题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:Physics Unit11: Vibrations and Waves



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

答题人: 匿名未登录  开始时间: 22年08月06日 21:32  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The time for one cycle of a periodic process is. n12l i+dr;uc3wkf br;lph,u 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 nuk *(qf 6s0 kil8zgchm4mber 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, 78jlo0oz(3u z1epq gy the maximum displacement from the equilibrium point is co7z8 yeu 10jlqpg3oz(alled 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 u:0;j s g/9 th/zs cmlfkrgl89xndergoes SHM. When the mass is at its maximum displacement ft/m :x9l/ sk9c0zhr jfsgl;g 8rom equilibrium, 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 undergolfiv3o0.v 4nrnn-v 0 nes SHM. When the mass passes through the equilibrium position, its inln-vi. r 0n vv4ofn30nstantaneous 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 undergp 7k)klfc6g/qoes SHM. When the mass is at maximum displacement from equilibrium, its instantaneous accelkf)67l /gpqc keration

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 arq*/) .4x tuy ei l,hph(xcgl6nd down between points A and B. Where is the mass located when its kinetic energy is a curl eighpy ,qh) .(txx64 /*lminimum?

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 between points A any6oo2;abtw 1 hogs:w6d B. Where is the mass located when its kinetic energy is a ho12bw y t;wo:6 s6goamaximum?

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 sprigsyj/5d mh( woj jx8;wdf;e;-ng and bobs up and down between points A and B. Where is tdm;df og-;ey5js8x h/w j;(jwhe 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 nv:kntat u6us-m((m )bobs up and down between points A and B. Where t6-at(n nkv sum:um )(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 yts nutjd )i*ob6+jr77 6 9vf :qk.ycksystem produces what effect on the sd oq.9*t7kk6 r vjf tyun+c7sbijy6): ystem'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-spr:v fm4-9 e ,-b pnpvko06b eocsyj;dg0ing system produces what effect on the system's mechn:0m0p vjdcok9sb gbvoee 64fp--; y,anical 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 wf ur12wh2nc.of a vibrating mass-and-spring system produces what effect on the system's mechanic.2 fnwc2hw1 rual 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, bovuebm nfvn 135ezl7gel21w )+th on Earth and on the Moon. Where is the period the vm3f1el) zw +572eu gvbne1ln 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 syqv -u unw/rbxc dm ,77,-eod1ystem causes what kind of change in the resonant frequency of the system? (Assume no change in vwq71 7bunero/,-,-cydx dmuthe 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-sprza f;qa 1djehv)/1 i9eing system causes what kind of change in the resonant frequency of the system? (Assume no change in the system's spring con)hife1z9a;e av1 jd/q stant 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 l 4f-e-qg64tmu+kcaya mass-and-spring system causes what kind of change in the resonant frequency of the system? (Assume no ot-uafe4+gqlc4k6 - mtyher 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 attn zftdd *lx, +68 jwsbdpj./-oached to a weightless string of length L. For this system, whwobzs/n -f xld*d6j pj+t ,.8den 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 r7oeplknv;v9qr +,u pr h:l/y5equired for one complete vibratyn+p:q;v79k,u vpo l ehr5r/lion

参考答案:    

标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Both pendulum A and B are 3.0 m long. The period of A is 6f/iqnro5,3):xkkqp54le4 nm zo8e+u aqjwmT. Pendulum A is twice as heavy as pendulum B. Wha 6:q5k4ozonl,)wq4 fj xe3k imn8pmr5 ue/q+ at 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 complete vif2bznhh3l3+ qtoc9h l zz.9/ lbration increases bylh3nz+ 2zqth 3 h9olzbc/l.9f 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 l/4 5zrg y 1ugd:noe.hf3bzi. zength and mass are incre fi b3.hg5z zy.o:nz4d/uegr1ased?

