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习题练习：Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & His
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 作者: admin    总分: 91分  得分: _____________

答题人: 游客未登录  开始时间: 24年03月30日 19:37  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/17) 切至整卷模式 搜藏此题  
第 1 题组 (共 17 题 17 分)
  06.21: Which of the following is not one of the seven fundamental SI units u ncnk/w(oov8w r8r ; b6t7d,pvsing c78/v pww,r rd ;8kbn(ot onv6the MKS system?

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2#
 
单选题 ( 1.0 分) (组内2/17) 切至整卷模式 搜藏此题  
  95.15: If the unit for force is F, the unit for velocity is V,u+) acpgnz21 o and the unit for time is T, then the unit o12)cazngu+ pfor energy is:

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3#
 
单选题 ( 1.0 分) (组内3/17) 切至整卷模式 搜藏此题  
  98.16: If the unit for force igo )mfuwl,mtj h;513xs F, the unit for velocity V, and the unit for time T, then the unit for momentum )um; jmfx13h5to wgl, is:

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4#
 
单选题 ( 1.0 分) (组内4/17) 切至整卷模式 搜藏此题  
  02.25: If M represents unitsq xlyqx nf*2azrj-;,, of mass, L represents units of length, and T represents units o;ayx,rn,q *x 2qj-zflf time, the dimension of power would be:

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5#
 
单选题 ( 1.0 分) (组内5/17) 切至整卷模式 搜藏此题  
  06.32: The kW.hr is a unit offkveop5 5,t.f:

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6#
 
单选题 ( 1.0 分) (组内6/17) 切至整卷模式 搜藏此题  
  08.10: Which of the following could be a correct uhl7n7r/0aj-l86/ zvt ofhos unit for pressure?

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7#
 
单选题 ( 1.0 分) (组内7/17) 切至整卷模式 搜藏此题  
  96.01: A light year is 5 rcyqx;( wmn9dwp4l o0j9qmi9/k0 l rbic3c(a unit of:

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8#
 
单选题 ( 1.0 分) (组内8/17) 切至整卷模式 搜藏此题  
  13.04: A scientist calculated a quantity that was equal to one light-year. Which28xb .yvw5 d0hv;hbjh one of the following choices represents the type of qujdv2v0bxh ;yw8 hhb.5antity that the scientist calculated?

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9#
 
单选题 ( 1.0 分) (组内9/17) 切至整卷模式 搜藏此题  
  11.02: Albert Einstein's most famous sr3rz0,hpyt+ equation is $E=mc^2$. The unit for the quantity represented by E can be written as which one of the following options?

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10#
 
单选题 ( 1.0 分) (组内10/17) 切至整卷模式 搜藏此题  
  04.02: The SI unit of force is named the ne z+uayj.h( oy;wton in honor of Sir Isaac Newton's contributions to jy +zu(a. h;oyphysics. Which of the following combination of units is the equivalent of a newton?

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11#
 
单选题 ( 1.0 分) (组内11/17) 切至整卷模式 搜藏此题  
  09.03: Which one of the following quantities can have its unit express/ s0tsl */izynu k1 a mag6rc:p,jy,;ued as $ \frac{kg\,m}{s^2} $?

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12#
 
单选题 ( 1.0 分) (组内12/17) 切至整卷模式 搜藏此题  
  09.30: In terms of the 7 fundamental SI e4 i(-s fnajn b40mi;vc4fa m.units, the Ohm is written as:

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13#
 
单选题 ( 1.0 分) (组内13/17) 切至整卷模式 搜藏此题  
  13.44: Which one of the followinva* u-,pmbtj8zij.( i;z +utp r0ez2tg terms/quantities is most closely associated with "the measure of the resistance of an object to length change under lengthwise tension or compression."?azviz2t;ue(tz m*j p 8p+0-,rb .juit

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14#
 
单选题 ( 1.0 分) (组内14/17) 切至整卷模式 搜藏此题  
  97.03: A student working on a fsj7vd./y8pe c)z px/n energy conservation problem has obtained the answerpe//p xsjv.8) ydcfz 7 $50\;J s^2/m^2$. The student has solved for:

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15#
 
单选题 ( 1.0 分) (组内15/17) 切至整卷模式 搜藏此题  
  16.01: Which one of t*ait:j5: mh s.sep 88tqi 9oohhe following choices represents the smallest amount of time::h* .8p ioshsm9t to q5jeai8?

