10.10: A particle travels at a constant speed around a circular path o78qqa ge k:8qn xfku12f 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 to a particular di-h+0g sjukr2yrection is called 0s-ju+k2hg yr

  12.29: A vehicle completes one lf 0/wutb/2t71kaz s ydap around a circular track at an average speed of 50 m/s and then completes a second lap/27f /zk01w byuta dst 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 th)ns+ r5eb ln g:))kjky;ir+tg e constant velocity. If it continues, how far will it travel in 3.0 n)jrb)+5lryt ;inge) : ksgk+s?

  05.34: A 40-kg boy is stationary on a 30-kg plank that is sliding at 5.0l z 1d-wojyexf:a ;b430 m/s to the right across a fricteojywbf34 d z x1-:l;aionless pond. The 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 kmr52smqlv b7m - at 80 km/h and 400 km at 100 km/h. What is the average speed of the motorist on this t57- m2mqvlsb rrip?

  97.20: This question refers to the motion of a toy car traveling along t4ohko* y+0auqj 1w*kx xe(w3u he x-axis. The graph shown below is a plot of the car’s velocit0+akxu jo wq3 hwk1u4oyx (*e*y 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 ref.xmympxz,-9 6sb kpu 7ers to the motion of a toy car traveling along the x-axis. The graph shown below is a plot of the camzspb, p u7x-m6kx.y9 r’s velocity 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 gqf- -k.ya rng5tbe/v1- dp0oa toy car traveling along the x-axis. The graph shown below is a plot ofyk-v f-rgbd.oe5atp-nq /g 10 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 e4y5pmddq+fex qq14f f(0i-o of the velocity vs. time of a duck flying due south for the winter. At what point did th (4x-mfddqfy0 efp qeo4i5+ q1e duck stop its forward motion?

  99.17: This question refer to the diagrh/i* utp 7zd h2-y7ytoam below which shows the position and elapsed time of a car starting from rest and uniformly accelerating in a straighth 2o/77hdy yu t-z*ipt 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 posit/ipm(uryey hue;tn:ifji 39l5i r8 dvi7r0 .,ion and elapsed time of a car starting from rest and uniformly accelerating in a straight line. The average acceleration during the entire 3 second interval is closest t rii y(jvp/hiiiy l0ur f:39ne,8mt;7u5.de r o

  99.20: What is the shape of tye3xw lc4 ;,rope/1oahe velocity time graph for an object with the positionwrapee l,oy 3cox4; /1 time graph shown in the diagram at right?

  00.28: The following question refer to the foq a-ev,n i5v(kc-ox6f llowing information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hitscq5nf6v(e o,-vk-iax 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 quest4 d2hzheo(x8n rkfa .0ion refer to the following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebound(0o nzxh8d 2 k.er4hafs 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 ,,mmnsxbyywa 4z-+7z 93s ib mspeed 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 scena)tcgpz oqvg.9xxk .mv5x 8/+xrio: 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 scenario: At m, q-j6tvf l)a$t_0$, 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 cy4 mnd4uzga yq7ce.34y2v: trefers 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 vfhzd.j,ckg59 b51 jy 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 :r*6/mpp: w24,xhz*y jrfolynu n uu,ramp, across a horizontal table top and off the table edge. Whic:2 o :x/r*l,j4fpy6u wyn*m pznh,ruuh 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 and time fzw)b )7dsf:l;kgei;bzq 9u n*or an object that is moving along a s)lz7 *efw;g9k: zbdi ;bs)u qntraight line. What is the instantaneous speed of the object at t = 5.0 seconds?

  02.02: The graph represents the relativ d y7+jo9,tggonship between distance and time for an object that is moving along a straight line. Between what times did the object have a non-yjv 9g,o7 g+dtzero acceleration?

  10.07: A small object is thrown straight downward on Earth with an initial s c2x1mg0gmt;h peed of 12.0 m/s from a position 10.0 m above the ground. Ignmg2g 0t1;hxmc oring air resistance, the speed of the object when it reaches the ground is

  02.11: The diagram below represents a toy car starting from restiui0pnaq 96:l rf9)o e and uniformly accelerati )9l0np96iaei u:f roqng across the floor. The time and 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 rest and unifo r+dv2liqtz6 ;rmly accelerating across the floor. The time and distance traveledt dl qv+z6r;2i 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 toy car staea c;,s8rg,qo t*1htwe;fu 43 0tmzmnrting from rest and uniformly accelerating across the floor. The time and distance traveled from the start are sh r t,cnfqz4t3e 8o;m,1m uga we0;sht*own in the diagram.
What was the instantaneous velocity of the cart at 96 centimeters from the start?