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 th/5y) saygva(cz.o7 z ae frequency of simple pendulum B. Which statemaz5 ).gayo7scz(ay /vent 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 pendulumma6)rlt ,; 1590zp lwsqlvbqg to the Moon, where the acceleration of gravity is less than on Earthw1bl qtq)0r;5 pal9zsvl m,6g, 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 represents+e(ozcryz.vy:xv5p n*z0 l ,m


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 repre. 2y)w9uk:hoe42ijgs judgh vo ow;p,da z;7,sents


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 reprzrw r,3/a38a,nhqqxd :v)jwfesents


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 vibratift7q x, .cb:csci 85rebz/o*2 eie6tuon 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 dvpez9nk s+ gu1z2f, s-isplacement of points of the wave from equilibrium is called1 9snvzpusfg2e- ,k+z 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 wk5df11ujce a2 ave 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 wave passing a poi+f m43y a8jpbohf14 drnt per unit time is called the wave'sobya3+1fh f44rdmp8j

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 trmy -y .d;o9tfhe 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 betwe l wmycbxf65t+lrx57(en successive cry6mf 7+xrlbc5w 5ltx(ests 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 mi *wjsab3 , -2m(aeqbfrequency f. A second wave on the saq2aem, bsj3awbm( -i* me 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 length L, mass M, and tenifbg1 yn:t*f*sion T. A standing wave is set up. Whifb1gf*iy :nt*ch 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 tensmc2/ci1 4 fune ,8mn ;z1abvqvion T. The speed of a wave in the string is v. What will be the speed of a wave in th41 vq1cv 8nc 2ubm,mfzi;a/ne e 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 wave in the1fh-pr fly+/4r- iit u string is v. What will be the speed of a wave in the string if the length is in -+-ruhpifl1t yi4r/fcreased 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 w;ih ape3 sa6(s8:igut ave in the string is v. What will be the speed of a wave inuthaipasg 36ei8;( s : 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 a transverse wave. As an S wave travels throu;2667 q cnxnot4d, ted4hna angh the Earth, the relative motion between the Sdha2 4cn7 ;tx4e 6a,ntnn oqd6 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 ir7ecx*c g2l8fs a longitudinal wave. As a P wave travels through the Earth, the relative motion bex * fr27cce8lgtween 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 wave is19 wt* jo:rs ,lz5fh3asnaj m+

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 thim*;jqs -;hlc.frq;win cord reaches a discontinuity wh. j-;l*c qq ;swif;mrhere the 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 ax69 w5o4rma qw4415 nx nvfcwomplitudes pass each other on a string, one is traveling toward the right and the other toward the154 x4c ww 5noxmoaf4wnqr9v6 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 each other on a string. The one traveling toward theu 6* hxk5l pt4nt7urt) right has a positiv*)h56krulu p xttn4t7e amplitude, while the one traveling toward 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 stribqqsa 7; b9t t1d7s;,l vzoj0yaer 3,sng 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, the fundament1hzfdcd7 ) 8.ijek u/eal frequency of that string will incrd i7kc)/1f z8.heuedjease 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 constantgaxq6fowuyb8dp;p+7e6 px+7 of a spring that stretches 2.00 cm when a mass of 0.6 +7uexpw8yap b76gq+oxf pd6;00 kg is suspended 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 als-lgej-gjtsp0i jr2(dh ( 4:dov3rd (ong a horizontal, fricddijr30(2vgjs t g d r-sh-p 4(:ej(oltionless 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 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 constvrl d (-)efv qmf,qq(,ant 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)l, (fdfv v(eq,q mq-r 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 constant m6 sd5)kp/s6f mw1)mh/fxhxc 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 )m5x w k)hsdhm/6m/fp 1s cxf6oscillating. 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 underns9y mudgj 30d0to/g5goes SHM. It goes through 10 complete oscillations in 5.0 s. What is the t5 sdgdjg3/ o0umn0 9yperiod?

