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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: 25年12月10日 15:14 截止时间: 26年01月01日 15:14  切换到: 整卷模式

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1#
 
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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#
 
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  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 eid: 17521  对错数 0:0  难度: *****  
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  At a relativistic speed, a rocket journeyed from Earthu.wb/4rudyeo(li1ku,y(e-sx e5f v x 1u fj+ 0 to Saturn. The duration of the trdx e1f(1eei-s+ruj (.,4vouxu0 wb5/uykly favel is measured according 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 eid: 17522  对错数 0:0  难度: *****  
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  You are riding in a spaceship that has no windows, radios, or other means forhtwh y+9jk;* d you to + h;y 9tkwjhd*observe or measure what is outside. You wish to determine if the ship is stopped or moving at constant velocity. What should you do?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17523  对错数 0:0  难度: *****  
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  The Michelson-Morley experiment was designed to measuxh 1ed6/v0actdj* m: sre

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6#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17524  对错数 0:0  难度: *****  
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  Michelson and Morley concluded k;a9 we 9kaa2/px.ew sfrom the results of their experiment that

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7#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17525  对错数 0:0  难度: *****  
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  You can build an interferometer yourself if you use the following c-fq fry;: 4;m snwoboew+w8fwctxw4l,b:. 0nomponents:

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8#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17526  对错数 0:0  难度: *****  
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  The theory of special relf /l+q;ti3ht bativity

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9#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17527  对错数 0:0  难度: *****  
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  One of Einstein's postula:oov zy+1u dh4i ai.k blso(56tes in formulating the special theory of relativity was that the laws of physics are the same in reference iy 5(hob :au+6oslo4.vi z1dkframes that

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10#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17528  对错数 0:0  难度: *****  
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  If you were to measure your pulse rate while in nno b)gr6 6.w-0lp gwma spaceship moving away from the Sun at a speed close to the speed of light, you would fipb n-0g6l nwmrg.6 wo)nd that it was

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11#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17529  对错数 0:0  难度: *****  
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  Relative to a stationary observer, a moving cdw p, sg+s93vc 8vu)dalock

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12#
 
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  The gamma factor is definen c16dzc3n/ ne9rh)t)8s:,soa y oyivd as $\gamma = 1 / \sqrt{1- (v/c)^2}$, therefore gamma ($\gamma$)

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13#
 
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  Suppose one twin takep5cc2.hewuw zo 3r2)i s a ride in a space ship traveling at a very high speed to a diw3rc ei2zo5hpc.2w )ustant star and back again, while the other twin remains on Earth. The twin that remained on Earth predicts that the astronaut twin is

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14#
 
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  Relative to a stationary observer, a mt :kvhpm*8(* nmg+a hmoving object

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15#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17533  对错数 0:0  难度: *****  
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  An object moves in a diw bqd7fm.iwg (a2ivs gm*8+6-bbna:, ipb ik0rection parallel to its length with a velocity that approaches 8gs bnak+ 7,v i-pb2m: q 6g0ifi*(mbdwaib. wthe velocity of light. The width of this object, as measured by a stationary observer,

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16#
 
单选题 ( 1.0 分) 切至整卷模式 eid: 17534  对错数 0:0  难度: *****  
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  An object moves in a direction parallel to its length with a velocity tha6qcc/n 5t4kg xlqr/:k t approaches thg6/ckqq c rtk4/nl x:5e velocity of light. The length of this object, as measured by a stationary observer,

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17#
 
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  As the speed of a partimu zwp;zjrdja4m5t7,,r1d*z cle approaches the speed of light, the mass of the particm,5 tj4 m*j;wz rr za,d1u7dpzle

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总分:17分 及格:12.8分 时间:不限时
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