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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 arouna s*bse 8 9scatsu/26kd a circular 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 uks 2r)m035e d*wmwonenit time without reference to a particular direction is )e rko0*5wemws m 3dn2called

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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 completes one lap around a circular track at an average2poi9we)8 k:uh)pd w;h:lufe speed of 50 m/s and then completes a second lap at an avuph8 ;kw pi :f9 we:le2)hou)derage 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. If it continue+phdwr c*9)r as, how far will it tra 9+wprcarh)d*vel 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 gqt9 qpc -st.vv;j3xfc 5h2n9 on a 30-kg plank that is sliding at 5.00 m/s to the right across a frictionless pond. The boy then turns and starts walking on the pla9vs9pgh.;3v tc-j qnqx2fc5tnk 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 and 400 km:qvns3ak*x pc7,/orv at 100 km/h. What is the average speed of the motorist on this trip?sov/7qn, ckx:r a3*vp

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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 motion of oq -dxdfld +;by0. q35t+lzk za toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocity in the3qldz l+0zb+5 k qxyddf -o.t; 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 to the motion of a toy car traveling along thex gi-sbmt;(:w * nvgswju9/6v x-axis. The graph shown below is a plot of the :xv vs6bt g/msin ;-*uw gwj(9car’s velocity in the x direction, $v_x$ 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 refers to the moteb;m(1ro f rk:*,g- ai/u4puplf:o r aion of a toy car traveling along the x-axis. The graph shown below is a plot of theof,pmk a-rb1 ip/oar;g reu4(l f:*u: 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 vs. time of a orvgurf:(;,hr +; )kqc 8ndhibr 9r5uduck flying due south for the winter. At whvur;r9:bhrf(rr nk)85qdui ; co,+ hgat 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 position and z)w s8 hg/jol40 hi.foptig*5elapsed time of a car starting 0z/8.j5 gt4oig)hf*sh i lpow from rest and uniformly accelerating in a straight line. What was the average 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 the diagram btj 1jj,.uq5gd7 q zp7(pvb(sa elow which shows the position and elapsed time of a car starting from rest and unifortvb d((5pujp 7j.qzjags71 , qmly accelerating in a straight line. The average acceleration during the 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 vel hh9/gqe -3*lhrmp5ggd/o id/ ocity time graph for an object with the position time graph hgr 5/ /g3dlo*iq/m hde9g-hpshown in 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 referpso5atpw 2 xdc(0q(1d to the following information. An ideal elastic rubber ball is dropped from a heiwpo(d q0c 2(ap1t5sxdght of about 2 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 following information. An ideal elapag ,h8/ p9a: y0 kxw(i0yrkx c3ljbg;stii;gr8:p x, yhkcy9 wj0a(g/0xbalp3 kc rubber ball is dropped from a height of about 2 meters, hits the floor and rebounds 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 fhr go n),x3n--k;f ;wbnat1rtravel with 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 following scenariobrt-imiyx6nk u7mtm i5g7q/+e v ;y: 2: 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 re tzxqk6 p9ul-)fers 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.
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 refers to the following scenario: bsum214j*4 +oxzps6khab we,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 follow nse0)8t+2edezy;+ a bvp9raf ing 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 81so;a 5 ka l-8npbiu,2ce 5/s mhxqfjtop and off the table edge. Which of the following would best represso qabcm5,18a 8xsl k;eph-n jui 52f/ent 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 belu9w30:j . (5wbnaomykz.,q y,ita ajtween distance and time for an object that is moving along a straight line. What is t. 5 3,nywmj,a0ai9( joq zlt.kuwb:ayhe instantaneous 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 bz0si wqima-9b8s+v0 b etween distance and time for an object that is moving along a straight line. Between what times did ti vwb+0s0abmi 8z9q-she object have a non-zero acceleration?


