10.10: A particle travels at a constant spe) 5*rp k pl28suhnn sj2bufw70ed around 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?

  99.01: The change of dis-c j1s(nj zt9stance per unit time without reference to a particular direction is z1sjns j9 tc-(called

  12.29: A vehicle completes one lap around a circular track at an avera(j zf))p8av g 5g5atugge speed of 50j a5 gt (uvf5))gp8agz m/s and then completes 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?

  95.03: A toy car moves 0.80 m in 1.0 s at the constantk00 bv/byh,bj velocity. If it continues,jbvb /, yk0h0b how far will it travel in 3.0 s?

  05.34: A 40-kg boy is stationary on a 30-kg plank that is sliding at 5.jga/q(;hn wt93p rk;5lu5rv kxnd x0/00 m/s to the right across a frictionless pond. The boy then turns and starts n5krtp;j q na/l/35hvx0k; wdx urg9(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?

  97.18: A motorist travels 400 km at 80 km/h and 400 km5bbre0ekz u **t rk2-g at 100 km/h. What is the average speed of the motorist og-zk05kt b re* urb2e*n this trip?

  97.20: This question refers to the 7kcfkj ho 8j*- q(u otaj: 4j5qosayz:cb/2g3motion of a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocity in the 7saj8hu -btfoga5 3 :oqy4/2c(jzj :qkok *cj 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 the moti;)p 9ceur z5 svnx8k -n6sz5cxon of a toy car traveling along the x-axis. The graxxvcc9-;6s) zp s 85zeukn5nrph shown below is a plot of the car’s velocity in the x direction, $v_x$ versus time $t$.What was the acceleration at 33 s?

  97.22: This question refers tob0lg226h 5cbjz7u 95xomchrw7hky+g v t7f+ u the motion of a toy car traveling along the x-axis. The graph shoc zk0x jh529y6 ufbb5gm ulw+g2ht7 7+c7vrhown 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?

  99.15: Given the graph of the velocity vs. time of a duck flying d r(+sc r g.5lw6i )c:kk5sdqbxue south for the winter. At what point did the duck stop ck 5x+:ss qc(lr)rb.65id kwg its forward motion?

  99.17: This question refer to the dixr42cohb 4 rfcbwul / 30:8rvfagram below which shows the position and elapsed time of a car starting from rest and uniformly accele24c:8 c 3fwlfr roh4x/urvbb 0rating in a straight line. What was the average velocity of the car during the third second?

  99.18: This question refer to the dr7hrvio -22 gkf.s8i ziagram below which shows the position and elapsed time of a car starting from rest and uirf koh -r78vg.siz 22niformly accelerating in a straight line. The average acceleration during the entire 3 second interval is closest to

  99.20: What is the shape of the velocity time graph for an obz8hysvg2 ;x,- )kglxl ject with the position time graph showyxvslg)klg,2 h -; xz8n in the diagram at right?

  00.28: The following qu .nce xr-l5xt1zm :)osestion refer to the following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and )-1en.t5rzc:x xm solrebounds to its 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 question refer to th x,2e8cs wv8wq5 k,j0w sx*yvwe following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebws xse,cv8,v8 xww0jq 5y2k *wounds to 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 s sr*qvlnpag((1 j / +t5g,8a.m:ak zskn4 kxwfpeed of $v$ in still water, which of the following trips will take the least amount of time.

  01.01: The question refers to the t8 :i( v 0pzs2lsig;gvfry,v5following 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?

  01.02: The question refers to theau dzf)crw-b13r7te6(aym r 6pd 88 px 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?

  01.03: The question refers gt9-wl ir ;ko2to 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 yrccz4sd0o:ehps g*,r, 6cw(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?

  01.33: A small ball rolls down a ramp, across a horizontalldn877k +hewqzu :/u9am p +eo table top and off the table edge. Which of the foue ep: + na/m7qd8+h9wzou7lkllowing would best represent a graph of the magnitude of the ball's acceleration vs time?

  02.01: The graph represents 9avfd*dm5jee ,k- a*mthe relationship between distance and time for an object that is moving along a straight line. What is t,aak*- vd5dj9ef*m em he instantaneous speed of the object at t = 5.0 seconds?

  02.02: The graph represents the relpy;)q0x6 4p3l zv . r2 xo(begzmg;ejeationship between distance and time for an object that is moving along a stxj2;m 6vqpzgr g;3ey4 pe(exbz0.o )lraight line. Between what times did the object have a non-zero acceleration?

