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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: 游客未登录  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 aroun( s sjo+c y8csml3i58xq v.b7jd 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 unit time without reference to a parqym(jvcc) ljjo j138-xmm e 37ticular direction is called x1y-c7j )qeoj3 v8m lmjj(c3m

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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 0sc8id3 tyfc3mx x /ek nk73+jan average speed of 50 m/s and then completes a second lap atf8e3cxti /3m+ 7jckyk0x sd3n 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 g t7a)qq3xol/:kl s d/at the constant velocity. If it continues, how far)x3a dts q :/l7k/olgq 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 j e(+i+pe, 4hp(ofh esthat is sliding at 5.00 m/s to the right across a frictionless pond. The boy then turns and starts walking on the plank at a rate of 4.00 m/s to the left, relative to the plj, h(+(4+fe ppie oeshank. 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 k 5js0 fzia0h5mm/h and 400 km at 100 km/h. What is the average speed of the motorist i 0m s0hzf5aj5on 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 motion of a toy car travelingfeu 1o x)s+pg. along the x-axis. The graph shown below ips .uo+gxe1f)s a plot of the car’s velocity in 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 refersx i)wemn.ez o ;n (3y9oha):hn to the motion of a toy car traveling along the x-axis. The graph shown below is a plot of the w).;oemae3(n9 hh)nz y: oxnicar’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 motion ouhpzq4d,5z t/f a toy car traveling along the x-axis. The graph shown below is a plot of the car’sz uz,/ 5q4hptd 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 duckrrr r0 +2u +lakx 8jtbs 74;cr2b.nppp flying due south for the winter. At what point did the duck stop its forward motionr;7lxnk2r+bp8a2p +4rj r.0u rb cp st?





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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 tg 9le:rotq6v 2 b bvi64q:at -q-nsq1refer to the diagram below which shows the position and elapsed time of a car starting from rest and uniformly accelerating in a straight line. What was the qvl-t4 a6r26qqtbo1: q9teg-v :bins 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 beltj n ,/+ttxve+0s+1h9ue rrz low which shows the position and elapsed time of a car starting from rest and uniformly accelerating in a strais091l+t rehezu++t,xtr nj/ vght 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 velocity time graph for an object with thep ,k -bpp3zwzwb2 oj du1b/ti,3:xl0y position time graph shown in the diagram at rightwp,zylk bbj3w-/zo ixpbdu ,2t : 13p0?


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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 t9 a*o-k tpz 3dtmpd i/0g4)juqo the following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floopko)*mt3du /-0zgi94a pqd jt r 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 the2ryn yoxr-p72 following information. An ideal elasticn2x r o-rp27yy 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 travel with a speed oz cmtca,v28 wq )ppoi7 kd::)uf $v$ 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 fol: nx),zz+nk-ojo g8,0o ;s,vpqnwj mw lowing 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 sz9muen/nd 3. nn9 c 5v-fk1nl fzqj53refers 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 followin3)s7d+ i,abhqe ha4 mbg 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 thei6b*r(ag )r ttci .cy* 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.
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 ljvs;6m( rip7ramp, across a horizontal table top and off the table edge. Which of the following would best represent a graph of tvpis (7;jm l6rhe 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 between distance and time for an obxi*f;b;*+kxk( w,fyj l/o vkst3hi*vject that is moving along a straight line. What is the instantaneous speed of the object at t = 5. /xj*k+t sxf;3bivhv;w *fkl, * k(yoi0 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 be:r-js1wb ewkl h/.me0 tween distance and time for an object that is moving along mhk0jweb: l re./1 -swa straight line. Between what times did the 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 objectm2ekmf y1s.pw(c3us vx* c)5t is thrown 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 speed of the object mk23cues 1.*c5p(myt fs w)xvwhen 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 repreh x:ybzz69n2*umag o9 sents a toy car starting from rest and uniformly accelerating across the floor. The mbnz6*z:gy 9ahxu2o 9time 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 s+)y7qjvm *;- rnvci watarting from rest and uniformly accelerating across the floor. The time ai ;mwayj*+ncv r)q7- vnd 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 belowb162b sqrb: aa represents a toy car starting from rest and uniformly accelerating across the floor. The time and distance traveled 1saqrb 2b6 a:bfrom the start are shown in the 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 b rjno4tk--rz +all. The position of the ball ea--4k nrzo +rtjch second is indicated.
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 unifocxc x c:h-q13+lyxe b3rmly accelerating ball. The position of the ball ea1q3+ec 3l x-xbhxc:ycch second 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 un/zhxxk2 k7/ c7kgsxx5icycle moving in a straight line is sho7k/7xh /xgcsk5k 2z xxwn 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 clownan;)lp4j ,dh:4tyla- 6ra eaj on a unicycle moving in a straight line is shown in th6a),le- palrjy a dhtja44n:;e 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 neap wc 6dies/c qy,ig w20t66cs4:c)k gxr the 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 describ oaqjv4k wzp5a hi jm,(s(4,0oes the motion of a marble on a table top for 10 seconds. For which time interval(s) did the marb4 oizj,aw 4 ,omhsjqk 5avp((0le have a negative 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 motionivz.efg5y*k):3tmdscb7ar 6vti 6) b of a marble on a table top for 10 seconds. For which time interval(s) did the marble have a positive acceleratiobz if)t7bg) t.m* 3vyr56 i vc6sd:kaen?


