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 spaceptaxi) 3f a*74drsl l-ship that has no windows, radios, or other means for you to obt7dlsl 3*4)r -aifapxserve or measure 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 ydn0qommsz7 8) .w: bfexperiment was designed to measure

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 concl *sr1 eeq(d gc*eaox1*uded from 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 interferometer yourself if you use t1ekqoya0 99 dthe 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 principlek4tl7d, .(2j suhmojciy w7n2.
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 unprovable assumptions of Galilean-Newton1 )(6jfyvme 9o j: jkqlw 76;z8ddyuplian 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 relro +adbbt; / e(eqif*76fbx 2wativity

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 postsyry0pb3s(1 r ulates in formulating the special theory of relativity was that the laws of physics are the same in reference fra(b3r0ysr s y1pmes 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 postulatep 0dubl-hwq +, of special relativity.
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 opjgkyct,s+.fgvj457 q b a08ks.se3xf special relativity.
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 your pulse rate while in a spaceship moving away fjdp 1*2t53 uj8p) r d8zlhytpzrom the Sun at a speed close to the spyj)ju*8dt3 pzzd8pl251t hpr eed 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 statio)-lwa 4q4-go4n4q lhtg3ct qq nary observer, 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 aw ,v)6-p1ho:suld:x,q w;z9 ugz4seh ir j5m as $\gamma = 1 / \sqrt{1- (v/c)^2}$, 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 spactks w6aj .x7q 2rv l/zzn9e:v*e ship traveling at a very high speed to a distant star and back again, while the other t /9z*xz6wvkjeqr2sa:nv7 lt.win remains on Earth. The twin 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 movi1rq oatbt4+ ;fng object

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 hj2fq*rr,k:w i8z 3)e3 qw7efbpx l o7direction parallel to its length with a velocity that approaches the velocity of light.jwkhlofwi bq:7 p3) req32,*z8xrf e7 The width of this object, as measured 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 dien 2p x7(jgp4rdhh e0f49e t/nrection parallel to its length with a velocity that approaches the velocity of light. Th4e4jxpd/ht e 9h7n2(rg e0n pfe length of this object, as measured by a stationary observer,

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 approaches the speed of light, the m:it-g4fi)aqjvga z x*/, re/bass of the particlerex)zg/a/g q4tij i:,b-a*f v

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 li uymfhglc8j63 dv+crd 9 b73n*ght, the momentum of the partic* 8mdl3urc3n 9+yb7fhjc v d6gle

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 high speed. As it passes) 764hx y*zwz:e6y/m rr okasj, you measure its length at one-half its normal length. From this measurement, you conclude ta6)6*okr4 :7wh/jmyr syzze xhat the moving 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 pn1v4vzszt u7d fii4 dz6k .c84roton when its relativistic mass d4zs8i 14v udvickzd7 6z4.f ntoubles?

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 energy oogjxdpg21 +d 8v m;ul9f a speedy proton when its relativvx92ugjdl + 1o;g 8pdmistic mass doubles?

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 oi-d67dedqa vg7.a)l kf 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 a straightlzs9.ufxo ba v c).x6l(yf t,3 line. Ship A is moving directly away from the Sun and ship B is approaching the Sun. The science officers on each ship mxut,c).v.zofsx a 3y9bl 6 fl(easure the velocity of light coming from the Sun. What do they measure for 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 the1m, 8 vy fhf77na1giqe observer's frame of reference?

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 increases, you would obse)(o81qpi5al8 eiksaw rve

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.xpakkt(+) .r x0 m/s in still water. With what speed, relative to the shore, does it move in a river that is flowing at 1.0 m/s if the bo.(xt+) apkxkr at 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 still water. W .nbma t xsun90 y pr.os:o7u*g3mj7-tith what speed, relative to the shore, does it move in a river that is flowing at 1.0 m/s if the boat is heading downstreamtx a.30sg:ubu n-ot pm jnyr 7*s.o79m?

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 still water. With ws-v65 cmz *wcnr/p:ht. nnl4bhat speed, relative to the shore, doeszrl5:tns/ m n cc n-.*hv46wpb it move in a river that is flowing 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 observed by a3xe*1r3.d5(ehdr m8wn a, mcwym v, k,g(fasx stationary observer as running at one-half its normal rate k5e1da xwhg *8 xv srw3.yfd,,,cra 3m(nme(m?

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 nonstop journey to a planetju ,qt3 cw8 5-undy+wq and returns in 10 hours according to a clock on the spaceship. If the speed of the spaceship is 0.80c, how much time has elapsed on the Earth3wuqc 5,j ynq t+udw-8?

