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 isx zp* d1za3j,k 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, thqq(p7ez+ *wm fe number of cycles per unit time is called the

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For vibrational motion, the mau kpekda r4yy3.;e,2f ximum displacement from the equilibrium point is calle2,yk;r k epf4. eaud3yd 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. Whej nmt2 d7mym2,n the mass is at its maximum displacement from equilibrium, its instantane2my7m dtj,m 2nous velocity

参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass on a spring undergoes SHM. When the mass passes through the -r 9,thp of:2wqls w:qequilibrium position, its instqh- ow: l:,w 2rspqt9fantaneous 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 z hk 4te 0libqzb.g ;/)wptd2+maximum displacement from equilibrium, its instantaneouhz d.kg+/t tbe2;pi l4bz q)w0s 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 sc*o79l3 fdyz fpring and bobs up and down between points A and B. Where is the mass y73 lfdo9*cf zlocated 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 +mu0;0 fon jwhand bobs up and down between points A and B. Where is the mass locate;wjun0 + fhmo0d 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 2) , e6lhjx8)fqux mhlvertical spring and bobs up and down between points A and B. Where is the mass located when its potential energy is a 6q) ,ufhmljxx28)leh 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 dl0. adib)t. ziown between points A and B. Where is the masi0) tzba.d .ils 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 system prodw6gkrwvg c3p+/jv11 f uces what effect on the syc6g fwvgkp+31 vw jr1/stem'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 vibratis+tc ;e kgfgc0omy6;;+ aee-vng mass-and-spring system produces what effect on the efkgasec;+m oc; e; gt+y06- vsystem'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 vibrating mass-and-spring zry)1g*njx 0 ksystem produces what effect on the system'nr)y*k jx1 g0zs 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 aw /*in 8r qi/ jeeo(rr3m)y+vsnd on the Moon. Where is the o 8y mvqnr(*i)w3j/eir/er+speriod 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 kgtnr52h1w*k -k h y-e 4hfc;lwhat kind of change in the resonant frequency of the system? (Assume no c-k-k yk 5et c1hn42;rw*hlgfhhange 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 caus xcbp9+inu n)7es what kind of change in the resonant fr x7iup+bnc9) nequency 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 amplitu e xoq (/fyyl+kx0d9u8de of a mass-and-spring system causes what kind of change in the resonant frequency of the system? (Assume no other changes ixd /u9leyqo +0 8kx(yfn 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 cobj 9+qd8xw (tensists of a mass M attached to a weightless string of length L. For q(bj de+t89wxthis 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 required fohsf p qx-;h-s*r one complete vh x;f*qps --hsibration

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 periozj 8vw k)j *6) ca.mbhmfp7dl9(n +uded of A is T. Pendulum A is twice as heavy as pendulum B. What iml(kd *8nh bcwe6vuz)pam+d )jj.79 fs 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 pvr jwx/z*54+baa 8 5wfz xz6trendulum is tripled, the time for one complete vibration ina fv 8rwtzzbxz/45rja 5*+6 wxcreases 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 itsk5bs2 k,rt+ mdiggq,ej es70( length and mass are increasedmrb 7 e5q,segg2jiks+0t, (kd?

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 frequ- 1z)u(yd1+ln ud mhrytx0xg6ency of simple pendulum B. Which statement0dym +u 1ndu-)grlh(1tx yxz6 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 isl jq:6:2uje p/ flpme .rv,6qf less than on Earth, the resonant frequency of th.6 jlpj:,:/u 6qme e2rplffvqe 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 represeng405ryysp v) dsu5 v0mts


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 represe9z(oeke b 54tgnts


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 rero .u /hv;n;ik( a7ardpresents


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 vibrationb dk:6jwbwj/ - mm .5xmue)sk: 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 equilibriua m rgg,tg 45jp1po0i5m is called the wap 5t0gg,ir o jga451mpve'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 succei ) )qsqv:avx(vk,5u tjs58gt ssive crests 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 wayml00q 4 p+nozve passing a point per unit time is called the wave'snmlz040o qp+y

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 wavelengyf5jcu nufx*3 3w93stth is the wave's

参考答案:    

标记此题
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of a wave increases. What happens to the distance betwl f(sca6vskn/co-7e -een successive /s7elasfk-- (oc6c vn 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 second wave on t be3a 1kg-/2d 42mng1l jchmiphe same1nl jggma42d bk -mh/ ci1pe32 string has wavelength 2l and travels with the same velocity. What is the frequency of the second wave?

