10.10: A particle travels at a constant speed around a circular path of radi 6-drmou 797rcmw nrx(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 diis5axl: u*dxm9 rvwi z9+( *zjstance per unit time without reference to a particular directio+x(9*: u mladzjw i5x*9 ivrszn is called

  12.29: A vehicle completes one lap kxy+tlw2 (7wq45 zoaa* ih(1gm ick z+around a circular track at an average speed of 50 m/s and thei ta qak4cw 1g zy+ki( z2h+omw*x(l57n 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 the constant 9 ot)mc; w6d xgbal2yqfy;+x(velocity. If it continues, how far will it travel in 9m6bt ;oq(2yfgw xd+;)cxayl 3.0 s?

  05.34: A 40-kg boy is stationary on a 30-kg plank that i r;d v9.z)j 0 mq.fc, 4byfcs3jieq-zas 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 4.00 m/s to the left, relative to the plank. What is the speed of the plank relativefq4. yib;, j.jr9qzf0 cdma3v) zsec- to the pond now?

  97.18: A motorist travels 4(3 cyt1r(dpj7(jjmu f00 km at 80 km/h and 400 km at 100 km/h. What is the average speed of the m( t73j(pj djm( f1yurcotorist on this trip?

  97.20: This question refers to the motion of a t2 zsm; nq*k7idmqr* *8cw4ocn oy car traveling along the x-axis. The gr *dc;*rns 4om*wn7q 8mzqkc 2iaph 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 ,1lm of)8x4 qpvu+0xbzd2ckf a toy car traveling along the x-axis. The graph shown below is a plot of the car’s velozp k+voxu0 d)mf1f84 b qlx2c,city 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 al6 ; zpibg)npv1 7k;9tulfu. traveling along the x-axis. The graph showntg;l7uan1pkvbl9 ;p6)u zfi. 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 graph of the velo/w b8 ,k(ts9p kcfddd5city vs. time of a duck flying due south for the ps d5(c fb9/dkw,tk8dwinter. At what point did the duck stop its forward motion?

  99.17: This question refer to the diagram below which shows the position p5zqjhmof 3 vm0sk2*.and elapsed time of a car s2k0q3m5mhv psfj .*zotarting from rest and uniformly accelerating 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 w:,ps f1.dvgf tb1q2 jcr15plmhich shows the position and elapsed time of a car starting from rest and uniformly acceler1f 1 dprs5,vjm2q .t1f:cblpgating in a straight line. The average 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 posiu6lfb2 l 5y9 wst1mzn+tion time grym+ nwf9blul51sz 26 taph shown in the diagram at right?

  00.28: The following question refer to the following information. An3 zya:y6j i1yd ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and :1yy3j zi6ayd 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 refersh/ ziu7n0md8 to the following information. An ideal elastic rubber ball is dropped from a height of about 2 meters, hits the floor and rebounds to its original height 8m /duzh7isn0.
Which of the following would best represent acceleration versus time for the bouncing ball?

  00.39: If a boat can vte/mt7s1k m ue,q5unj772be 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,f wfv lxx94+mfers 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 fo.otzu/kwiu6 ri 5lc fjvw u43/93mf )ellowing 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 refers to th1/mi1vp -zjugez9e y, e 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 thaf4f fmm +4 ig6u az4)mc4w-kqe 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 do*p3 gtin r0nd.wn a ramp, across a horizontal table top and off the table eti .pngn d*r03dge. Which 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 for gwiv+ k21bs (jan object that is moving along a sb j+g(1 kwiv2straight line. What is the instantaneous speed of the object at t = 5.0 seconds?

  02.02: The graph represents the relationshe-9og 0 xmv()bsq,o 6y3hvrkg+ o 967jdb ropdip between distance and time for an object that is moving along a straigh ob,po7hsbd6ge jk-r 9oy x m03)ro69+g(v vdqt line. Between what times did the object have a non-zero acceleration?

