqer z 0fg g- zoa)f/65n6nzou1 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, thy6d)5c/wkg8 z0cxaxe e fundamental frequency of that y0)g6ze c/cdwak85x x string will increase by a factor of

参考答案:    

标记此题
48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the spring constant of a spring that stretches 2.00 cm when a mass ofo: 9tl l4t/o5.azdrv i 0.600 kg is suspendt.oli 5 l4z:r9 dvoa/ted 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 constantk+xoqv y*i9 h3 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 pos*h+xi3k yo9q vition 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 spri7;ge.pa lf8h j45k.vx (h7eu+o hk trmng of spring constant 60 N/m along a horizontal, frictionles he(.;7xr ga8.ok 4up7 vj+htfm5h kels 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 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 const0 5 ny;1lvle/wymay0 rant 60 N/m along a horizontal, frictionless surface. y nml/laew v0yr y5;01The 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 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 oscillationsua: 9(xcrz z+h in 5.(+cx: 9zhrua z0 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+w uxvh26azn5+r8c ve gc o2q(th from the free end of an ideal spring of spring constant 20 N/m with an amplitude of 0.30 m2aco 2 qv5xn(r++g vw8hce6zu. 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 spri og(0dk)o;g vhng constant 20 N/m along a horizontal, frictionless surfo0vhg);( dokg ace. The 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 ikimb19(xq*imzzb j *:+ lo)c amplitude of 4 cm. The energy is 8.0 J at this time. The mass is cut in half, and the system xm q+9 ikbz*lbi)(zi m:c1 jo*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 attached to a spring of spring constant 20 N/mj/c lzrd*)r* f along a horizontal, frictionless surface. The obr/cj ld *fz*r)ject 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 attached to a spring of spring constant 29dww u(o;dgh 78 *fpc3 4ohjor0 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 thefru 7wgd oco o h38;dp(4wh9j* 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 constaq 3ab/9id kvxfu +gk,5nt 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is th b3ix5 kkf/+9v,qagude 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 horiz(( wk 59ayms*a/ /mn xflek5lxontal spring of spring constant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total me/(awe5knym l/l*9k f m5sx(axchanical 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 g hqj88(3gsro y g:4nm-jb:qafrom the free end of an ideal spring of spring constant 20.0 N/m with an amplitude of 0.250 m. What is the maximum kinetic h s4qb jn8:j ( 3g8oaymg:-qgrenergy 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 displaced 10 cm from its)8m+pq. kx cd dw(+she equilibrium position and released. A frequency of 4.0 Hz is +8qe+wd(s. hcpxdmk) 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 sp hjn ge91782)e8(rstq/ii.nxz r ,hk.xpwuhe ring constant 10 N/m. The object is displauzj8gxeh(q wh.et.)r enh8 sip7,r 291ki n/xced 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 constqp1 1i6f2cu wynrt2,q u go4lkx,n/ 6tbbb(0want 10 N/m. The object is dispto ytwx,4( 1rqc1ng nuu0p/bw 62,b6f2lb qiklaced 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 spr-uz* 1va31by svefnh6 ing of spring constant 18 N/m, displaced slightly from vfae 6- *1nbs uvz3y1hits equilibrium position, and released. What is the frequency of its vibration?

参考答案:    

标记此题
65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a spring. It osciluumkfe*-yl 12 v )zob)lates at a frequency of 1.27 Hz when displaced a dista 1ku mobyvz2*fue- ))lnce 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 spritpo7m66g j 3bjdfr,*wngs. 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 frequency of 16 H67 * f63dj gjw,obtmrpz. 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 equilibrium6d-g ny,tl u l)qvcq5s,,w+ve the mass stretches the spring 2.0 cm downward. The mass is then pulled an a)lqn,d,q uywt s6-lv5,+c vegdditional 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 suspendesg.nmle 1qf3* d 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 rqlem.1*nf s 3geleased 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 s;u /od rbi5tocb) a62ppring. In equilibrium the mass stretches the sprco bt6bpa)i5 d;2o u/ring 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 obeys the followi6.q1wluva /n;b tjqb 7ng position versus time equ/j vb. qwn;ua7ltb1q6ation:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 the15birkmcwp.l )ee )(o following position versus time equati(.rwb lkpe moe))ic15on:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 timei5ibyc w z ca),npw93/ equ3cipc9b w,z5/a inw)yation:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 cf)f+ vo,7lf a;*lii/homnr. executes simple harmonic motion according to thr m,if);fl7cif*n.vl o+aho /e 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 force constant of 20.0 N/m oscillat7.y8oync e:yees on a horizontal, frictionless track. At t= 0, the mass is released fr cyn8.ey oey7:om 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. (a) What are its frequency and:/hf 6oe+n srv per :rse6+fv/onh iod 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 28.1un+;wx nrk z2x5gs8 b84 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. cj6u+g*:+ z -lu vbwsai;-.k ugqz5xw 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. t f4iu 74.rxfg733km (b:sm,a cb jbgy What is its period on the Eartmtgf 3im r,f77g .b:4 xscu( bbkay34jh?

