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, radioi tz sli+5z*,xk19gi ss, or other means for you to observe or measure what is outside. You wish to determine if the ship is stopped or mo*,zxzi i+ 5lit9kssg1ving 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 experimens/c5 a60 c41 byfptyldt 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 concluded from the re7coub qi; 1.9fl,cmcxsults 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 yo6 ri77u/hl6yd3.k e-ag mhchiu 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 princx9r ( +drs)vdciple.
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 ae otq8+z s(i48a9 k v6knxas2jssumptions 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 r 5f/n/ sltfif4elativity

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 formulating the special theory of relativity 2nnh 9oal1az8 r6i8lewas that the laws of physics are the samehal2r ez1aon8968 n li 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 reoouuw/ 2g(e2ee8( 6nuywy+eb lativity.
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 re r0 h:jfjt/,ejlativity.
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 from 5em7r, r7/lfsj zr ,xk1lfa2n the Sun atff l,25xa/7e1jsn 7zrrl ,mrk a speed 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 observer, a moving clo 8co2ah9 m l;4 this*bmo-frjb5pt 8h3ck

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 as *7( slpo8lpd u:xv* mszej8(n $\gamma = 1 / \sqrt{1- (v/c)^2}$, 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 av5ts/:l-z,zdo4kg m1kiy6xu 0kskd 9 ride in a space ship traveling at a very high speed to a distaz5s kdikk4 ,d v6lgy9xo-0mtz u/1ks:nt star and back again, while the other twin 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 movin1we( tpzrj )0o+ c;dpsqn6;xs g 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 direction parallel to its lengrfzrmte/ph+)* c:uw - th with a velocity that approaches the velocity of light. The width othu+z/re f): mw* cr-pf 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 direction9-g8fy+i ;q6 kw.2fs eyc flr9acgqm4 parallel to its length with a velocity that approaches the velocity of light. The length of this object, as measured by a stationary observe+ ai 9qgrcylwc. ks f9fy6 42q-8e;fgmr,

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 ligt+m ,y i w-uwkv7r) a-ncjzo-.ht, the mass of the particleyv.jn o+wcam---)7ur, wzi tk

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 momentum of h, +8hcmw9(nd 7 n+tatv rjovu6h. c+wthe particlca(drmcwo vh h 8n+9h+7+wj6u ,tt.nve

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 if(s q *bd 0 z*n/bren5y-2pzyxt passes, you measure its length at one-half its normal length. From this measurement, *pnyz(-5d0y ebn/ b*z2fxqsryou conclude that 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 energ7/ m,)nekhlzgpdd h+* y of a speedy proton when its relativistic mass dl ,h7p+/*mzdh)ekgdnoubles?

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 of a spe+imuso 65t8whk7ja )j edy proton when its relativiat mw+57o j ukhi6)s8jstic 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 of maik-o)gsxuhlcz) ;: -/vwj2i2b5e na fss $m$ 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 travel 75w0zooxy9:nc,ibmx ing at 0.50c in a straight line. Ship A is mnob9w my,:5 7ioxcz0xoving 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 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 the observer's frame of referenct ae3xv j 4;*.g)syynje?

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 spaceshipbp 1nn7esigz4a 3b8)u increases, 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 mq e:mn)npd. g r6(/wja/s in still water. With what speed, relative to the shore, does it move in a r/j ra(n:6d)ew. pnmgqiver that 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 still water. With what speed, r.s) vjd sk15w z41g itsk3zq5xelative to the shorx5)zs13vkks.w4 js5g 1tqz ide, does it move in a river that is flowing 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 still water. With what speed, relative to the s.zmj.cruv,p y2.9 n zzhore, does it move in a rivernc.rz 9jvzy,2p zu.. m 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 iwq +ie jg,g.dx(thu-2s to be observed by a stationary observerxwiuqe2., jg(-gd+th as running at one-half its normal rate?

