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习题练习:Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & His

 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 ip rmz8xxj1t.; s not one of the seven fundamental SI units using the MK1pt.8rxjm ;z xS 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, and the eh13sac,qw 9k unit for time is T, then the unit k1 e9qwhsca3,for 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 is F, the unit for velocity V, and the unit for +lv4 eci eepfju(kf1ah) 64e 9time T, then tc h+e4ej (f)el1vu4i6a9k epfhe 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 units of mass, L represents units n9-st3tb xt2 uof length, and T represents units of time, the di2s tbx utnt9-3mension 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 uwi, db2 qak -jrk9ur):nit 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 cm2kpxx: ev w1:orrect 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 i6 tk z/6w.nfbuuf0 9ois 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 th-/ sn1wfj9vxm at was equal to one light-year. Which one of the following choices repr-xjsnfw m1 v9/esents 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'sdr1b )2svv1*c b huja9 most famous 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 t0 8kgh pb;-ipihe newton in honor of Sir Isaac Newton's contributions to p0gi iph8kb;p-hysics. 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 *0vony;gm)df fwy ; ;pfollowing quantities can have its unit expressed 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 utz21gs5x u6g fyka1* nnits, 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 following terms/quantities is most closelwuph:pg8m+)+;hd ic k5n;pyxy associated with "the ;yhw;+nh:d8mi 5pxku) gp+ cpmeasure of the resistance 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 conservation9a4p//s 9 7kwau *z r7srkvhcufhv( 4a problem has obtained the answhpaw9 *k4ar/a7(f9 7s cs/uh4uvkr vzer $50\;J s^2/m^2$. 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 isdcsf*7t1 5ythe following choices represents the smallest amount of timecd5 ft7ssy*1i ?

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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 answer thqyf/bnfz3 o 9n 2e3p:gat has units equivalent to those from computing the square root of the ratio of the Universal Gravitational constant to Coulomb's constant. nzqng3fo/ 2e: 3f9byp Which one of the following choices has these 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 quantity jtk l lji6r u3s+ +myt+dzz2+(e2g7qzcalled 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 obtain f : g yeykgzgzg8;18x7by dividing the distance of 12 Mm by the time of 4 Tx7 8f;g 8:kggz yezyg1s?

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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 computes a s bnq9)vzhra2 n+-c xopa;j21upeed 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, there ag 33(c kj; xxg/x.ngrzgyam-+re 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 can be writto)4g rkq sf fv,j uoj+(clp166en as one kilometer. Which one of the following choices best rep+lr,1fgof6 pjkv( 6osc)q4uj resents 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 fofz p k,k;bt4wk(n:d*9hrpc a8llowing lengths 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 h f987evzine6tbyfd1eo29v95w6 x ywoave a wavelength of 632.8 nanometers. Which one of the following choices best96d1zyy9 v e 28vfbe5 tn6 7wfo9wioxe 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 skosel o/70l q,ends 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 repres srz0s(jmj+6 x u7uttd/ 2f(hg6b 5xdments 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 8bt qv3xt3:ibof wood has 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 gives the average density of thet v:8b3q tibx3 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 repres.3qfpdk aug1tu9o,uczf r2bx.0z0 ) nents the speed of 60.0 miles/hr.0pf9d,n3oxz0ubzca.r 21u)gk t fuq rewritten 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 vgong -/wp*ez::b l/:w i dwwg(alue of the speed of light using units z-l:o/gbg/ww:(nwiwg * e: dpof 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 20.0 miles/hr. Which one of the following choiy 2ct4 x)ju5uvln tj*vd:5dqx(43uky ces best represents the speed of clu4( 52j*qvk) ty : uxtuydxv5d34jnthe 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 floor are rf;xy9-j9imd,vat a :a 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 reco3dg:5ik xu-y4; eu v6q ejiw.orded 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 measuu (aezb ym3syg 5 -m0ac-lm8:irement $L = 0.01230 \; cm$ 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 of length are gts: wrx5pm*tk2 + w ojtj0(fv-be1u i. dm2we8iven: $L_1 = 22.05\;m$, $L_2 = 6.1123\;m$, $L_3 = 89.6\;cm$. 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 length measurements are reco// dr(bxl)tqw rded: $5.4 \times 10^{−1}\;m$, $5.4 \times 10^{0}\;m$, $5.40 \times 10^{1}\;m$, 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 oflh4wdlz-k 0em -ength are recorded from an 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 togethero.d jto kvza.bt8l :p(wbv9*)ni-x c* : $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$, 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 ao wta(d6r/l;** tsrxz re made 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 length measurements are recvsy5e 115hxqk/wutu -orded: $5.4 \times 10^{−1} \; m$, $5.4 \times 10^0 \; m$, $5.4 \times 10^1 \; m$, 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 added together j/l5tfupfp0z d)+1kq: $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$ 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 rect i0 i.wgi+uog5angular 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 box is lh)k1r+h wxwoa8n 0:wmeasured 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 tjd)( ozt-96bu,)+jedytn mbz 9g*x nghe following choices represents the measurement with the most number of sigxd mb*u6-() ot+egy9tb ) zdnzgnjj,9nificant 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 foll 2)o-e(a;lraplemh+a owing relationship correctly ranks the three given speeds from least to greate + lha ol;empeaa(2r)-st? The speed are given 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 areqdfrp(r t/2i1 taken. Which of the following statements is correct about the precision ant i1p/dr(f 2qrd accuracy of the 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 followinn w q .7 6vnfvza-+o))jrh-jdhvor,(wg 6 measurements for the length 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 repre)vrv7o v.wh w(j n6z-qnjfha)r o,d+-sents 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 th0 -wcw0bq-b:4mcj( bo fd)zare most correct for the location o-fw wj( aczodb00bqc4:mr) -bf 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 perce,k)c /c)zx 0u )n9vja0i1jrrr5nkv zunt uncertainty 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 e/qgf5s9me 1az rt +u,of $1.96 \pm 0.01 \;m$. 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 quan sf 259rhuy,qiiz.; nitity?