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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 straight downward /fz7r4 1,t33qt mn+jcsm iwqion Earth with an initial speed of 12.0 m/s from a position 10.0jst fq1m4 3tnwc7/r zi ,q3+mi m above the ground. Ignoring air resistance, the speed 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 s)- 73 eyqytafrrub h:5tarting from rest and uniformly accelerating across the floor.yryt u37a-rq 5e)hb :f 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 from rl)c1wc n,rn64yp aeh:est and uniformly accelerating across the floor. The time and distance traveled froman r:h1y,6)c cn4wlpe 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 represte3i dwo/:5lqp 6tqj;ents a toy car starting from rest and uniformly accelerating across the floor. The time and distance traveled from the start are shown in tit:l6w pjtd5q/eq; o 3he 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 shows a uniformly accelerating ball. The ptq kyd68m apw0mdfw;xhh);49 osition of the ball each second is 8mwy4t;6qmw 0 xpdk h) ;fadh9indicated.
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 bsjye0t3,wzu8qcwc(h * 8zd g9all. The position of the ball each secondech j(0zus y, 8cdtqw9 38*wzg is indicated.
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 on a unicycle moving in a straighe-v8 pg8 7h-a2zjgkx * sa-kict line is shown8pkge --hx-caz j7va 2k8sg *i in the graph 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 circus clown on a unicycle moving in ko:vgwb aer676 h,eiy a0p1g, a straight line is shoro :7i by 6v,hg6ekgaw0ae1,pwn in the graph below.
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 th3. dgo8jaih dptq4-9 mql3: whe surface 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 thn 6 et6w2yhekk;p k::heyn. 3we motion of a marble on a table top for 10 seconds. For which time interval(s) did the marble have a negati e hnw:e6k2p h:t;yn6k3ywe.kve 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 describes the motion of a marblexk1wr/ x) 3hpf on a table top for 10 secon1w )xkhr 3fxp/ds. For which time interval(s) 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 accompanyingqxr- . jhz c7fvs./i* 8l0q lme;5jbqm graph describes the motion of a marble on a table top for 10 seconds. What is the marbles average acceleration between t hj* -7e0ib5.qq8j lxz l m /;crqmvf.s= 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 9 ;(o0 iuzn9syh;jfjwfrom rest for 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 withvc4 c4m 9rx2lhe jln;yroz9)y:.vt .p a speed 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 coulduft g+h (qrgcwt2:2/ a correctly represent the motion of an object moving with a constant speed in a straight li hr /utgga(2+f2qc:t wne?


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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 motion of a toy car acrd47:06 n3e ptwdhc uu dk/)l9qrkvo8 doss the floor for 10 seconds. What is the acceleration of the:nv97k dd)oekd4d0 683tuuhq lcr/pw 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 the motion of a toy6 .+ 0iq6in wuxg hdlf13r+*1ialaamy car across the floor for 10 seconds. What was the total displacement of the a 10l+iqx hl1dr3mu6iiw nfga*+ay. 6toy 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 toy car across the flo 5kmshd ik3-fs 6ek)8sor for 10 seconds. At what times oms3s d)6 5es8i-kkkf hr 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 uniformly p(w8iarc33/e gz/utc,/h axsfrom 0 km/hr to 60 km/hr in 4.50 s. Which one of the following choices best rez8htseu , wca3gip a/3 cr(//xpresents the 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 curve shown. Which of tt s ychn;reft3 .; am7vxx0 ebz*-nb96he following statements regarding its motion is NOfytnb zvx06tarbc9x.n ; ms- *7h3ee;T CORRECT?