参考答案:    

标记此题
53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass vibrates back and forth from the free end of z 0f2lc vi0)fh5w4:hxu iuu0n )6hljwan ideal spring of spring constant 20 N/m with an amplitude of 0.30 m. What is the kinetic energy of uwih26hlc:f 05lhw)xvui0fz)n 4 uj0 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 attache xzvi+ggd .2/yz0 1mvtd to a spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is zg./+2 vi1tzxv 0gdm ythe total energy of the system?

参考答案:    

标记此题
55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass undergoes SHM with amplitude of 4 cm. The energy is 8.0 J at tjlc08z6s 05qf-o h8 / kypvzzqhis time. j6zzqv5/-0zqlhk0sfpo 8c 8 yThe mass is cut in half, and 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 sprc 3/b+a)uq ts* oa.bncyw5;cring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5c3;q) o*cu5tarb /wb+as cn.y 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 20 N/m r45jg:z wj0d l k*u7lxalong a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a sper:4jdzl *ug7w 5ljk0 xed of 1.5 m/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 n7g)bx5xnz,r5l et l(k yzrhi0x** b8to the end of a horizontal spring of spring constant 50 N/m and set into simple harmonic motion with an amplitubxh *i0 g8 n*l l,5ezzky7(trn)xb5x rde 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 attq 9fvkyxckix+2s7zmi4 )3 y4f ached to the end of a horizontal spring of spring constant 50 N/m and set into simple harmonic motion with an 39ivxiyyq2)mfsk fc4 4x+k z7amplitude 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 sprinsrvkx p 6k*cr-s+-b6x9v w4fzg constant 20crxk4 rbv+ks 9-zp6 sx-v f*6w.0 N/m 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 equd p- ol,yp6cg.ilibrium position and released. A frequency of 4.0 Hz is observed. What frequency would be observed if the mass had been displaced ondpco.y6p,g l- ly 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 spring7: cxk3thhuy 8 cqyu.:9d, xmq of spring constant 10 N/m. The object is displ ,udyqmkc 7htx8.9 :qc:h u3xyaced 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 of4)x o+wv4sy ouvsh2k3shq56x spring constant 10 N/m. The object is doss2y 3xuvo )hs64hv 4k5 xq+wisplaced 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 fm5,rvn nj9 b su.f(0mfrom a spring of spring constant 18 N/m, displaced slightly from its eqvu0mf.jn( 59nsb,fr m uilibrium 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 c)c 1pacu1: aha spring. It oscillates at a frequency of 1.27 Hz when displaced a distance of 2.0 cm from a1 u)1cpcac :hequilibrium 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 diffjcmwc)anoeeq)6o a9z fmz* 33*w., rf erent springs. Mass A vibrates with amplitude of 8.0 cm at a frequency of 10 Hz and mass B vibrates with amplitu 3* 9 ejn,ccfqe*w3mazmowo)6z.ra) fde 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 stretcxg8cw:av webe6uk *dtmz/ +fj-o:7j( hes the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released from rest. Cal j/f-7:av+ewe m o xckg*zb:tudw68(jculate 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 equigxbv8u z7hnpi y)3/ u/librium the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1i7x83h/g)uupn/ v byz .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 akp,4g h gb (mo 8 o+1tm2(.ifzkl1nchthe mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm dngoa 28hm 1fzbmphg.i4+,tck1(o( kl own 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 following .k,pna x;p2 mgposition versus time equationx2p,p.g ank; m:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 posc spcv(09 ( 3brktoqk,ition versus time equatio3k9,(qkb(ct0rs oc pv 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 the following position versuse tk86kjdrrw8f0ea ./ time equation6 e0 a8r/8jftwrdk.ek :
$y = 0.50 \; \sin (\pi/2 \times t)$. 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 motiovr * d mgf,pm19:m(pqfn according to m:(m,dqr 9fv *pmg1fpthe 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 sp8 i:k dot.xu2tring with a force constant of 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, the mass is released from rest at x= 10.0 cm. (That is, the spring . tkout:8d2ixis 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 ssnwkecowk .7nar1s/cz41 7-l wings in 8.0 s. (a) What are its frequency and pe/n1ack77ws. oel1s n- r wz4ckriod 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 28.84 m long. What is its period ocv5 t9 .bdsqj)n 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 dk p4 s.1wap;oq:.6e 8yivbzr t4nm2bis 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. What is its periygbvbrg 5i )0*od on the Earthr * vyb)5ibg0g?