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16#
 
单选题 ( 1.0 分) (组内16/17) 切至整卷模式 搜藏此题  
  16.14: A scientist obtains an ansv8ni2 j/ev. at(t 3surwer that has units equivalent to those from computing the square root of the ratio of the Universal Gravitational constant to Coulomb's constant. Which one of the following choices has these same units av(r8t3ni jts.v /ue2?

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17#
 
单选题 ( 1.0 分) (组内17/17) 切至整卷模式 搜藏此题  
  12.46: There is a quantity called)a8k lh 6 smjy ,jy)pge03d9jv the Planck time $t_{planck}$ which is computed in terms of constants as $t^2_{Planck} = \frac{\hbar G}{c^n}$ where $\hbar$ is Planck's constant divided by $2\pi$, $G$ is the Universal Gravitational Constant, and $c$ is the speed of light. In order for this expression for time to be consistent, what is the numerical value of $n$, the power to which the speed of light is raised?

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18#
 
单选题 ( 1.0 分) (组内1/26) 切至整卷模式 搜藏此题  
第 2 题组 (共 26 题 26 分)
  07.08: What does one ob: /b u5/0fljl.wery qxtain by dividing the distance of 12 Mm by the time of 4 Ts .xwj:0/5rellyu/q fb ?

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19#
 
单选题 ( 1.0 分) (组内2/26) 切至整卷模式 搜藏此题  
  17.01: A scientist comput2 8w (r(9g 4wjtthwnzzes a speed as $12 \; mm/3 \; μs$. Which one of the following choices represents this same speed?

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20#
 
单选题 ( 1.0 分) (组内3/26) 切至整卷模式 搜藏此题  
  08.12: In one year, t9hnibtzq-*5 3i /nc13 euw n 6qg)xtdnhere are approximately $31.5 \times 10^7 \; s$, Which of the following representations using metric prefixes is equivalent to this value?

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21#
 
单选题 ( 1.0 分) (组内4/26) 切至整卷模式 搜藏此题  
  11.03: The distance of one thousand meters cj l jsyi)jmq.j7+7b4d l9uq0fan be written as one kilometer. Which one of the following choices best representjq0jj)+i7qdys bl9l .fmj 4u7 s a distance of one million meters?

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22#
 
单选题 ( 1.0 分) (组内5/26) 切至整卷模式 搜藏此题  
  12.01: Which one of the following lengths is the l zfogs8xrwp8;g:-k j8k 9vup2argest?

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23#
 
单选题 ( 1.0 分) (组内6/26) 切至整卷模式 搜藏此题  
  13.01: Red light from a laser is noted to have a wavelength of 632.8us8+st 476sdi lydap - nanometers. Whicpi8lau +6syd 7dsts-4h one of the following choices best represents the meaning of the prefix nano?

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24#
 
单选题 ( 1.0 分) (组内7/26) 切至整卷模式 搜藏此题  
  14.01: An FM radio station sqam n(v;jya:79n1 pets9 fa6 pends a signal with a frequency of $99.99 \times 10^6 \; Hz$. Which one of the following choices best represents this frequency expressed using metric prefixes?

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25#
 
单选题 ( 1.0 分) (组内8/26) 切至整卷模式 搜藏此题  
  15.01: Which one of the following choices correctly repre 4 ;lm3mpijjd4j *n,ywsents a length of $3.00 \; mm$ ?

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26#
 
单选题 ( 1.0 分) (组内9/26) 切至整卷模式 搜藏此题  
  14.18: A rectangular block of wood haebc yvy,0ji (i6cokf 6 u)5clm6qihqi9 d263ms a mass of 17.8 gram and dimensions of length: 3.00 cm, width: 4.00 cm, and height: 2.00 cm. Which one of the following choices correctly givec9yvl36(i0j6yii h)q2de,fqomc m6 cki 56bus the average density of the block?

