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习题练习:Physics Bowl by Topic 2: Kinematics - part I General Motion



 作者: admin   总分: 72分  得分: _____________

答题人: 匿名未登录  开始时间: 24年03月31日 09:50  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.10: A particle travels at a constant speed around a circulam vouzp+,d4upk + (c2 a:fd0xfr path of radius $R$, if the particle makes one complete trip around the entire circle, what is the magnitude of the displacement for this trip?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.01: The change of distance per unit time without reference t,*o9hs hy/;dh pqssi 4o a particular directi shq pdss/*4i,;hhy9oon is called

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.29: A vehicle complm8b950whz.g7fxyjj+ ovn 3ac etes one lap around a circular track at an average speed of 50 m/s and then comgf+ 89wn0 jhboy 3vmacx7z.j5 pletes a second lap at an average speed of $V$. The average speed of the vehicle for the completion of both laps was 80 m/s. What was the average speed $V$ of the second lap?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.03: A toy car moves 0.80 m in 1.0 s at the constant velocity.3*v6hrjj 9wib If it continues, how j3i9v jwh6r*b far will it travel in 3.0 s?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.34: A 40-kg boy is stationary on a 30-kg plank thafukgnp/vw u 8hr91 h)uf*xh ,r gbo3+39nnv 8ft is sliding at 5.00 m/s to the right across a frictionless pond. The boy then turns and start 9 h3vwu n9+)ur *1hxrnhb8fpf8 gkouf3/ngv,s walking on the plank at a rate of 4.00 m/s to the left, relative to the plank. What is the speed of the plank relative to the pond now?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.18: A motorist travels 400 km at 80 km/h andc6qtf l gw *-()ijtlm2 400 km at 100 km/h. What is the average speed of the motori jlwmq6*f2ttilg-c()st on this trip?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.20: This question refers to the a0gbq(o) 56vddo fd-kmotion of a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocity inko-ab d5o)qf6g vd(0d the x direction, $v_x$ versus time $t$.
During what time interval was the car moving towards its initial position at constant velocity?


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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.21: This question refers t86*/ihxc8wktv yh+ n wj2.(pem 2q1ft1 mwuzto the motion of a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocity in the x direc1wwmn1h wkq2*efxc/p2t( th uv+.zmti j688ytion, $v_x$ versus time $t$.What was the acceleration at 33 s?


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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.22: This question refer2rxi nm+47o sks to the motion of a toy car traveling along the x-axis. The graphiso4x 2+m rk7n shown below is a plot of the car’s velocity in the x direction, $v_x$ versus time $t$.
How far did the car travel during the first 15 seconds?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.15: Given the graph of the velocity n9ny w63y wwf:vs. time of a duck flying due south for twn 9n:w63wy fyhe winter. At what point did the duck stop its forward motion?





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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.17: This question refer to the diagram below which shows the pok4et y3 mdua04sition and elapsed time of a car starting from rest and uniformly accelerating in a straight line. What was the averag34uk4me0 d yate velocity of the car during the third second?


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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.18: This question refer to zsd .7zn9 dx)x6oki ifo 9hl+ju9+6 vvthe diagram below which shows the position and elapsed time of a car starting from rest and uniformly accelerating in a straight line. The average acceleration during thv .dkizvdh9sfzo+6x 7x i 6luo)9j+n9e entire 3 second interval is closest to


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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.20: What is the shape of the velocity time9k gdbpg )kue4.o ff kx+(q19o graph for an object with the position time graph shown i+1 eg9gk94 f).d(uqxf oob pkkn the diagram at right?


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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.28: The following question refer to the following information. ,nre x-su4z 4pAn ideal elastic rubber ball is dropped from a height of about ,sexzup4-r 4n2 meters, hits the floor and rebounds to its original height.
Which of the following graphs would best represent the distance above the floor versus time for the above bouncing ball?


