10.10: A particle travels at a constant sps*f9yj0u -f y2hu*vmzeed 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 referenhl, )g iici4b:ce to a particular direction 4g bcil i:hi),is called

  12.29: A vehicle completes one lap around a circulhsfe5 vwah -a08 pv10xar track at an average speed of 50 m/s a-05e8xv1 fw shahp0avnd 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 0f s+0uvfe:h6 p.80 m in 1.0 s at the constant velocity. If it continues, how far will it travel in60sf:huvep+ f 3.0 s?

  05.34: A 40-kg boy is statiol2 pb-p2vvfc c v,dw vy62:cth.+kxt(nary on a 30-kg plank that 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 4.0 c.yk c -f vtlv,p+(wh2c2:vtv2xb pd60 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 4005z vstfie4 wt 6h5jgy hp-llqa2g24;6 km at 80 km/h and 400 km at 100 km/h. What is the average speed of the motorist on this tt tlz5 4sfq25vh; 6lw2y4-pagej gih6rip?

  97.20: This question refes 37utah y+c1hrs to the motion of a toy car traveling along the x-axis. The graph s hu+scyt1ah7 3hown 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 zxsy:a )3snd j(tfa*+ toy car traveling along the x-axis. The graph shown below is a plot of the car’s veloc*a d3)(sytsz fax:+nj ity in 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 alonggvl28 7w.2bd 8kce/ ;owwx aqq the x-axis. The graph shown8b /wkwqdaq7;o2 e2 gwl.8c xv 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 grapme-ths(gn+6ol1 e 2x.2bquhn6mxk09qusoj0h of the velocity vs. time of a duck flying due south for the winter. At what point did the duck sn+q .s (k6e geh hj02tx-un 1oumsl2bm9ox6q0 top its forward motion?

  99.17: This question rrh,zbv1n-5xbpv+v bj-, (n udefer to the diagram below which shows the position and elapsed time of a car starting from rest and uniformly accelerating -(bu,vd1- n5pvnb ,bz xvjh+r in a straight line. What was the average velocity of the car during the third second?

  99.18: This question refer to the diagram below which shows the position pgnu /d4ddo.r imn. d,iw: .d)and elapsed time of a car starting from rest and uniformly accelerating in a straight line. The average acceleraw: n. p)drd.oddnu.gm4 i,id/ tion during the entire 3 second interval is closest to

  99.20: What is the shape of the velocity timeeh w:q7s8xr kyogz:hxe77 nue79 d0*a graph for an object with the position time graph shown in the diagrg0d7 7k7s zher q xee8x n7:u:o9*hawyam at right?

  00.28: The following question refer to the folloe:f +c xtm9:6a ayzgw;wing information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebounds ma+aw 69f ectgzx;:y :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 foll *oksnqf-b 0rf9rn;v0owing information. An ideal elastic rubber ball is dropped from a height of*v ;0onq 0krsf-9bfrn 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 traui*zia2m ,7xil5tr2 gvel with 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 the following scenp;+ln)bdzv/ e/g n *zpario: 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 following scena9voal; 3:jyto rio: 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 to the following scen2 )m s ez:+csftatlxe8v4w*4dario: 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 th ye )4(ozas2 hdz(b7ame 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 horizontal table/uj4zy g)s,n5xldt: njn sr+( top and off the table edge. Whis/)n(z dnt u+x,5:ylsjjrg 4n ch of the following would best represent a graph of the magnitude of the ball's acceleration vs time?

  02.01: The graph represents the relationship between distance andan ,9rpa sgj13 time for an object that is moving along a straigs9 agjr,ap 31nht line. What is the instantaneous speed of the object at t = 5.0 seconds?

  02.02: The graph represents the relationship bgpv np - f2efdux q52co, 9 bm(jpy3yu)*/kxl3etween distance and time for an object that is moving along a straight line. Between what times did the object have a non-zero accelera nx/ q*,ljy)cudfmo -fukgvx5pbe39p(32p 2ytion?

