10.10: A particle trave rvep-x/ l2,gt)ri;hdx oxg *-k0-ke sls at a constant speed 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 distance per unit time without reference 8f:4 tqbqbxj4 to a particular direc4qq b4xbf :8jttion is called

  12.29: A vehicle completes onep5dp (cv /o3 e)ckyr,j lap around a circular track at an average speed of 50 m/s and then completes a second lap at an average speed of cj5) vk p(y reo3d,c/p$V$. 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 md3 kd+// 9ymtei-lwnbb 13oc sri(5cat the constant velocity. If it continues, hobe5itbs139 n -koi/dlcc wd rmm3y/+(w far will it travel in 3.0 s?

  05.34: A 40-kg boy i) vpj12q*0l lg tl5mfms stationary on a 30-kg plank that is sliding at 5.00 m/s to the right across a frictionless pond. Thml jlq 0m5*)f 1vlgt2pe boy then turns and starts 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 cfzlj:5ox v,2 g,bntb2p*f m/r6q:y i400 km at 100 km/h. What is the avebr,:bqo,p/vjmf5cxgfn6z22t yi l*: rage speed of the motorist on this trip?

  97.20: This question refers to the motion oe7-y6 ocwke* p82 i5tlpj(qo jt 7gn/xf a toy car traveling along the x-axis. Tj8t(ikjn/o-6 xcew7o qpep 7yt2 lg5*he graph shown below is 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?

  97.21: This question refers to the motion of a toy car tbmk 3b2ffv-+f:z9b *2yg d yni* -kz(usr rep6raveling along the x-axis. The graph shown below is a plot of the car’s velocity br( my*kzs+bru ffy *-enp629bvfk-iz :32dgin the x direction, $v_x$ versus time $t$.What was the acceleration at 33 s?

  97.22: This question refers to the motion of a toy car traveling along the x-ax(tnunv knc j w,m72extg-t. 8;is. The graph shown below is a plot of the car’s tgve.tu;2njw8t,k7m-cn (n xvelocity 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 d 3qsde.u+(g tduck flying due south for the winter. At what point did the duck stop its forwar(3q.sd dg+teud motion?

  99.17: This question refer to the diagram below which shows the pf eljc:0-:w 3d h,o*/6xlganrwrqt (rac z;8 dosition and elapsed time of a car starting from rest and uniformly accelerating in a straight line. What was t(terawx3* oadh :,j gl/d ;rlq:ccn 0rfz6w8 -he average velocity of the car during the third second?

  99.18: This question ;-nzrrt/pk.ujlji(l o1o) 8 /azg(ufrefer 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 acceleration dpztou-lnj(u o(i z.j r1l;/ra8gkf/)uring the entire 3 second interval is closest to

  99.20: What is the shape of the velocity time graph for an object with the pov ap)4nb t(ps; pq/je2sition t ( )/jn;2s4pppbqte avime graph shown in the diagram at right?

  00.28: The following question refer to the follo1m2qqn8 v)o 0 )xba98jzul tccwing information. An ideal elastic rubber ball is dropped from a height of about 2 meters,)vu1o20m9 cqtcnq88)l z xja b 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?

  00.29: The following question refer to the following information. An ide;j9kz xf rc,s4al elastic rub,9 c; fks4jxzrber 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?

  00.39: If a boat canf0uwf6:nzbs z4xu -e x2d5 7b3 qvc*iv travel with a speed of $v$ in still water, which of the following trips will take the least amount of time.

  01.01: The question re hz* c.o33ajinfers 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.
During which time interval would cars #2 and #3 be moving at the same average speed?

  01.02: The question refers to the fytwlzsw+k ef82oaqa+ cj8( p i 9 plq91n66a6following 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 ref kepv23m+u 2dvers 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 foll*2x(ynw-m use owing 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 horizontal table top and off ,.p ,fpxy +c6zb1umlnu/zisp nb,/d/the table edge. Which of the following would best represent a graph of the magnitude of the ball's acceleration vs t/zpcp i,n , +x/, b6y.u/dnspbm f1luzime?

  02.01: The graph represents the relationship between distance ad g9w yl b;m8xk6ty6tlcxl4/-9dfx4k nd time for an object that is moving along a straight linx4fxk /t;l6t8gcl6m y4b9-dy9 wklxd e. What is the instantaneous speed of the object at t = 5.0 seconds?

  02.02: The graph represents the relationship between disdwou; o24wgal+/ kgi 5tance and time for an object that is moving along a straight line. Between what times did the object have a non-zerok;g+2luiwg a5o/ d4ow acceleration?