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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.29: The following question refer to the.om0*th2 m;q pamz ai2s1pg(e following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and reboun aamsep;hgq 0. 2(i2omt1zp*m ds to its original height.
Which of the following would best represent acceleration versus time for the bouncing ball?


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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.39: If a boat can travel witr 7(mr*bb 4 hap j6a,qw,lzbi)lm5*j kh a speed of $v$ in still water, which of the following trips will take the least amount of time.

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.01: The question refers to the follwd8ewz*1vcccj 83z5b 1wtb 5k,/nb nyowing scenario: At $t_0$, two cars moving along a highway are side-by-side as they pass a third car stopped on the side of the road. At this moment the driver of the first car steps on the brakes while the driver of the stopped car begins to accelerate. The diagram below show the positions of each car for the next 5 seconds.
During which time interval would cars #2 and #3 be moving at the same average speed?


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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.02: The question refers to the followinfz 0(o3:eirj ng scenario: At $t_0$, two cars moving along a highway are side-by-side as they pass a third car stopped on the side of the road. At this moment the driver of the first car steps on the brakes while the driver of the stopped car begins to accelerate. The diagram below show the positions of each car for the next 5 seconds.
About what position after $t_0$ would car #1 and car #2 have been side by side?


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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.03: The question refen t.hxxvss77 (rs to the following scenario: At $t_0$, two cars moving along a highway are side-by-side as they pass a third car stopped on the side of the road. At this moment the driver of the first car steps on the brakes while the driver of the stopped car begins to accelerate. The diagram below show the positions of each car for the next 5 seconds.
Which of the three cars had the greatest average speed during these 5 seconds?


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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.04: The question refers to the follokz-ti hwh p5qj1( i+j4wing scenario: At $t_0$, two cars moving along a highway are side-by-side as they pass a third car stopped on the side of the road. At this moment the driver of the first car steps on the brakes while the driver of the stopped car begins to accelerate. The diagram below show the positions of each car for the next 5 seconds.
If car #3 continues to constantly accelerate at the same rate what will be its position at the end of 6 seconds?


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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.33: A small ball rolls down a ramp, across a horizontal table top a hdlqzx;8y d56nd off the table edge. Which of the followingdd;y8l6x qz h5 would best represent a graph of the magnitude of the ball's acceleration vs time?


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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.01: The graph represents the relationship 43oobq /la) j/hm;f 8 wa0siajbetween distance and time for an object that is moving along a straight line. What is the instantaneous fi3o/wao0aam; j/sq)8hj bl4 speed of the object at t = 5.0 seconds?


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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.02: The graph represents the relationship between da(vl )5o,-- jrcho hkyistance and time for an object that is moving along a straight line. Between what times did the object have a non-zero acceleroyhjc oa5 kr(,v-h )l-ation?


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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.07: A small object is thrown oe0 gcm)3.b nrd ,dbt,straight downward on Earth with an initial speed of 12.0 m/s from a position 10.0 m above the ground. Ignoring air resistance, the speedbeddm.g30b,)nrt,c o of the object when it reaches the ground is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.11: The diagram below represents a toy car starting from nbp 0r7zm,4xca5exu:8 j. j5gbcm77iiz) xgr rest and uniformly accelerati .50cjj)g5mi7bigazr:x7 n7 u,zmbexcx48 rpng across the floor. The time and distance traveled from the start are shown in the diagram.
What was the average speed of the cart between 0.1 seconds and 0.3 seconds?


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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.12: The diagram below represents a toy car starting frol+ufd15 vj3 * he0y5e*rqkbkv c,ufy; m rest and uniformly accelerating across the floor. The time*e+ qffkc51lu bhjykve u,* dr; 50yv3 and distance traveled from the start are shown in the diagram.
What was the acceleration of the cart during the first 0.4 seconds?


