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 r ;4f6d w 7jsc1qujq3fa 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 tln fefe oa-9(z:)vcg3 ime 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 equi *bi *otjfp;(sluz3x3librium point is call3sitzlb3o( *ufp x ;*jed 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 undergoe;;pq jn* hwj3 sx1/ blt9mvvi -jzpi)7s SHM. When the mass is at its maximum displacement from equilibrium, its instantanx)jw nt;qjppji3z*h;-mli 7/b9vv1s eous 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 equilibrium/lebav f3 , ya)jz*vo5 position, itsa5alv 3/jfz bov*,)ye 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 isq* l9 tf;03pohu ez6wv,ofu)p at maximum displacement from equifpew utz;u*fq 9o l,p63) 0vohlibrium, its 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 b1phos 9ag)6go obs up and down between points A and B. Where is the mass located when its kinetic ener9g 1oghpsa o6)gy 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 betwee 4 zp*tffb** rv6tfk*sn points A and B. Where is the mass located when its kinet*sr*f tvbf*4fpz6k *tic energy is a maximum?

参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass is attached to a vertical spring and bobs up and down betweent,,6r lx/vxri points A and B. Where is the mass located when its potentia ix,xt6l/r ,vrl 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 points A anbl .b:vxk3 4qe uak7 3nxe6w0od B. Where is the mass located wheek l6k7bo: q4u3e w0anbv3.xxn 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 produce3 h1pw 9x2ccvrs what effect on thexh19c3pwvr c 2 system'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 8o zf2rk(u k.czmmr 7,oat ,7geffect on the system's mecha oaf c7z,.rrg7zku, mom(8k2tnical 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 constan (n73dhcpszmtg4p/r70h w 5bx t of a vibrating mass-and-spring system produces what effect on the system's mechanical ene7zw h04x 7 pd5pt(3mnhrcgs/ brgy?

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 9;ui;a 4quyin the Moon. Where is the period the;uu9i nqi4;ay 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-spriyl :lnfhep 74 b8cmi:8ng system causes what kind of change in the resonant frminh7f y:l e:cl8pb84 equency of the system? (Assume no change in the system's mass m.)

参考答案:    

标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Increasing the mass M of a mass-and-spring system causes what kind oy;lez*9r,z;z,,drui1y y0d utv x-tt f change in the resonau;1eyr tzdyrl z i-;txy z*d,,uv09,tnt frequency 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 system x2(lp g1k5a nfcauses what kind of change in a2kxglf(pn51 the resonant frequency 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 attac-gqyi9h+x8uc hed to a weightless string of length L. For this sc 8hiygxu-+q9 ystem, 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 for oye ,xnilw/i4z79gtr()fuq q (ne complete vibrazrw()q4 i(/uyei gf,7qt9xln tion

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 ooy+dn0h4zt *hf A is T. Pendulum A is twice as heavy as pendulum B. What i hzh40dy otn+*s 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 pd p.omv6mf sq54 pq-a3hwq o*.inl:: mendulum is tripled, the time for one complete vibration incrm4v5.n: wsppa mqf 3q hqo*dm-oi6.:l eases 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 length and s,rfo5,z5l st mass are incsrof5s l,z,5treased?

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 tw.p er+vk/r1vng g-te,ice the frequency of simple pendulum B. g1pe grvtrek/ v+-,n.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 te8 byf2): c*v* icagwwhe acceleration of gravity is less than on Earth, the resonant frequency of th*e f2 *:cy bvgaw8c)wie 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 repr4h7z n( 13bhycb n4renesents


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 -ih fyz81c xp.f +.ybrrepresents


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 represenidp/07 he 6avets


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 vibration is found to depx oqe 61eba49pend on the

参考答案:    

标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a wave, the maximum displacement of points of the wave from equilibrium is cav v1v laq7:age;p0ae t,38-edo(kvx hlled the wah gvve:p 7a ;-q edvev 3,1(kat8olx0ave'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 successi0s caw(oew281-uycdw ve 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 wave passing a point per unit timei5 n9wv8fl)z e is called the wave'f zv l)win859es

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'r; v50bo zs8wys

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 increasxvlv2v 0,8hi u7 kwfy-j3x g6res. What happens to the distance between successive crests if the speed remains const6 7l xrjvuvvwfxi02 -3kgh8y,ant?

