10.10: A particle travels at a constant speed around a circular path of raditrucd z4j f0,s; s4cs7vtix2/us $R$, 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 referencev(*ufx +7xxhd to a particular direction (*vxx fxd+uh7 is called

  12.29: A vehicle completes one lap around a circulml k)n.pzews( w)(. e,oc2wknar track at an average speed of 50 m/s and then,klwnc. ) )e2n(e wmsp.o kzw( 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 the15fn3h. 5. :aaxcs pvnnqzye 9 constant velocity. If it continues, how far will it travel in 3.0 ss9fan1 z3qnn 5y5.x.v pec:ha ?

  05.34: A 40-kg boy is stationary on a 30-kg plank that is sliding atsa ztih( 83ax,,b lo0n 5.00 m/s to the right across a frictionless pond. The boy then turns and starts walkingox 3tizab(a8n,s h0l, 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 kmdyi8yp ,glc5n;u7 p/v/h and 400 km at 100 km/h. What is the average sp5 y8d/upgvyicn;,7 lp eed of the motorist on this trip?

  97.20: This question refers to w7( i hm (jt9 .-hudibd,c+uptthe motion of a toy car traveling along the x-axis. The gd(9 h ,7+m-(h.pcbtuu itjwdiraph 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 traveling along q6kx0+ xc der(bb r 5sm1tb)4hthe x-axis. The graph shown below is a plot of the car’s velocity in the x direction, b b xxk)csb0q(r mrh4et1d+56 $v_x$ versus time $t$.What was the acceleration at 33 s?

  97.22: This question refj77xf rwixq+/plc7t :u:5mpas kb j jey617/lers to the motion of a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velocitylur6/7 tyj7q ef 5jxb wxis7:+1j m/lpap:k7 c 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 f z r k:5z0 +ra3hxd+qe;blxq/qlying due south for the winter. At what point did the duck stop 0 z:r/ ;be la3rqk5qzxdx++ hqits forward motion?

  99.17: This question v+vf. p;;c(c qlsez9m refer to the diagram below which shows the position and elapsed time of a car starting from rest and uniformly accelerating in a straight 9pl;;vz+c evmsfc.(q 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 and elpnsd8*e ooxxxpk;,m3xck0 (6apsed time of a car starting from rest and uniformly accelerating in a straight line. The aver0 xk 8*kxp(sepmcxnoxd6,o;3 age acceleration during the entire 3 second interval is closest to

  99.20: What is the shape of the velocity time graph for an object with the pa8 ) ,,dcmril vxt8ss*u wi p80+udxz3osition time graph shown in the diagram at rightrlxz tus38), i0*mv8s+uxi,d cdwpa 8?

  00.28: The following question refer to the following informi psmpi -w.wk 42qk*v3ation. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebounds to3-qp .i4 wi*v2kpwk sm 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 questit / thh0xv9f:zon refer to the following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebo/ h9htt0z:v xfunds to its original height.
Which of the following would best represent acceleration versus time for the bouncing ball?

  00.39: If a boat can tr)) c2vk9c;ru7bb jgcoavel with a speed of $v$ in still water, which of the following trips will take the least amount of time.

  01.01: The question refer +k5b)tpkalftfl64 dbv3bow/ 7wx9k aw o,n8(s 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 following scenarif+/n 7dtd 3ylxi:dis+o: 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 scenario: 45o *px8eh6rwo1i+e3urzi yvqi9s9r 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 followi:syo6n vw+7o ing 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 ofsa c 5zzf 59.ddmz-/qhf the table edge. Which of the following 9-5zhzs qcm5 daz/.f dwould best represent a graph of the magnitude of the ball's acceleration vs time?

  02.01: The graph represents the relationship between distance and tim 1 3) qt8kl b4sb/n llur9ay*a*tfa:yze for an object that is movin 94*qlal*t1t kynb/fb3 rsuya:)8z lag along a straight line. What is the instantaneous speed of the object at t = 5.0 seconds?

  02.02: The graph represents the relationship betwk izt+e-i(h ch; 6k5nueen distance and time for an object that is moving along a straight line. Between what times did th hkeku(5 c;inith +z6-e object have a non-zero acceleration?