  04.08: The diagram showsxs*hl:/ rqf7thkb)x6fp q8 )r a uniformly accelerating ball. The position of the ball each second isxrp x8) sqhl/ )hf7*6:bqtkfr indicated.
What is the average speed of the ball between 3 and 4 seconds?

  04.09: The diagram shows a uniformly accvj/ he( km*zx;elerating ball. The position of the ball each second is indicxk(zejhv* m/;ated.
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a circus clown on adj9le4)ur)tz m1g .h z unicycle moving in a straight line is shown )l )h tz9u4dm.1rezgjin the graph below.
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 sq)ykk*)y0ym +.sibg: h(arg ttraight line is shown in the graph below. (*t.yqgk0b mka)ry:i sg)yh+
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 suo,y1fh9(yjdi-fy+o5vc sa k,c4c2 rjc1u n 2orface of the earth

  03.11: The accompanying graph describes the motion of a marble on a tabj0,c8i*jn yhl le top for 10 seconds. For which time interval(s) di *h8i0c y,jjnld the marble have a negative velocity?

  03.12: The accompanying graph des +ia) 0es;ct0luh2pjwcribes the motion of a marble on a table top for 10 seconds. For which time interval(s) did thj+0au0)il2 hw sp;cet e marble have a positive acceleration?

  03.13: The accompanying graph describes the motion of a marble on a tabl8;l 1ki 0 f5hfb0oqyepb5w*rae top for 10 seconds. What is the marbles average acceleration between t = 3.3 s and t8baf;*y oherwfq1l5 0kbip 05 = 3.8 s

  03.20: A car accelerates uniformly from rest for a t gng)8;0/chs9pk vl r.ay(vq fime of $2.00\;s$ through a distance of $4.00\;m$. What was the acceleration of the car?

  16.06: An object, thrown straight downward with a spr7mao04 m,v0asn7 o:kdvxyf7eed 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 r-a h hm2 ogb4.;8wxltiepresent the motion of an object moving with a cons4-ahl.;2wtgxm h ibo8 tant speed in a straight line?

  03.24:The accompanying graph describes the motion of a toy c+ycc *u1hfzg: n12jhsar across the floor for 10 seconds. What is the acceleration of the toy car at t = 4 suycf hh+ c2sg1n1z: j*?

  03.25:The accompanying graph describes the motion of a toy car across the floor 6h 98(d prt1tsyy8tae3eyzs*for 10 seconds. What was the total displacement of the toy car for ts6re 3 e*sh(yt89 8dyyp zta1the entire 10 second interval shown?

  03.26:The accompanying graph describes th--pcf*, yhrjvf0hkpe() 5( se rk1aws dut56fe motion of a toy car across the floor for 10 seconds. At what times or time intervals must the net force on tp5d5)0 vujk-6,ee(fstc(f wrah yf rp *k1sh-he toy car be zero?

  16.03: A car accelerates uniformly frolj3rjy3pv ehj n8g) 5ns-,; icm 0 km/hr to 60 km/hr in 4.50 s. Which one of the following choices best represents the a8h5il3vj) jnce3-,n rjspy;g cceleration of the car?

  06.07: A car has the velocity versus times0+/ c nfb/eiz tuq,ov sy/*a7cx:vb- curve shown. Which of the following statements regarding its motion is NOT CORt7-fv c/0a* ibuq/vbx,ez:s+co ny/sRECT?

  07.17: A toy car moves along the x-axis accordixmbq 0s2xy :;r 0k5t 9eb*z3*unwe eipng to the velocity versus time curve shown t3web kzbp exq:;2em 0xin5 u9**0ysr to the right. When does the car have zero acceleration?