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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.13: The diagram below represents a toy cd7 tv 5.-oyaguar starting from rest and uniformly accelerating across the floor. The time and distance traveled from the start are shown in tgvu7dt y5 ao.-he diagram.
What was the instantaneous velocity of the cart at 96 centimeters from the start?


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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.08: The diagram showwx 1g4o)nfx, cs a uniformly accelerating ball. The position of the ball each second is indicao cf )x4w1ngx,ted.
What is the average speed of the ball between 3 and 4 seconds?


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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.09: The diagram shows a uniformly accelerating ball. Th*)lodazyf3ac/skx,637t ss we position of the ball each second is in zadx,3wtl osy7fakc*6s /)s3dicated.
Which of the following is closest to the acceleration of the ball?


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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.17: The motion of a circus clown o7vmkof: q*myz09z p 7nn a unicycle moving in a straight line is shown in the gpy m9 fqmo*7 zk0:7zvnraph below.
What would be the acceleration of the clown at 5 s?


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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.18: The motion of a cirp:x+t,elp2 p rcus clown on a unicycle moving in a straight line is shown in the graph belop elp+, r2xtp:w.
After 12 seconds, how far is the clown from her original starting point?


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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.04: When an object falls freely in a vacuum near the suryez y-* ch;)a zu: dn8lvju;tm6vs0l )face of the earth

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.11: The accompanying graph describes the motion ;9fd *oevs16 wtic16hl3lhx;w( od1r ihx s9jof a marble on a table top for 10 seconds. For which time interval(s) did the marble have a negativooxxrh 1fhswved ltw1(cl 3 *69id;16si9j; he velocity?


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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.12: The accompanying graph dex r rzyx,;702jpig.j*s eixx 6scribes the motion of a marble on a table top for 10 seconds. For which time interval(s)r y xz xx.j0exsp6i;j,72ri*g did the marble have a positive acceleration?


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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.13: The accompanying graph describes th9h htlp q-/0bee motion of a marble on a table top for 10 seconds. What is the marbles average accele9/ 0- hleqhbptration between t = 3.3 s and t = 3.8 s


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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.20: A car accelerates uniformly from rest fexp *.kkvdgx. 5p/wv/or a time of $2.00\;s$ through a distance of $4.00\;m$. What was the acceleration of the car?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.06: An object, thrown straight downward with a spee7pdm:ew : qx7xd of $20.0\;m/s$, takes $2.00\;s$ to reach the ground below. From what height above the ground was the object thrown? Ignore air resistance.

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.03: Which of the following graphs could correctl g w4z d5djj9e*q2 xvdbfg+-9ay represent the motion of an object md-g5dzge a +x929bdwqf vjj*4oving with a constant speed in a straight line?


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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.24:The accompanying graph describes the motisvhl7z tt) i,c0 k2zv)uuzf;1on of a toy car across the floor for 10 seconds. What is the acceuhc1lzktv7)v0;) zs fu 2izt, leration of the toy car at t = 4 s?


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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.25:The accompanying graph describes :eo1 19ik0taz/ : kjnm tf7zqso2hap+the motion of a toy car across the floor for 10 seconds. What was the tothj7t:p1m0:+zk/oie2 zoq f a9a1 ktn sal displacement of the toy car for the entire 10 second interval shown?


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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.26:The accompanying graph describes the motion of a(mn wb0/m8vuti x f;/d toy car across the floor for 10 second twm/fbuv(/d ;in0 m8xs. At what times or time intervals must the net force on the toy car be zero?


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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.03: A car accelerates uniforpu fy7u*/mdj3 vr9r+rmly from 0 km/hr to 60 km/hr in 4.50 s. Which one of the following choices best represents tu3r*mpdv u+9/ry f7jr he acceleration of the car?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.07: A car has the velocity versus time 6ouxd3i9;c i55ncuqlcurve shown. Which of the following statements regarding its motion is NOT CORRECTqu5 c3o9l 5xnci;d6 iu?