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(nu1 0u*bqrny nw01y3bfi( uym 1,mff clock is 1.0 m long. What is its period on the Moon where the acceleration due to g ymrnqb1 yf(10, n30ufi(unymbf1u*wravity 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 m3sv8b)akm eg 3ass attached to a massless string. When the mass is d3 )a3e 8kgsmbvisplaced 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 20-g mass has initial angular displaceme p51t ldyoq- peubyxq(yq68*w.y l-(cnt of 8.0e. It oscillates with a period of6cy5-pbp(*xq1q .woelyyq- ly (8t ud 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. Thkp e:p9,iot( ee frequency of the wave is 120 Hz. What is the amplitud:,9eoptp(ike e?


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"*b c-am ., q2ojs ubyz;fzc+8x of a wave at a given time. The frequency of the wave is 120 Hzxzc; y8j+zf amb-o*scuq.b,2 . What 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 "snapshot" of a wave at a given time. The frequency of the wwl694)pg7ycjumofz1 0zmb yw*o-dzd.m5,mp ave is 120 Hz. What is the wave speedbmz*9)gmyyfcwz l,u -d 76zmp wm01.5djp 4o o?


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 tb,1r2z jgniccc um d9;45j (qa wave which 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 wave wi(yv4 h+ 5qkploth 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 spelim7hn)+8x hj ed if a wave has a frequency of 12 Hz and a wavelength of 3.0 m?+7minhx)jh8 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 of a wave that has a wavelac ch8 lq:h8*qength of 3.0 m and a frequency of 12ch qa:8* h8qlc 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 d * mg;8m8mteem 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 linearz, /pk2w kdzm4 mass density 0.0050 kg/m is under a tension of 1350 N. What k wp4,k z2m/dzis 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 v9:ywwjnw0( w9o q x:h6.0 g/m is under a tension of 180 N. What is the velocity of propa9n w hw :jwwvx:qy9(o0gation 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 traveling down a 500 m ,rtr9h c07gsclong wire whose totacg,t70 rcr 9shl mass 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 strib n8(i* g8 8xnhcak nklur704xng fixed at both ends i4ar*kcxn8 h07ibu88nng( lkxs 200 m/s. Which one of the following is not a resonant frequency of this string?

参考答案:    

标记此题
94#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a guitar string has a fundamental frequency of 500 Hz, which one of the fo; zg;tt.a4gc kllowing z c;;tg4tkga.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 ha,yd h//3 q8f7ejrmermve 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 eq jh/edrm8q7 yfe3mr, /ual 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 endr,gc*r3, jg tns, vibrates at a frequency of 12 Hz with a standing transverse wave pattern containing 33r*rngj g,c, t 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 dee .1e*.mrgb t kagf9jm:r,9jfnsity 1.5 g/m is under a tension of 20 N. What should its length be if its fundamema.r 9rj. e:9fegtg1mkj,* bfntal 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 .8jep/atgt go;.x (cgof a string of linear mass density 2.00 g/m and length 0.600 m when it is subjected to tension of 50.0 N. o p/g(;.. egja8xctgt

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(eg0 xzoc+f5(ydu )kdr m42qv the string vibrates at a freque 4 5x ge0r+ozfv)mykdc dqu(2(ncy of 85 Hz, a standing wave with five loops is formed.
(a) Determine the distance between two adjacent nodes.
(b) Determine the wavelength of the waves that travel on the string.
(c) Determine the velocity of waves.
(d) Determine the fundamental frequency of this string.
参考答案:    

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

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

    GMT+8, 2025-4-26 01:18 , Processed in 0.588254 second(s), 219 queries , Redis On.