  10.07: A small object is thrown straight downward on Earth wggq su jx*24+o* uo7zpr66 j nbj6q2icith an initial speed of j iq67 gz+c*pxo 2q r*o2n jug66usbj412.0 m/s from a position 10.0 m 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 car starting from rest and uniformlyr-g*mm e zg- d)kq(d/c accelerating across the floor. The time and distance traveled from the start are shown in -kmrc*dm/)g q-ed g(zthe 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 and uniformly:/3t srg5f 3 ljn1ohix accelerating across tx t hs5/33li1n :ogfrjhe 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 represents a ta o*aw 8 4nhypc83*gydoy car starting from rest and uniformly accelerating **nh8payy3 dac w48ogacross the floor. The time 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 shozj 4+zp0s:/xs(:pv4uv fcpy)nw2 x cu ws a uniformly accelerating ball. The position of the ball each second is indicat)p+ y cwvxv4n4ujsz2sp:u( /cxfz p 0:ed.
What is the average speed of the ball between 3 and 4 seconds?

  04.09: The diagram shows a uniformly accek6.59tl2g l obo g-gjlm9/ wtnlerating ball. The position of the ball each second is indicated. 9kb5w lg6m- j ottlon.g9/g 2l
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a circus clown on a unicycle moving in a ub- 5pcyv, 8cnstraight line is shown in the graph below. c8 vy-u 5c,bnp
What would be the acceleration of the clown at 5 s?

  02.18: The motion of a circus clown on a unicycle moving u rph(u1e+ecjqj37im .1u5 si in a straight line is shown in te s3 umiue.u pj(ir q7j+h5c11he graph below.
After 12 seconds, how far is the clown from her original starting point?

  03.04: When an object falls freely in a vacuum near theu o 5it0jjku(: surface of the earth

  03.11: The accompanying graph describesx7j:uk n,b; js)dj 2l-xz; esb the motion of a marble on a table top for 10 seconds. For which time interval(s) did the marble have a nejndxzb;)je2ls- , u;kbxj :7 sgative velocity?

  03.12: The accompanying graph describes the motion of a marble on a tabf 1a7 y v8/)si y7n5*tjyzajrfle top for 10 seconds. For which time interval(s) did the marble have a positiv*)ysn7a78fyzi avtrj51jf/ ye acceleration?

  03.13: The accompanying graph describes the motion of a marble on a table (1zh.n2 pfowmtop for 10 seconds. What is the z2.1hp(m wnof marbles average acceleration between t = 3.3 s and t = 3.8 s

  03.20: A car accelerates uniformly from rest for a timt7 nq z z sqnr2ki aso(;am:+xb40a.8ee of $2.00\;s$ through a distance of $4.00\;m$. What was the acceleration of the car?

  16.06: An object, throw 3jgfzu6ny 3ua z3p(y,n straight 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 folloxr0 )dc7todha5zvgtce qmw.4p* 34f4 wing graphs could correctly represent the motion of an object moving with a constant d)a4 met4wz .c d3r o*4 g7txqf50pcvhspeed in a straight line?

  03.24:The accompanying graph describes the motion of a toy car across the tl4j /wruw; dqmvt3d3zt-o5 9floor for 10 seconds. What is the acceleration of the toy car at t = 4/wtuzjo mdr3qt-dv4 5; 3 tl9w s?

  03.25:The accompanying graph describes the motion of a toy car acrossxii.j3jfv+ukw rnp pqj x8e )k48*z 9* the floor for 10 seconds. What was the total displaceme rq*3njxw iz4 juki9.)8k jfx pv+8ep*nt of the toy car for the entire 10 second interval shown?

  03.26:The accompanying graph oq;54gxlyup op f8.q0describes the motion of a toy car across the floor for 10 seconds. At what times or time intervals must the net force on the toy car be zeroy fgo8o4;5lp0ux.q pq?

  16.03: A car accelerates uniformly from 07:7oyeny0m pttnuxd /6 4te v5 km/hr to 60 km/hr in 4.50 s. Which one of the following choin xoe/p05 t: y74t6evmyun7 dtces best represents the acceleration of the car?

  06.07: A car has the velocity versus time n4:s15r dlu vjcurve shown. Which of the following statements15u: sr dvn4lj regarding its motion is NOT CORRECT?

  07.17: A toy car moves along t0llv(35w 3qxz yzn*svhe x-axis according to the velocity versus time curve shown to the right. When does the car have zero acceler (3lzx3lswvqny0 zv5*ation?