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27#
 
单选题 ( 1.0 分) (组内10/26) 切至整卷模式 搜藏此题  
  11.09: Which of the following choices best rep9xqo pns;ai+,3, b1 y jjq)4biplkw e9resents the speed of 60.0 miles/hr rewritten in units of k3kp j,1jl bpi,oi; wqa+xqyn)9 4eb s9m/day?

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28#
 
单选题 ( 1.0 分) (组内11/26) 切至整卷模式 搜藏此题  
  12.03: Which of the followingcl5.z)kgjrv/e(tg)1:a ki q d choices best represents the value of the speed of light using uq: 1alg.5 evktr(diz g))jck/nits of miles/week?

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29#
 
单选题 ( 1.0 分) (组内12/26) 切至整卷模式 搜藏此题  
  15.06: A car travels at 2hh f luj:) h -zrbxanf.7gm6+;0.0 miles/hr. Which one of the following choices best represents the speed of the car in SI units of m-; mhh .:xf)a67 lbghjr+u fnz/s?

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30#
 
单选题 ( 1.0 分) (组内13/26) 切至整卷模式 搜藏此题  
  09.02: A room has a floor -k:)/sb y.ypzt c lmj4area of $25 \; m^2$. What is this area written in $cm^2$?

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31#
 
单选题 ( 1.0 分) (组内14/26) 切至整卷模式 搜藏此题  
  06.01: The mass of an object is recordedjm 6 ih,)f-y(1(r:hp eo pljrf as $m = 2.10 \times 10^4 \; kg$. This mass has been recorded with how many significant digits?

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32#
 
单选题 ( 1.0 分) (组内15/26) 切至整卷模式 搜藏此题  
  09.04: The length measurem ejutfx.w3)4 yent $L = 0.01230 \; cm$ has how many significant digits?

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33#
 
单选题 ( 1.0 分) (组内16/26) 切至整卷模式 搜藏此题  
  10.03: The following 3 measurements ofilc* yjr:j d23u ,o.rs length are given: $L_1 = 22.05\;m$, $L_2 = 6.1123\;m$, $L_3 = 89.6\;cm$. What is the sum of these measurements using rules of proper significant digits?

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34#
 
单选题 ( 1.0 分) (组内17/26) 切至整卷模式 搜藏此题  
  16.04: The following four wty btj. 1z1 7k4ld6fm: f1uu8pv (ywqlength measurements are recorded: $5.4 \times 10^{−1}\;m$, $5.4 \times 10^{0}\;m$, $5.40 \times 10^{1}\;m$, and $5.400 \times 10^{−2}\;m$. Which one of the following choices best represents the sum of these values using the rules of significant digits?

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35#
 
单选题 ( 1.0 分) (组内18/26) 切至整卷模式 搜藏此题  
  11.04: The following 2 measurements oflength are recorded from ljh5 31dlhnozglm;k b;yl /+y2v t4xtdql):7an experiments: $L_1 = 4.57 \times 10^3 \; m$ and $L_2 = 2.130 \times 10^2 \; m$. Using the rules of significant digits, what is the sun ($L_1 + L_2$) of these measurements?

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36#
 
单选题 ( 1.0 分) (组内19/26) 切至整卷模式 搜藏此题  
  17.17: The following lengths are added to 6l5nqm: gs3v;t2c zgegether: $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$, and $L_4 = 2.1 \times 10^0 \; m$. How many significant digits are in the resulting sum?

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37#
 
单选题 ( 1.0 分) (组内20/26) 切至整卷模式 搜藏此题  
  15.11: Two length measurements are mvf2s 4 x8m8ksen/i -waade and recorded as $L_1 = 84.55 \; cm$ and $L_2 = 33.55 \; cm$. Two other length measurements are made and recorded as $L_3 = 1.750 \; cm$ and $L_4 = 1.250 \; cm$. These measurements are used to compute the quantity ($L_1$ + $L_2$) − ($L_3$ + $L_4$) using the rules of significant figures. Which one of the following choices best represents the correct result to this calculation?

