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 y a8qoq5*6 gg.da2cd aof 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 unit time is called tuadyh bwz n/ 3(7i/g: w)waqu,he

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 displac/ nm+pvckj) /j. e 3p78m nkd zj48rrley0f:xyement from the equilibrium point is called f/jv0jm ).xyne3cl7kz4r8em njpr/ dk:y8+p 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 dzt9 rn9nus4n, -,eckdisplacement from equilibrium, itu9 snkn nrz,-,4dect9s 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 undergoe 4m dcbs;pety 5;:j+9iy(bl8hm;mg pss SHM. When the mass passes through the equilibrium poe8yc;jblm+pymibd9sh tmg ;4( 5p;: s sition, 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 is at maximum displacement 3dk7jh5nme*:my:w7 zwqm5gd from equilibrium, itszwh:m 7d *n ykmd53qem:wg5j7 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 1aweca(jdd+y1dt /p k. 8+hbf and down between points A and B. Where is the mass lbtf 1(yak awc/e+dd8h+jdp1.ocated 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 betweenb lhwg; 3pxx5;xi8mb3 points A and B. Where is the mass locat53 wimh8; gb3xlxb xp;ed 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 t70 rnwky*l , /y)hdswjo a vertical spring and bobs up and down between points A and nl0hr7dy w)j,/*w s kyB. Where is the 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 between pointsekfoti6/f3w t.y3d,) ylo iz 4 A and B. Where is the mass located when its potential energy is a maximum3t.wdt y)i fi/e63fl,4ozoy k?

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 prod3m a nhaf:+zz p4e(by2pf)yd . fxqwh83y-he-uces what effect on the sy+3d(: )4hyfey8fywh . q hbxa f2-- zpmep3znastem'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 what : ubee (eu8/l 1zabc0keffect on the system's mechanical energybaeue0z1lc8ub(e :/k ?

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 *bzs1 zgo8zo 7system produces what7gb zoz8z1 *so effect 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/3gh5fare1yaxz(dh ut0 pg 78 and on the Moon. Where u38f5e/ zt0r xpd7 a1(yh aghgis the period 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 springd jo0mwxs+0f)lq0b,qcr 6c+z constant k of a mass-and-spring system causes what kind of change in the resonant frequency of the system? (Assume no cha0w)f b+0c+ 6,s 0omrqjqc xzldnge 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 acs9iq( lefr/pwq891ed tjl,n wb;/7 causes what kind of change in the resonant frequency of the system? (Assume no change in the system's spring constant kqqtb8(9 7;driw fjsce elanwl/1/p, 9 .)

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 ampli hs:4j2 xlxki8tude of a mass-and-spring system causes what kind of change in the resonant frequency of the system? (Assume nh:jix klx84 2so 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 co+ay y w n(2fk18k5lia05 avvwlnsists of a mass M attached to a weightless string of length L. For this system, when undergoing5( y fy 0l2 lwwk5ikaa+v18nav 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 required for one .ap.cz.xc ;h1s4h dos3mz0j xcomplete .1 h sz;h jpc0xmo3s4dz.x.ca 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 perioy2x1.x n/1)wnmcx r hrd of A is T. Pendulum A is twice as heavy as pendu/y1nmrwxc.)h2xn r1 x lum 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 simple pendulum is tripled, the time for one complekt. niqsi-gs*3 3) hsxte vibration increas3ih x.gi3tnq s)ssk -*es by a factor of

参考答案:    

标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What happens to a simple pendulum's frequency if both its lengthu,p(ya0 qr,(n jcz3gp and mass are in3qzpugr(c,a,0 y( np jcreased?

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 simt3-sfbfon 8 .aple pendulum B.a nts-b f38of. 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, where the acceleration of gravity is p8g7mq6j ckz(h140n 3ghea6)tgycq u less than on Earth, the resonant frequency of teuh61m)6k04gzgp(qyn g7qacjt38c hhe 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 repree f;*n:*at+dv, lkx 0e8burnesents


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 represemg .o6fjd (yvfw+ra 5-nts


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 roj5a2nvh3 xl8 epresents


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 offc b,hdqhz/ 0/ *wm8x2spim9u 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 equil sqnmf+ky s819ibrium is ca91s8fym knsq+lled the 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 waa)2tu m1fbo2m h)b y.qve's

参考答案:    

标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of crests of a wave passing a point per unit time is ca xc)ns:2fow;j ee ).zalled the wave'snj) :w )ocs;a efxe2.z

