Suppose that an object travels from one point i)j:szd83qmf/vzl75knl 3rd x n space to another. Make a comparison between the displaclfn5zdm 3x3)q j7/lk8z:svr d ement and the distance traveled.

  When is the average velocity of an object equrjg rs4/ctn6 579/i q2sphxjdj p0lh(al to the instantaneous velocity?

  A new car manufacturer advertises that their cp7 o8 jo7(67wqnvp r6p4, ,ml fwfoldbar can go "from zero to sixty in 8 s". This is a descr4 r7,(7fl o6 jp6oplw 8pqwmfnbo,d v7iption of

  An object moving in the +x axis experiences an aoan1xx8 4mzv6aq w23yzzc1 i(cceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car t 5i:9i:nga3l dhjx2z d8.2g:eqglk koraveling to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleration3gjqe i8 gnik g.2oz :kx:lhd52dal9:.

  Suppose that a car traveling to the West (-x direction) begin *-jkgm1- wczes to slow down as it approac-kem1gwz *c -jhes a traffic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Mak/7ab jl7ucha0 e a statement concernlhca b7ja0/7u ing its acceleration.

  If the velocity of an object is npe/p0o yjuw/ v l:q pzbu/vf7 ;.8vh5zero, does it mean that the acceleration is zero? Support yozvn5p//ohyu :u0vql b8wefp. ; j7/pvur answer with an example.

  Can an object's velocity change direction when its acceleration is constant? Sy2+8si * f ok(sna)scw8bf mn(etj-n/upport your 8ink b-(s )n2ocj(etf /*smf8 sw+nayanswer with an example.

  Suppose that an object is moving with consta1zr)ie 9 haaw5nt acceleration. Make a statement concerning its motion ie5)r 91awa hzwith respect to time.

  Can an object have increasing speed while its acceleration -1c uk1.qoqui is decreasing? Support yo1 u.uq 1okicq-ur answer with an example.

  Suppose a can, after an initial kick, moves up alongn*oa*w1bxw9 gjf tc- 5 a smooth hill of ice. Make a s gwbn59c1tj *of xw*-atatement concerning its acceleration.

  Under what condition is average velocity equal to the average of the object's i ph ntg6n .7u2 lcaz2mex-:qrs3ji7,xnitial and final velocix mjzt,i2l gs6xu32hacq7nenp.: -7r ty?

  Objects A and B both start at rest. They both accelerate at the same r a2*6g bl+8j7s0+lwv) l nuh9zzqmcjhate. However, object A accelerates for twice the time as object B. What is the final speed of object A compared 9 v6 a2 jhmbl0lu7g+8qsw+h*nl zcj)zto that of object B?

  Objects A and B both start from rest. They both accelerate at the same rato+ +boqarqy0f0 i us29e. However, object A accelerates for twice the time as object B. What 0fo2u90 + syq+oariqbis the distance traveled by object A compared to that of object B?

  When an object is released frm;b4bw1d ;un jb; ps6vom rest and falls in the absence of friction, which of the following is true concernin1pjb sm b;b n;vwu;d64g its motion?

  When an object is relea (vzq/t (l3ox*3yhxxx1i fvsb5wo+3 lsed from rest and falls in the absence of friction, which of the following is true concerning its mot 1ohzv(fwb*3(l/x to3v+5q yxx l3 ixsion?

  Suppose a ball is thrown straight up. Make a statement about the hf4tm ,276wz.ueg huo:hh8fgvelocity and the acce2 u8whe m h47 uf6ozg,htgf.h:leration when the ball reaches the highest point.

  Suppose a ball is thhp x 6so.uqrj3jw 6.o mi341nqrown straight up. What is its acceleration just before it reaches its h j3so 1h.r36wq.xqmupjn 64ioighest point?

  Suppose a ball is thrown straight up, reaches a maxpwlb ks ;)ef8;imum height, then falls to its initial height. Make a statement about the dirkeb;wls; 8f)pection of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a d5 rcr6*gpj irg p(( s/in98izmaximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball8j i/i9z(prg rp(ngic5r*6 sd is coming down.

  Suppose a ball is thrown dow lkm(7 )xpm0nwnward in the absence of air resistance. Make a statement concerninm) (xpk wnm0l7g its acceleration.

  Suppose a skydiver jumps from a hi(uyud fh. 8u;1lg7s jfaq(o, xgh-flying plane. What is her acceleration whenf1 lugx sqhjfoay((udu.78,; she she reaches terminal velocity?

