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

答题人: 匿名未登录  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 sev (cj(c8 wq s6 hsykhr 1rj-l30dmbs4;an +ifi:en fundamental SI units using the MKS systedq +j(ch4jb1lr; n r3s:0shy-w( mk6 ifisca8m?

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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 jtz) lrl2rw.)force is F, the unit for velocity is V, and the unit for time is T, then the unit for eneljzwr)2lt .r )rgy 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 is F, the unit for velocil py2nwvcu./mt 43 tgm;+c)zlty V, and the unit for time T, lg; zmc +un) /lt3twv.cp4ym2then the unit for momentum 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 c80 kbil o,u*uo7uuy6units of mass, L represents units of length, and T represents unitoubuk u6,ly8 0i c7*ous of 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 a3 l-3:eozyqe nm4wbq 5 unit of:

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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 c lfiz v7s),9doorrect 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 a unzr2qpu gl /3*zit 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 w)bsq26pm lz.pqka8 .6 f pxka,as equal to one light-year. Which one of the following cho p8b,aqsxqk26 kz)pm l6p.. faices represents the type of quantity 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 equati dno8 dwg+wf* ni9(lqp8xwo6;on is E=mc2. 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 cjit/)hi csu/hhuz43 +uo.x, newton in honor of Sir Isaac Newton's contributions to physics. Which of the following combination of units is the equivalent of hxoiz/3u4.uchh+uc/i)t, sj 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 ps9 c0qckh ;j( dpyx:/quantities can have its unit expressed as kgms2?

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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 units, the Ohrz 3 qt0wbcwww:ve:+4( nvk)t m 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 following terms/quant3m.k k3doanfywu8o4mbt7sww(6 u p7 7ities is most closely associated with "the measure of the resistancew omawsm83 .3k76 f7w botp( 4kduynu7 of an object to length change under lengthwise tension or compression."?

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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 an energy conservation problem has obta +h(av :c-3kqtdq,nq jined the answer qdv-3:t ,h(q kc jnq+a50Js2/m2. 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 the following choices represents the smallest amount of ox6 4l 3(eadt0qm0qzhy8/c:s 7rjq2jb a-uqftime?y0sjq6mo3f-7(h8qltz / q4eq2 carux0a :j db

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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 obtainsjj83yix pba29h ).kzv an answer 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 tha 8j) bp3yhzix k9v.2jese same units?

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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 quanti( hyux/un(iqy5ww 9i/1 /ynyhty called the Planck time tplanck which is computed in terms of constants as tPlanck2=ℏGcn where ℏ is Planck's constant divided by 2π, 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 ob5l2ehfih za ty7(aw:e0+n* y f n0z;yrtain by dividing the distance of 12 Mm by the time of 4 T 0ne0h*y+f ;t ir a75hyeyl:z2n(wzfas?

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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 computemi/9qzba+oj 1; p09o9pgk jr ds a speed as 12mm/3μs. 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, there arhftscy p-9 ) ry:s,7see approximately 31.5×107s, 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 can be writtenk9czv-:nxk s.4;p9f 817pej ghzlion as one kilometer. Which one 7-9 kzn8l : osh4xp.;p9vz ice1jgnkfof the following choices best represents 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 lebql7f94h0x)qidv nx8ngths is the largest?

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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 onz8xv(/1z*e2p c; l 0fgpcbv vf 632.8 nanometers. Which one of the following choices best represents the meaning gcnpv z*e8lc;2 bv10(p zxv/fof 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 sen+l9. 0mwis tgjysm i c-43pte(ds a signal with a frequency of 99.99×106Hz. 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 c8 n k/sft6gfue m;7r6kt1neh4je:s+ correctly represents a length of 3.00mm ?

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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 has a mass of 17.8 gram and dimensioo q+1s v5;dvoyns of length: 3.00 cm, width: 4.00 cm, and height: 2.00 cm. Which one of the fq 1+ ;yvodos5vollowing choices correctly gives 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 represents the speed of 60.0 ma3r8 w70hi fzr k4 5dku dhr8wzsohbw9*):3xw iles/hr rewritf9 ad kr4*rho:3w85 h wxziwbz 7d8wr hsk30)uten in units of km/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 following choices best represents the value ofmzl :yh/5 dn0q the speed of light using units of miy mq/dzh0: 5nlles/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 travelsw j(9 em99slie at 20.0 miles/hr. Which one of the following choices best represents the sp9ewlm j(9is 9eeed of the car in SI units of m/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 fl.qxf3z5y krm/cj6j9 enb j1l5icpy ),oor area of 25m2. What is this area written in cm2?