  10.07: A small object s0yp yqso0frvy g,jy+*x--nn /7fnn )x6akj 0 is thrown straight downward on Earth with an initial speed of 12.0 m/s from a position 10.0 m above the grounsn0nfj-xgyka-qov x 706ry+fy *y nns0/j,p) d. Ignoring air resistance, the speed of the object when it reaches the ground is

  02.11: The diagram below represents a toy car star*xjbfp3vv*o u f0y1r2 ting from rest and uniformly accelerating across the floor. The time and distance traveled from the start avyfbj2* v1fx 3pu*0 rore 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 we-0qx5m glr(ks.p:g starting from rest and uniformly accelerating across the floor. The time and distancem5 r(gp kx.l w:esqg-0 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 belo+1yg-d;abyo ow represents a toy car starting from rest and uniformly accelerating across the floor. The time1g-bya +; odyo 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 accelerati, lc,qx*fttq.q-vv1 2(g qmf hng ball. The position of the ball each second is i, q*mhfv-1.ctxvlq,q (tg q2f ndicated.
What is the average speed of the ball between 3 and 4 seconds?

  04.09: The diagram shows a uniformly accelerati4kpw g97z5z6 o+lspre v.d c0ue7bp(mng ball. The position of the ball each second is indicdb9g577l zcs vruepkm e60wp 4op. +(zated.
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a circus clown on a u(k5+ 7wr spa0 fzvp1udnicycle moving in a straight line is shown in the graph be 0+dsazwv1f(5 rp kp7ulow.
What would be the acceleration of the clown at 5 s?

  02.18: The motion of a circdp*r (bwnb5-8k w(tfl us clown on a unicycle moving in a straight line is shown in the graph bdbt5 (ww pn*-k(fr bl8elow.
After 12 seconds, how far is the clown from her original starting point?

  03.04: When an object falls freely in a vacuum near the surlc0rqptc c3 3.face of the earth

  03.11: The accompanying graph describes the motion of a marble on a table top d01l )jt7uved6 -epvufor 10 7td10-6 pu)evj ve udlseconds. For which time interval(s) did the marble have a negative velocity?

  03.12: The accompanying graph descrq/a:u o*yoaw v x5y8u7ibes the motion of a marble on a table top for 10 seconds. For which time interval(s) did the marble have a 7uv:w*oaua8yyqo x5/ positive acceleration?

  03.13: The accompanying graph describes the motion of a marble on a table top 2u1n:2c iqougksxy5 wtn,:5 j for 10 seconds. What is the marbles average acceleration bo tnjkx2ysqu::5cgn 1,5 w2iuetween t = 3.3 s and t = 3.8 s

  03.20: A car accelerates unifo-ml( 0c1hnazkuwv1 6yrmly 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 stra )qw f o/tj5t-ec5z7klnl )4lright 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 graphst)jvr z/ ,auu- could correctly represent the motion of an object movu tuv-j)/, rzaing with a constant speed in a straight line?

  03.24:The accompanying graph describes the motion of a toy car across33ni8- l8qbd acph0elyc5 fy, the floor for 10 seconds. What is the acceleration of thl 308pc5-ayb ehd,cy8f lniq 3e toy car at t = 4 s?

  03.25:The accompanying graph describes the motion of a toy car across the flooa,kcn8r 6 sb,.5hm qrir for 10 seconds. What was the total displacement of c k, r,.nq6 b8rms5ihathe toy car for the entire 10 second interval shown?

  03.26:The accompanying graph describes the motion of a /lks0ta6n y /g9sin i,aft( u9toy car across the floor for 10 seconds. At what times or tf i,/ska tn gl/(si60 tyun99aime intervals must the net force on the toy car be zero?

  16.03: A car accelerates uniformly from 0 km/hr to 60 kmq+1 nfv*/ okeh/hr in 4.50 s. Which one of the following choices best reqnf1oe /*+k vhpresents the acceleration of the car?

  06.07: A car has the velocity versus t9x0,yl 6)uwvoilh8n time curve shown. Which of the following statements regarding i6xni h ol0wv,yl8u9)tts motion is NOT CORRECT?

  07.17: A toy car moves along the x-axis according to the veloco-9zri 1nr1 t qu.ye29f)tcc wity versus time curve shown to the right. When does the car have zero acceleratiiwzt19ternc9).c- oqr1 2 yufon?

  06.22: During an interval of time, a tennis jzvw:n5 phu2 ;iody.dr 4)m6l 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 baluv.doj26 z:)m l pyhn;4r idw5l during this interval of time?