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38#
 
单选题 ( 1.0 分) (组内21/26) 切至整卷模式 搜藏此题  
  16.04: The following four* z4oi5xzy1lk( q s a0e5x.;yzpzo;ga length measurements are recorded: $5.4 \times 10^{−1} \; m$, $5.4 \times 10^0 \; m$, $5.4 \times 10^1 \; m$, and $5.4 \times 10^2 \; m$. Which one of the following choices best represents the sum of these values using the rules of significant digits?

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39#
 
单选题 ( 1.0 分) (组内22/26) 切至整卷模式 搜藏此题  
  17.17: The following length are ado o0fr6gkk r;n)b*p0eded together: $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$ and $L_4 = 2.1 \times 10^0 \; m$. How many significant digits are in the resulting sum?

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40#
 
单选题 ( 1.0 分) (组内23/26) 切至整卷模式 搜藏此题  
  05.30: A scientist measures the dimensions of a rectangulj mf:k+kts -0-z:n-r,ix qblp1 cz)xqar solid to be $1.000\;mm \times 20.00\;cm \times 5.00\;cm$. Using proper scientific notation and significant digits, what is the volume of the box in units of $m^3$?

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41#
 
单选题 ( 1.0 分) (组内24/26) 切至整卷模式 搜藏此题  
  12.05: A solid rectangular bow b9j bmv9+t,gx is measured to have length $L=13.34\;cm$, width $W=8.45\;cm$ and height $H=3.36\;cm$. Which one of the following choices best represents the volume of the box using proper significant digits?

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42#
 
单选题 ( 1.0 分) (组内25/26) 切至整卷模式 搜藏此题  
  13.13: Which one of the1f ru* m bx,*r4oh4l5p crxm7p following choices represents the measurement with the most number of significanto4c 15mp hbflx4rmu,*px r 7*r digits?

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43#
 
单选题 ( 1.0 分) (组内26/26) 切至整卷模式 搜藏此题  
  10.04: Which of the following relationship correctly rankspp mm;4/o2*ghbkge; r the three given speeds from least to greatest? The speed are giveg;bm2 * mk4gre;p hp/on as $v_1 = 1.25 \times 10^{-4} \; cm/\mu s$, $v_2 = 0.076 \; Mm/week$, $v_3 = 9.50\; km/day$

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44#
 
单选题 ( 1.0 分) (组内1/5) 切至整卷模式 搜藏此题  
第 3 题组 (共 5 题 5 分)
  06.12: Experimental data are taqe5yv;2lcg ; oken. Which of the following statements is correct about the precision and accuracy of tc;lqgo5eyv2 ;he data?

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45#
 
单选题 ( 1.0 分) (组内2/5) 切至整卷模式 搜藏此题  
  14.02: In the laboratory, a student makes the following 6 )pbue ex5l(c0measurements for the length of an object: 5.05cm, 5.06cm, 5.07cm, 5.06cm, 5.b lcp (u0e)xe507cm and 5.09cm. Using the rules of significant digits, which one of the following choices correctly represents how she should express the average length of the object?

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46#
 
单选题 ( 1.0 分) (组内3/5) 切至整卷模式 搜藏此题  
  07.01: A standard centimeter ruler is shown. Which recorded value is the 4e 29hl7tv/qsr x gavd4m(9(imju+d m most correct for the location of tgd v4 v+j humr/q(9sx7 i2 (4dmaltem9he shaded object’s right end?


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47#
 
单选题 ( 1.0 分) (组内4/5) 切至整卷模式 搜藏此题  
  18.07: What is the percent unce/ef5i1s j8wag oc47c(ov8us l rtainty in the measurement $2.54 \pm 0.16 \; cm$?

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48#
 
单选题 ( 1.0 分) (组内5/5) 切至整卷模式 搜藏此题  
  19.17: A sphere has a radius oft6 ub2feq81/in 0-rviclmop 3 $1.96 \pm 0.01 \;m$. What is the approximate uncertainty in its volume?

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49#
 
单选题 ( 1.0 分) (组内1/15) 切至整卷模式 搜藏此题  
第 4 题组 (共 15 题 15 分)
  95.17: Which is a vector quanti3x7 z73ay auug+fibt 96jm84w4nl hdo ty?

