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: 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 oy85hf0 kziwxn)j ;;ysf a periodic process is called the

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a periodic process, the number of cycles per ufvx:3e bagu c-4d0ki:cv; q;e nit 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 point i/2ugdjk3 7 cmjs called thdmj gc2uk3/ 7je

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 jsxn8c + vro1;b() iqtq;oi 8ySHM. When the mass is at its maximum displacement from equilibriv ;;y+ r8qi )tc niqjx(bsoo81um, its instantaneous velocity

参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass on a spring undergoes SHM. When )s6 5g*0b fhrscq4cnu the mass passes through the equilibrium position, its instantaneourgcsqc h)*nsf0 b5u6 4s 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 at maxo l2fr+1rgrhz a,4z) jimum displacement from equilibrium, its instantan l gr2j+f41)orrz, ahzeous 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 spri-gu;n 1ksu6et6se al1ng and bobs up and down between points A and B. Wherl;1seau u6ten6g -s 1ke is 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 betvef*6:p p h,bngw ;:hb :s7g aeou5zv4ween points A and B. Where is the mass located when its kinetic energy is vv4ba:g6zon :hp*,p g7 sh ebuw5f:e ;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 g5k b15ndg 6f 63nx3yu2 zzw89iogocd between points A and B. Where is the mass located when itg1k oi9 d6gg5 x23n3owczfn8d zy5u6bs 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 veoi)2+x.pa aw krtical spring and bobs up and down between points A and B. Waiow+ )xk2.pa here is the mass located when its potential energy is a maximum?

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling only the amplitude of a vibrating mass-and-spring system0 34edjccmh,a.*t r 3hhdx 7hf produces what effect on the system's mechanica04ec fh h.*t37dxr hm,dj3c hal 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 vu2ki5pr+/j zua1f ( hfibrating mass-and-spring system produces what effect on the system's mechanicafk +z/u2fr1 u( jhi5pal 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 sprgrl7g h8k x2p7ing constant of a vibrating mass-and-spring system produces what efh x7gp2 k8rlg7fect 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 thefx l- 1w pp3bid*/1gej Moon. Where is the period thlp1 pejwf 3d/*bix1-g e 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 whaciso p 3,v l;ramp7w9r,y+wt 8t kind of change in the resonant frequency of the system? (Asiy8+;tmwwp,9r s r, p3valc 7osume no change in the system's mass m.)

参考答案:    

标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Increasing the mass M of a mass-and-spring system causes what kind g31cnounh9lc..hm*w-w dh; wof change in the resonant frequennwc mn3w.;h*wuc1go h-dl. h9cy of the system? (Assume 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 s+ ok/0aajvb/ t 1l(gwwystem causes what kind of change in the resonant j wv /ba1k/l+0o at(gwfrequency 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 to a weightlee xbnhrvysx-5+hx qjd1. 9.5iss string of length L. For this system, when undergoing small oscillati.v5+h.x 5x n eb9-hs iqryjx1dons

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 beojr6 1/etriie4x; w2k :y -sye -.xnrequired for one complete vibratiy- jb i:2 4etsyrnek1-/ex6w ;.oerxion

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 lon 7 7kqqr5clg6ng. The period of A is T. Pendulum A is twice as heavy as pendulum B. c5qn kr77l6gq 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 simple pendulum is tripled, the time fornj04mwd lh86. nu muvhcc+-e+ one complete vibration increm0 wcm +l.nuj4h8ud+cv 6-n ehases 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 simoi5jv1 a7dqu7ple pendulum's frequency if both its length and mass are ina71 j qv7dio5ucreased?

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 pendf c ywpv/79pkm)d7tvln .c5, vulum B.p)vyc.9l,fkw vc vnm/ 77dtp5 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 pendulum to the Moon, wher( 9z1s4:juroklow/ bce the acceleration of gravity is less than on Earth, o:4ur wljc kso/9zb1( 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 represen4 qnucsc::g/t ts


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 a+;d2fcewy 2a xmsn 1)represents


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 rep f;cagchz f*q5. kk86dresents


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 ayl*-y.fve n) or(z 3zdmplitude 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 dispw y2tlp)woj;,2 cp2*w2yjs mulacement of points of the wave from equilibrium is called sjy y ,u2l*op2wmc;j)w tw2p 2the wave's

