10.10: A particle travels at a constant speed around a circular path of radihi kl 91m3lwau,:i:gsus $R$, 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 pk4 d dm u0ex57/vg*wi8np. 9vgv3 aqrrer unit time without reference to a particular direction/*5dxv9u7e pwki8vgq.n rvm0ra4 3 gd is called

  12.29: A vehicle completes one lap around a circular track aqk7s +xbtq1( kt an average speed of 50 m/s and then completes a second lap at an average speed of+ksqk b1(xqt7 $V$. 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 constant veloc-o 8:q0)kmlgom pfx 5fity. If it continues, k)f 5l:fxop8-q0 gmmohow far will it travel in 3.0 s?

  05.34: A 40-kg boy is stationary on a 30-kg plank 95kpr* esp55p* xrvv tp 6ui.nh(; ljwthat is sliding at 5.00 m/s to the right across a frictionless pond. The boy then turns and starts walking on the plank klt(sph*.5 65x*r;w9r v5pej vpi nup 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 kahh*.-q /km/ n8a fjofm/h and 400 km at 100 km/h. What is the average -q8fh ao.h a*n/j/kmfspeed of the motorist on this trip?

  97.20: This question refers to the motion of a tbkll )* 3-jii8zvcak6 oy car traveling along the x-axis. The graph -3i6kjv8zlblc)i k *ashown 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 trxcu;;r vz,ymwxbr /p4su+. b)aveling along the x-axis. The graph shown below is a plot of the car’s velocity in tprb.w vsm)r/ bu;, +czux;4xyhe x direction, $v_x$ versus time $t$.What was the acceleration at 33 s?

  97.22: This question refers z,k9 g8f,d xsqto the motion of a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocity in the x direcqgksz,d98f, xtion, $v_x$ versus time $t$.
How far did the car travel during the first 15 seconds?

  99.15: Given the graph of the velockjkm2 jk8oa 9k*y:f5p* je2irc c/1brity vs. time of a duck flying due south for the winter. At what point did the duck stop its fk*5j e 9 rpcmyofr/2i*k 1k8:kja j2bcorward motion?

  99.17: This question refer to the diagram below which(j5fjbqpv/bd r : lz47 shows the position and elapsed time of a car starting from rest and uniformly accelerating in a straight line. What was the average velo jqdpjbb4:5/rz fv l7(city of the car during the third second?

  99.18: This question refer to the diagram below which shows the position and ejbto51b 0h76 kpw0t enlapsed time of a car starting from rest and uniformly accelerating in a straight line. The averagbo0hn ttp0jwke1b7 56e acceleration during the entire 3 second interval is closest to

  99.20: What is the shape of the velocity time graph for an objed79mx( oo+*cm:2 nyqo qr5gl7yoawm3 ct with the position time graph y+ w mx5 l9g o*(7dyaoomqon2 :3rqmc7shown in the diagram at right?

  00.28: The following question refer to the follmb(9tg 7 vm+euowing information. An ideal elastic rubber ball is dropped from a heigvegu7mtb9+( mht 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?

  00.29: The following,vc jzm+c o*e( question refer to the following information. An ideal elastic rubber ball is dropped from a,j(c v c+z*emo 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 can travel w- 7*ulwcghs b-u4j6wpith a speed of $v$ in still water, which of the following trips will take the least amount of time.

  01.01: The question refers to tyz5j6 l8s(or3p7yy6+ gqo xkxhe 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 followi n/(fu*acp k: zlj*jq5cw,s6h 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 x( vpzo( l/ue3ar5/aur 7d;n;igvc6qrefers 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 -ph+nf)td b;)e t1kcascenario: 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 ofhk9pq;6a 7u s9;c zo6h h0,ngkien)ruf the table edge. Which of the following would best represent a graph of the mkrkp huug, hnc 9qa)6o 7h0;9n6s;izeagnitude of the ball's acceleration vs time?

  02.01: The graph represents the relationship between distance and time for aqd4atz;-jek9a 657 (kmdln osn object that is moving along a straight line. What is the instantaneous speed onk-;5 elodad4a q67z9m s(ktjf the object at t = 5.0 seconds?

  02.02: The graph represents the relationship betweens/v (r)cn qtk ppc)2cm76og e4 distance and time for an objeep2n4q) (p omtgvckc)s c/6 r7ct that is moving along a straight line. Between what times did the object have a non-zero acceleration?