  10.07: A small object j+ kyljzhxo/8ddy0 e-ip tyaj04/;g7 is thrown straight downward on Earth with an initial speed of 12.0 m/s from a position 10.0 m above the ground. Ignoring air resistance, the speed of the objectji4 dta0/x0kopjy-y e 8 h;7zldg+/jy when it reaches the ground is

  02.11: The diagram below represents a toy car starting from rest and unif+fdz netc 6kr;nv .*)hormly accelerating across the floor. The time and distrzf.*)vnkce;h t+ nd6 ance 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 belk5)ukr5* l:3qhrkk ui ow represents a toy car starting from rest and uniformly accelerat lh5kuur5i: kkr* kq)3ing across the floor. The time and distance 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 below represents a toy car starting from rest and unifojm rj8ujh :. xzzv-* )qkr0n4mrmly accelerating across the floor. The time and distance travelj4: )jqu0nm j*mr-krz8v . hzxed 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 v c txhgiqfkldop)unv:-p ; 3n)5,-3buniformly accelerating ball. The position of the ball each s , )pplq- bnti5fukgnh3c vx-v;3:o)d econd 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 pogg 1sfa-y0row562 d,r :vw3 a:hdlqjgsition of the ball each second is indicated.o ddgv0g,6 -qr2:a:wf w1rajg lsy53h
Which of the following is closest to the acceleration of the ball?

  02.17: The motion of a circusndl4azumi+ /, m+5i wt clown on a unicycle moving in a straight line is shown wua4 zd+n+,/li mm5i tin 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 st.r ay3n6dz yggsd688 uraight line is show6gdy3 u 8zyn6s8ar g.dn in 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 near the surface of adf,2a78z2dvl*duy nthe earth

  03.11: The accompanying graph describes the motion of a marble ons7; 9zcrrx:sc a table top for 10 seconds. For which time interval(s) did th;:r 9scrczx s7e marble have a negative velocity?

  03.12: The accompanying graph dc;zt g*rdpu7nzm55k e21 c7,z uya 5pbescribes the motion of a marble on a table top for 10 seconds. For which time interval(s) did the marble hav *c d 7uu5ba5mzp;rzk1n2zct 5,gp7eye a positive acceleration?

  03.13: The accompanying graph describes the motion of a marbd dr0v 4;,wpzwle on a table top for 10 seconds. What is the marblzpw ,0drd;w v4es average acceleration between t = 3.3 s and t = 3.8 s

  03.20: A car accelerates uniformbg+d e. gce 9-q5f,zsbly 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 straig3: fo:s6t9nctv2 9o9wjnpe /hhdubh 1ht 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 graphs could correctly represent them f 4d,,mngi;d motion of an object moving w d4mnm idf,;,gith a constant speed in a straight line?

  03.24:The accompanying graph describesj4ua k ieg)r/ 5rsae 1n+e2wp1 the motion of a toy car across the floor for 10 seconds. What is p wsrj24)5u+anke 1aei1rge/the acceleration of the toy car at t = 4 s?

  03.25:The accompanyi qv79hcissj 7 2ni ze).grh68ing graph describes the motion of a toy car across the floor for 10 seconds. What was thsi 87 gve 6 2hzijs9qnhc7ri.)e total displacement of the toy car for the entire 10 second interval shown?

  03.26:The accompanying graph describes the motion of a toy f90x 0zpu b a z:ih2jvm10b,dycar across the floor for 10 seconds. At wha bdz9 j1puy0vf00xb mi2z, :hat times or time intervals must the net force on the toy car be zero?

  16.03: A car accelerates uniformlx/z ymtdg;g/2 jv0yr /knb(+ ay from 0 km/hr to 60 km/hr in 4.50 s. Which one of the following choices best represents the ac+2/(ra by;ggz/kd y /m 0ntvxjceleration of the car?

  06.07: A car has the velocity versus time curve shown. Which of mkj 1)ulu0pyu(4i vl9 the following statements regardi 1u0kil 4lvmj 9p(yuu)ng its motion is NOT CORRECT?

  07.17: A toy car moves along th6o 1a3wbmuw0z e x-axis according to the velocity versus time curve shown to the right. Whem3wa6ouw z0b 1n does the car have zero acceleration?

  06.22: During an interval of time, a tennis ball is moved so that 1a ;sdd w.5zugthe angle between the velocity and the acceleration of the ball is kept at a constant 120 degree. Which statement is true about the tennisad5 ;sdw gu1.z ball during this interval of time?

  07.03: Two automobiles are 150 klp 6y 8(5b5 tgrd.vpfailometers apart and traveling toward each other.pyg856pr t5.l bf va(d
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 accelerati43im swj 9 3nz2wa1tgazt o:b9j+h0baon is positive and incre3g94zjs2 m b1o h0bw9a3t+i an tajwz:asing

  07.12: The definition of average vew ::4(;svez ez:ryz5-oe;viib x6hj apw(v ,elocity is

  16.18: For any motion in two dimensions, which one of the following choic1gdlyswn++ i+v .bj9aes identifies quain1v9+dj+sg+y .b wl antities that must have the same direction?