参考答案:    

标记此题
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a traveling wave on a string of 7zk26inu 8ak*m8dse x,df -imznu3 f5length L, mass M, and tension T. A standing wave isa3z,x*d 7ki5 8s6e82nidzmuu k fnf-m 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 vhkv8cfa0,-d )ct8 ul wave in the string is v. 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 lengk)v 88 d-lccuh0fv, tath?

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. Theki.l3pex1(njupgufe(t f +,(09ck yw speed of a wave in the string is v. What willunw+3 xp(pk ek (.l9u ty0cj, 1g(ffie be the 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 e.f3p 6sj- )ozehq+oc 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 tension is increased tqoo- z hse6. 3+ef)pcjo 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 wavb2jg1r3 xoctlejj * *-e is a transverse wave. As an S wave travels through the Earth, the relativ 2jrx-c toj*1eg *bj3le 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 t30hd +r*bmm mwave travels through the Earth, the h+m *b0mrd3tm 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 4k )jk umxjhu05z0 bice.uc4trk1 ;3qave 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 alo 6 a c ;(jpro)b,cdxri40lbzkro1i9j:ng a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What is the orientation oij)r(bpl:61cz,j;oro4db 9 0xa kr cif 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 string, o k0ib 0upxogiqh 7 hino5o-1+,ne is traveling toward the right and the other towarg7h+k0ohu 0i-nop o5 b1qi xi,d the left. At the point that they occupy the same 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 uwkd2-- 0dbe e*e fq,2 iogam9each other on a string. The one traveling toward the right has a positive amplitude, while the one traveling toward the left has an equal oeb-2 wd *0k e ,qiuam29ed-gfamplitude 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 fi)6m-cp6xx va d p7nsc,n4 5egmxed 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 fundamental frequency of thaf-: f a+4pi5qrphv.c( vkw,f pt stringa v cf4pirh,fwf.k5:+(p-vp q 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 wheno)z8:r2 zoc2fxj*idwrye(g 3 a mass of 0.600 kg is suspended fro3*crzofixd(gzy2)j: r 8owe2 m 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 hbsv;zxx*(3 jwsa,; gd.p1 ubspring of spring constant 60 N/m along a horizontal, frictionless surface. Thed w j,3(1bhxv* sxa;s;pu.z bg 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 spring3l b,*,+ htrg2 x4cxywqsdtb,q dm -i5 of spring 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 letq my,hit gb4,,xlqx+r3c2 w*bdd-s5t 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 +5+ tco vxrry(nd,iqbwp 3(3ta spring of spring 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. Wrv( ycqw+x (tod+5pnr ib ,33that 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 un96ogf 7 tn2 5ppvp;0qtr/svsidergoes SHM. It goes through 10 complete oscillations in 5.0 s. What is the sv p2t 0qont i7sr/6g;pf9p5vperiod?

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 fortt5hm )l pic31o:bq8uo h from the free end of an ideal spring of spring constant 20 N/m with an amplitude of 0.30 m. What is the kinetic energy of this vibrating mass when it is 0.30c3) iltq:bu8mhop51o 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 alonxillzvax4.xt /.o knyy e *:u,-u:;beg a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a su,:vax ; *o-e.b zy utxynli lx4/.ek:peed of 1.5 m/s at the equilibrium position. What is the total energy of the system?