  06.22: During an interval of time, a tennis ball is movelyb( hm 7 t,,zcjm8bt)(js d,sd so that the angle between the velocity and the acceleration of the ball is kept at a l( 7t8bcs dm (j)sjz,mb,, thyconstant 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 otherrxti)7a)sla2 b+o* zc .)7+bxzraloac 2)it*s
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 qcr g/d2awmg+ twf2lb2ag7 18 the acceleration is positive and incre2 /gagb7 c8ga f mdw1tw22+lrqasing

  07.12: The definition of average vel)pv5se7m +j(,a xaii eocity is

  16.18: For any motion in two dimensionvaj25m/-lq0 cn ykl a+s, which one of the following choices identifies quantities that must haa-0ym jk vn5c/a+lq2lve the same direction?

  09.17: A toy car mov4aka96xfnu5ft-o pr- u 5g tyawye1/9es $3.0\;m$ 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-time,f4l06 t 3nbynp $y\;vs\;t$, 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 timez1 b l *epan(yuc/u9 ma)yr6chh z(0x, T in two parts.anby(e zhru/lcpx) a, (zu10*96ymhc
• 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 rw0a ,*3ecjlkz :/ie pr9 9lapa car on a straight track is shown in the diagram. The thick line represents the velocity. Assumki ajlcr,lz 9ppae3/r: 09*we e 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 f h9d/sc8.bteeer f4 p.i64kdstraight track is shown in the diagram. The thick line represents the veloc/sdpf d4 cebt8e94ifer.k 6 .hity. 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 objeq l4f +y0ypp+gct given by the position vs. time graph shown. For what time(s) y+0p+4pgfl y qis the speed of the object greatest?

  10.11: Consider the motion of an obz kod9d9gyzx/cb 2/*sject given by the velocity vs. time graph shown. Forzxy2/ds gz* d 9oc9b/k which time(s) is the acceleration of the object equal to 0?

  10.24: By computing the area under the acceleration vs. time ;qtm 18:efqm0hzyo ro 3t i+s/graph for a fixed time interval of an object’s motion, what quantity has been determined for that s1zq3my0/ei;:r8qm ttfho o+ object?

  11.08: An object moves along a horizontal linej 5 )jrn*f mp,dsl5de;yjm:q; 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 tril )qg+xpfwm8mjw gk+w5 t0t(4p 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 thd1 *a9x/cvx wk/s;1oi txk7oke 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 gwb) mya 0i0h2cround 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 partic -p9.*gnmwm0r xh kj7w(etjs: le moving along a horizontal axis isspt7:j jrn.-hk e w*xg(9mmw0 shown. What is the total distance traveled by the particle from t=0 to t=10s ?

  13.18: Which one of the following choices cory z4q,;d ta3turectly identifies all of the listed sdqa3 z4y;tu t,ituations 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 aln9ocssd 5ru0+qb2v 6 rong a line is shown. The object starts from rest at time t=0 s. At what time(s) does the object attain a vdu rsn0cs 2 6b+or95qmaximum displacement from its starting position?

  15.17: An object startco4 b:3ntmo /ns 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 the object is moving away om/cno:b43 tn from the origin?

  15.09: Two cars are moving to the y.p*p;uyn w82dpjwz.9 t .(ym yy.plbright on a horizontal track, each with constant acceleration. Atn ;b.mtppwd .yy(..9*pyy uyl pz 2wj8 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 posih+ e):osg0n bition $x$, 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 following choiceryy .1 x6fqmc2m *t)xus corqyufr*.6c2 mxty) 1xmrectly describes the relationship between the average speed of the truck to that of the car?

  15.42: Which one of the following choices be9 u*dsr,e)rg5: j :b v.hjicunst describes the instants of time, at which the r:v u:dci95srhg*.ejun ,b j)car and truck travel with the same speed?

  17.30: Two cars P and d+ r 9qz0q9d-.g)am+yq tor tzQ, 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 following choices correctly ident +rtmd 9-0+ozgdzqta.9q) qryifies the relationship for both the speeds $v$ and the positions $x$ of the cars at time T?

  16.02: The position vs. time graph o el ctsib;y*t3d3 0e k-ur.:sbhv z1r5f an object moving on a horizontal line is shown. vzd.ttk0;s s 1-rlcbu3ie3e* :h5r b yAt what time(s) is the object moving with its greatest speed?

  17.08: A mass moves along the x-axis srna olqz:hx7 78ew; ;;nr;wh following the position vs. time graph provided. During what time interval(s) does the mass have zero acceleration? x;:sr7;n;wl 8ahq h7rz;on ew