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 t,)9tp/kvnb(u vn z5. zeokme4he 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 distancr 8e;sicxvrns8 - g+8ie between successive crests if t+ g 8 8c8verisis-x;nrhe 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 wavele:bqh1a5te t0u21fb8rami1( jzzc 9 gz ngth l and frequency f. A second wave on the same string has wavelength 2l and travels with the same velocity. What is the frequency oz i h :tgq(a8 bfmj2u51ebar1t19z cz0f 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 l *h,s6t8g3u p a:jmruyength L, mass M, and tension T. A standing wave is 6 3y*upu8smrhj:g at, 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 speed of a wave in tca7c7m nn7k8db.i3x fhe string is v. What will77d38n7ccnfbixma. k 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 length L is under tension T. The speed of a ;1 alw fsg52ffwave in the string is v. What will be thfwlf 1a5s 2fg;e speed of a wave 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 L is under tension T. The speed of a wav0umg(h 0 r8plqc1dt8wle /l7e e in the string is v. What will be the speed of a wave in the string if the tensio00q8ugehr /(l7mte l 1w8lcpd n 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 transverse7a;v 3xmh p 6p9ft*zrk4z:mni wave. As an S wave travels through the Earth, t:x6im7tna9 fhk; 4z p3 rv*mzphe 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 longitu fymxyi+ .-w.udinal wave. As a P wave travels through the Earth, the relative motion between the P wave and the part -.yymu i+.wfxicles 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,b s fdnh+t,rl;-fjr,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 the right along a thin cord reaches a disc* j c;3b4fpo4dpf3kdaontinuity where the rope becomes thicker and heavier. What is the orientation of the reflected and transmittp*oa4pb33kf4dfj c; ded 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 eqjw kjpq* 325 l5ue ph0-2blibnual positive amplitudes 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 same re5jhelbupkqi 5jlp2-02 3wb*n gion 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 toward 8;9omq+ty lvz the right has a positive amplitude, while the one traveling tyv8 ;9tq+mol zoward the left has an equal amplitude in the negative direction. At the point that they occupy the same region of space at the same time

参考答案:    

标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Resonance in a system, such as a string fixed at both ends, occurat 3,+ ;zifb.*7fku5pptm-tg 6kioois 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 violineg *oo 4/lxe)e )ti3i6zujh/w string, the fundamental frequency of that string will increase by a factou/6i)igjeeh 3oe4o/ x zt)lw*r 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 constan: sb5nif fz uz:rgb4qo23 4.stt of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from tq43nig5 o2s:sb b urzf4: .fzit?

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 sp c2+ qslk 4ec s+/ulz/qo-3sajring constant 60 N/m along a horizontal, frictionless su+qs /kl-q+o342cj ucs el/zsa rface. 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 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 alon0q3 jnht pxlj:o r2z8/g 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 2x:/h npq j3jzo80 trl0.50 s to go back to its equilibrium position when it is oscillating. What is the period of oscillation?

参考答案:    

标记此题
51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a spring of spring constant,an/.owq /ie5c; qh oq5q t9hb 60 N/m along a horizontal, fricthcw;eq atnq5 q/5bo ,qhi .9o/ionless 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 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 osc8y p/v5,bt+el:m6 zrx3m a xtjillations in 5.0 s. Wha / 5bymzve6,8x r:3tj+mp latxt 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 f c-p,iw afw3r5l-k +h+jmg8tvree end of an ideal spring of spring constant 20 N/m with an amplitude of 0.30 m. w l kptm-58c+jhar3 vf-wg,+i 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 spring c *zo r vl bp9n-ued++r8dsv/n;onstant 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 equild;n9+-v* rz8p+/ ovnreu lbdsibrium 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 enefnv vs3i/i-9d 1oc5 nrrgy is 8.0 J at this time. The mass is cut in half, and the3c 9n5nvivr1s-/of di 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 lgtgyg d ..l0sc:v(,espring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is the aml g0,gyc .(ev.s gdt:lplitude 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 atbq x4ne1m/lt/tached 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 m1/el/mt4b xq n/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 spri2b 1movj-ik2 ( zgs( segg,ctmk) at.2ng of spring constant 50 N/m and set into simple harmonic motion with an amplitude of m 21jcsis(v(2g-2eg otm . kbk,tg)za0.10 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 horfiy5 qi j95z3tizontal spring of spring constant 50 N/m and set into simple harmoij 5zy 35tfi9qnic motion with an amplitude of 0.10 m. What is the total mechanical energy of this system?

参考答案:    

标记此题
60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass vibrates back and forth from the free end of an ideal spring of sprint m8u:zr:;85x;j wk7h rze maag constant 20.0 N/m with an amplitude of 0.250 m. What is the maximum kinetic energy of this vibrating mass?87rjza tmw5kuezr ;::m;ahx 8

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 j1,wu hqb*,3a:.v7 8cakkbcy yerg+kfrom its equilibrium position and released. A frequency of 4.0 Hz is observed. What frequency would be observed if the mass had been displaced only 5.0 cm and then r ,u.b+y:, j ae8a1b37rhywgv*cckq kkeleased?