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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 according to the velocity versus time cu g4/siwsp u87e/71.l)tomzd afhjy:f rve shown to the right. When ljtmw:zp/sh aof4 8f ysi71ugd/7)e . 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 time, a tennis ball is moved so thc+i dnsg*ye 07zv7t.lat the angle between the velocity and the acceleration of the ball is kept at a constant 120 degree. Wht nl7s*dv70ic+gze.y ich statement 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 apart and traveling toward e dra y6 -yi/8l:9st f7fv c3ynioj g/r7eyt9s/ach other.7yn/ttg 9fy:i9 fv6sod/ ry38 l7-sea rj/ yci
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 q48w9teq yzb;; 1b *nqpafgu/ /a) ehix-axis. When the acceleration is positive and inc;e b94i azqq n) ehyfu/q8;1atpgwb /*reasing

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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/yrsvyv:i1(eebeetv) nn +32 average velocity 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 two dimuu3u03w+z n wphm2zo (ensions, which one of the following choices identifies quantoz3n 3huu +muw(p02w zities 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 moves gcor -q,* bocoi 20uc.$3.0\;m$ 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- cq 7.:mvsjo3ftime, $y\;vs\;t$, 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 time T*/ do to;xqj)j in two parts. q/t);x jjood*
• 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 tfey51vz+74v6 aieu nfor the motion of a car on a straight track is shown in the diagram. The thick line represents the velocity. Assume that the u nv evz 647+eiy1fat5car 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 ci dohhgg 0 i9e5;i73gwar on a straight track is shown in the diagram. The thick line represents the velocity. Assume that the car7e0i;ihgh 53dogi 9 gw starts at origin $x=0$. 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 motion of a*ii,nbz d rqsf-) iqbe0t.+ t3n object given by the position vs. time graph shown. For what tiz0t -f,qqi s3)eitib bdr*.+nme(s) is the speed of the object 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 motion of an object given by the velocity vs. time grapzvex 7 ,u5sbc9h shoc,vx7 e5ub 9szwn. 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 under the accelerationloj2;wnw om 9/ vs. time graph for a fixed time interval of an object’s motion, what quantiwn/l9wo jm;o2ty 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 moves along a horizonln(6n3 :e8l .nz2 gjh9 jn ajnkm:7eyutal 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 a7d9vd8v4fon j trip 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 released from resh+k 5o00stxlv 8 yb09l4speqst 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 reachevk,ht )xp1qrnyl.;, 2 :h pjbas the ground 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 parti*hi 6 f)s e0uk;/ccrkicle moving along a horizontal axis is shown. What is the total distance traveled by the particle from t=0 to t=/e)ir;i h uc6fkk0*cs10s ?


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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 t *l-ixboy ypp+4pnp* 0he following choices correctly identifies all of the listed +4- plb0i*ypo*pxn pysituations for which 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 uwlh (r+dco2/u/ xji 06ku7yyline is shown. The object starts from rest at time t=0 s. At what time(s) does the object attain a maximum displacement from its starting pouoj0cy7 uw2/rl x h(i/d+yu6ksition?


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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 linf:u /y;o*izwaacp 0* y3crm m7e vs. time is graphed. Which one of the following choices best gives the3:y ac;zf ui7 0y**ormac /pwm proper interval(s) of time for which the object is moving away from the 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 th w: cs;j*vd2nce right on a horizontal track, each with constant acceleration. At an instant of time, the information aboutj2csw n*c:; dv 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 positiom n,cw9iin6l8n $x$, 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 entirec myz)7fd) 9yc time shown in the graph, which one of the following choices correctly describes the relationship betweecy) yz9cd fm)7n the 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 describes the instan*zewtd j71 4bnts of time, at which the car and tb n7e4 1jtwdz*ruck travel with the same 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 will move s)s+mia+t w:nalong the x-axis. The acceleration vs. time graph for each car is shown. Which +)asism t:+ nwone 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 moving on a horizontal line isb/pes h, l81ff shown. At what time(s) is the object moving with its greateshb8 pef1,ls/f t speed?


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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 alow)mq9v yx,7hp ng the x-axis following the position vs. time graph provided. During what time interval(s) does the mass 9 v7qpyw,)xm hhave zero acceleration?


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