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 nonstopozv) ; f-l3lqs journey to a planet and returns in 10 hours according to a clock on the spaceship. If the speed of ;s3 qov)zllf- the spaceship is 0.80c, how much time 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 109 quxt c:)-2ffq.f0u tpd4n zi years old. While Courtney remains on Earth, Andrea rides on a space ship which travels away from Earth at a speed of 0.6c for five years (as measured by Courtney), then turns around and comes back at 0.6c. When Andrea returns, Cod2q: z.-9n tc xq)0ftifuf4u purtney 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 a space trip with a speed of 0.80cddg p*4zm0 j8j for 30 years according to a clock opm84jg0 z dj*dn 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 moving toward you with a speed of 0.80c. What nlqp4;nkj*f pr8s) 6;0 t ydepis 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 ham1lxqq;. r-h4 jq yzq9lf of its proper length (as obse 1y.9q 4xrlh;jqz-mqq rved 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 i2clh5twp38mdxm+ g. oct7h s;.ag1 ud s at rest. If the spaceship travels by you with a speed of 0.70c, what length does d 5h1.xal w8. d cmc3gtgsh2put+o m;7it 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 system is Alpha Centejxru2pgg/9)1 e.eosu 6 9duf auri, 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 9u.su 9f/) egpeejr 62ux1gdodoes 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 solar system is Alpha Centauri,f4 x8vhf* qf)n which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels toward the sth8v qfff)* x4nar. 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 4.30 light yea vfmni f.(pr +9px;2egrs away. A spaceship with a constant speed of 0.800c relative to the Earth travels town2px rg+fv(fe i ;.p9mard 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 restn :1j+3j(i l; j,o woycu2f9vt w/usqp 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 protom *e6)r5 jn, szcj*;yj. reh:d;enrpnn if its mass is twice its 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 c to 0.6 4 b9ubu)b9 efuc, then your mass will iu 49fbbb)e 9uuncrease 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 )czj8mmm2mo(v4ae 6p in $kg \cdot m/s$ 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 a: +uco3 )y7gjjs q:raloses $4.8 \times 10^{-28} \; kg$ 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 (u(fk) q7t tmzmaterial was lost during a reaction)t(7tuk mfz(q ?

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 equival0fmi zi)i,e n0n (e)p4bzy*jb ent to two 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 dropped on Nagasaki in 1945 killed 140,000 pv3f3e- sisi2o;fts)n:n, ro geople, 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 energino-n : sos)v,2itse; ff g33ry 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 total energ p-ol(l.z1yzh y. What is the speed of thepozz(l h-ly1. proton?

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 jq 5z87/vqk(l 1oax8 g.rgcouis 80% of its total energy. What is the momentum inlk8z qj(gqo 5rv 17g /xoc.ua8 $kg \cdot m/s$ 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 (inu1ha5+o)h m7e5wmn. jiv gtt4 MeV) during a 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 durin+xxc4 e) da oo5m5 p74cx:mvxyg 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 ener2: t,dn rpf.gnzq io92gy of an electron moving 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 kilogrrzz/t3 a 5db cju*h1x-am of mass from rest to a veloch*d-ac3rt/1j z xz b5uity 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, k1:dc.3a k x /nh0nlhx$1017 J$ 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 th,pu 7ozbua j89rough 100 kV. By what factor has its mass increased with respect to uoa j7z u8p9b,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 )nspz3x /)gqju no7) hmeasure the speed of light from thq)7jnzx oh)3 /sgun )pe 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 through space at 0.60 c relative to the * ebrsk:(nip,Earth. If the ships arkb, (ire:s n*pe headed directly toward each 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 traveling with a speed of 0.80l g4e bew)ska3 smi-x7x6p :j4qwiu3.c. How fast would light travel fro-xpw6bx .4g7)q3wk4iselm :3j iueasm 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 0.80c. The spaceship t ;b98q oqltluli;d4 6qhen fires a missile with a speed of 0.50c relative to the spaceship. What is the velocity of the missile measured by observer 8l9bidlluo q4 q;;q6ts on the Earth if the missile is fired 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 from the Eoor n8yxy .x6*arth with a speed of 0.80c. The spaceship then fires a missile with a speed of 0.50c relative to the 86o.or y*ynxx 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, 2024-12-26 15:50 , Processed in 0.306962 second(s), 143 queries , Redis On.