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 .ew :a mgr)/m:xl; nsespring constant 10 N/m. The object isls :anw.:/); gmemr xe displaced 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 springc 913 payvjo*a constant 10 N/m. The object is disp*joc a9v 1y3palaced 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 ofbc,,a4f)g;x: g bk gvk;zd2sp spring constant 18 N/m, displaced slightly from its equilibrium position, and releasa d,; 2v4:)g, p;zfbxkkgcsgbed. 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 f,u4ma wjwszdm2*l +3nrequency of 1.27 Hz when displaced a distance of 2.0 cm from equilibrium and released. What is the maximum velou+l *,nm jz32swd4wma city 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 springsdg*vt6mws 9c a(.y jk9. Mass A vibrates with ampliksw ma6.vgt(99*jcdy tude 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 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 the mass stretchesr6*ht w;j .ofn the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and releasefroh. 6*; ntjwd 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 spre n51r9.qqskb ing. 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 the total energneb 59qqk.1r sy 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 spd-zdh)f-pr7ite)m 3 qb8uzd;ring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then p3t merhfd)- d7qp-)zd; i z8ubulled 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 followib9947qhb en bjng position versus time equation 4 hqb9j9bb7en:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 following position versus tim+updhd dhm7 /8e equatioh8h7+d up/ddm n:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 t41ril,a, nsbch n .l,bhe following position versus time equn1 ,cll,b niba,sr4.h ation:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 o uhuuwip*e+ja,x.c3 5bv 1(c a spring executes simple harmonic motion according to the eqc,x*wouib3hu a 1(+5v u.jepc uation $y = 0.50 \; \sin (18\pi \times t)$ 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 oivsv ntfnduos ;s9s,4p2 /f0 lss/x(4f 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, the (nu2f0xdsp os ns4i;v s s,fs/t4/9vlmass 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 are its frequency aytf gt(fr691zi;d c kdv;:zd:nd period on Eargft d 9cyki:v:fzddz;6; t1r(th?

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. Wh aqb 5dprujv0a 1vd)4(at 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. yyobb5c n67njer-mmi kc h17:n 0e ;i/ 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. Whau gxn5 v06d yzydz++q)t is its period on the Earth?ydzx+ gudv 6)+5 nyz0q

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 1r/ ,-s- rknchh.0 m long. What is its period on the Moon wheres c n/rh,kr--h 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-kg spherical mass attach+/jovg;ml u :cj)t*dxed to a massless string. When the mass is displaced slightly from its equilibrium positionu djv+mx j;t/* l:)ogc 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 20-g mass has initial anoxsge:1 /,p9k eezw5 f8ngo(k gular displacement of 8.0e. It oscilogkz/ pn(gef9s8,1kwe5 :oe xlates 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 timullm0v 4 c(* a86f./ v nj5dd*qzjptmcm(bx g:e. The frequency of the wave is 120 Hz. What is the amplitude? v. mtbq (/fmj8*gpcdl5(az0d ml*u cjv: x n64


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 "snapsyhw /3k*w2b ptsok (5qh2et,w hot" of a wave at a given time. The frequency of the wave is 120 Hz. What is the wavelengk*wkwb(,ts2 q / w5h32oythepth?


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 timeb- sc,put e2du8vxm.3 . The frequency of the wave is 120 Hz.-8d evmt3.scxuu,b 2p What is 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 whicnkfqvgq(bzcno+ rq0+o-95;t h has a period of 6.00 ms?

参考答案:    

标记此题
86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the period of a wavek;cp9wm5y 39d ,r wkhj with a frequency of 1500 Hz?

参考答案:    

标记此题
87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the wave speed if a wxg8 :*wrmbm-eave has a frequency of 12 Hz and a wavelength of 3.0xr em w*gm:-b8 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 wavelength of 3.0 m and opn *s :6y5*s qqno.vja frequency of 12 o*n65 onsq.* :jqsy pvHz?

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 frequenck, wo6wjt o;l5y of a 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 linea.5bkei yjzd 8;r mass density 0.0050 kg/m is under a tension of 1350 N. Wby58. dei;jz khat 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 underga*zgp.ejc3, a tension of 180 N. What is the velocity of pra c e3z.jg*pg,opagation 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 c citm px6b9,jo16hqe 5j,cv..500 m is traveling down a 500 m long wire whose total mass i mopj,bvct. q6,e6ccj1x 59his
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 cbg2 ldy./i:elong string fixed at both ends is 200 m/s. Which one of the following is not a resonan/2 i:dbg lc.yet 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 46mb17omud ;e)*wqu -yswblr of the following frequencies can set the string into resonant vibrat s b6m4y u)w17;odbm*wqurel-ion?

参考答案:    

标记此题
95#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A stretched string is observed to have four equal segmegid0nbov w t p9*v65y7nts in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing50b 9g6 otiyvw vnpd7* 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 both9 b 4oy5wvpx dak,95sx ends, vibrates at a frequency of 12 Hz with a standing transverse wave pattern containing 3 loops. Wha5px4y vk5d9,9 sxow bat 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 20 N. What s yhd 3pw: a4s*pq7jxz/is9( rshould its le srq ah :pdw374yi *p(s/jxzs9ngth be 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 harmonics of a string of linear mass densityt p(w8erlh 8t8c4l 8gf 2.00 g/m and length 0.600 m when it is subjected to tension of 50.0 N.ft epg888( ll 8cwrt4h

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 ,h 9zjekv/pw1ends. When the string vibrates at a frequency of 85 Hz, a p1ez,h j/kv9w 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 02:57 , Processed in 0.483593 second(s), 219 queries , Redis On.