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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 oe2-.h 7 avo6;cowg gpubject is recorded as m=2.10×104kg. 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 measuremenezv p7747q c :k:x: obphvyxv6t L=0.01230cm 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 of lenj8zot 8ubzg g*t z/-av1b a.:rgth are given: L1=22.05m, L2=6.1123m, L3=89.6cm. 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 length measurements are recordedrv v (l*,4dkzv: 5.4×10−1m, 5.4×100m, 5.40×101m, and 5.400×10−2m. 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 an experimeauz+cman a8i;6y q57 z36ikffnts: L1=4.57×103m and L2=2.130×102m. Using the rules of significant digits, what is the sun (L1+L2) 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 lewwec(7f h; c93ab bp6dngths are added together: L1=8.36×101m, L2=9.20×102m, L3=1.39×10−1m, and L4=2.1×100m. 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 made and recorded asu;shai. d )fef;sg bha. qjv.7/ p-,cf L1=84.55cm and L2=33.55cm. Two other length measurements are made and recorded as L3=1.750cm and L4=1.250cm. These measurements are used to compute the quantity (L1 + L2) − (L3 + L4) 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 length measurements areqyr41 j5 ,nrv whrys/./c f-fe recorded: 5.4×10−1m, 5.4×100m, 5.4×101m, and 5.4×102m. 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 added togeth .l5bn2h, 7a,wvdje ojd2a4fqer: L1=8.36×101m, L2=9.20×102m, L3=1.39×10−1m and L4=2.1×100m. 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 rectangular solid t*t o a-,tevrmqvz tj/85m*u-ho be 1.000mm×20.00cm×5.00cm. Using proper scientific notation and significant digits, what is the volume of the box in units of m3?

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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 box is measured to have 5 uzwzn; ao5h4mc6;nclength L=13.34cm, width W=8.45cm and height H=3.36cm. 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 the following07z2n)dt wulo choices represents the measurement with the most number of significant di 7ztwudn0) ol2gits?

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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 ranks the three given spee,l(8e+al54ov :mxnrr y2ma6 kgion :fds from least to greatest? The speed are gil ren am ,fo64+:lainok vrmg2y:x(58ven as v1=1.25×10−4cm/μs, v2=0.076Mm/week, v3=9.50km/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 taken. Which of the following:at-g jsi v yn je9g,h-3z0:fh statements is correct about the precision and accuracy of the dgha ,f-t:jzehj0- y 9i n:3vgsata?

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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 measurements fdgjz,(0b. ;cth -nnmdl8 3 r*z,sivsnor the llji n s tn-rd;n,g .mdb3cz,0h(vs8z*ength of an object: 5.05cm, 5.06cm, 5.07cm, 5.06cm, 5.07cm 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 sh:p o:wsyi/rpxfmc508 own. Which recorded value is the most correct for the loca yxm/fir sp0pw58 :o:ction of the 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 pe/lxfvwx4ar.; t-jl4 cxyj3q+ uaj-i +rcent uncertainty in the measurement 2.54±0.16cm?

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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 of )l-px:y4rnoh 1.96±0.01m. 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 quant .+ nbrwzo;-*otjfzf1 ity?

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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 ve;zgrr01r yx4qf* rnu4ctor quantity?

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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 id3v6 gb3 kll ;vko- f/v4oe ed60yees-s not a scalar?

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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 following quantity is a vectjk15adc zjrbo7vxm k 0g; ifoo.(y,9 *or?

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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 v pljqyx6( n03,4b8mma 8beqz*u(hecis not 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 followiyirs6m/8iq .xwd 7:gtng is not a vector 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 following i+ovg ( b4rh:gs /(zsgrs 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 following is w ;ls p0a)x /nvrlj ,ea pe1fgxdsb1p(0f196wnot 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 a vector quantity icv8 t-*bk*xf)fqb ;q?

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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 uhmu+vr.yib*d ,.0s,uet w z4quantity?

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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 flagpolejjsb blidpt2rd/9u e01 07n.n 1d knv1 if the sun is at a 53∘ 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 1,e 4vvn r.uanjm15a )6.pm vtq20 km/h is heading due north in a wind blowing due east at 50 km/h. What is the4u6 evjqn v1 a.a5rmt ,mvp.)n ground speed of the plane?