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 freqi 7x8-mly sz(luency f. A second wave on the same string has wavelength 2l and travels with the same vlxl sy -7zmi8(elocity. 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 ofaus hk(2flrx 1cib7-h fe2t5, length L, mass M, and tension T. A standing wave is set up. Which of the2selh ta(15uhfix f -72br,kc 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 k 5,zolzlm;4( 8 c2nq b.rribetension T. The speed of a wave in the string is v. What will be the speed of a wave in zi42q5krr ozlm cb, n8(el ;.bthe 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 speedo*0f. o dnmr/ 1gbn5wy of a wave in the string is v. What will be the speed of a wave in the string if the length is incrdo nn1w5/fb* mg0r.yoeased 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 andf q lnnl(67at: length L is under tension T. The speed of a wave in the string is v. What will be the speed of a wave in t6 lql(fta:7 nnhe 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 t-d) qtjbay i-5hl)b.yhrough the Eartyb-) ).h5ty-lb djqa ih, the 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 lo iugh .zf y*lkfh8j8mf4j/b(*ngitudinal wave. As a P wave travels through the Earth, the relativefg*( hb88uiy4hjzkmflj/.f* 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 wmv6 n(q0vtog,9thp yn/;cw h 6ave 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)y8 ,8sxq75 vflefvh q a discontinuity where the rope becomes thicker and heavier. What is the orientation of the reflected and qvf8h l7)q,s8exvy5f 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 amplitu4i f( s/t4 t+n;cjbmendes 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 region of sp /i tj(c;sfben4+ t4nmace 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 edd0f25yi/oiwbi kt :m 9/1wb a string. The one traveling toward the right has a positivd0tb bwkd1y/2 f w/:i9mioi5ee 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 string fixed at both ends, occurs whexx.- kzyelwl 30:l a -y/b;ytzn

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 freqh2m t+*zcd7la .qjl7f-w c,9pv;rscwuency of that string will in2m* wrccclq; p 7fh,+vls-atd. zw7j9crease 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 2.0m;z*spn,5pnxji 2(bsk h*/ . wo3k clf)kjix*0 cm when a mass of 0.600 kg ix5pn)kf,w ji.3kli*om (p/ssz nxb 2* *jhc;ks 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 along a hor2noo 1m5cede3s(m(s7y5 oisf6 ( mbm fizontal, 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. What is the 3e (sif mf2 6nbsmd mo(5om(escyo715 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 aloncy njo++s /qtxav )allo ng )ccp:4+)0g a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass ann+x+cgq sclc+0a:l) pvy at4o)/)nj od 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 constant 60 N/m along aj .ev,t66eegf horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. et6gjv6 f,e. e 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 oscillations in 5g b.ip; ka//zl.0 kba ig /pz./;ls. 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 free end of an ideal sprik y*wjdaf,)h6+ t2xn nng of spring constant 20 N/m with an amplitude of 0.30 m. What is the kinetic energy of this vibrating*nxad6 ),yjk ntfh2+w 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 springord35ugt v; *4s0m4o:f rqyfn wt r6l( fn2kd; of spring constant 20 N/m along a horizontal, frictionless surface. The object okvdgs*;0dwf5:ou3 rfr4n qt r 2y on6(l4;tmfscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is the total energy of the system?

参考答案:    

标记此题
55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mass undergoes SHM with amplitude of 4 cm. The energy is 8.0 J ap5iptle r/uhpa:k7*w 64s iyn 4m-x0bt this time. The 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 nowm6w 4khx sypbrp:i 57/t* i4eu-a p0nl?