参考答案:    

标记此题
55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass undergoes SHM with amplitude of 4 cm. The ener;gxo9fix13cm*r1 ociw p7+h0tbcxm3gy is 8.0 J at this time. The mass is cut in half, and the system is again set in motion with amplirb hxfm0*x9 xmtco1 c31wc ig+i;o37ptude 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/m along a horiz5ztyv+w wqac ;aq0c zc;(e/+ wontal, frictionlescw5w a+z; q+(qyezat;wc0/ cvs 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 attached tz/ s,mvn9fn; pb6*gcj o 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 equilibrium position. At what location are the kinetic energy and mb/vj;scn 9 6ngz,f*pthe 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 spr:zm4b7.1js tokfo 2nutd 5vi9ing constant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanical energy of this sys7 z2.9b:d 5suk1 iovnftt o4jmtem?

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 attachj8s831 l dc0 mo9xrcnzed to the end of a horizontal spring of spring constant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanical energy of this s zj3o s88n0cmcdx19lr ystem?

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 ofu 6 +anj ;vc-dcyac3)0xl8dhs spring constant 20.0 N/m with an amplitude o ;dv-8u s0y cc6)x3j+c halndaf 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 qemlslmhv:;)et2 fgq/h, p3; system is displaced 10 cm from its equilibrium posi 2hh qg;l 3qt,e/:)slvefmmp;tion 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 released?

参考答案:    

标记此题
62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-kg object is attached to a spring of spring constant 10 N/m. .y.7 shanez x)8u -xjv7.sjkm The object isej-7k.nv7xhs yux .am z. s8j) 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 spring constant 10 N/m. The objp9gv f3 )h+lqza0ol.xect is displa+h9) l l azx3.v0opgfqced 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/m, displacedfh*-ll: 38d n v)msmef slightly from its equilibrium position, and released. What is the frequencyv:msl8d-l 3fh)n*f me 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 sprimvt a7 +5dn8wgng. 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 the at 7nwmg+ v58dmass?

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 ; sl3 .gti8bw85z hwgs 91oxuyi;kt5namplitude of 8.0 cm at a frequency of 10 Hz and mass B vibrai98o;zgw 5kntgu.; si5 s1btxy 8w3h ltes 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 sprin z0bmeo*5+uqz ans a1hq:bui vy)*1d1g. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0z1 b :bud us*q m i1e1hyq+aov5n*az0) cm down and released from rest. Calculate the period of oscillation.

参考答案:    

标记此题
68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.30-kg mass is suspended on a spring. In equilibrium the mass stretlq.qw6u lngsk+9xs-i 2 t+sm.ches 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 energy.ll+ ssngt.q mk-62+9uiw qxs 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 suspenz q o )0ccj3bs8y:aib;ded on a spring. In equilibrium the mass stretches the spring 2.0 cm downw8c;0:y ajbc3)sz bioqard. 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 followin-) gul;cftfwx2 2w bw.g position versus time equatio bw-w )x 2utc2g;fl.wfn:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 fi kk 8d.h.xu*ss alz: lfq-1;l 00ncpoollowing position versus time equato1;i0kpu lq.8kc:ls* 0an.f slxhd -zion:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 positiony pw.vgc2w(-pa( i iu* versus time equationy u-cp i avww2g((.p*i:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 pzcb44lmw p4iy6h x(.60 mhbg executes simple harmonic motion accor4b6bp4yz. c(g 4mmwiphx0hl 6ding to the equation $y = 0.50 \; \sin (18\pi \times t)$ where y is in meters and t is seconds. What is the period of vibration?

参考答案:    

标记此题
74#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A 1.5-kg mass attached to spring with a force con;:fsd lsm hp-0/m cq-ostant of 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, the mass is releaseds mspl;mo/-fc0-:d h q 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 complet8wtae l*/t 9sne swings in 8.0 s. (a) What are its frequency and period on Ea*/s9ne tw 8atlrth?

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 j bd(k ceve0s0t6y9np,-mr7g 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. What is its lengj z7x)fte47lkkj 6p42 znm9 si .nace,th?