  10.07: A small object is thrown straight downward on Earth with an initials-nk1+h +pzqvyri6kos4) 6ru speed of 12.0 m/s from a p 4k+svrhz)o sy+ i6u1kr6 qnp-osition 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 repres 9txo6utri *b6ents a toy car starting from rest and uniformly accelerating across the floor. The time anu6 t 69toi*rbxd 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?

  02.12: The diagram below represents a toy car starting from re3 m9bph jfd0k:st and uniformly accelerating across the floor. The time and distance trk0 fj3bpd9:hmaveled 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 belq8t7k9fo5d e yow represents a toy car starting from rest and uniformly accelerating across the floor. The time and distance traveled from the sto tdfkye987q5art 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 accelerating ball. The positi bh6hi5 -4xydnon of the ball 4dbn-h 5yhx6 ieach second is indicated.
What is the average speed of the ball between 3 and 4 seconds?

  04.09: The diagram shows a uniformly accelerating ball. The ajq)2wy-y( 4veq:-mhuesqj 5 position of the ball each second i )-:qywv 2 h5ea4m qjyeuqjs-(s indicated.
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a circus clown on a unicyt7s )thh oi,m31 /yrhpcle moving in a straight line is shown )hh /3y rtm,h1s tp7oiin the graph below.
What would be the acceleration of the clown at 5 s?

  02.18: The motion of a circus gqg.5eauce :3clown on a unicycle moving in a straight line is shown in the grag.c gu35:eq aeph below.
After 12 seconds, how far is the clown from her original starting point?

  03.04: When an object falls freely d 777 uhgr-udlin a vacuum near the surface of the earth

  03.11: The accompanying graph describes the motiv,ol7 rt /rm.don of a marble on a table top for 10 seconds. For which time interval(s) did the m, o rt.v/dlr7marble have a negative velocity?

  03.12: The accompanying graph descril:5ujifd+ocot vs * u:3cy3g9bes the motion of a marble on a table top for 10 seconds. Fsyo*: +3lgi5 :9do vjuc3tfcuor which time interval(s) did the marble have a positive acceleration?

  03.13: The accompanying g40ne e (kwk1+ h7 lyprbv(j1n)mhekf )raph describes the motion of a marble on a table top for 10 seconds. What is the marbles average achfk1v bej(nk)n p0 wk4 m(r+h 17yel)eceleration between t = 3.3 s and t = 3.8 s

  03.20: A car accelerates uniformly from rest for a time of 6wa 84j6e)aw 6mcs f2-zjowx f$2.00\;s$ through a distance of $4.00\;m$. What was the acceleration of the car?

  16.06: An object, thrown straight downward with a spt,6,.icq9xv i2cjk uk eed 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 could corre ):aw1p:sz m)hos ,0fz:eo k zql3eo(pctly represent the motion of an object moving with l3,sqz)sez :o(hm:p zo 0ekwo:1pf)a a constant speed in a straight line?

  03.24:The accompanying graph dee2hhv v/ yquzq;e8i5mr b9,m :scribes the motion of a toy car across the floor for 10 seconds. What is the acceleration of; i2 qmr uh /b,5mhyvv:9zq8ee the toy car at t = 4 s?

  03.25:The accompanying graph describes the motion of a pjlzbxa w x2: 1t8j,5atoy car across the floor for 10 seconds. Wh ajz5j p xxtba1l,:8w2at was the total displacement of the toy car for the entire 10 second interval shown?

  03.26:The accompanying graph describes the motion of a toy car 43x6rx xj xq,n):yz jjacross the floor for 10 seconds. At what times or time intervals must the net force on the toy car rjy3xj4:qxx )xz,j6n be zero?

  16.03: A car accelerates uniformly from 0 km/hr :j0pyq )*eb-(g blv,izy 4i.jlq(dr k to 60 km/hr in 4.50 s. Which one of d bg lizrvb40qqp i(y-e *. k)(jjl,y:the following choices best represents the acceleration of the car?

  06.07: A car has the velocity versus time curv; o5brh) av-( wfs9js arpq*p0e shown. Which of the following statements regardi0*vwrjr(hp aaq)p- 59sfb s; ong its motion is NOT CORRECT?

  07.17: A toy car moves along the x-axis accorwhm 1kuw zh3;r:xpy3 .ding to the velocity versus time curve shown to the right. When does the car have zero m:3hkxpw r3.1h; zwuyacceleration?

  06.22: During an interval of time, a tennis ball is moved so that d, l. 48 gp9l*vueypmhthe angle between the velocity and the acceleration of the ball is kept at a constant 120 degree. Which statement is true abpl ed9v . g4p8ylm,uh*out the tennis ball during this interval of time?