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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.17: A toy car moves along the x-axis accordxk:l p so;wnqtc20pt8*q )sc5ing to the velocity versus time curve shown tnq lpp;5:cs c* 82otw)ksq0 txo the right. When does the car have zero acceleration?


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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.22: During an interval of dj a7 ;uk1+rgytime, a tennis ball is moved so that the angle between the velocity and the acceleration of the ball is kept at a constant 120 degree. Which statementjr ad;u 1kgy+7 is true about the tennis ball during this interval of time?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.03: Two automobiles are 150 kilometers t*oj,csqm798 c : mmtcapart and traveling toward each other.qocj*m 78cttms: ,m c9
is moving at 60 km/h and the other is moving at 40 km/h. In how many hours will they meet?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.04: A particle moves on the x-axis. When the acceleratiolm 0vt p90r4a7vvaqksi61 tq)gj; g2i n is positive and increasingias2p4 q9 ag6t7 )q l0jv1;tkr mgv0vi

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.12: The definition of average veloce9g 4v cl.xce6t91fi5t d9xs sity is

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.18: For any motion in twopsi:;v7 1 lnan dimensions, which one of the following choices identifies quantiti1v ;7anlpn:sies that must have the same direction?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.17: A toy car movevzuu o/*+dmf+ kkm)f.a +vqs( s $3.0\;m$ to the North in 1 second. The car then moves at $9.0\;m/s$ due South for 2 seconds. What is the average speed of the car for this three second trip?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.05: The position-ti o 6vm*9e:mlkmme, $y\;vs\;t$, graph for the motion of an object is shown. What would be a reasonable equation for the acceleration that would account for this motion?


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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.31: A car moves to the right along a one-dimensional track for total tifs66l-i9 utt +t ale)qme T in two patq l6 -tei9s)6tfu +alrts.
• Part One: The car maintains constant non-zero speed V for the first $\frac{3}{4}$ of the total time.
• Part Two: The car accelerates uniformly to rest during the last $\frac{1}{4}$ of the total time.
What is the ratio of the distance traveled during Part One of the trip to the distance traveled during Part Two of the trip?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.23: The velocity vs. time graph for the motioy:f ,o kxy*fw,ntsw;dzjelr 5..t ;,zn of a car on a straight track is shown in the diagram. The thick line represents the velocitr* o wt.fdj z,yxs;fl.:e,,w5; ynkzty. Assume that the car starts at origin $x=0$. At which time is the car the greatest distance from the origin?


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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.24: The velocity vs. time graph for the motion of a car on a stra2zuwn/gz f:;:2g fa il.1 pgtqdw-s6 qight track is shown in the diagram. The thick line represents the velocity. Assume that the car starts at osa2 g 2:uqtngd16z q .wpl:fw;gzif/-rigin $x=0$. What is the average speed of the car for the 10 second interval?


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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.08: Consider the motiojzeh gewhju7c9)5- h+j edt4(n of an object given by the position vs. time graph shown. For what time(s) is the speed of the objecd5e wj( 9)gt hjheuz7+ejc 4-ht greatest?


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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.11: Consider the motijuv 1q+d/3vymon of an object given by the velocity vs. time graph shown. 3d1uv qmyj+/v For which time(s) is the acceleration of the object equal to 0?


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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.24: By computing the area undsalon(1h4w k. er the acceleration vs. time graph for a fixed time interval of an object’s motion,no.la4 1 kswh( what quantity has been determined for that object?

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.08: An object move: v rxz.+yab .,h0pueqs along a horizontal line with increasing speed.
choices could represent the signs of the velocity and of the acceleration for the object to achieve this motion?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.14: A car makes a ggjrx2h dm7/64 +egeh,j4 lt utrip in two parts:
Part 1: it travels a distance of 800 m at a constant speed of 4.0 m/s.
Part 2: it travels a distance of 1200 m at a constant speed of 20.0 m/s.
What is the average speed of the car for the entire two-part trip?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.02:A small object is 6mvfp 5yoe vz6cic1,2*mm:l d;iy ez 7released from rest and reaches the ground in a time of $2.50\;s$. Neglect air resistance. With what speed does the object reach the ground?