  10.07: A small object is throev l0ra25.eivwn straight downward on Earth with an initial speed of 12.0 m/s from a position 10.0 m above the gro e.le5v0va i2rund. 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 uniformlyce )cxth1f6d bx,(fk-x pq2f6 accelerating across the floor. The time and distance traveled from the start are shown in t(e)6xdqf xtkp6x1 fc,cf 2h-b he 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 2 jj)a(qx,yu1g dnb.yaccelerating across the floor. The time and distance traveled from tq1,)najd.(2y xj ugyb he 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 toy car starting from rest. vsc*b ev6n9f9 )l0vpa 5ckhj and uniformly acceleratingla 9 ek9 *.n6)0bvpvshfvc 5jc across 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 shows a uniformly accelef o wb+i hr)jd)6x3c .8exmsi.rating ball. The position of the ball each second is inddbxjsh 3m)xi.f o.i6 cwe+r8)icated.
What is the average speed of the ball between 3 and 4 seconds?

  04.09: The diagram shows a uniformly accelerating ball. The w-,qz n70b8 1mascyau position of the ball each second a1z-nmuwqy7 bc0a8 s,is indicated.
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a circus clown on a a1wk6 ytx;0li unicycle moving in a straight line is shown in the graph below1t 0l;x6ayi kw.
What would be the acceleration of the clown at 5 s?

  02.18: The motion of a ck):hew. khtug 1rua*l;4m3 bqircus clown on a unicycle moving in a straight line is shown ktwbug 4l 1:hm kuh3.;)ear*qin the 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 g u2k6rpd -se;near the surface of the earth

  03.11: The accompanying graph describes the motion of a marble on a tablet qhxy2tbw1//bz)rj.y .p1 si top for 10 seconds. For which time interval(s) did the marble have a nytt .ybps jr ./zhwbx/11iq 2)egative velocity?

  03.12: The accompanying 6w 0da1romj8j graph describes the motion of a marble on a table top for 10 seconds. For which time interval(s) did the j6orw0m 8dj1a marble have a positive acceleration?

  03.13: The accompanying graph describes the motion of a marble on l6a2so(stvt1p)r;qp5j.qy f a table top for 10 seconds. Wq y a. ss 6(rjlptt)oqv5f2;1phat is the marbles average acceleration between t = 3.3 s and t = 3.8 s

  03.20: A car accelerates un5nhgyb y8- 1rziformly 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 straight do i7 jwe0ib*kz)wnward 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 could correctly representp50z g-(8p t +;rz2pucwyeu:qww6pgq the motion of an object moving with a constant speed in ac-0(pqzt u;r5e:6g8u ypzww2 w+pqgp straight line?

  03.24:The accompanying graph describes ra fgj2i yt9 uv:9*kix -ku7+gthe motion of a toy car across the floor for 10 seconds. What is the acceler+7 rfjg 2y*tka9 kvu-: x9iuigation of the toy car at t = 4 s?

  03.25:The accompanying graph describes the motion of a toy car across the fl,d-cw8 v:viy )k*u-r4ihg wfyoor for 10 seconds. What was the total displacement of the cvf*v-uk-w 8wi gd: 4i),yryhtoy car for the entire 10 second interval shown?

  03.26:The accompanying graph desc jcxm: jm(6w(ci dvp.6ribes the motion of a toy car across the floor for 10 seconds. At wh(ivp: c.(xjmwm6dc6 jat times or time intervals must the net force on the toy car be zero?

  16.03: A car accelerates uniformly from 0 km/hr to dk1mia/ 4 fe2n60 km/hr in 4.50 s. Which one of the following choices best reikd/412f mnaepresents the acceleration of the car?

  06.07: A car has the velocity versus time curve shown. Which ofh )fj0 ;krtd; -avbxmrf7hl73gs ke3 6 the following statement tl3skr e6h07rkb; dv) m3h7ag;-jfxf s regarding its motion is NOT CORRECT?

  07.17: A toy car moves along the x-axis according to the velocity versus tim8gmae v*)rt 7le curve shown to )a 7*gmletvr 8the right. When does the car have zero acceleration?

  06.22: During an interval ofem8,( o;m l5f7itgpjj time, a tennis ball is moved so that the angle between the ve lg to75 mp,;j(j8eifmlocity and the acceleration 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 ot hdb25 ck2u9ygu3vc oo7x7tm/ her.xut22go5 c/ohd c 73u y9kmvb7
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. )2lf1q j ;h c(ict0+g:*fpks kvv;pbu When the acceleration is positive and increask fqkhu2fplc+i)vt scv(1j;;g0p:b* ing

  07.12: The definition of ave fhy:p s1 )2w)w.xsw2rspfa2erage velocity is

  16.18: For any motion in two dimensions, which one of the following cho6xfmmnns/) 0roi i4qzd oh(q w2c l18;ices identifies quantities thatdh8r n/o0ix;w1mn( 2 zsci )q64omqlf must have the same direction?