参考答案:    

标记此题
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The distance between successive crests on a wave is called the wave'srd6*wj/y a2 zi

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'svngw o42pks7 2 pd)t1skwnp1 )p svo7g4std22

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 the wave'ju5xrf ):4numr +j.nxs

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 th4qzp4ygsrt pf59 2.uoe distance between successive cresq5ypo4frt sg.2z 49upts 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 frequencya54ks p8crkkchv vs6enjh; 6,2y) wm6 f. A second wave on the same string has wavelength 2l and travels with the same velocity. What is the frequency of the second wave? 6462c,ck;n)v5 yas6pmshr8k wh v kje

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 tension5rd-t-b nke g*1xgewi2 l4qc , T. A standing wave1-*x e 2, gcq erk4blwi-ng5td is set up. Which of the 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 under tension T. The spe.9m9.oich b esed of a wave in the string is v. What will be the speed of a wave in the string if the mass of somc9 ..hi 9bethe 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. The speed of a wave ietu4yoy8;pk/2lw1f: gq je5 xn the string is v. What will be the speed of a wavepf8yke/ ue wx5lq:;y4ogj 1t 2 in 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 Ltrfz d0fx2x*n l9.7 7y bc6vwt is under tension T. The speed of a wave in the string is v. What will be the speed ofxzvlxcw yf.*7bd0 62 9nrf7t t 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 ken 5dzpj0n;h-ewfaog-6; i4 a transverse wave. As an S wave travels through the Earth, the rel- 04zp-5 ; gejdn;fi6eo wahnkative 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 trav1s )z:a(c/yfxud8laz els through the Earth, the relative motion between the P w z)lz1sxu : fca(y/8adave 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 waj4cz1 jck, *nlo fw+0 nqve4v7ve is

参考答案:    

标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A wave pulse traveling to the right along a thin cord reaches a discontietpiyobxa(52y/r9gl) q 4x0* h ito/ vnuity where the rope becomes thicker and heavier. What is the orientation of the g 5a o ol29 /evyrxb4h)xpty0tqi*i(/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 sl2cr..uk pc7s d2 6tx.ex1pq ytring, one is traveling toward the right and the other toward the left. At the point that they occupy the same region ox.p6 u yd 1r.clx7tpecq .2s2kf 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+5fk ;xr8sf je traveling toward the right has a positive amplitude, while the one traveling toward the left has an equal amplitude in the negative direction. At the point thatrj8ks 5f f;ex+ 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 tbapb 815w9y kfixed 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 fundame.d*sagzjd ) g0ntal frequency of that string will increase by a factor jda0sd* z).ggof

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 odmsvg/f:(tfsabf 24g:ga2 v -f 0.600 kg is suspenf24s/gma -fgbgv: (v:2 sadftded 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 hb hg7-ka ki1ck14bf1- s,sgtforizontal, 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 11t- f,g c -fk1bigss7 4kbhkago back to its equilibrium position when it is oscillating. What is the amplitude?

参考答案:    

标记此题
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a spring of spring constant 60 N/m along a.4t)xd 1srhkk 9atp s-*j* xvtw8 d,ma horizontal, frictionless su wr-hx4 ddst*t.k,tx1amp 8 av9*j )ksrface. 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 constany4yyhkpgphbsl ses6 k1s i-/ ;:p9v/(t 60 N/m along a horizontal, frictionless surface. The yhhp/(ypk4gvkl:b/-19 s i ps;6essyspring 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 co80phiu ,1v6qpglku4sge5 ( 7 epv8ndymplete oscillations in 5.0 skdg ,h 5ep6q0ulgu v41n7yvsp8 iep8(. 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 freems5q ms:lzo 5,9gam a. end of an ideal spring of spring constant 20 N/m with an amplitude of 0.30 m. What is the kinetic5 ,z:ma .95mssaqolgm 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 conswy3 0fyd2o-m2 e8y pku0/ vlxhtant 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 equilibkxo0wf dym28l0-y23hv pyeu/ rium 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 energ/. wvlpjkidnmf 8(59f6rcs16a xea a4y is 8.0 J at this time. The mass is cut in half, k 6x/ a9df fj.lwmea6nic 1s a45p(8vrand the system is again set in motion with amplitude 4.0 cm. What is the energy of the system now?