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 alv 8mg8kj) wkn kg/16pjun+a6 horizontal, frictionless surface. The object 6lwm kn+)1nju/86kp8ak v jggoscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. What is the amplitude of vibration?

参考答案:    

标记此题
57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 0.50-kg mass is attached to a spring of spring constant )mi 9o.qd0 :+dnmmqqw20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/.o+imdnq9m )dq m:wq0 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 horibx(;n 3y :zvwjuq52hn*bw8 j 4su*jlezontal 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 system?bvw4wuy5 *(un jnb :hxs32 e ljqz8j;*

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 torhd4qh14 jwb:x(6j8c f-a eend 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 sy xjabo41td q hfeh8jw-(rc64: stem?

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 anv m9ej1bus10 fd forth from the free end of an ideal spring of spring constant 20.0 N/m with an amplitude of 0.250 m. What is the9sv1f0bu em 1j 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 758( c r+rzdubgsi;a 5i+7rd q*gvgu6qgs 6bn system is displaced 10 cm from its equilibrium position and released. A frequency of 4.0 Hz is observed. What frequency would be observed if the mass had been displaced gv(q6 ;7 d+r5g85gg*rnirb+us bius7a c6dzqonly 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. The objecwmbk (w:22 q6o,ngvvst is d,ww62gnsvvkb om:2q (isplaced 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 objectj3 cyyvh),l08;fa lh );e8k: cbswjn4 jy*qur is8k;)l34cj hq sa0yfc j ljr,u8 nw :*y)y;hebv 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 vb 5 na1efm*t-eppnd .p7y: 1z18 N/m, displaced slightly from its equilibpea np17f z5t*:y-1nped .vbmrium 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 frequency of 1.27 Hz whei vlu 0.le/*oon displaced a distance of 2.0 cm from equilibrium and released. ou.*le/0 ilvo 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 differen v l 8stp.9pkv) (g(orlsmgrw71i /uc3t springs. Mass A vibrates with amplitude of 8.0 cm at a frequency of 10 Hz and mass B vibrates with amplitude of 5.0 cm at a frequency of 16 Hz. How does the maximum speed of A ulp)ck wlg(3sgv8(irs p o/rm v7t 9.1compare 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 theen hu-w8k*f r9 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 period of oscillatiornefh-8 ku 9*wn.

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 mh7 kf69rv3tk equilibrium the mass stretches the spring 2.0 cm downmr3ftvk 76 kh9ward. The mass is then 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 suspendedwk: si6ync- g6 on a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an addi6 yi k6:-gswnctional 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 following position v;w di1s8xj7nc ersus time equatwi ;dn cjx18s7ion:
y=0.50sin(π/2×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 vpj 38ogfa/nty 8j.v+aersus time equation: n3y/to+8japa8g.jf v
y=0.50sin(π/2×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 f o,z,z8lj)i li0sven x e)j.p,n0o)qobeys the following position versus time equaeolf ,j, . zx),v))n0osjenli p iq0z8tion:
y=0.50sin(π/2×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 exebq5m/afqr : 1ln 5;bvzcutes simple harmonic motion accorqblf5azvq r;:1/n bm5ding to the equation y=0.50sin(18π×t) where y is in meters and t is seconds. What is the period of vibration?

参考答案:    

标记此题
74#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A 1.5-kg mass attached to spring with a force constant of 20.0 N/m oscilla+3 vq 1(fneyfdtes on a horizontal, frictionless track. At t= 0, the mass is released from rest at x= 10.0 cm. (That is, the spring is st(e1vf3fd q yn+retched 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 compj04bp )coucul8 km 0)vlete swings in 8.0 s. (a) What are its frequency and period uuk0j )cm)vo cb4l0p8on 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 a5n d1zf3k3gk 28.84 m long. What is its period on Earth?

参考答案:    

标记此题
77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A pendulum has a period of 2.0 s on Earth. What is its leng hamau*/hk1: yd+yd3xth?