  10.07: A small object is thrown straight downward on Earth with an -z3j xbh9n2c d28 zzjdinitial speed of 12.0 m/s from a position 10.0 m above the d8jd 2xzh9zjb- z2c3nground. Ignoring air resistance, the speed of the object when it reaches the ground is

  02.11: The diagram below represents a toy car s)d t(p o(kdg3es(x7yvtarting from rest and uniformly accelerating across the floor. The timepyxse( kd(( 7)3g dovt 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 c r3f1off4xh8a 2lkvj6ar starting from rest and uniformly accelerating across the floor. The time and distance traveled from the start aref1ofjxk f lr2 436va8h shown in the diagram.
What was the acceleration of the cart during the first 0.4 seconds?

  02.13: The diagram below rep-5 8xorn,wlu u3r f9vdresents a toy car starting from rest and uniformly accelerating across the floor. The time and distance traveled from the start are shown in the diagramrwl uxoudrfn9v - 8,35.
What was the instantaneous velocity of the cart at 96 centimeters from the start?

  04.08: The diagram shows a uniformly accelerating ball. osc)q/ )/cc uoThe position of the ball each second is c/o/)) csqocu indicated.
What is the average speed of the ball between 3 and 4 seconds?

  04.09: The diagram shows a uniformly accelerating ball. The position of the 98b s7/ib/bm.hnw dilball each second is indicated.7w9nib bd8/ h.lm/b si
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a zrqpt*6-sob - circus clown on a unicycle moving in a straight line is s*--bzro t qps6hown in 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 movinaq9 ip tq-h f)4fsv1rmw 05/epg in a straight line is shown in the vsm914-q) f/5ehwrp0 ipfat q graph below.
After 12 seconds, how far is the clown from her original starting point?

  03.04: When an object falls freely in a vacuumalimvwml u f1 jl d7my500tay;/y :qk.6u*f *j near the surface of the earth

  03.11: The accompanying graph desa, 2 dy8m4 y5vaz/vedgilmj :4cribes the motion of a marble on a table top for 10 se82va4vigy ljm:za e 4d,5md /yconds. For which time interval(s) did the marble have a negative velocity?

  03.12: The accompanying graph desc/ -uexr/ 1 a7ou(xscfrribes the motion of a marble on a table top for 10 seconds. For which time interval(s) did the marble have a positive accels //7 ax-r1uo e(xfcureration?

  03.13: The accompanying graph describes the mxs( h+ckg: uh6 idfxtbmtml2s 9z:68f2.w4uaotion of a marble on a table top for 10 seconds. What is the marbleswac9+f:6:4(dst bm2mxkxl 6h 8.uiufz2g s ht average acceleration between t = 3.3 s and t = 3.8 s

  03.20: A car accelerates uniformly d c ce:q./kebps*7 0uafrom 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 downward with a s69 b5+sxtcjpw)9 ah q)jx ypr0peed 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 folloh.rb,2l20u atv .kpsswing graphs could correctly represent the motion of an object moving withar p .sult2,bs h.20vk a constant speed in a straight line?

  03.24:The accompanying graph describes the motion of a tckk8f.b6 u.d49w efo xoy car across the floor for 10 seconds. What is the acceleration of the 6 ex.94 ukodffw8cbk .toy car at t = 4 s?

  03.25:The accompanying graph describes t *7idd 8oud7ewf fxsfhvco0 ,4qjw2/84fhm*xhe motion of a toy car across the floor for 10 s o *d2x8q,ffh4sce 8h4uidmvf7*f/do70wxjweconds. What 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(-uw rss ruf*v-u 2va, toy car across the floor for 10 2 rfu rs*-vusa(wv,u -seconds. At what 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 60 km/hr in 4.50 s. 40e1 3*hrvxsf dd)dpg oga+uh;*lwk 3Which one of the following choices best represents the accel3*v0deohsdda r)gx4p klu3;+fhg*w1eration of the car?

  06.07: A car has the velocity versus time curve shown. Whic-y( s):org(aju,:.jo bpcnp3zpx iw3*ibu k9h of the following statements regarding its motj3rau)yi , * (9o:3b.kpcgx :sp p-wi(jbunozion is NOT CORRECT?

  07.17: A toy car moves along tgbkk+;e olk.:he x-axis according to the velocity versus time curve shown to the right. When does the c lk kgko.;be:+ar have zero acceleration?