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50#
 
单选题 ( 1.0 分) (组内2/15) 切至整卷模式 搜藏此题  
  98.01: Which of the following is not a vector yf6t hvv x-nzu3+ 5(ovquantity?

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51#
 
单选题 ( 1.0 分) (组内3/15) 切至整卷模式 搜藏此题  
  05.01: Which quantity is not a scala f84jh;b;qpg br?

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52#
 
单选题 ( 1.0 分) (组内4/15) 切至整卷模式 搜藏此题  
  08.01: Which of the follobdy9 x: ten7u q .u2(lo9tsk5mv /bqf1wing quantity is a vector?

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53#
 
单选题 ( 1.0 分) (组内5/15) 切至整卷模式 搜藏此题  
  10.02: Which of the following is n *qgol3fw+i3,w j; /p n4gfaodot a vector quantity?

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54#
 
单选题 ( 1.0 分) (组内6/15) 切至整卷模式 搜藏此题  
  11.16. Which of the following is not a vubu(hg-j1,z*w2 ayr oe v 0ai5ector quantity?

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55#
 
单选题 ( 1.0 分) (组内7/15) 切至整卷模式 搜藏此题  
  12.12: Which of the followi3b68q ti(4bzxja*d iib( 2cea ng is a scalar quantity?

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56#
 
单选题 ( 1.0 分) (组内8/15) 切至整卷模式 搜藏此题  
  14.09: Which of the follo kiw vhy g)k0,4diukmu1vgb319om2 v (wing is not a scalar quantity?

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57#
 
单选题 ( 1.0 分) (组内9/15) 切至整卷模式 搜藏此题  
  15.03: Which of the following is not ah 43;x;usa m q;f1*e; th9irausyeo0y vector quantity?

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58#
 
单选题 ( 1.0 分) (组内10/15) 切至整卷模式 搜藏此题  
  17.03: Which one of the following choices is a vector 0h8zku f9 1ugyoeel )*quantity?

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59#
 
单选题 ( 1.0 分) (组内11/15) 切至整卷模式 搜藏此题  
  06.02: How tall is a flagpole if the sun iqr6 noha ( -*ntz8 lcg8m;aol6s at a $53^{\circ}$ angle above the horizon and the shadow is 8.0 meters long?

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60#
 
单选题 ( 1.0 分) (组内12/15) 切至整卷模式 搜藏此题  
  99.06: An airplane with air speed 120 km/h is headch- x,w:e6w e/nwh jf0ing due north in a wind blowing due east at 50 km/h. What is the ground speed of the plane wfx- e6nw/0jchweh,:?

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61#
 
单选题 ( 1.0 分) (组内13/15) 切至整卷模式 搜藏此题  
  97.40: A boat is traveling at yil-rss( mzoyx*/v5 06.0 km/h $30^{\circ}$ W of N with respect to a river. The river is flowing at 3.0km/h from W to E. As observed from shore, the boat is traveling

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62#
 
单选题 ( 1.0 分) (组内14/15) 切至整卷模式 搜藏此题  
  02.03: An airplane takes off and fliesk4 we27z45py ou)wrs w 300 miles at an angle of $30^{\circ}$ north of east. It then changes direction and flies 600 miles due west before landing. In what direction is the plane’s landing point from its starting point?

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63#
 
单选题 ( 1.0 分) (组内15/15) 切至整卷模式 搜藏此题  
  15.36: Rain falls vertically at 12.0 m/s with respect to wat. w4ae4 4gc;dz.pla stationary observer. A car is moving at an angle of 40° below the horizontal with respect to the observer. A passenger sitting in the car notes that the rain makes an angle of 29.0° with the vertical. What is the car's speed with respect to the obsw4d 4ag;w. aez4tl p.cerver?

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64#
 
单选题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 5 题组 (共 6 题 6 分)
  07.02: How thick is the w,ny vl i15m)szg40yk average page of a physics text book in micrometers?

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65#
 
单选题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
  09.01: Approximately how many seconds is it until the PhysicsBowl takes psh * + nfy)ib:cfou(3kf nhnyz/u/fh252vfz5 lace in the year 2109 ?v n+o y35hifzuyfnnhh 2sfc/f*(bzuf :) 25/k

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66#
 
单选题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
  10.01: The very first PhysicsBowl took place in 1985. Approximate:vfh32 y8uhr rly how many seconds ago did h u83:ryr hf2vstudents compete in this first contest?