  07.03: Two automobiles are 150 kil9e/z rsdr.ox(,(iy izometers apart and traveling toward each other.(r sixy9zoz.ed( /ir ,
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 the x-axis. When the acceleration is posit:wagi;9w/x99dx( u 9u psdzupive and increiaps;9:zwd xpw( u9d9 u9/xgu asing

  07.12: The definition of )vs-+r2v3bs0 v)vtrqq )/ uqwpfv 8 stf0)rvoaverage velocity is

  16.18: For any motioz (el(95(ebd* m4wptt +mdz cfn in two dimensions, which one of the following choices identifies quantities that must haflbt z+d(e5zt4 9 *(dmwecp (mve the same direction?

  09.17: A toy car move6 emy+is.p( pus $3.0\;m$ 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-a9xdw-di +4 q+whlq rn +a)*j8-tsszztime, $y\;vs\;t$, 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 oneiq7xm t t,+hf:-dimensional track for total time T in two pim7xq : htt,f+arts.
• 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 motiop 8g9dwuo 0h adn/e 7s-cvkz28lr:/qlt gn +1an of a car on a straight track is shown in the diagram. The / atdr -1 zg8sdowlka n2nu gl9:q/hp8e7v+c0thick line represents 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 mo/vls.gpcx30n; yx +et)yr qd7s w57 kmtion of a car on a straight track is shown in the diagrxyw v+.m qyc05t );gxepsrsk3n 7dl/7am. The thick line represents the velocity. Assume 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 o j4mbl ka/-8bgi4pt3(. xcfozf an object given by the position vs. time graph shown. For what time(s) is the/4ljocf- bx.atm348ikz p bg( speed of the object greatest?

  10.11: Consider the mot*qsu(8x p2zm,q 5q py-wvte/.9 bf imyion of an object given by the velocity vs. time graph shown. For which time(s) is the acc-qp (wpsz59qe.umi2fqvytb y*m /8 x,eleration of the object equal to 0?

  10.24: By computing the area under t7u hv:be ;l1r/tfm(gw he acceleration vs. time graph for a fixed time inte1gfre;:m (bw/7hul tv rval of an object’s motion, what quantity has been determined for that object?

  11.08: An object moves aj6d;. b2bs o4gxvbbdvb +;opkl o25/x long 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?

  11.14: A car makes a trip j6atsf ; vqo9 r72fx7d/yr/zlin 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 i,cjw6/t: m)btulg9-nvbko 0 fs released 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 reaches the groundf tpx 6a9))cgl 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 particlnx p 8o -qkk *7pryvh8a5q3va0e moving along a horizontal axis is shown. What is the total distance traveled by the particle from t=0 to t=10s xaq-58pk7vr 0 o3pyn8 va*hkq ?

  13.18: Which one of the following choices correct7bv gp8b 7z4 ux+n+bby)r t;wfly identifies all of the listed sipnr;4+wbv8bx7 b 7 z)ybt+ fugtuations 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:m oq 4+xefex8 for an object moving along a line is shown. The object starts from rest at time t=0 s. At what tim8 :+qmf xeeox4e(s) does the object attain a maximum displacement from its starting position?

  15.17: An object starts azno)..)jkq:z7i ;w n k: farant the origin and its velocity along a line vs. time is graphed. Which one ;f)q i nkno7:k.)w nzrj:aa .zof the following choices best gives the proper interval(s) of time for which the object is moving away from the origin?

  15.09: Two cars are moving to the right on a h t7zxgd7 6asx *f;bmfiu)l0zk6na3x+ orizontal track, each with constant acceleration. At an instmfg ;nux67*7i dks l f0zx)a3ztb+ x6aant 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 posit ci1hwgnlqj,o 78:ys e7 l5k4ze cy(*jion $x$, 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, which one of the ftt6) vlw,b---b+7h t.dd z j/ltjc7gdffw .mnollowing choices correctly describes the rt-lwl-gmbjt7fdwjdf7 tn,/ c bv.+ 6zt-.d)helationship between the average speed of the truck to that of the car?

  15.42: Which one of the following chj 0z bkms-/:6a-.lpwj r4bjhjoices best describes the instants of time, at which the car and t:4hb- l.jp 6m/sj ajj-rwzb0kruck travel with the same speed?

  17.30: Two cars P and Q, e,oayd h*yh4 4 vedtnf5c8i( rc9p 00msach 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 following choices p5amn tfc4i(o*r,c0yh9v8 dy e 4hds0 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 graph of an object moving on awu;k0pg,w, v-yi d kc) horizontal line is shown. At what time(s) is the object moving with its greatest vy)d,0 wi;pkk- wu,c gspeed?

  17.08: A mass moves along the x-axin5jv dd8i, 0qgs following the position vs. time graph provided. During what time interval(s) does the mass have zero gid,5 qnd8vj0 acceleration?