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 Unit26: Special Theory of Relativity



 作者: admin   总分: 61分  得分: _____________

答题人: 匿名未登录  开始时间: 23年05月01日 10:24  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  
  You are riding in a spaceship that has no windows, 6jcj ,ierx(w+radios, or other means for you to observe or me+w,i jr(j c6xeasure what is outside. You wish to determine if the ship is stopped or moving at constant velocity. What should you do?

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  
  The Michelson-Morley experiment was designed to measurem + 7.1alro ,aaoh9dp),ngycg

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  
  Michelson and Morley concluded f q 9mjbmv; b5-qt8;xdrrom the results of their experiment that

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  
  You can build an interferometerx. 97p l b5bq3ye6 gxk7:ckpkf yourself if you use the following components:

参考答案:    

标记此题
5#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State the relativity principlei f7a 6ps5unyxe.-ca,.w1pnx .
参考答案:    

标记此题
6#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State the three unprov9p3gjnjf.l +nom :gq3 able assumptions of Galilean-Newtonian relativity.
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  
  The theory of special relaone m3g snq)93hls0 8utivity

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  
  One of Einstein's postulates in fw).ak ov4,nl dormulating the special theory of relativity was that the lawskdo ) 4waln.,v of physics are the same in reference frames that

参考答案:    

标记此题
9#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State the first postulate of special relativl*k c,zq1r.s w.fbmoxqa7ce k: /0xf02ilz .a ity.
参考答案:    

标记此题
10#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State the second postulate of special relativi2kxrgt( 0qiwv,y l/9jty.
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  
  If you were to measure yo *s0vbn+ rnj9upj b 05be2eyx9ur pulse rate while in a spaceship moving away from the Sun at a spe5p vs 00r9+*9 uneb2ybb jjnxeed close to the speed of light, you would find that it was

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  
  Relative to a stationary obsery-y;rp5vo efq2d* 9e k .)babqver, a moving clock

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  
  The gamma factor is defined a* ,yfc mb+i5bss $\gamma = 1 / \sqrt{1- (v/c)^2}$, therefore gamma ($\gamma$)

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  
  Suppose one twin takes a ride in a space ship traveling atzeu. 1xrqj 1dgppi6 + 8h-n7(;rvrxya a very high speed to a distant star and back again, while the other twin remains on Earth. The tw r(8;da.g +6uep nqjh1 pr1 xryx7v-ziin that remained on Earth predicts that the astronaut twin is

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  
  Relative to a stationary observer, a moving s.c bd, 50sqprvs (xyzg19c3 bobject

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  
  An object moves in a direction parallel to its length wn,hm1ig2ty 8h7 rgn) jith a velocity that approaches the velocity of light. The width of this object, as measgj r 7,)mng2hi hny81tured by a stationary observer,

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  
  An object moves in a direction parallel to its length with a velocityx; ) :jnbzbz0m that approaches the velocity of light. The length of this object, as measured by a stationary observerb;xm bjzn:z0),

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  
  As the speed of a particle approve9yr*+ypdih)l euy,j ;d0+8v yhlpg .wti +*aches the speed of light, the mass of the particley. ;t,ydr*phwl0 v)li++g8duy i9vhp+yj*ee

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  
  As the speed of a particle approaches the speed of light, the mq)y0hz;h ;bhan2ooyf2 dk5 r(omentum of the pah;(k ay)0rqb; d252 hhozyf norticle

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  
  A spear is thrown by you at a very -pes3t-p 0 xgyf66n,apy pr 1dhigh speed. As it passes, you measure its length at one-half its normal length. From this measurement, you conclude that the movin pd3-ge 0p,p1tp6xf6yray-sng spear's mass must be

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  
  What happens to the kinetic energy of a speedy proton when its relati;ki.zhneg51 c vistic mass de.g51knh; zcioubles?

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  
  What happens to the total relativistic i6rbocjpoo. 2c/ dhu 6re1 i-7energy of a speedy proton when its relativistic mass doublrire 1 7bh dj6oouc-pi /62.coes?

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  
  Consider a particle xvkdb(3-l j s.of mass $m$ and rest mass $m_0$. Which of the following is the correct expression for the kinetic energy of such a particle?