  A ball is thrown vertically upward with a speed v. x7(h+ft cta-j An identical second ball is thrown upward with a speed 2v (twice as fastjc( t7fat- x+h). What is the ratio of the maximum height of the second ball to that of the first ball? (How many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of a buqt8 +;w5yu/b/uru bj ma3zs-6y tke*milding. One second later, ball B is dropped from the same building. As time progre+bkbzw q /*56 ;s/yym8 tatj-r u3euumsses, the distance between them

  Ball A is dropped from the top of a building. One second later, f i )0z 4uv+u bdu.;tt)ies,npball B is dropped from the same building. As time progresses, the difference in their speedsed,+04 );i.ptuuu) btv zsnfi

  Two objects are thrown from the top of a tall building. One is thrown up, and v* vqi/o5 io1l;xcco; the other is thrown down, both with the same initial speed. What are their speeds when oc ;/oq5 v*ix olciv1;they hit the street?

  A brick is dropped from the top of a building. A second brick is thrown straigk/cz).a m)c kgf6ri; n9;wluz ht down from the s;g6rzc lf.k u)n;amk9w)/ zci ame building. They are released at the same time. Neglect air resistance. Compare the accelerations of the two bricks.

  An object is moving with constant non-zero velocity in the +x axis. Thenjpse de-43a, position versus time graph s,-a 4je3dpne of this object is

  An object is moving with constant non-zero acceleratw:w-5;l- ero;hzh5rmz *n2xx czf 7r,-ql vtnion in the +x axis. The posi-*l5 vnrzex-o;t;n-z ,qrhfh2 rzlx5w c mw7:tion versus time graph of this object is

  An object is moving with constant non-zero vev iuwx 2)3jdw8locity in the +x axis. The velocity versus time graph of this object isd8iw)wvu2j3x

  An object is moving with constant non-zero acceleration in the +x axisn7 o ,jxokx:/s ;).lqxgzf9 ai. The velocity versus time graph of this obje9a7xo;ifg / )kx:,joqlxzs.nct is

  The slope of a positioa; jgmwb *+4yv1.iuzon versus time graph gives

  The slope of a velocity versus timesxwz 3 ;bql/(aggfco k-3y j05 graph gives

  The area under a curve in an acc ;1 c3wlyy hn nz+e.w,4cmspz)eleration versus time graph gives

  The area under a curve in a velocity ver xbpdl v9):g,ssus time graph gives

  If the position versus time graph of an object is a horizontal line, the obje x87l:r a(um(qqim k)act islqa m(k:(r87mxqa )iu

  If the position versus time graph of an obj; 5xcrq z0si-)si6cs xect is a vertical line, the object isxciz5s) c60s xs;qr -i

  If the velocity versus time graph of an object is a kl0ijz x3+25djfju2 vhorizontal line, the object is0j2jjvfd 3z5 l+k u2ix

  If the velocity versus time graph of an object is a straight line making an an)2(os -qfrqh yje 61z0rnde mbz06y l/gle o hsqn z26r)e0m-frd(oyy l e60bz/1j qf 30 degrees with the time axis, the object is

  An object moves 15.0 m north and 8v(gj8:z ca b7fbu3joj+j8m, j2foo/ k-c syythen 11.0 m south. Find both the distance traveled and the magnitude : 28jojyy/f- jc(+g3 bj,j8caozk muv8b7osf of the displacement vector.

  A boat can move at 30 km/h in still water p ;0/wyval8hh9h(q)vu gw3xwmr i,8l. How long will it take to move 12 km ;/wm wihlw 3hv )p u89h(avr80lgyq, xupstream in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609 m)7te y,3vtuh0y

  What must be your average speed in order to travel 350 km in 5.15h. hzj 8ej6.xa h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours and 5p02uwi(obmtyu/sqrl 99 r 1s.7 min. What is the average speed of the runn0(ptbor /l.9u9m i2us1yr qws er in m/s?

  A car travels 90 km/h. How long j4z ls2rey h. i/pan()does it take for it to travel 400 km?

  A ly (light year) is the distance that light travels in one year. (y*x4:jakon g4ysqy 7 The speed of light is 3.0oyy4ky :ags(* nj7 qx40 x 108 m/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road and you look2ci)+1npdpa br rak.: to the side for 4.0 s, how far do you travel during this n:ppaar1kr2c)b +id .inattentive period?