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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 ef)wrpn;p.(7 i hcl13fiip/f graph describes the motion of a marble on a table top for 10 secon(ei hi1f i3 wf/.;c7)prlfpp nds. What is the marbles average acceleration 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 accelerahqg,cn0h /s1c :ele2ktes uniformly from 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 with a speed7z7/mce uxzk bs)xr75 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 ns9ryax g05 nv(1 p,blcorrectly represent the motion of an object movinl pn9r x g1s(vb,y05ang 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 4fbhklf/*dt2z x+ch9graph describes the motion of a toy car across the floor for 10 seconds. What is the acceleration of the toy car at t = 42zff*xkhclt4 /+ 9 bdh 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 thu ce,i arb 10om*/js+oe motion of a toy car across the floor for 10 seconds. What was the total displacement of +s /me01u ooca*,birjthe 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 xn3q9 wuab u b,tmn6r3nlr15 /of a toy car across the floor for 10 seconds. At whatbnu539 n an6w1rrt3/ uqxb m,l 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 unifocl f;cn)pv hb.8cu j :9zzl0)qrmly from 0 km/hr to 60 km/hr in 4.50 s. Which one of the following choices best represents the af)c czuqnc.8;):j0l9zvb lph cceleration 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 curv)+i kypegg t;*)lr dj-p0u3cqe shown. Which of the following statements regarding its motion is NOT CORkjl)tu+e0qp g3c )rp - *dgiy;RECT?


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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 ver*p n mfh.em 0iqt8x-0ssus time curve shown to the right. When does the car have zero a0hpn i8m t- fsx.0emq*cceleration?


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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 tenn 7-ozcz v22x+ hmbtsamjs 4;7zis ball is moved so that the angle between the velocity and the acceleration of the ball is kept at a constant 120 degree. Which statement is true about the tennis balb7 h 7 4s2-ocvsa2m+z xjtzz;ml 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 kik ch)fixws2u-i ,cajk; 7)+e jlometers apart and traveling toward each other.c)hc-kj 7e,fiuk;+ s jw2a) ix
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 t*)7st9 hnvq+u umuy 2ahe acceleration is positive and increasinguu2 +vua7 m)qhnyt* 9s

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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 velocito lz p7s(i,i1-8xz,jso ulqc-y 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 dimensions, whicg vohsy:i7 kzrb61cd (f1db,2h one of the following choices identifies qu1ogi1h:zbk(6 vf c2d b7,y sdrantities 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:w b3os0279.ub acfx2 dmlpwq $3.0\;m$ 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-time,z 4,osni 2b oqf6q(z,i.h*p7gn)e yom $y\;vs\;t$, 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 fop8zys+j kn:u) r total time T in two parts8pk uzy+:)jns.
• 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 motion of a car onkr,sd0bn 15xn a straight track is shown in the diagram. The thick lin5snx1dk0,rn b e represents the velocity. 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 straight traca uw8f4mn3eox / m/;c i:xg-zqk is shown in the diagram. The thick line represents the a/f3u w ocmq4:-i; mz/x x8genvelocity. Assume that the car 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 hp0n+jk5;jbsgu iuqj ij,v 9/n0vz81motion of an object given by the position vs. time graph shown. For what tii ;n j0qv+/h5p, gz1kv9 bu08jisjujnme(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 gra xs1jwy )w()pe*uj ,jsph shown. For which time(s) is the)xsyj1* ( p,ws)jju we 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 acceleration vs. time graph for a fik+ r 1aae.v0in.no)4 uuef):bnu3mc vxed time in 4kv3 )b+nev0nfa o: me.)ru.anc uiu1terval of an object’s motion, 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 moves along a hor8)ckkf- f) ukkizontal 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 trikw dg2-v;df.ip 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 rest and reaches 5y,bhyslpk.k o;isz(, i 0yi4the 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 ground in a ti:ka),bu l4(a u9r ykugme 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 gr:q:g r*uro p/raph of a particle moving along a horizontal axis is shown. What is the total distance traveled by the paru:rg/pr r *:oqticle 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 correctly identiwpmorm3ruip9b/+ f-+; ,xjfx h14 itl fies all of the listed situations for which there4mpux ;9mr-f,b/rt j+pio h f1w 3l+ix 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 movi*)bffda;gl91 gtmq404wvj lo ng along a line 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 startin*lga; oldftwjb f41g)4 9vmq0g 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 thh,qleq,1f4j t;jnx3f e origin and its velocity along a line vs. time is graphed. Which one of the following choices best gives the proper interval(s) oflnt4f,,fxj3;qqj h 1e 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 thec5bx ;bqye5*8q+ir8/dbnx r q right on a horizontal track, each with constant acceleration. At an instant of time, the information about t5r*xby;eq/ib 8c+rxbqq dn58 he 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 posi6 j+tclosilm pbjl(+ 5- ni,q.tion $x$, 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 shown in the graph, which one of the followj2 d4tiei6 hvqj/ aj(3ing choices correctlvdqtii(/ej 2j36 j4hay describes the relationship between 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 descrizar25zm,a.hl1jd (af x 9c 8fybes the instants of time, at 8f rdfa9z2ljm .z(5 ,ah1xaycwhich the car and truck 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 o2);7oqq qjd oon ju,)krigin and will move along the x-axis. The acceleration vs. time graph for each car is shown. Whic q u)o)n,;qo7 ojqdk2jh 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 moving on a horiz*uc .kt)uwh5m8c 9wp/r;vtnn(im2k n ontal line is shown. At what time(s) is t 2ic;hcptwr(w v).9 n kmu nukn*8/m5the object moving with its greatest 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 along the x-axis following the position vs. times0ggh -x4a:0. li-fyt;a oqm:j3fyd x graph provided. During what time interval(s) does th:ismh g;gy xxa .fla:d-t34q0yo0jf- e mass have zero acceleration?


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