参考答案:    

标记此题
78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pendulum of a grandfather clock is 1.0 m long. What is i;590o,nkhmc b qld qn)ts period on the Earth?km95qbdl) 0h cno;qn,

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 on the 3i8fxea* th.o2.:a n09wmq mlrq7gw lMoon where the acceleration due to gravity is only w o90 g8li: *w3.l.mhf tr2qmna7xq ea$1.7 \; m/s^2$?

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 att) cg)zldg,8ft(ejo/ tgs, p.xached 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 refl ,zs8g cj)/ (to.p)detg ,gxsulted 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 initi h3zixy v.lr/9i6a .w)wu n2qbg-m l9sal angular displacement of 8.0e. It oscillates with a period ofv6l.ul 9whib9i)axgmnr -2y /3q s.zw 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 wav 5 fc7kqizh;e*z-x05 v. vsaqcnt8v/m e at a given time. The frequency of the wav 8eknz*t q5vcz.-/ csqf v50a;ivxhm7e is 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 giv;qy.eeplctb6sxl0/.ry xi : 6z67 pk den time. The frequency of the wave is 120 Hz. What 6tld. c:z i;x rx0eeyq/yplsb k66p.7 is the wavelength?


本题所包含的其它图片:

参考答案:    

标记此题
84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Figure 11-2 is a "snapshqp-y:kciol.iml3n9qqkg 32 tv 6r* *hot" of a wave at a given time. The frequency of the wave is 120 Hzhc6 kv .3*kigrl:m2nt olyp-* qqqi39. 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 whu3 bx 9:jzjo 3-nvb88jd8tn7yulmdi5ich 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 o d)bq2 ive/8 p,fud;htf a wave 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 wave has a frequency of 12 Hz +nmuje 2v:tp2f is5)g and a wavelength of 3.):2pmveng i2us5 +tjf 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 zztpv2,i )6o vof a wave that has a wavelength of 3.0 m and a frequency of 12iv)2,6poztvz 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 travelinqo rvlppe30- r9 qh*z0g 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 t ndvhh5.y*1;q8wo 2yci-dz ,yyff sg6ension of 1350 N. What is the wave zq6 i8o1 nv *y5yf-.,hgh2cfyw;sydd 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 Ncii ullv-g.wlm7j- qulc5m308i)v l kpf(z 1,. What is the velocity of propagation of trans p .,l) ulfiwim u(jglz5vc lmc3v08q1ik7-- lverse 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 longbg 1c li) vv;4j3 y/,khbw/nrg wire whose total mass isbj lg/ yivn1;vck3)h /gr,4b w
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 wavekc -;cy is-*gh on a 2.0-m long string fixed at both ends is 200 m/s. Wh;sh ic* yc--kgich 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 frequenro0 h04x(szja, gf+d6w3u-g w,cgfqmcy of 500 Hz, which one of the follocg-hfor0f(+ m 0, 34jxwgau 6 s,wzqdgwing frequencies can 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 fg jo9j+ uym310m4 t m28os-cq*ncxnhtour equal segments in a standing wave driven at a h m+nm1 cn* ogc mu8t9toyx4jsj-q3 02frequency 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 a frequency of 12 Hz w9r(cfeine3i6.es f 2xa)k u pq+;gek)ith a standing transverse wave pattern +q )3scir;k )2epkefx. 6iune9(ae gfcontaining 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 20 4fybkuph y;sujesudr)42v g2)6 +pp3N. What should its length be if its fundamental resonugk23 644d )+sh ppsef2yupv;ju) bryance 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 ztm(d ;dm0f0d linear mass density 2.00 g/m and lengddzm m(ftd0;0th 0.600 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 strinh72 l olqcs j4in*) g:)nmcft1g vibrates at a frequency of 85 Hz, a standing wave with fivenjl:*g qscm4lhi721)) ofn tc 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, 2025-4-25 23:22 , Processed in 0.503604 second(s), 220 queries , Redis On.