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  
  Consider two spaceships, each traveling at 0.50c in ab(kq fzy44sdw1+c9ia straight line. Ship A is moving directly away from the Sun and ship B is approaching the Sun. The science officers on each ship measure the velocity of light coming from the Sun. What do they measure ff( kz dbi1ywa+s c9q44or this velocity?

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  
  Which of the following depends on the observer's frame of refereef1t 6 oyc5b2nnce?

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  
  As the velocity of your spaceship incrdr; 4l(kw 2n d+9cuinjeases, you would observe

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  
  A boat can travel 4.0 m/s in still water. With what speed, relative to the s5phzgi7cz +t i.nw69h hore, does it move in a river thz zhg6tp+n wi. h9i57cat is flowing at 1.0 m/s if the boat is heading upstream?

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  
  A boat can travel 4.0 m/s in s- yvo-eoj/*yttill water. With what speed, relative to the shore, does it move in a river that is flowintoy-*yvjo- / eg at 1.0 m/s if the boat is heading downstream?

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  
  A boat can travel 4.0 m/s in sqd3g k s4ai)f4till water. With what speed, relative to the shore, does it move in a river that is flowina ki4)sfdg3 4qg at 1.0 m/s if the boat is heading straight across the river?

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  
  How fast should a moving clock travel if it is to be obse 06 uc.sg7slitrved by a stationary observer as running at one-half its normal ratecugt0s7l is.6?

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  
  A spaceship takes a nonstob*,rxq eq )g0xp journey to a planet and returns in 10 hours according to a clock on the spaceship. If the speed of the spaceship is 0.80c, how much t ,b 0)*rxxqeqgime has elapsed on the Earth?

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  
  A set of twins, Andrea and Courtney, are initially 10 years old. While Cou0u /ormcfi69 z7fazi9rtney remains on Earth, Andrea rides on a space ship which travels away from Earth at a speed of 0.6c for five y/uf6fima9ri 9zc o 0z7ears (as measured by Courtney), then turns around and comes back at 0.6c. When Andrea returns, Courtney is 20 years old. How old is Andrea upon her return?

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  
  One 20-year-old twin bro;umw c h.yl:.kngh)/* csm cy)ther takes a space trip with a speed of 0.80c for 30 years according to ys m: hc*g.;nhku)lw./ yc cm)a clock on the spaceship. Upon returning to the Earth, what is his own age and the age of the Earth-based twin brother?

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  
  A meter stick is moviafcg j)ofr ;41ng toward you with a speed of 0.80c. What is its length?

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  
  How fast would a rocket ship have to move to contract to half of its pr yxy0+ (s qg)bx rrfw8c7cs0)re1 zy-coper length (as observed by a statiy )1(brsygrc00w7x-eq c r)yc f8+ zxsonary object)?

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  
  The length of a spaceship is 10 m when it is at rest. If the(9pzj 7q9c;h7 (wc5 qlokzmba spaceship travels by you with ( 7p 5qmkzwhzbq j9a(cl ;79oca speed of 0.70c, what length does it appear to you?

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  
  The closest star to our solar systnc 6.n -pehb essk*m:,0qf*g pem is Alpha Centauri, which is 4.30 light years away. A spacesh*hp,:c * b .nsgqm6e fenp0sk-ip with a constant speed of 0.800c relative to the Earth travels toward the star. What distance does the space ship travel according to a passenger on the ship?

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  
  The closest star to our sovy4 ; l3./ +mqbr5lwihp0g lpalar system is Alpha Centauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels towi;.3/mwlap+y v0 rbg q5l l4hpard the star. How much time would elapse on a clock on board the spaceship?

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  
  The closest star to our solar system is Alph8,v aax njf/i1a Centauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels toward the staa8 fn ai/jv1,xr. How much time would elapse on a clock on the Earth?

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  
  An electron is travel2ny lq rkzz01l k;b5n8ing at 0.85c. What is its mass? (The rest mass is $9.11 \times 10^{-31} \; kg$.)

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  
  What is the speed of a proton if its mass is twice iwq *xwrls-9dj3r mn7v:dg /de ;/vyp0ts rest mass?

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  
  If the velocity of your spaceship goes from 0.3 sxu-m a/7hhg*-k)octw p+b yyme;(*a c to 0.6 c, then your mass will increase byebuygcaa-y- (+7 ;hot)h mxwpm*s k/*

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  
  What is the momentum iqax th:h9old;1z: wa 7n $kg \cdot m/s$ of a proton when it is moving with a speed of 0.60c?

