10.10: A particle travels at a constant speed around a circular path borrg5hxg7o( mj/ r:ia )b 91fof radius $R$, if the particle makes one complete trip around the entire circle, what is the magnitude of the displacement for this trip?

  99.01: The change of distance per unit time without referenceoh,p wb*7,1cvk wxcar+5 p +wh to a particular directiph vw,h px1 a5 wr+b*c7+kw,coon is called

  12.29: A vehicle completes one lap around a circular track at an fv cdoidt+ yo2n.11* waverage speed of 50 m/s and then completes a second lap at an average1f o*+tw y2vo1.cdnid 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?

  95.03: A toy car moves ) 1fz(b1bw lby m0brj-0.80 m in 1.0 s at the constant velocity. If it continues, how(fbb ) lz1b rwjb0my-1 far will it travel in 3.0 s?

  05.34: A 40-kg boy is stationary on a 30-kg plank hla, .+wn.ulzthat 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.u llnza+w,h..00 m/s to the left, relative to the plank. What is the speed of the plank relative to the pond now?

  97.18: A motorist travels 400 km at 80 km/h and 400 km at 100 km/h. :jr9wyv1:j v dWhat is the average speed of the motorwj: jrv1yd:v9ist on this trip?

  97.20: This question re 1wt+7s1ykrg0oqrvw ) fers to the motion of a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocity ins 10)1vr+ qw7kgw ytor the x direction, $v_x$ versus time $t$.
During what time interval was the car moving towards its initial position at constant velocity?

  97.21: This question refers to o o 1(v/tpg0,fsm6a5 s6otdajz8n6rnthe motion of a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocity io(j58tp 1ns6o0sgrd6,z6aam o t /v fnn the x direction, $v_x$ versus time $t$.What was the acceleration at 33 s?

  97.22: This question refers to the m7vixqv9s 01xs u:fv5e otion of a toy car traveling along the x-axis. The graph shown below 0i v7 vssexxu95:q1vfis 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?

  99.15: Given the graph of the velocity vs. time of a duck flying due south for n:a wyr(ok76bpk w .y2the winter. At what point d(k pbwro.kn76 wy:y 2aid the duck stop its forward motion?

  99.17: This question refer to the diagram below which shows the position and e d as3upi9kzf;um s7,4lapsed time of a car starting from rest and uniformly acceleratinf3p, uus i4zkm97;sd ag in a straight line. What was the average velocity of the car during the third second?

  99.18: This question refer1kx pc0alc2 o /nbi/h7) ycddsc(zf7; to the diagram below which shows the position and elapsed time of a car starting from rest and uniformly accelerating in a straight line. The average ad zscxoa02fcc;1 c idh//np7(7 )l kybcceleration during the entire 3 second interval is closest to

  99.20: What is the shape of the velocity time graph for an object with the 7kjvd5gyoz , :7jsw2tposition time graph shown in the diagram at right7stz 5vj d,yw2o j:gk7?

  00.28: The following question refer to the following information. An id :eapoefo. nn7jc *k)-eal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebounds to :ne *on).c-akf7 jeopits original height.
Which of the following graphs would best represent the distance above the floor versus time for the above bouncing ball?

  00.29: The following quekedvxma5 *i02 ,5wuu mh 3 +schra6jz:stion refer to the following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebounds tovm+*6ud z 2 a,ajs :hk3x muhc5re05iw its original height.
Which of the following would best represent acceleration versus time for the bouncing ball?

  00.39: If a boat can travel with a speed cvdpvwmkz3f.l/m z 36bcq02yw + vg;bx ;u2-l of $v$ in still water, which of the following trips will take the least amount of time.

  01.01: The question refers to the following scenarit k9 9w 6,wxx*:nlpq8hsbw+vpo: 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?

  01.02: The question refers to the followitmf4d y 7ym ;gqm(8f:hvu:a.f 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?

  01.03: The question refers:-yq5 dq.qqfa 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?