参考答案:    

标记此题
56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.50-kg mass is attached to a spring of spring constant 20 9m1;kpt9giqnja z/9e N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is the amplitupm tk99zj1qnea9/gi ; de 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 sprinzws)(cfiu( s7byp 55t-pi z1fg 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/ )p t7f-fwzspu1bisic (5( 5zys 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 atta:91cju*oqsw --p9g b9 3 irn kde:faghched to the end of a horizontal spring of spring constant 50 N/m ajie ganp:r9ugq:*k-s wf 9 o1-3bd9 hcnd set into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanical energy of this system?

参考答案:    

标记此题
59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-kg mass is attached to the end of a horizjg2g/4y+izr d5tyim8 ontal spring of spring constant 50 N/m and set into simple harmonic motimgy r4 izig +/djy85t2on 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 theshfzd2;-vo2 gstv) oqp*+ bd5j,. nvr i v+f;e free end of an ideal spring of spring constant 20.0 N/m - ;peb,rszvdg jfo* qti .h5f)+o vvn+22svd;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 displaced 10 cm from its eqbgs-*pc k *:qjmp :wjv)4qq, iuilibrium position and released. A frequency of 4.0 Hz is observed. What freqm*: q*vpjbisqg-,kcqp) w:j4 uency 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 niktj +t2x ;3oa spring of spring constant 10 N/m. The object is 2+x t3oi;nkj tdisplaced 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 constant 10 N/m. xl bt /mj; f+imqoac 6*lv.w)* The object is) m+.o bvqt/;iwml*j axcl6*f displaced 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 constant 18 N/jc1(gmsc;2nb2 xpub* m, displaced slightly from its e;b21s pjcm*ug2cb(xn quilibrium 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 oscillates at a frgz: icyyk. 5zkofo3rk *1 hg5*equency of 1.27 Hz when displaced a distance of 2.0 cm from equilibrium and released. What iy ggkzo13h*:k yk*i c5o.5fr zs 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 with cpczwpz, erx7 4t ),;hamplitude of 8.0 cm at a frequency of 10 Hz and mass B vibrates with amplitude of 5.0e);hw ,txz4pcr ,7zcp 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 equi;9ku owe :/ryl xpx80klibrium 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 per r:ypu 0xew9o8k; xkl/iod 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 (l +5 j4hag*-y j.vvo6wsgez gpxs /g*ejx+w- a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is t+syg xw*- *+6gpj-swge5xelj.av jv4 ( /zohghen pulled an additional distance of 1.0 cm down and released from rest. Calculate the total energy of the system.

参考答案:    

标记此题
69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.30-kg mass is suspended on a spring. In equilibrium the mass stret8)rvs,cig .sg ches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and re.g cs)rg,v 8sileased 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 followintez855 jbnv (hg position versus time equat5ej8 5bt( zvhnion:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 harm;6 d+fegfm1xh (he4c konic motion obeys the following position versus time equefhm4d6 e+;fkchxg1( 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 harmonic motion obeys the following c3 mir4uddbi5b 4qj qod2q.23position versus time equation: qoj.454rdm2b b2iidu3d3q cq
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 harmonic mmn8;kb8) ttr dxv3f;g otion according to the e nx 8v);tt3bg;mdfrk8 quation $y = 0.50 \; \sin (18\pi \times t)$ 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 foz+d5uq,wvx 01 hrmhj9 rce constant of 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, thez0 +h, vx1mrdjq9hu w5 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 in 8.0 s. (a) What bpp736tw :,h st s2vznare its frequency and period on Earth pwbt 3,6htss7nz2:vp ?

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 oxwlh/l d5x1wm5m -l.xn Earth?

参考答案:    

标记此题
77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A pendulum has a period of 2.0 s on Earth. What is its lengthwj1 orb4do3ub pg:53 y?