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 ; nbg+34 /f7ijlwelwimz3c l3initially 10 years old. While Courtney remains on Earth, Andrea rides on a space ship which travels away from Earth at a speed of 0.z ;37 eiwcn blmflgji/+3l 43w6c for five years (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 brother takes wbu-yf)2 qz y(g(fg /g- tdp13mqtss6 a space trip with a speed of 0.80c for 30 yeagg -ft /pymws dt(fqy3-z 6 u(bq2sg1)rs according to 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 movin. c, v+zjph6jpfa,c 3 ;w*oajtg 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 s.d.0 rn xeyd9 s(vchx3hip have to move to contract to half of its proper length (as obx xven3(d.dsc9h. ry 0served by a stationary 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 ai066:u da ugcq(lflm +t rest. If the spaceship travels by you with a speed of 0.70c, what length does it appear to id0ul:ql (a c+fum6 6gyou?

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 1d+(haakx6a p solar 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 toward the star. What distance does the space ship txpa+ 6a kd(h1aravel 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 solar system is Alpha Cumwmiwy) 1; z5entauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth tw;5)m z 1yumiwravels toward 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 Alpha Centauri, which is 4k1 xzorh+f*f 9.30 light years away. A spaceship with a cff*hr9o1zx k+ onstant speed of 0.800c relative to the Earth travels toward the star. 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 traveling at 0.85c. What is its mass? (The res k3z71ukp klq ,v7q*v7gk5 pect 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 its rest ma.t:w *+ q1ggd1km kz4 bg1zj-ljg,o sgbnj,0n ss?

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 spaceshi.svrya0 ;v tmhx7,q*tp goes from 0.3 c to 0.6 c, then your mass will increaq*v.srxvth,0tm7a;y se by

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 iu g2e fcnau aez1xq4 d(p8..n*n $kg \cdot m/s$ 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 loe)w6( ep bvy25r(ukfoses $4.8 \times 10^{-28} \; kg$ 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 l;z6 /drd jekf4ost during a reactiond z/;r4efd kj6?

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 brw c dqn/zq maz:zw05h: 195gtwo kilogram 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 d 9zz:7hnoo3a3 -oqggc ropped on Nagasaki in 1945 killed 140,000 people, helping to end World War II on the next day. It released energy equivalent to that ofcoonggzz7o h3 : -q39a 20,000 tons of TNT explosive. How much mass was converted to energy when this took place? (1000 tons 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 its tor;y. 5ddiu92cqv o+xltal energy. What is the speed of the protoc.ddu+i 52xr ylqv9;on?

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 mo:nmqs mlj6w6 h,vku ikw ;6./cmentum im6jh.;wvnk/ im6q:u 6s w,kcln $kg \cdot m/s$ 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 4ne-a w:fz2d1v -*4r 2 yi8ro xr4 ytyrvyue,ua reaction in which $1.67 \times 10^{-25} \; kg$ 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 du 5zg:1eubj wp 96me6juring a reaction in which $1.7 \times 10^{8} \; MeV$ 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 moving with j*ndq ny,8v2ba 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 requirb993ugckt7 d jed to accelerate one kilogram of mass from rest to a vel tk3bu9 9gcdj7ocity of 0.866 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, o)57 : nle56b5jryytcibr 8v g$1017 J$ 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. By wlerk99sq820opl y/ brhat factor has its mass increased with reso8le rpbklq2/09r sy9 pect to its 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 0.95c. You m )s,, vt0ljo6-,aeol rlz)t dpeasure the speed of light from tvl,l-p so dt), zjter6o0,al)he Sun 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 thrjs5(lm9y dcr.uf6,ir ough space at 0.60 c relative to the Earth. If the ships are headed directly toward each other, what is their approach velocity, as measured by a person on either.s9, rjd5fi(ycru6 l m 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 traveling with a speed of 0.80c. Howaw/e(tyurv / bud1h:: fast would light travel from the headlights of the shr 1( t /y::uawhbd/vueip 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 0.80c. The aov ih4 cs: e*xu05 0rst9.;mr:bucwwspaceship 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 fired away from the w x05o vsu:0ur:c4chi;sr9e mt *a.bwEarth?

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 c ,of6/9 lzrygfrom the Earth with a speed of 0.80c. The spaceship then fires a missile with a speed of 0.50c relative t g, yrzc/6lf9oo the spaceship. What is the velocity of the missile measured by observers on the Earth if the missile is fired toward the Earth?

参考答案:    

  • :
  • 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, 2025-4-18 16:56 , Processed in 0.336020 second(s), 144 queries , Redis On.