  If you run a complete loop around an o1+ zs.pq4.w rcwtc8b futdoor track (400 m), in 100 s, your averagewcfq.zb4c1 t.p+8s wr velocity is

  A polar bear starts at the North Pozhv7 o bm9:v3stp hh08le. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. This trip takes 45 min. What was the bear's aver9t3ohsv8 h 0b7vhz p:mage speed?

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km eas:qh e (5mys,kkjhb1* pt, then 1.0 km north, then 1.0 km west to return to its starting point. kjyhmbh e51p s(*:q ,k This trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from sc8az 9l/u )gtg(dk u7fyhool at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is y)/8 la 7uyg9g(kuftz dour hometown from school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is etj;-/zjl,1d fc.u akthe average spee;uet ajzj.,1clk/d -fd of the motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at jayq:o vxaxl0: d8)k2f,+ vjd100 km/h. What is her averagv 2::+a 0 yxafdodkj,vlx )8jqe speed for the trip?

  An airplane travels at 300 mi/h south for 2.00 h a/gk2swx :pjnb3aur6 0 nd then at 250 mi/h north for 75a 20rjk6x/:npgb 3wus 0 miles. What is the average speed for the trip?

  In a 400-m relay race the 2..0x /6 suov0 wqupqwbigyu*anchorman (the person who runs the last 100 m) for team A can run 100 m in 9.82i *.p uw y.ub6q0x0/uvgqsow s. His rival, the anchorman for team B, can cover 100 m in 10.1 s. What is the largest lead the team B runner can have when the team A runner starts the final leg of the race, in order that the team A runner not lose the race?

  A car decelerates uniformly and comes to a stop after 10 s. The car's avej;9k*wd+ n e0am+lu6i3r6)szbe fj j+g3rs nbrage velocity during deceleration was 50 km/h. What was i0l njg9 s6;+wzujjrn )+ r ks33+e*mba eb6dfthe car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the * kqtk 0(i zf247xwapwaverage rate of wtf*(pq7a4k zwx 2k0i$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate oi c3o:xuu m3;i zb88sqf $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest 9./ a z8r djv m8vsh:.suroos2f , ,ljjf(hy)wand accelerates at $4.0 \; m/s^2$ for 5.0 s, then maintain that velocity for 10 s, and then decelerates at the rate of $2.0 \; m/s^2$ for 4.0 s. What is the final speed of the car?

  A car travels at 15 m9 e3,a+rd0 tguad8bx2kdl) cc5gyqm. /s for 10 s. It then speeds up with a constant acceleration de+)8gu mx d3 aqgrc2l,dt0 y5 c9a.bkof $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initialh6 zt: h86cwkijx (4uz velocity of 5.0 m/s experiences a constant acceleration ofhh 8jx646cu tizkw:z( $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x direction) with a speed of 500 m/l *ji 8d1 0i0npj;z:rtuh tg4ds strikes a sandbag and penetrates a 0t 1j;8uzpl ri:j40gh it ndd*distance of 10.0 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aido mj i )/.ez6n+vnb5ircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. Assuming the acceleration is constant, n/m z5voi b).e+ndj6i what is the length of the catapult?

  A car starting from rest moves wits4al cth2x2v *y+ suj*h constant acceleration of $2.0 \; m/s^2$ for 10 s, then travels with constant speed for another 10 s, and then finally slows to a stop with constant acceleration of
-$2.0 \; m/s^2$. How far does it travel?

  A car goes from 40 m/s tra 6ki:fn1) zvp3iwgt,2 w ib9o 80 m/s in a distance of 200 m. What is its average acceleration?)np2tiv a6f r wgk3b:1,ziiw9

  An object starts from rest and undergoes uniform acceleration. During the f7bqlj; ), / otcrm9hk)*fxfufirst second it travels 5.0 m. How far will ib jkrl; t)cfxo*muf7 ,qfh)/ 9t travel during the third second?

  An object is moving in a straight line with constant acceleration.nc yil b,1k-xv mk 49pi-z.h*2bj)bwu Initially it is traveling at 16 m/s. Three seconds later it ijhx.ck b,ymvw) - k-iubz41nb i9 p*l2s traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and accelerateaqwtwa/c) 1c n.dev9q0 t bz7ax/q :1bs uniformly at $3.0 \; m/s^2$. A second car starts from rest 6.0 s later at the same point and accelerates uniformly at $5.0 \; m/s^2$. How long does it take the second car to overtake the first car?

A car with good tires on a dry road can decelerate atwtsyey785aq3.jqe: m about $5.0 \; m/s^2$ when braking. Suppose a car is initially traveling at 55 mi/h.
(a.) How much time does it take the car to stop?
(b.) What is the stopping distance?