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 cl/dj1ldz7o c.b7d/l r3tsg: j nock is 1.0 m long. What is its period on the Earth?tol.scdrj 7:jdnz/ /gl b7 d31

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 its period oi1v4r mh fgja+-b:o4in the Moon where the acc m ior+hb:jvgfa14- 4ieleration 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 a,ny kqgln0e)w1ra 8r r(bad66ttached to a massless string. When the mass is displaced slightly from its equilibrium position and reeqyk, )dgl 06b(wa a6n1r8n rrleased, 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 20-g mass has in8w k inym)pg6:itial angular displacement of 8.0e. 6i: w)ym g8knp It oscillates with a period of 3.00 s.
(a) Determine the length of the pendulum.
(b) Does the period of the pendulum depend on the initial angular displacement?
(c) Does the period of the pendulum depend on the mass of the pendulum?
(d) Does the period of the pendulum depend on the length of the pendulum?
(e) Does the period of the pendulum depend on the acceleration due to gravity?
参考答案:    

标记此题
82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Figure 11-2 is a "snapshot" of a wave at a given time. v+mlogpvytt a(6 jd4nd) -*1x The frequency of the wave is 120 Hz. What is the amplog*(vv n 1p+ dt6j mdyl4-tax)itude?


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 "snapsl :t e 0qza 8re;5hsr;vl+qb+chot" of a wave at a given time. The frequency of the wave is 120 Hz. What is the w0+ e+zl8a5;: brvqer t; qchlsavelength?


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 ti iq/*np wiviw uhx9-/1 k wpr*-0w4oxa5ryb)gme. The frequency of the wave is 120 Hz. What is the wav -y v*pu1k 9-a no0rh)wwrqx4xiwgp/ b5*/wi ie 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;mh.: i bo(c0vh ,szpk 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 frequecy-6 :oasqwz.52ip kfqb rn8-ncy 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 mmf t a1 7esclv)6gy /jew36a1if a wave has a frequency of 12 Hz and a wavelength of 3.0 m?a 7c)61je6 sw1f ytmg3avme/l

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 ae3+fp h -xf+.ac5gfv of a wave that has a wavelength of 3.0 m and a frequency ofa p xf hv.g3af+e-+5cf 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 a 2.5 m mnf/ i3+8cw z6:z,d ntwkpc0l 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 densit0e*lwvqr ;mom7idn)*bu(hm ; y 0.0050 kg/m is under a tension of 1350 N. What is the ww;ml7*uoh0; *qdnvribmme( )ave 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/ )xfe6c1x sd(s .:ohasm is under a tension of 180 N. What is the velocity of propagation of trans1sa)x e(6sh sfox:c. dverse waves along the string?

参考答案:    

标记此题
92#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A wave whose wavelength is 0.500 m is traveling down a 500 m long wire x9 h/j1xq1m6p hybqj,1 ;mucdwhose total mas;mm,9buqx hj/ 1xyd j6c h1pq1s 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 wa/ jnhg2*2oz jave on a 2.0-m long string fixed at both ends is 200 m/s. Which one of the following is nota hjo/zg2n*j2 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, wh7-qhp e om,vyt;9.lw1 p88tbwd r zpg0ich one of the following frequencies cp ; ,y 1hmz8 9 wrtlo-pbq78.edwtpg0van 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 foob+evo1x4 z o8r+g6ji zs 8gg1ur equal segments in a standing wave driven at a xz6gv8 goiz oo1b e+4+gr18jsfrequency of 480 Hz. What driving frequency will set up a standing wave with five equal segments?

参考答案:    

标记此题
96#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string, fixed at both ends, vibrates at aozj m08-*l i;cr-aydt frequency of 12 Hz with a standing transverse wave pattern d rl8ci0-*om;ajt y -zcontaining 3 loops. What frequency is needed if the standing wave pattern is to contain 4 loops?

参考答案:    

标记此题
97#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A string of linear density 1.5 g/m is under a tension of 25ffl*f4kj u hm m8(p/+ fgeg;r0 N. What should its length be if its fundamental ffg8lhe/r* gfm+p;k5 (ujf4m 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 mann9z m( (*d0 xd5acmvfss density 2.00 g/m and length 0.60cx da9f(n( 0 vz5m*dnm0 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. Whe6gpz n7 +h5th3db33l gom27inpq: jhwn the string vibrates at a frequen gi2nqw3zo 6 :573hjp7mglhd+ nbp ht3cy 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
本平台(https://tiku.one/)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|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-12-3 15:47 , Processed in 0.467227 second(s), 220 queries , Redis On.