  01.04: The question refers to the following scenuo 8,j*kf-c2(lwnd he ario: 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?

  01.33: A small ball rolls down a r3 3xe+t(og+ofkb y wl1amp, across a horizontal table top and off the table edge. Which of the following would best represent a graph of the magnit3w+o 3 ybetkxl( fo1+gude of the ball's acceleration vs time?

  02.01: The graph represents the relationship between distance a+rc jod(5r-h,acrus/sj: k8s nd time for an object that ic(rrs+ac,k j sho-8 uj5 /rd:ss moving along a straight line. What is the instantaneous speed of the object at t = 5.0 seconds?

  02.02: The graph represents 0lmfa h57e +5-yjtbply (633znygz ni*g)qnsthe relationship between distance and time for an object that is moving along a straight line. Between what times did the object havey+j-ggpzqzs t fh miy0 e7n6b3 3nl5n)(5ayl * a non-zero acceleration?

  10.07: A small object is thw55stf ts* hn3rown straight downward on Earth with an initial speed of 12.0 m/s from a position 10.0 m5 swtf*ntsh35 above the ground. Ignoring air resistance, the speed of the object when it reaches the ground is

  02.11: The diagram below represents a toy, 1zzb..jh c0p3arluk car starting from rest and uniformly accelerating across the floor. The time and distance traveled from the start are shklhbj pz. 0azu.r, 3c1own in the diagram.
What was the average speed of the cart between 0.1 seconds and 0.3 seconds?

  02.12: The diagram below represents a toy car starting from rest a;**l z pq3u askt2in-xlb6y+ jnd uniformly accelern* 2lq+;zt6* kius-ybx3lj pa ating across the floor. The time and distance traveled from the start are shown in the diagram.
What was the acceleration of the cart during the first 0.4 seconds?

  02.13: The diagram below represe ,qwn/;khu1h gtq;q obex )(42p +duvqnts a toy car starting from rest and uniformly accelerating across the floor. The tim,o2 ;nxk4h1(q bt/equ)guhvqpdwq+ ; e and distance traveled from the start are shown in the diagram.
What was the instantaneous velocity of the cart at 96 centimeters from the start?

  04.08: The diagram shows a uniformly acceleray-/2 7gn+cbkpwfqlqu q 2g g*(ting ball. The position of the ballw7q gl kqy2u-gg/ +f* q2bp(nc each second is indicated.
What is the average speed of the ball between 3 and 4 seconds?

  04.09: The diagram shows a uniformly accel:n,me 26-zhf ( iskug h*qch;pex5lvqde b2 -2erating ball. The position of the ball,(2cp-s6 5quhe 2-l:end*x eviqhgkm h;zf2b each second is indicated.
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a cixixo:d5z7h )v8ijdf x (3l t*frcus clown on a unicycle moving in a straight line is shown in the graph belox h:xx5 *i)fj t7d8l fizd(v3ow.
What would be the acceleration of the clown at 5 s?

  02.18: The motion of a circus clown on a unicycle moving in a straight li nke0mm-gno20eg ( (bzne is shown m ng0(ngbe zoke0 -2(min the graph below.
After 12 seconds, how far is the clown from her original starting point?

  03.04: When an object falls freel 8wu;q; 0lxzkhy in a vacuum near the surface of the earth

  03.11: The accompanyin)s )h+f mz.sml6ipczq 6c+r7ng graph describes the motion of a marble on a table top for 10 seconds. For which time interval(s) did the marble have a negative velocity76q6rzm mc+s.z+spil )nh fc )?

  03.12: The accompanying935e:io skh;rp5hh gh graph describes the motion of a marble on a table top for 10 seconds. For which time ints 9 pe5:5gh;k3hh rhioerval(s) did the marble have a positive acceleration?

  03.13: The accompanying grapd 6ca+e5ppmg :h describes the motion of a marble on a table top for 10 seconds. What is p a5ed :+c6gpmthe marbles average acceleration between t = 3.3 s and t = 3.8 s

  03.20: A car acceleratebx 4+q)qre4 lp8ibo 8rs)o: vas uniformly from rest for a time of $2.00\;s$ through a distance of $4.00\;m$. What was the acceleration of the car?