At the instant a trafw uf q,6y5c)r l)mvlt6fic light turns green, a car that has been waiting at the intersection starts ahead with a constant r5 w6yqlmc ulf) ,tv6)acceleration of $2.00 \; m/s^2$. At that moment a truck traveling with a constant velocity of 15.0 m/s overtakes and passes the car.
(a.) Calculate the time necessary for the car to reach the truck.
(b.) Calculate the distance beyond the traffic light that the car will pass the truck.
(c.) Determine the speed of the car when it passes the truck.

  An object is thrown upward9: n9r0vavw jg with a speed of 12 m/s on the surface of planet X wher rg:0avn99 wjve the acceleration due to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a speed of 12 m/s on the s *dw,kw.jwdlcs* jp7 p9y 17je2d/awburface of planet X where the accdpa skc 77j/*y1ww ,wdwe bdpl j*9.j2eleration due to gravity is $1.5 \; m/s^2$. How long does it take for the object to reach the maximum height?

  An object is thrown upwa0en3t j z,y7jdrd with a speed of 15 m/s on the surface of planet X where the acceleration due to graj07t,3zd je ynvity is $2.5 \; m/s^2$. How long does it take for the object to return to where it is thrown?

  An object is thrown upward with kt3d; +gfq1vpzjby .3a speed of 14 m/s on the surface of planet X where the acceleration q 1tbf +p3y;zg 3vjk.ddue to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is d 3*dn,x3cgofpt 8w2tusually greater than 0.10 s. If your friend holds a ruler between your fingers and releases it w8*fgnt2dtdxc,3op 3w ithout warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. Whar6 ;o bf0 n8z;uziyfz,t is its velocity after 3.00 szry f 68oui;z;,zn0bf?

  A bullet shot straight up retu ave.4- ebott1rns to its starting point in 10 s. What is the initial speed of te-e 4o v.1tabthe bullet?

  A ball is thrown straight up with a speed ogdv.cd a3ijx mkm 2p0 v9;7l,lf 36.0 m/s. How long does it take to return to its starting point?,3; 0 cdlpkm7jvm2ldva ig9.x

  A ball is thrown downwardse cd(/u +8u+hyu diz8 from the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How high is the buil8cuuh8d+sz+/iy ( dueding?

  A ball is thrown straight up with a speed of 30 m/s. (only fillo,w . vd3 ue*7r uy-iz7:p6b wuzxh4uk in numerical value in 3wuzkv z iduy7o re4. :6b,xh-uu 7p*wthe blanks)
(a.) How long does it take the ball to reach the maximum height?    $s$
(b.) What is the maximum height reached by the ball?    $m$
(c.) What is its speed after 4.2 s?    $m/s$

  A foul ball is hit straight up into the air with a spee xiz+h m 9hv9*dir6eh*d of 30.0 m/s. (only fill in numiz6hr xvd ie+9h* hm*9erical value in the blank)
(a.) Calculate the time required for the ball to rise to its maximum height.    $s$
(b.) Calculate the maximum height reached by the ball.    $m$
(c.) Determine the time at which the ball pass a point 25.0 m above the point of contact between the bat and ball for the first time.    $s$
(d.) Determine the time at which the ball pass a point 25.0 m above the point of contact a second time.    $s$

  In Fig. 2-1, what is the f5q/eg1w s6 hj-aqku4 velocity at t = 1.0 s?

  In Fig. 2-1, what isafc d. wjh8s42 the velocity at t = 2.5 s?

  In Fig. 2-1, what is the velocityycqw, .x,mld4 at t = 4.0 s?

  In Fig. 2-1, what is the vx0 ,-tpue 2goqes,p/3 q etaq:elocity at t = 5.5 s?

  In Fig. 2-1, what is the average velocity xxc:t 8yxuu*(svwx-7e s* vf+from 0 to 4.0 s?

  In Fig. 2-1, what is the av2/xty ht1*uo0hfnq0 yerage velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the ac8 tgi-/qk/mwv:ih5a zatik, 9 celeration at 1.0 s?

  In Fig. 2-2, what is the accele63l79 xvrl: lfynp.uuoe3 q/aration at 3.0 s?

  In Fig. 2-2, what is t j/sf6c-x7fqm he average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average accelerat(sslze36yod82 zpnobm4c*.mzi,pl7 ion from 0 to 8.0 s?

  In Fig. 2-2, what is mejmkzc2e*h 949*n hcgce68c the displacement from 0 to 8.0 s?