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习题练习:6.1 special relativity 1

 作者: linyun 发布日期: 2025-12-10 15:15   总分: 17分  得分: _____________

答题人: 游客未登录  开始时间: 12月10日 15:14 截止时间: 01月01日 15:14  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  
Two cyclists, A and B, start riding their bicycles from the same point. Cyclist A moves northwards with a speed of $4V$ relative to the ground, and cyclist B moves westwards with a speed of $3V$ relative to the ground.

The magnitude of the velocity of the Cyclist A relative to the Cyclist B is

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Observations of muon decay can be used as evidence of

I. Time Dilation
II. Length Contraction
III. Absolute Simultaneity

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At a relativistic speed, a rocket journeyed from Earth to;8 *bq4vw r tb*r0qeec Saturn. The duration of the travel is measured accordiev4 r;q8rbtb*q0* e wcng to the stationary observer on earth as $t$. The length of the rocket is measured according to the observer in the rocket as $L$. Which of the following is correct for the time of travel according to the observer in the rocket and the length of the rocket according to the observer on the Earth?

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4#
 
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 fge fi+h5uxjy742 zl 7windows, radios, or other means for you to observe or measure what is outside. You wish to determine if the ship is stopped or moving at cong f7 yuilexz+4fjh275stant velocity. What should you do?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The Michelson-Morley experi, - 5s rg5lxsld+l)xc tr4w7txment was designed to measure

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Michelson and Morley concluded from the resu7t h3(obm lw,gv3ghq)lts of their experiment that

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You can build an inte 99s+:fo cosvwrferometer yourself if you use the following components:

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The theory of special 4l9n ak5i x0w1 twpo9brelativity

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9#
 
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 b d ,n74 alcdj4.a.ypbwas that the laws of physics are the sameadby.n7b,d4ja .pcl 4 in reference frames that

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you were to measure yo9, i hxmgd9+zmld1 a biov+-t5ur pulse rate while in a spaceship moving away from the Sun at a speed close to the speed of light+ghoi d 9z+ -t5a,xv1bm9 mdli, you would find that it was

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Relative to a stationary observer, u wtt ti)-w*o+: m:yaoa moving clock

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The gamma factor is defined;);pdtx(k jhv lit:v9)a7wbg as $\gamma = 1 / \sqrt{1- (v/c)^2}$, therefore gamma ($\gamma$)

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Suppose one twin takan bj;zznt*r2p)n(.j es a ride in a space ship traveling at a very high speed to a distant star and back again, while the other twin remains on E(p;t)rnjnz*2j a.bn zarth. The twin that remained on Earth predicts that the astronaut twin is

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Relative to a stationary observer, l )j+z9chfwn r rba;a-8;t(uka moving object

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15#
 
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 velocity th5n lxz0j 2ify;at approaches the velocity of light. The width of this object, as measured by a sjilf2 5zx 0;nytationary observer,

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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 ws)zd,ga a uw:4ith a velocity that approaches the velocity of light. The length of this object, as measur :)w dgu4,sazaed by a stationary observer,

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  As the speed of a particle t aj /i*d:txhcz8i0c p rcw+1,approaches the speed of light, the mass of the particle: 1ic8rwz+ hic0 /jx t,p*tcad

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总分:17分 及格:12.8分 时间:不限时
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