  16.06: An object, thrown straio. qv7/j6b vxl*8le-;y oul raght downward with 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.

  04.03: Which of the following graphs cov5mn-5-uru 5 3z h/w;s awyqwculd correctly represent the motion of an ow h5v3; yuq mwan5uc/sr- 5-wzbject moving with a constant speed in a straight line?

  03.24:The accompanying graph describes the moti.xnbd1) /fyt2a) fd zuon of a toy car across the floor for 10 seconds. What is the acceleration of the toy car b1dznf)2 txyaud). /f at t = 4 s?

  03.25:The accompanying graph describes thf8tz /c ;hn-tee motion of a toy car across the floor for 10 seconds. What was the total displacement of the toy car for the ent-te/; 8 fhczntire 10 second interval shown?

  03.26:The accompanying graph describes the motion of a toy car across the flj,;9sve b5fi9ye mh.foor for 10 seconds. At what times or timef95fhsveiy9. j;m eb, intervals must the net force on the toy car be zero?

  16.03: A car accelerates uniformly from 0 w40en2dpsn3 z km/hr to 60 km/hr in 4.50 s. Which oneewnsd2 0nz4p3 of the following choices best represents the acceleration of the car?

  06.07: A car has the velocity versus timuzdibr /:m-e 5e curve shown. Which of the following statements regarding itsr -5me/ubz:i d motion is NOT CORRECT?

  07.17: A toy car moves along the x-axis according ;+qn8lgwm +r+b g3kd5n frxy+rs,dr9to the velocity versus time curve shown to the right. When do+,g;589rrbdsnr mk+ gf3xwr dl++qn y es the car have zero acceleration?

  06.22: During an interval of time, a tennis ball is moved so th 07ogh).ite 5hfefhf w0bh0h/at the angle between the velocity and the .h0f 5)e7ihgho0fwh bh e 0f/tacceleration of the ball is kept at a constant 120 degree. Which statement is true about the tennis ball during this interval of time?

  07.03: Two automobiles are 150 kilometers apart and traveling toward each uzh*n(t (kp-pfk x+3 cother.kn+ 3fkx((zp uhct*- p
is moving at 60 km/h and the other is moving at 40 km/h. In how many hours will they meet?

  07.04: A particle moves on 9 -d;a;ym k fbxb-l/+oz j;riathe x-axis. When the acceleration is positive and incre/-;-m;a9d x y;brkzo +ajfb ilasing

  07.12: The definition of average t)( pwa6qw *wu jj2ru7im-z+r velocity is

  16.18: For any motion in two dimensions, which one ofq17lw:d2bopsd9*r2t)lym r6s wwc:r the following choices identifies quantities:d2 wmp2 9r1l rs yrc 7)d*t6wlwqb:os that must have the same direction?

  09.17: A toy car moves effodclwtizm; zj, r(9i*g1 k,ey/qc;:6 x n,$3.0\;m$ 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?

  07.05: The position-tj5pt ) mtuwf;(ime, $y\;vs\;t$, graph for the motion of an object is shown. What would be a reasonable equation for the acceleration that would account for this motion?

  09.31: A car moves to the right along a one-dimensional track for total time T q1 m8.c7b6(m; folg f+dl bhfuin two parts om6c+. ;b81ll7hd fffqmu( gb.
• 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?

  08.23: The velocity vs. time grejq, e.0ehmv7 rlg6y(aph for the motion of a car on a straight track is shown in the diagram. The thick line represents the velocity. Assume that the car start(e em0 jhvy7l. r6q,ges at origin $x=0$. At which time is the car the greatest distance from the origin?