  07.03: Two automobiles are 150 kilometers apart and traveljvxzerc0s77 . ing toward each other.e sxj7czv7 .0r
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-axishxe:7lq+plw :-i o5b j. When the acceleration is positive and increasio7wl+q :hip5lb-e x: jng

  07.12: The definition of average vegypd (+ 2x5: rhruh9fflocity is

  16.18: For any motion in two dimensions,/61gfvkcurs 1 which one of the following choices iden kfus/611gvr ctifies quantities that must have the same direction?

  09.17: A toy car moves v+7nmj bqd+x0$3.0\;m$ 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- ib3au6+7+u ljh7rz qstime, $y\;vs\;t$, 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 righa8p)t4a loi 0:h/ 4bfrkkhftl+p3ab5t along a one-dimensional track for total time T inlp/t)k ra084p:bfa+th5 bk ao fh43l i two parts.
• 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. tit7a ;c0ghu 6 2kzpr,gvq 9)okpme graph 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 starts at o02; ,hpgkzo96pg qv a)urc7 ktrigin $x=0$. 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* ov9yfv7)kgz n,h.gh track is shown in the d9gzk ovn ,hvgh)7f*.yiagram. 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 of an object given by the position vsbz.4 p lhjqpib/;.f-zjon )ju(xhh8 ,. time graph shown. For what time(s) is the spejfp;b.q,b8z) .uojn4hzh( hpl /i xj -ed of the object greatest?

  10.11: Consider the motion of an object given by the velocity vs.3sstkqxvvo 5pf6 6 -lw)eb15t time graph shown. For whitl)6xf6 5 v q-s5wsbtpv13eo kch time(s) is the acceleration of the object equal to 0?

  10.24: By computing the area under the accelerap c kk5jf*d7gbh:uu,)tion vs. time graph for a fixed time interval of an object’s motkuf,b:)g hp* jcd7u k5ion, what quantity has been determined for that object?

  11.08: An object moves along a horizontal line with increasing8oy9 am)6 o 6ug3jo i8iei7pgu6, qwtm 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 trp 8bt:ep2g .lyip 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 released from rest and reaches the ground in a time liufe m-vs 19vk9 s1z;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 gr(uiawjbh0(7 en :if 3ez2ugi9ound 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 o/pn/w6 + 2 6 )pf e8kriwiiwnfkfxjs26f a particle moving along a horizontal axis is shown. What is the total distance traveled by the particle from t=0 to t=1p /e2wij6i6kri6n 8+s wfxfk)p/ n w2f0s ?

  13.18: Which one of the following choices correctly identifies all of the listn ud ++d) e6,izhnl2jted situations for which t6i +)2l njdzdh+n,et uhere 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. e;fagb 6it8sl:/t,tj time graph for an object moving 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 st8e ftb; is,j/ atlt:g6arting position?

  15.17: An object starts at the origin and its velocity along tofqx3;ec a4 ,a line vs. time is graphed. Which one of the following choi eo3ctqaf4;x, ces 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 horizontal tracce c t.ly ufk*jpwsap/*ix)(x9e ,-g/k, each with constant acceleration. At an instant of time, the information a*xgj fp pkwcs(e -i./t9,l yc/a*)ex ubout 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 ph7bb4 m v7kvx8e/ mi(xosition $x$, 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 o pl* vh4y- jmr)t5irk+ne of the following choices correctly describes the relationship between the average speedtjpk -r*5ry)v l ih4+m of the truck to that of the car?

  15.42: Which one of the following choice-izh t 9z)17ykj9nb+a.hyyuls best describes the instants of time, at whih z+ilun9jt y 71 hyy-9za)b.kch the car and truck travel with the same speed?

  17.30: Two cars P and Q, each it2gp /16m hcnstart 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 correctly identifies the relationship for both the speed/ptn ic6hm 2g1s $v$ and the positions $x$ of the cars at time T?

  16.02: The position v)-./ds eg h:g c-bbtaos. time graph of an object moving on a horizontal line is shown. At whabg )-/gc.e sahod:-btt time(s) is the object moving with its greatest speed?

  17.08: A mass moves along the x-axis following the posit9r;v;m co;hw lion vs. time graph provided. During what time ic9;wh ; ;lovmrnterval(s) does the mass have zero acceleration?