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 grandfatherf-p8n q5au/ ao clock is 1.0 m long. What is its period on the Eart 5uqo8a-/napfh?

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 z 1y i:vv9f-usm long. What is its period on the Moon where the acceleration due to gra: vs y1ufviz9-vity is only 1.7m/s2?

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 attached to a massless xzs6 x0d43ipt4 sxvg8;wr+k cstring. When the mass is displaced slightly from its equilibr rdzvs+3w4x4xgts6p 8;0c ixk ium 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 dispoav-1cm *v7d jlacement of 8.0e. It oscillates withoa- m*7vjcvd 1 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. The frequenc+ cmospi q+bgbiad.7 ;0 js/,g,p ntoe y82kh:y of the wave iito,oa+/02,b7 pimns8dk+c: yg beg sh.pj;qs 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 a9u) m fx6ebat-/0 fxpl6lhlc 6 given time. The frequency of the wave is 126a me9l x6cpufh l0xl/ftb -)60 Hz. 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 givenxdsuu;(0ncgv s yuem.8+.iq+ time. The frequency of the wave isss+iv cnu0;.eu .m(qxg+ 8yud 120 Hz. 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 which hxxzmh8tvm uenv73 +8) as 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 t4n4w+ )oxtuf5bj0ftwith 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 and a wavelength eyg7 le(f/,uu85y30yglypxrt t z6*v of 3.0 mt8ft5g0/uy3vz( lyg7xyupl* ey , e6r?

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 wavelengt2a m3-c9- zs0zsxe)*qwz oebt h of 3.0 m and a frequency ofqe-sm 09-ao)tbzs* 2ecx 3zw z 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 ;q *okozdb/g l vwfl5d( x4b;6wave traveling at 1400 m/s?

参考答案:    

标记此题
90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A piano string of linear mass density 0pfel*1igxo e r1 b:vh+631j hz.0050 kg/m is under a tension of 1350 N. What is the wah1z1*obiv1rp eljxe f+3 6 hg:ve 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 6.00a; ;kinu6fazwq; k( w g/m is under a tension of 180 N. What is the velocity of propagatiwkqa6n;0;ifw z a(;kuon 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 long wire whw( gb6lhg,g l1cjcorc go: ;04ose total mass icgg rhg w:6o1;oc0(cjgl,l 4bs
25.0 kg. The wire is under a tension of 2000 N.
(a) Determine the velocity of the wave on the wire.
(b) Determine the frequency of this wave.
参考答案:    

标记此题
93#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The velocity of propagation of a transverse wave on a 2.0-m long string fixe m:y:ftww 1gaetrc27a4;iyh* d at both ends is 200 m/s. Which one of theig2wh4fyet7y r*:ac wtm1:a ; 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 fu2o )/ww ru,xozndamental frequency of 500 Hz, which one of the following frequencies can set the string into r2 ux)owzo/r w,esonant 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 four equal segmentf1x4r 1g de 7+k:rjkr +dmcm7qs in a standing wave driven at a frequency of 480 Hz. What driving frm1+er7 4xf+crmd1d:kkjg q7requency 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 frequencyebj576uv 9w vy of 12 Hz with a standing transverse wave pattern containing 3 loops. What frequency is needed if the standing wave pattern is y7jvub9 6vew5to 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.6xm z1/g1ptz*6z+xq j2mlpar What should its length be if its fundamental resonance frequency is 220 Hz?x16gm z*+a pp/rzlxj2 m6zt1q

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 r h++o k8t8o5e h-lfc7w4fdyjmass density 2.00 g/m and length 0.600 m when it is subjected to tension of eohw47d c 88lj f+h5 orftk+y-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 ,mi 5-c3kijkg tfrn0 8both ends. When the string vibrates at a frequency of 85 Hz, a standin,imrit nf38-ck 05 jgkg 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, 2025-5-11 12:25 , Processed in 0.531594 second(s), 219 queries , Redis On.