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.03:A small object is released from rest and reaches the g,io nrjf9 6n, cvg+(ih** jsnoround in a time of $2.50\;s$. Neglect air resistance. From what height above the ground was the object released?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.17: A position vs. time graph of a particle moving along a horizontal axis i-8t(hiyn6 5df8gz 5thn h9t bos shown. Wzny6nfht(b9h o5-88th 5igtd hat is the total distance traveled by the particle from t=0 to t=10s ?


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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.18: Which one of the following choices cfgy*sr+pbilmc(3o(8oirk 7 8 orrectly identifies all of the listed situations for p (7+8si o8r3yrif moc(gb* lkwhich there is a non-zero acceleration?
Situation I : A point object moves in a straight line with increasing speed.
Situation II : A point object moves in a circular path with constant speed.
Situation III: A point objects moves in a circular path with decreasing speed.

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.32: An acceleration vs. time graph for an object moving along a line is show4nb ddge 9aqlv)w- 9z1n. Taqdd -wg)e1 blnvz 994he object starts from rest at time t=0 s. At what time(s) does the object attain a maximum displacement from its starting position?


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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.17: An object starts at the origin and its velocity along a l7)a)ac 9 dm k8m*pkxvline vs. time is graphed. Which one of the following choices best gives the proper interval(s) of time for which the object is moving away from thm pckkx8 )9d* )mal7ave origin?


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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.09: Two cars are moving to the right on a horizontal trtzafume ; :4 82oqls98traa .xack, each with constant acceleration. At an instant.8ao aaet 8qs;r :m 9xzt2ufl4 of time, the information about the cars is shown:
Car #1: position = 125.0 m; velocity = 13.0 m/s; constant acceleration = $1.5\;m/s^2$
Car #2: position = 80.0 m; velocity = 9.30 m/s; constant acceleration = $5.5\;m/s^2$
During the next 1.0 second of motion, which one of the following choices best represents what happens to the distance between the cars?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.14: A particle has a posmy q3g69bmk oh1vdqpd,ww;0mf jc/f8)1,ztt ition $x$, as a function of time $t$, given as $x(t) = -15 - 25t + 10t^2$. Which one of the following choices represents the magnitude of the particle’s acceleration? All quantities are expressed in base SI units.

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.41: For the entire time shc5lwfpbqaz7(f9k-9vr ;tr k/own in the graph, which one of the following choices correctly describes the relationship between t (9z5 klfbtp7fcarqvw r; k/9-he average speed of the truck to that of the car?


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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.42: Which one of the following choices best describe,jmaof;hsp+ - t/7xq v.kdh0ps the instants of time, at which the car and truck travel with the dfq j.mp -h v+atk;oh,p07/ sxsame speed?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.30: Two cars P and Q, each start from rest at the origin and ww slollud9nls9eq2: ;;7jad6ill move along the x-axis. The accel usell9l 7:lj 9s;oqawn6;d2deration vs. time graph for each car is shown. Which one of the following choices correctly identifies the relationship for both the speeds $v$ and the positions $x$ of the cars at time T?


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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.02: The position vs. time graph of an object movlkevv xbq2y6 wk7; e53ing on a horizontal line is shown. At what time(s) is the object moving with its greatest sp vx 7kv5ekbw6yl 3qe;2eed?


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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.08: A mass moves along the0k6h)q 8s rw,zqsoe .koi);j1i t.vuku+g.q i x-axis following the position vs. time graph provided. During what time interval(s) does the mass have zeuoij 1kqr0 ekt)s 6w.vz g).ik+ q;qs,uo8 ih.ro acceleration?


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