  08.24: The velocity vs. time graph for the motiof1qcqtn 0/) 8wq4w8 h3ibeereomg8f+ f w- b9un of a car on a straight track is shown in the diagram. The thick line represents the velocity. Assume8r ftc 0 oif9-wqw)8qb/ e1f4e+ nbhm3ugq8we that the car starts at origin $x=0$. What is the average speed of the car for the 10 second interval?

  09.08: Consider the motion of an object given by the position vs.p hs8l*p 8wp shwdque+.tmezi;+g 2(1 time graph shown. For t(+em 8qu h s128wp.plgiz+d;es phw*what time(s) is the speed of the object greatest?

  10.11: Consider the mo/1d*ue5 a,sdy 6f6tr 2ozy nostion of an object given by the velocity vs. time graph shown. For whic s/tdrs* 15f2z eo6n,ud6y ayoh time(s) is the acceleration of the object equal to 0?

  10.24: By computing the area under thrznre)08 4r 7q9al vnge acceleration vs. time graph for a fixed time interval of an object’s motion, what quantity has been determined for that objec0qnl )r7rvn za94e 8rgt?

  11.08: An object moves along a hordam* xf 93xms6izontal line with increasing speed.
choices could represent the signs of the velocity and of the acceleration for the object to achieve this motion?

  11.14: A car makes a sfa6*v epx4j:1-owx s 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?

  13.02:A small object is rans)at7gqdqs5;u u43eleased 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?

  13.03:A small object is released from rest and 1 33efj*q2 f myx6g *ukn+fxcrreaches the ground in a time of $2.50\;s$. Neglect air resistance. From what height above the ground was the object released?

  13.17: A position vs. time graph of a particle moving along a horizo 32mglk1i zrbxxwi0pp7d,+ j ;ntal axis is shown. What is the total distance traveled by the particle from t=0 tg 3bj +plr0ipdz 17,wkx;mxi 2o t=10s ?

  13.18: Which one of the following choices correr2knr78 -(ok+ -gvdh du(ow qectly identifies all of the listed situatio8hvgwok (r n2(roqde-k 7+du-ns 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.

  13.32: An acceleration vs. time graph for an object moving alonk6;t( eji)j21g etr4 s4njmfsg 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 starting r12 j emnj t ef()6;g4jsistk4position?

  15.17: An object starts at the origin and its velocity along a line vs. time i h60i-h-zew ,nst.gda s graphed. Which one of the following choices best gives the proper interval(s) of time for which the object is moving awahi .dzs w60-h, -aentgy from the origin?

  15.09: Two cars are m/i3 .-xja pazvoving to the right on a horizontal track, each with constant acceleration. At an instant of time, the information aboupji3a-za .vx /t 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?

  15.14: A particle has auiq,p5 bg4cs:x5 kbs11yd mh2 position $x$, 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.

  15.41: For the entire time shown in the graph, whib2pz a4z ek2tcrgwxy51wzufe9+ -: ms 5 as77vch one of the following choices correctly describes the relationship between the average speed oftks yz r92bea2-u7 m55spczzwfa:xw74 e1v+ g the truck to that of the car?

  15.42: Which one of the follou*w utdr*7:idh-ty o1mm3)kbwing choices best describes the instants of time, at which the car and truck travel with m3 :1)o*m d bhi-*dkuywu7ttrthe same speed?

  17.30: Two cars P and txha,y4 0c q)fQ, each start from rest at the origin and will move along the x-axis. The acceleration vs. time graph for each car is shown. Which one of the followingf, txyh) qa0c4 choices correctly identifies the relationship for both the speeds $v$ and the positions $x$ of the cars at time T?

  16.02: The position vs. time graphrzzaxd-hdl18s) yx x,e9)( sh of an object moving on a horizontal line is shown. At what time(s) is az)1)d(h d98 x,xsehxry-szl the object moving with its greatest speed?

  17.08: A mass moves along the x-axis following the position vs. time gr,)eu+wcbd.jny l* b:ww rx)t.aph provided. During what time interval(s) does the mass have zero acceleraru) xe .d+t wjcn.lbwb y,:*)wtion?