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 itsw lor5p+i1jvhv;b8 * g period on the Moon where the acceleratioilwjh + 8pv 1rv5;*bgon 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 spheriovcnvbx- cx/btjf.-/+9p5udu +8x bc cal mass attached to a massless string. Whc tx8p9b uco j/5x+vbv-d/cunb-.+ fxen 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 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 vi0t /skqvy0q hyco+3 )7v rdp 4qw)3h20-g mass has initial angular displacement of 8.0e. It oscillr3iq7 shk)vyc30/ t04hwoyvvq)d q p+ates 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 "snapshc8*s/03s pt4tby iglyot" of a wave at a given time. The frequency of the wave is 120 Hz. What is th8t4/t3 spli0g yybcs*e 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. Tph9 iz j-5heq*he frequency of the wave is 120 Hz. What is the wavelength 5iz*qh9ej- hp?


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 fre0q qniy mcgboru481r 8d(5yx+ quency of the wave is 120 Hz. What is the wave s+0 brcdux( y qm4niog5881 qyrpeed?


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 j bkn**34kmvm 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 cue 5.dodei)uc/ ha:oz5;3vi xpe )/c1500 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 andw g1/p 87fns:g2dxevc a wavelength of 3.:dgs2x/vp 1wfce87gn 0 m?

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 wavelen.wu p7u,uknuf6p t6dqp 4 c1*lgth of 3.0 m and a frequency of qk ,7 t 6cln.udup6p41pwu*uf 12 Hz?

参考答案:    

标记此题
89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the frequency of ai(u, s2vycvlvd av2856e h/aa 2.5 m 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 eli1* azf: gt,0.0050 kg/m is under a tension of 1350 N. Wl f*t,gz:eia1 hat 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 tension of 180 N. What is t2m0mtw ji 9jysh 6tx /.d-yqu7:es6d zhe velocime/ y.q d-zi2t0tx:m9h6wd7 s6 jjyusty 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 - ,slwlf c1ulc54,jkc traveling down a 500 m long wire whose total masjufclccsll- 1,k4 ,5w s is
25.0 kg. The wire is under a tension of 2000 N.
(a) Determine the velocity of the wave on the wire.
(b) Determine the frequency of this wave.
参考答案:    

标记此题
93#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The velocity of propagation of a transverse wave on a 2.0-m long string bqg y1e8af6e; fixed at both ends is 200 m/s. Whicgq6yb8 ;ee 1afh 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 of 500 Hz, which one o7 +zuu0x gz.bof the following frequencies can set the string into 0+7zugo.z xb uresonant 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 tcle+yztzy tk52 22j: no have four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with five equal2ez2tk z:j 5y+n clt2y 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 endsr r *g ap5cp:uhnbtqz39spip4r )-eal1a 0 x(*, vibrates at a frequency of 12 Hz with a standing transverse wave pattern containing 3 loops. What frequency is59r )pc4-rp3 (qshu*n *az ei:g0p xtlabapr1 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 of 20 N. What shovjh81j 33bl)de ev8c muld its length be if its fundamental resonance frequency is 220 H8e8jd) mv c 3l31hjevbz?

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 densitytlhuey7 xg/:,dnprvz +wi6kfs)+f - 2bkf 2z - 2.00 g/m and length 0.600zx v,l2:r-z +2fpgy fe/u + if7t6nbdwk- shk) 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 sf hs*ct-h, 10izq iy2ftring vibrates at a frequency of 85 Hz, a standing wa*t2fiq 1 z0 cf,hsh-iyve 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
本平台(https://autoconfig.51fly.win/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
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|手机版视频|手机版试卷|使用帮助|51fly国际课程 (https://51fly.win)

GMT+8, 2026-4-17 05:34 , Processed in 0.582810 second(s), 228 queries , Redis On.