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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 at7prk ih a;d;u2 6.0 km/h 30∘ 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 ta*g o )9v rd,fdnfa3+rrkes off and flies 300 miles at an angle of 30∘ 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 verticallyqgkwu uw- m*8jmf)8jnc. uc*jf :1k l, at 12.0 m/s with respect to a stationary observer. A car is movi kj8k q:uj- wf mcul)j1*.u,8 mfw*ngcng 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 observer?

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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 average page of a physics text nfkpapm8b :d;p :ejmh:y- a9 4book 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 gn8,nh- dlmdr np1+:wsl *g3v how many seconds is it until the PhysicsBowl takes place in the year 2109 ?-,vdsn1+n3phd g8w* rngm :ll

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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. Approxim d6q8p 0q.)zf6jv xirp6l 3ekpately how many seconds ago did students co kdx36i j)vf.pq8z6 rpple06 qmpete 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 fr8sy2pkm j oo8:om now until the beginning of the next millennium (year 3000)opks8 y8m: 2oj can be approximated as 10x. 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 cho: /grultbqg5- ices best represents the average mass of an adult-gtb r/u5qlg: 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 followitsoc bf3-j.a 0ng choices best represents the time it takes for ligoa-3 ctjfb0.sht coming from the Moon’s surface to reach 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 Thermodynamics is a simple s 65u9-(9v sblrkb-u0lmcs kmktatement of the Law of the Conservation of Energy. It was first announced about th s6b09- m- (clmksvr95lkbuuke 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 Law is based on the experimental w6/wuxc:0 b hp4oqsd5rork of which person, who rolled sphe/dh c:rbo6q4uspw0 5xres down and up inclines?

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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 Lawzgw.zcw y6h; lk4 0ds930rxtf is based in part 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 latest), place the followw d*0swnzxgep)vy,s:1q c kzi3t :p:jp6.2e t ing 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 following events from ear o9akgy. n .7ze gg/ +fam4mri8mz.p.bfo uv0+liest to most recent:if.+p.vkm0gzy/ g.ma9e7 +.bz4mf au8grnoo
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 sjmom-us i7 .ecesgm))cm20f/ n,1iqphysics, the names Nicolaus Copernicus, Galileo Galilei, Jamesj ecf2o)mun-/qm 0semcis,i7. )1 mg s 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 recent)?

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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 Prize in phyx9ubtt0 m67p168z6hbmmy b bpsics 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 Prize in Physics for his work*jw0bzo 6ps+k4i y4 d0xwja,j 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 6dwzvmb eb s. a6y0t20e*m7dj the Nobel Prize in physics partly for the explanation of the photoel twe0ysdm2dj. zm v7e6 a60bb*ectric 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 has won a No*(k ;u. r4d4cy 1lbf fc (nr4slqpfe9dbel 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 r7* he+fpx9kothe title of a book written 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 eh)03x 3dniz ithat electrical charge comes fundamental si3)nie dhz xi30zed units was provided by the work 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 LASbz1wvq98bw 1 paa 05as ;-sqroER 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 wsmyh4 x.te 9ga*4 dge2ith many applications in electronics. The hm4e9e2 d* yg.gs4xat initial development of transistors and the Nobel Prize awarded 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 x/n d// x m/c+xny3c igj4+lgyfor a medical diagnostic technique. MRI stands fo/xgd+jxcnnm/l 3cxyy/ i+ 4g /r 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 December 1993 space shuttle Enput aw)h8q;ii, h/ s g(.aqfz;deavor mission was to re;wtfsh8) /zi.q;qpaig u(h a,pair the Hubble Space Telescope. 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 (LH4nr1pso - xy+eC) is the largest particle accelerator in the world. To which of the following coun ox ny41-+spretries would you have to travel 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 accelerator in the world is called the LHC. What doea3so;9q5qtj ms LHC stanq m5j3oastq 9;d for?

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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 inuqco(2a9u/n+a8 3nm p pi5spw the physics community because of an announcement from the LHC during the summer of 2012. Which one of the following choices best represents the reason5no3( 2wsic9qunp8pamua+p / for 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 "fmdsfr; r9g*rvmjky1 2qpq* . icg-f31dr)x4o or the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by the ATLAS and CMS experiments at CERN's Large Hadron Collider". The winners were Fra.)sr;k 3fripmy9 rqjmd-r v*g 1o2c*x1gf4qdnçois 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 follouy .6x;1sn)i wp )jzdxwing choices best represents the work for which the 2014 Nobel Prize in Physici.wzx xsdj)n61 y;u)ps 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 Febru ndh98el/ bp:lp4*sr tary, 2016 announcement fp* 98p4ntlhd/es bl:rrom LIGO that

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