  09.17: A toy car movez ;- 2uhzmm q3-sqsfn,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-tim*p:7 egqv9atqe, $y\;vs\;t$, 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 igl um6rz:(/3v t rssj.q/ vb,hg)o 2jwn two pvgh b/wr)(.,6: zlgom jts2/ vq ujr3sarts.
• 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 motion of a car on a st*fzf(cyqwf 7. aq09r nraight track is shown in the diagram. The thick line represents the vef az.frq0y9cnfq7 *w (locity. 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 aiiw +xcet,-)9+g vavo u* 3sbm straight track is shown in the diagram. The thick line represents the velocity. Assume that the car starg,-itam9)uebx3o* w vcv ++ ists 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. time gr(svbp 0qlskf;,rccy1ng 4 if 9xbd/+0r x)aj8aph shown. For what time(s) is qby1 rs ,; l(/iknscvfj )9ab +fg8c0x0xd4rpthe speed of the object greatest?

  10.11: Consider the motion ckt3n+zv 3frnwj (;n0 of an object given by the velocity vs. time graph shown. For which time(s) is the acceleration0n3 (n+ck nrf3vwz;tj of the object equal to 0?

  10.24: By computing the area under the acceleration vs. ;78)qy,wrg rx e wci)qtime graph for a fixed time interval of an object’s motion, what quantity has be;i8 ye,wqx qrg))w7cren determined for that object?

  11.08: An object moves along a horizontal line with incr 9w ep6fstu:+r,c xe+reasing 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 in two parts:3)f;bs os/nk +jh1 ka(ql1itp
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 reaches the/5jys7:t 4c srwm;g/t,vhhhl 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 rele c4x 0vizokl xs3+wkdog4a ,2,ased from rest and reaches 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 horizontal ax-w x jg0. aab62*us;bsw9bqqqis is showsq. qbu wbq9a-xsg6 w;ja b0*2n. What is the total distance traveled by the particle from t=0 to t=10s ?

  13.18: Which one of the following choices correctly identifies )w.pd)j fye dxld29jp.+f6vh pil,+ m all of the listed situations forje).6ji vy+ld.+)2f9lfpm ddpx, phw 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 l)o g0t1cij c-along a line is shown. The object starts from rest )-glcj1 c0oit at time t=0 s. At what time(s) does the object attain a maximum displacement from its starting position?

  15.17: An object starts at the origin and its velocity along a line vs. time4rbe95c8 k(6pyr e fgt is graphed. Which one of the following choices best gives the proper interval(s) of time for which thceyfr 59r6gb4kp 8( tee object is moving away from the origin?

  15.09: Two cars are moving to the right on a horizontal track, each withg fpm+j+j1 e . -9a/oxbxlkl3z constant acceleration. At an instant of time, the information about th 1+el+3lmjbo9k- gza xf.pjx /e 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 /yu;) to+su-aniof 7ju e u0p-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, which one of the followin3:q;vavz c7a qg choices correctly describes3va z;v7 :acqq the relationship between the average speed of the truck to that of the car?

  15.42: Which one of the .j0*xq4srh uc+6u xepw173vh 9ygx idfollowing choices best describes the instants of time, at which the car and truck travel with the same sp9gc+x*j60q.1iuyvuhw rs4 xpd 7hx e3eed?

  17.30: Two cars P and Q, each start from rest at the origin and will mokqldo-casm293m 9fjd.3m5uyg:9w /1h huwa ove along the x-axis. The acceleration vs. time graph for each car is shown. Which one of the following choices correctly identifi ofgu/ .392jm1 93:kodh clauy5m qawsh d-m9wes 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 a horizontal line is4kct7 z(nnmk:,7o2 kvrz n8em te/re / shown.ktnk,:/kz em omrzver8e2t4n77/ n(c At what time(s) is the object moving with its greatest speed?

  17.08: A mass moves along the x-axis following the phjp qcw37o5gcdg(2z g g7/szh*)ykw9osition vs. time graph provided. During what time intersd3 5czg 2gz 7gk(yq o 7hgc/jww)hp9*val(s) does the mass have zero acceleration?