  06.22: During an interxmiajmmy7,n7 d /0gn+val of time, a tennis ball is moved so that the angle between the velocity and the acceleration of the balyjnam /+gxnmm 7,i0 7dl 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 eacv 9u)05aq) e owmuiua.h other.ov a9u))a uw0.i5eqmu
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.2z/nm g(uksjs3qxr rha:6w 20 When the acceleration is positive and increar ghrsa2k s wux0z2q6(j/m:3 nsing

  07.12: The definition of average velzrd:mf4,mhl, l nh(l1ocity is

  16.18: For any motion in two dimension3pk rwacd;9: gs, which one of the following choices identifies quantities that must have the sam; :dgp9rwkca3 e direction?

  09.17: A toy car movesxeya+ w l+cga8 8bdm 9hpi8,/f $3.0\;m$ 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,/93 gce7ak5 mv-fu ojo $y\;vs\;t$, 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 thee:8 *w u12xhkryu2 o.c3wfe yu right along a one-dimensional track for total time T ineyuw2.rc1oyw8uk :* x 2uf3he 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. time graph forz 5;e. z.xhzde the motion of a car on a straight track is shown in the diagram. The thick line . edz5xhez;.zrepresents 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 y e 4bkaf-*g uu1s4av*graph for the motion of a car on a straight track is shown in the diagram. The thick line r*v 4g-a ys*1 eu4kbuafepresents 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 vs. time grapd3:1kowf7njp j j*v 0xh shown. For what time(s) is the s:wjx jf0po *j3v1n 7kdpeed of the object greatest?

  10.11: Consider the motion of an object given by the ve+bwl lu)w2v 8,ayb nsd+b,2splocity vs. time graph shown. For which time(s) is the acceleration of the object 2sbvu8,sdw+) l2nw,+ybp lba equal to 0?

  10.24: By computing the areqcftd gbx8ox )b( ;/z+xw 9:,k jzv 6esznf2*wa under the acceleration vs. time graph for a fixed time interval of an object’s motion, what quantity has been determined for th 2 *n qojc 8z;,k:f wze+ fxw9bxdb(zv6gtsx/)at object?

  11.08: An object moves along a horizontal l ejy v ivva5opx 3:z6+p7)6enkine 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 in two pa*qm:3u14bkbm c:njcd rz+, o7 h )civ pdn;u9frts:
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 thzvl6(-kga)ic 0tg)+q8gzi s sf66tfrom 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 ground in a timeul p.450xwom)tz 6o8 skkyl9w 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 horiini7gvo-/b u 9zontal axis is shown. What is the total distance traveled by the particle from t=0 to /goi ni vb79-ut=10s ?

  13.18: Which one of the following choices c gl9r kz6:i) n(zsnsw/orrectly identifies all of the listed situations fg k)nl(96 s r:szziw/nor 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 movz;o;8l+wp pbzy tss aka(q 8;2ing along a line is shown. The object starts from rest at time t=0 s. At what time(s) does the ob 8;s2w8 b(t;a qy+lzazpos;kp ject attain a maximum displacement from its starting position?

  15.17: An object starts at the origin and its velocity along a line vs. time i3+ e,hjoxgb4e s graphed. Which one of the following choices best gives the proper interval(s) of time for which the oej4eg bh+,x3 object is moving away from the origin?

  15.09: Two cars are moving to the right on a horizontanoniz (v.oa0 2l track, each with constant acceleration. At an instant of time, the inforinnoaz 0v(2.o mation 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 hap 5t*ize6: q.5 gtiny9rblx ; ynflwh+/6bro5s a 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, whi,zpay)nli 7x,..jzgrgf9 h- t ch one of the following choices correctly describes the relationship betwel,n g 7 )jpgz.za.,iry-x 9fthen the average speed of the truck to that of the car?

  15.42: Which one of the following c990 ,me ue.gyhick,+pavuu1 choices best describes the instants of time, at which the car and t9 ege9vk.mcpi,1c u+au, yu0h ruck travel with the same speed?

  17.30: Two cars P and Q, each start from rest at the origin and will z ;nc0 )tt cg7bzl2gt-move along the x-axis. The acceleration vs. time graph for each car isn-l)g tc ctg;07zbzt2 shown. Which one of the following choices 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 a horizontal line 6o:*xvjppq.n is shown. At what time(s) is the object mp.pnv xj *:oq6oving with its greatest speed?

  17.08: A mass moves along the x-f4p -cfakf *m85l 5mboaxis following the position vs. time graph provided. During what tpm5ff 4fl- 5*bc 8koamime interval(s) does the mass have zero acceleration?