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  
  During a reaction, an element losed3mme 0+uzr.kr6 jeuf-* kd 8vs $4.8 \times 10^{-28} \; kg$ of mass. How much energy (in Joules) is released?

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  
  During a reaction, $1.7 \times 10^{-4} \; J$ of energy is released. What change of mass would cause this?

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  
  How much energy would be released if 2.0 kg of material was lost dukls)y v:, hmxrhez9hxt)6; 6l)x c id2ring a reaction?)6hxe2d)ksvc9z myih:6t )rh,xlx l;

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  
  The amount of energy equivalent to two k.um/ifgk) 7f zklm036 enco: gaqqz-/ilogram of mass at rest is

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  
  The atomic bomb that was dropped on Nagasaki in 1945 ,-k jg l qitioi 001tmlk0ih;6killed 140,000 people, helping to end World War II on the next day. It released energy equivalent to that of 20,000 tons of TNT explosive. How much mass was converted to energy when this took place? (1000 tonshl600k ,ik ;iqg0 t-imjoitl1 of TNT = $4.3 \times 10^{12} \; J$) Incidentally, modern H-bombs have energy yields 1000 times as much!

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  
  The kinetic energy of a proton is 80% of;weba;9pt mc/-m4 ia kt/d.fm its total energy. What is the speed of the proton?k-e9b/;it dc at.;p /w 4mmmaf

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  
  The kinetic energy of a proton is 80% of its total energy. What is the momentln kbpd (8se4fjjym0 mk.: 6f,um in0 d.m 6(4nskf8j jy,f:peblkm $kg \cdot m/s$ of the proton?

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  
  What energy is released (in MeV) during a reaction in r k*zqhliv,) *b 4qy(0m0,3ap fw wpbwwhich $1.67 \times 10^{-25} \; kg$ of material is converted to energy?

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  
  How much mass is lost during a reaction in which/fzgu1 mv 2(ys-ul,kg $1.7 \times 10^{8} \; MeV$ of energy is released?

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  
  What is the total energy of an electron movi jf+6fjqzto87kg l e*)ng with a speed of 0.95c?

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  
  How many joules of energy are required to accelerate one kilogram of mass from n7ij7fit a -k:rest to a velocity of 0.8-:77ka infji t66 c?

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  
  In a nuclear plant, hgtw/*lg w9(b$1017 J$ of energy is available from mass conversion. How much mass was lost?

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  
  An electron is accelerated through 100 kV,h2qrku (u7*.9ge/y jwdzep d. By what factor has its mass increased with respect to its(rdgkej2 /uz,wdye uq7ph. *9 rest mass?

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  
  You are in a rocket traveling away from the Sun at 0.95(0+iadvi a(n ql(/de tdvb-o9c. You measure the speed of light from the S /id v+dvain(9(-eb dto0(laqun to be

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  
  Two spaceships are traveling through space at 0.60 c relative0*yt)fhv; llu to the Earth. If the ships are headed directly toward elf ly)ut*v h;0ach other, what is their approach velocity, as measured by a person on either craft?

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 fast spaceship is travelystq t* b:,.issyd)s;ing with a speed of 0.80c. How fast would light travel : *.syi ts,s;dbqtsy)from the headlights of the ship relative to a stationary observer?

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 spaceship moves away from the Earth with a speed of 0.809wzwf*vql )t1;rtx s9c. The spaceship then fires a missile with a speed of 0.50c relative to the spaceship. What is the velocity of the missile measured by observers on the Earth if the missile is fiw*xqr9vt1 9) wl;fzt sred away from the Earth?

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  
  A spaceship moves away frog+8l1 e:-yxjv ghvq4bm the Earth with a speed of 0.80c. The spaceship then fires a missile with a speed of 0.50c relative to the spaceship. What is the velocity of the missile measured by observers on the Earth if the miss8 1yj:+xg e v4q-hvblgile is fired toward the Earth?

参考答案:    

  • 答题人:
  • 总分:61分 及格:36.6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 61 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, 2024-7-9 05:47 , Processed in 0.318214 second(s), 143 queries , Redis On.