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67#
 
单选题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
  06.11: The number of seconds from nojsn2h 1w7x -mydm7 gu+w until the beginning of the next millennium (yearuw7d +2-gnmm7 yx1sjh 3000) can be approximated as $10^x$. What is $x$?

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68#
 
单选题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
  11.01: Which one of the following choices best represents the average mas +jm(rnbuyl9/3:oinys of an ad oj /(l:nmiyn+by93ur ult human male?

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69#
 
单选题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
  11.21: Which one of the following choices best represents the timekcfr-1)olds14o 1qj *gwqwl9 it takes for light coming from the Moon’s surface to reach )gdf9ojqk *ql141 ocww1srl- the Earth?

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70#
 
单选题 ( 1.0 分) (组内1/22) 切至整卷模式 搜藏此题  
第 6 题组 (共 22 题 22 分)
  01.09: The 1st Law of Ta rkyf2+xd h:)hermodynamics is a simple statement of the Law of the Conservation a krxd)f+2h y:of Energy. It was first announced about the time of

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71#
 
单选题 ( 1.0 分) (组内2/22) 切至整卷模式 搜藏此题  
  06.05: Newton’s First- g-w 9 bxzbc)z4g *gzowzcfh,8bc7-m Law is based on the experimental work of which person, who rolled spheres down and up inclg4oc -bb-)bw w-fgcz 78 zm,xz9 z*ghcines?

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72#
 
单选题 ( 1.0 分) (组内3/22) 切至整卷模式 搜藏此题  
  94.04: Newton’s First Law is based in parzqg6jl- /)mdlqa fal):2pzc )t on the work of:

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73#
 
单选题 ( 1.0 分) (组内4/22) 切至整卷模式 搜藏此题  
  04.01: In chronological order (earliest to luopk.7-jo e d(atest), place the following events:
Event A: Henry Cavendish's experiment.
Event B: Newton's work leading towards the Law of Universal Gravitation.
Event C: Tycho Brahe takes astronomical data.
Event D: Nicolaus Copernicus proposes the heliocentric theory.
Event E: Johannes Kepler's work on the orbit of Mars.

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74#
 
单选题 ( 1.0 分) (组内5/22) 切至整卷模式 搜藏此题  
  06.39: Chronologically, order the followuxv8i a65oitan):k -ding events from earliest to most recent:xivaiu dn)t68 a-5ok:
Event A: Albert Einstein describes the photoelectric effect with light as a particle
Event B: Isaac Newton’s theory on optics
Event C: James Clerk Maxwell derives that light is an electromagnetic wave
Event D: Thomas Young’s double slit experiment demonstrating light as a wave

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75#
 
单选题 ( 1.0 分) (组内6/22) 切至整卷模式 搜藏此题  
  16.08: In the history of physics, the names Nicolaus Copernicus, Gje.+x2tzf 2 dfalileo Galilei, James Clerk Maxwell, and Isaac Newton are very recognizable. Which one of the following choices correctly orders these names chronologically by the approximate dates of each person’s scientific work (ending with the most rete. d +2zfxf2jcent)?

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76#
 
单选题 ( 1.0 分) (组内7/22) 切至整卷模式 搜藏此题  
  12.32: To whom was the first Nobel Prizrfsuca 3baw u +*fx996e in physics awarded?

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77#
 
单选题 ( 1.0 分) (组内8/22) 切至整卷模式 搜藏此题  
  94.23: Albert Einstein won the Nobel Primjpav q2+ n ag975f5koze in Physics for his work on:

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78#
 
单选题 ( 1.0 分) (组内9/22) 切至整卷模式 搜藏此题  
  13.19: Which physicist won the Nobel Prize iky/emkt:psk4 7 ng q9/n physics partly for the explanation of the phmk 9pk7k/n y:tq 4s/geotoelectric effect?

