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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#
 
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  At a relativistic speed, a rocket journeyed from Earth to Saturn. The duration fy 2.qkq1rtbfq/4n2 t-,rzrnof the travel is measured according to the stationary observer kqf1nbt tr q,q 2rzn/4f2.r-y 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#
 
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  You are riding in a spaceship that has no windows, radios, or other mean xe(yts 4om2*us for you to observe or measure what is outside. You wish to determine if the ship is stopped or moving at constant velocity. What should yo2 s(ouxm*eyt 4u do?

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5#
 
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  The Michelson-Morley experiment : jc3;mw3va 7* chmcgtwas designed to measure

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6#
 
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  Michelson and Morley concluded from tdf b, ty(wjg u,)9 806ovoieeghe results of their experiment that

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7#
 
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  You can build an interferometer yourself if you use the kto,mx8e80t u zn0yx:following components:

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8#
 
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  The theory of special relaticvpan6xqv u*h.m h/+ cpf.0n7vity

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9#
 
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  One of Einstein's postulates in formulating the special theory of relativity kteokfxpp .l a 6/c*kzn8j /vh+,g4m7 was 6fc7k npkj gza*vmo/+,xt4e /hk .8pl that the laws of physics are the same in reference frames that

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10#
 
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  If you were to measure your pulse rate while in a spaceship movin paf3(8rri0r nft7mvf+r .nv; g away from the Sun at a speed clos.0rt3pfavv ninmr7r8+ffr (;e to the speed of light, you would find that it was

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11#
 
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  Relative to a stationary observer, a movichweurarr+teyz .c6. 2p .x5 0c1hl/eng clock

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12#
 
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  The gamma factor is yf8xju 4g/)zx0eu5h qdefined as $\gamma = 1 / \sqrt{1- (v/c)^2}$, therefore gamma ($\gamma$)

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13#
 
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  Suppose one twin takes a ride in a space ship traveling ak,r-qau0 8aukwia3 d( t a very high speed to a distant star and back again, while the other twin remains( au38uqik, 0kdaawr- 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 mojj,h5p6e0jf j 2ui8bnving object

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15#
 
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  An object moves in a direction parallel to its length wl.rz+ jj.e9i 7uy sun8ith a velocity that approaches the velocity of light. The width of this object, as measured 97+s8i.urjje. z lnuyby a stationary observer,

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16#
 
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  An object moves in a directionn zypdd gp,;8) parallel to its length with a velocity that approaches the velocity of light. The lenzg 8p,pd;n)ydgth of this object, as measured by a stationary observer,

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17#
 
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  As the speed of a particle approachesdtlk1 c zc(uk6p 8n1a9 the speed of light, the mass of the partic9p6utk1( znlack81 dcle

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