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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 vectoryzm/ fz 4 n-i8b*y:lrg 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 is notnn):5f5jyqq n 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 ves e5aqm) mnd6 x1yc*g1ctor?

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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 fowjhmkl)f -*(p id5i)gllowing is 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 following is not a v(v,)tbzma 7v l6 t405clldabiector 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 folkuz0 arh -s zw7vxu*h.h:/xy*lowing 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 following is not a scalar quanti *.n8el rbmdk31:tdch ty?

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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 follo er76v1ijuhy-9 x3huq9 e zkj,wing is not a 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 e7od q/js 9yj3quantity?

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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 k8f l uk+ww4b.flagpole if the sun is 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 heading due q uda 41eph*.k j*fj7rnorth in a wind blowing due east at 50 7k.1 *phd4jrequj*afkm/h. What is the 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 at 6.is zwd/urblg e*0g+5u+a(2m k0 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 flies 300 m hpzudn.1)/ uoiles 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. c:cvr xgz .gwa2.jz8yl/ )cv6f83qmi0 m/s with respect to a stationary observer. A car is moving at an angle of 40° below the horizontal with respect to the observer. A passenger6lcam8 j23:i.wc/y.q)frg vzzx 8 cgv 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 physp gbcdi6*v ww/x4t9x /hj*9cnics 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 take(0nhfvxp dod//zc6 t. s place in the year d xtn(. z6/d/h0 vpofc2109 ?

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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. Approximatelylisgox *u8 v7e;4m5rdk7) bwm how many seconds ago did students compu;v 5mg l4e8x s)d rmo7b*i7kwete 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 now until the beginning of the next milv4z hbv ( pbv0/2m7zcylennium (year z vm vcy7bbp(42 hvz0/3000) 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 follorobly;u (.(s, m4k letm-4osa wing choices best represents the average mass of an adult human mma,tke-rss( b.;ml4y(olo u4ale?

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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 tn/2g5sj3k/jikz gje . ime it takes for light coming from the Moon’s surface to k/5nkij3j se g./gjz2reach 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 ipcunrp lm 1 hkl9) tq;/0,abjx0ly41 statement of the Law of the Conservation of Energy. It was first announced about the time l00yl l)14;kajrnp ,qtc1i /b9 x phmuof

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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 ap, ejxxi0,av*0sh 6c vb /8bs,)siyt work of which person, who8cx,vj,s0ay )p 0*6 vesx atib/i bh,s rolled spheres 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 Law is based in part n3jl.)o1p9 rjvj0xawon 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 following jsiqywn hvv/. y+9, 5qevents:
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 fr zp4eh posrj:en 81o83om earliest to most recent:reho 834e:np8 p1o zjs
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 *d4 9swxqs*w):gvlign.hs 9d names Nicolaus Copernicus, Galileo Galilei, James Clerk Maxwell, and Isaac Newton are very recognizable. Which one of the following choices correctly ord9w w9nhl*.gssgv)* :dx4s qi ders 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 N*o ksw65e7lxt4493gz w a dtraobel Prize 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 Prize ipddl3c1 2( oddn 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 in phb kl;ecoq0ta+74snc /ysics partly for the explanation of the photoelectric effect+keanqb /70o c;lt4 cs?

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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 Nobel Prize in pp f07/akt1txq(qv y,lu7 x 1yqs,h7ybi /1bgrhysics?

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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 tii s2 u6r5,cur0ca lrb8tle 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 that k) s6tugjvn0-za1p69g)vq.os2k kdyacw c5 *electrical charge comes fundamental sized units was provided by the w.)66 y-g kv1znodgcsjsk0 qc5p2) w ka9*avutork 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 LASad6j.6 w n-kasvx7v8q ek6 b,mER 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 wjj;)aucfn9k5 qzjsfeg:2fz 8 f7shp7 6i:fv.ith many applications in electronics. The initial development of transistors and the Nobel Prize awarded for its invention occurred clo 5jq27fs kv9 6::fs jfgui;fcz78jz) ef hnp.asest 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 acrony bn5lvgifdb/j .m,4lm;7j:csz*+yt wm for a medical diagnostic technique. MRI stands for which one of the;.iyw+5s j* cnzmldm,l :j bgtf4/vb 7 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 Emxj r)dm/k ra0ax *( sc)4ppp(ndeavor mission was to repair the Hubble Space Telescope. The shuttle astronauts corrected the majormcj pk4d0p(x)* p/ar(sram)x 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 (g en26 xhhhzmv,2m3g4LHC) is the largest particle accelerator in the world. To which of th h,mehgvgz3422 x 6hnme following countries 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. Whab5r x 4/a2mhwt ht*w9 m18ukubt does LHC sb9 uw/r1hwt*hkm25 b amx 8u4ttand 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 in the physd..lc ij(sl6w1lvlu:ics community because of an announcement from the Lswill.(1l j:uc lv 6d.HC during the summer of 2012. Which one of the following choices best represents the reason 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 "for the theoreticepom k/8+xx 9ial discovery of a mechanism that contributes to our understanding of the origin oim+/8xk xoe9p f 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 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 the work for which kxatb(d 5h4-tu.ydyd o, +2cw the 2014 Now -yk d,42d tot( .bcuh5yxa+dbel Prize in Physics 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-su 7+r xe2i8f ffgit- community came from the February, 2016 announcement from LIGO tt-i-fesi7r+xfgf u 28hat

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