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79#
 
单选题 ( 1.0 分) (组内10/22) 切至整卷模式 搜藏此题  
  08.11: Which person j,3y/8nf l 3wyup4nkkhas won a Nobel Prize in physics?

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80#
 
单选题 ( 1.0 分) (组内11/22) 切至整卷模式 搜藏此题  
  95.23: A Brief History of Time is the title of a book writte0 knv 1w)fk)g3h xw tkr*7+g)jy6ttzun by:

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81#
 
单选题 ( 1.0 分) (组内12/22) 切至整卷模式 搜藏此题  
  04.11: The most convincing proof of the fact that electricap 2xd 5)l-2jl tizez;ol charge comes fundamental sized units was provided by the wo5lze z ;2pxld)t2jo i-rk of

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82#
 
单选题 ( 1.0 分) (组内13/22) 切至整卷模式 搜藏此题  
  07.32: What does LASEa;aw *gm6huu 5e/no 5e qmzi(0R stand for?

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83#
 
单选题 ( 1.0 分) (组内14/22) 切至整卷模式 搜藏此题  
  11.20: The transistor is a solid piece of semiconducting material lfsp:smg + xh*;)(uux*sh/s dwith many applications in electronics. The initial development of transistors and the Nobel Prize awx (sg/:ss)*lh*duu+;mph s xfarded for its invention occurred closest to which calendar year?

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84#
 
单选题 ( 1.0 分) (组内15/22) 切至整卷模式 搜藏此题  
  14.06: MRI is a commonly used acronym for a medical diagnostic technique.9-w pwri4aqv /aoye*3kq8 z:p MRI stands z9aw 3ypk*ipawr / e:o4qv-8qfor which one of the following choices?

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85#
 
单选题 ( 1.0 分) (组内16/22) 切至整卷模式 搜藏此题  
  94.13: The purpose of the Dzh lng 1zryb g/(5j9-oy(yz tn/i;d+qecember 1993 space shuttle Endeavor mission was to repair the Hubble Space Teles;i n1zzyg lynt gj +yq-5h(zd9 r(/ob/cope. The shuttle astronauts corrected the major problem of the telescope when they: A. replaced an improperly ground lens.

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86#
 
单选题 ( 1.0 分) (组内17/22) 切至整卷模式 搜藏此题  
  10.13: The Large Hadron Collider (LHC) is the largest particle 56plc d/co/kg accelerator in the world. To which of the following countries would you have to trave/ gdco/5klc6pl in order to visit the LHC?

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87#
 
单选题 ( 1.0 分) (组内18/22) 切至整卷模式 搜藏此题  
  11.11: The largest particle acceleratorj w0gc+:wo/jgrizc,kq(f + n 9 in the world is called the LHC. What does LHC stand for?wfzw0,/+i9 gn+jrogc(q c:j k

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88#
 
单选题 ( 1.0 分) (组内19/22) 切至整卷模式 搜藏此题  
  13.11: There was great excitement in the physics community because of aiz: 5x*dh,vosra. 50ag .smkqn announcement from the LHC during the summer of 2012. Which one of the following choices best represents the reason f.xao s ga*iq hz05d,5 kvm.sr:or the excitement?

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89#
 
单选题 ( 1.0 分) (组内20/22) 切至整卷模式 搜藏此题  
  14.19: In 2013, the Nobel Prize in physics was awarded "for jl-5j:eqg ouk+-fg *tthe theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed throughlfo5g +e*:kgjj t-u -q the discovery of the predicted fundamental particle, by the ATLAS and CMS experiments at CERN's Large Hadron Collider". The winners were François Englert and

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90#
 
单选题 ( 1.0 分) (组内21/22) 切至整卷模式 搜藏此题  
  15.20: Which one of the following choices best represents -1mdheiavlr,t bn 2 a d)5w44rthe work for which the 2014 Nobel Prize in d ) ,1viaher4lw5b r4nm2a -tdPhysics was awarded?

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91#
 
单选题 ( 1.0 分) (组内22/22) 切至整卷模式 搜藏此题  
  16.28: Recent excitement in the physics community came from the February, 201qa-ol-w fdi/c8n4z6 r 6 announcement from LIGO tc8 /-4qazwd 6l f-rnoihat

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