  06.22: During an interval of time, a tennis balll((x a;8*gg dc l u)yyvk wpsisut;2:- is moved so that the angle between the velocity and the acceleration l;g;cuylvk*u2txa(w gys i:)8(p d-sof 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 + *btqxf wiv dgbj(16rqi4+ 0tak2m.rtoward each other.(qrvbd+*aq0xm1fj gi 4+.kw6tirb2t
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 the9n+ 1;mgpqv ob x-axis. When the acceleration is positive and inc+ n9vb qg1mo;preasing

  07.12: The definition of 7l ob+r 5sym.a6id 2jm-v d1pkaverage velocity is

  16.18: For any motion in two dimensions, which one of th sy,-az 86nbrme following choices identifies quantities that must have zms,yr a6-8bn the same direction?

  09.17: A toy car movezcy8*h0 mmv-m 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?

  07.05: The position-hsf9d9 z8s tq/time, $y\;vs\;t$, 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 th1 pu 30; gjmutv +l+pg1nib*roe right along a one-dimensional track for total time T in two pg *;1tln1igu++ v omppjrb0u3arts.
• 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 graph for the moti 5 biofxaq(*2h53q ldxon of a car on a straight track is shown in the diagram. The thick line repq2(dl*5 fhx oq ib3ax5resents the velocity. Assume that the car starts 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 motion of a car on a straight track i6.r qjy5m-c tfs shown in the diagram. The thick line represents the velocity. .6cyt q-fmjr5Assume 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 obje3ych h6jwbr .c2qlno4md (-w7ct given by the position vs. time graph shown. For7c6ndw- ywmj 2.( 4qlrhob3 hc what time(s) is the speed of the object greatest?

  10.11: Consider the motion of an object given by the velocity 0nt--q;+(aq 9 2a rwrjlivqp ovs. time graph shown. For which time(s) is the a 29 iq rw-(oa; qtp0vr-a+qljncceleration of the object equal to 0?

  10.24: By computing the area under the acceleration vs. time graph y/2v:t3hql/m a.fr 8bcuc1i d for a fixed time interval of an object’s motion, w/m2v q rtl:i f31dc.ca8/ bhuyhat quantity has been determined for that object?

  11.08: An object moves along a hozi9juy5i9 tfy;s,mj pj u933lrizontal 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 trip i blgt4n74x,p ln 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 released from rest and 7 sf;goe wdy bh,98ir-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 reaches the grnfnz(gk m0bj/h; r aqv4lra6n;9wbh t(+h4,gound 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 horizontal io 3m5b6lmsr:(bbc 6l axis is shown. What is the total distance traveled by the particle from t=0lsr(bi6 6:bm5l bo 3cm to t=10s ?

  13.18: Which one of the following chwln n/, po -;*3vkndxjoices correctly identifies all of the listed situations for which there is a non-zero accennl; / xn-od3vp w,*kjleration?
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 p16bae;k-q b6(y trhqalong 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 start- ;q(6 r6h1kayep bqbting position?

  15.17: An object starmxrr.mtw8bm2nhh-4*zr;eb ft6 z 00nts at the origin and its velocity along a line vs. time is graphed. Which one of the following choices best gives the proper interval(s) of time for which tr* whm- x4mz tnr8h 6e2;nrzf0b.0mbthe object is moving away from the origin?

  15.09: Two cars are moving to the right on a horizontal track, each with cosc9ai 2)yn2 6svqi 4ponstana)soc4 i2 qi6p9yvns 2t acceleration. At an instant 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?

  15.14: A particle has a po)0 w)asz64q nvodop y1sition $x$, 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 entire66- wk)dx s mo si5 +3kqi5nhx-d.ufee time shown in the graph, which one of the following choices correctly describes the relationship between the average speed of the tru3 hk 6edxuq i5xme.-o5-sd kni s)6+fwck to that of the car?

  15.42: Which one of the following choices b,6gpl2zhv+awd a t; 5cjflb54est describes the instants of time, aczatf5w abv+;g6,2p l 5ldjh4t which the car and truck travel with the same speed?

  17.30: Two cars P and Q, each start from rest at the originu8p bd*syfq-*37bj mksd +5sg and will move along the x-axis. The acceleration vs. time graph for each car is shown. Which one of the following choices correctly identifies the rela**-f7kgsmd 3p qsdb +58u jsybtionship for both the speeds $v$ and the positions $x$ of the cars at time T?

  16.02: The position vs. time graph of an object moving on a horizontal l; q* fz82t 0z3jirb)mn5mqcudine is shown. At what time(s) is the object moving with it 2ib*ujf0qzm 3z dr;5)nqc 8mts greatest speed?

  17.08: A mass moves al-a9m;dvi e15vjbmx(0 pk/yy 6a m6gbbong the x-axis following the position vs. time graph provided. During what time interval(s) does bap(59b;/ymvaik b 0dyx6e-v6 1m g jmthe mass have zero acceleration?