  09.17: A toy car moves a o.z*gnwr*-*y7qcbkr5 /q gb $3.0\;m$ 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, yar- /txnpi;nv)g-0yq: x gr0 $y\;vs\;t$, 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-d o)ao,klsp.f9imensional track for total time T in,ks)ap9l .ofo 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 for the motion of uv;sf.b9/um/ ty) sdf a car on a straight track is shown in the diagram. The thick line represents the velocity. Assume that the cad mf./yssvbt );f9u/ ur starts at origin $x=0$. At which time is the car the greatest distance from the origin?

  08.24: The velocity vs. time gr/af9szul hbwq10tf )*(h i6n zaph for the motion of a car on a straight track is shown in the diagram. The thick line represents theizq1/hh*(tlu bwffazsn906 ) 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 obqaf- n/8skr2q wgz67 il8 f.cdject given by the position vs. time graph shown. For what time(s) is the speed of the obj7gfls8k6d8/a.- qfz2rw iqncect greatest?

  10.11: Consider the motion of an object gi7agp+6g2 ox,8r 6gawx;tdghq r0fr 7d ven by the velocity vs. time graph shown. For which time(s) is the acceleration of 6wo7xr g,pd 67hgr 8atf;gda qxr02+gthe object equal to 0?

  10.24: By computing tndj*qx+7v st6 b0x 6fi(p(en lhe area under the acceleration vs. time graph for a fixed time interval of an object’s motion, what quantity has been determined for thad6x0be ( fijp6nnvq tls(7 *+xt object?

  11.08: An object moves along cpd gqg+,0 ;/bt5lzwq 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 in two parts6h k xn :;j-6bupzh-sj:
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 andz xryof87 zu-4 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 restdz ;p5rz,r ox pjg(4;j 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 axiskfhll1 - rxpd(i/;b qc:o)4m e is shown. What is the total distance traveled by the particle c1q o :4(-d/mrhillfpxek)b;from t=0 to t=10s ?

  13.18: Which one of the following choices cortsx:2 4xe-m 9:mn k7foxv7dof+a- qn jrectly identifies all of the listed situations for whicxo a dmmk9+fs- :74jxef7 v-x2ontnq:h 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 along a lin98+xz+giv ; *irk svswe is shown. The object starts from rest at time t=0 s. At what time(s) does the object attain a maximum displacement from i9x*v ;wsr8ki sg+ viz+ts starting position?

  15.17: An object starts at the origin and itin9k. q **6n bdaamvh)s velocity along a line vs. time is graphed. Which one of the following choices best gives the proper interval(s) of time for which dnm*)bhav.ia* 69n q kthe object is moving away from the origin?

  15.09: Two cars are moving to the righ v(hvws 2hh2n2+bhf.bpbek 6,t on a horizontal track, each with constant acceleration. At an instant of time,s6hh 22 e .bb+ ,bwp2f(vhvknh 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 1r619tz rtseyq +1yfla 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 graph9 znt+:,zlna3t 1:*xz wumbfv, which one of the following choices correctly describes the relationship between the average speed of the truck to tha9xmnz n,1z:bt ltfz:3w a*u+ vt of the car?

  15.42: Which one of the followinp5tgj /.o6n a3xnrm: eg choices best describes the instants of time, at wpj3 ex5or:mgan.t n6/hich the car and truck travel with the same speed?

  17.30: Two cars P and Q, each start from rest at the 0*j(h+ds bgi dv bof1j65)uw corigin and will move along the x-axis. The acceleration vs. time grap1 ifj 6wvb5d0u*+g )objs d(chh for each car is 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 horizon84 8 fb(n*ldd/z kn7hikwzv./)a gckstal line is shown. At what time(s) is td84az b dkzhgsni()v7fkw /.c8 /*lknhe object moving with its greatest speed?

  17.08: A mass moves along the x-axis following :l8-z4( a4slu ,i wt u gqk;bxopdm18cthe position vs. time graph provided. During what time interval(smpg -(i 8u,xzs4k41o8:t cqluw ;al bd) does the mass have zero acceleration?