Suppose that an objeg emw1 :ce-o7jz7aulv)1o5nzct travels from one point in space to another. Make a comparis1vjg emow e-1) z7l5un:ca7 ozon between the displacement and the distance traveled.

  When is the average velocity of an object equal to the inst5u)b k +b3blatantaneous velocity?

  A new car manufacturer advertises that their car can go "from zero to sixty iym2v a)z7vbl jq-8p2r yxu*+g n 8 s". This is a x p*v8u2+yajv zr)qyblmg-72 description of

  An object moving in the +x axis experiences an acceleration j4u d39ez + xn,ko8dooof $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x ,n x+7:tr9 s xbt;tybl *pw2efsw*0;4kse ygudirection) begins to slow down as it approaches a traffic light. Make a statement concerning its a4 ,le;s:9gfs tt 7ny* p+ etyx;wwbb u2x*rks0cceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow dnz9df ,2uun e.h6lxb,own as it approaches a traffic ligb9 nzeu2,,hndfl x.u6ht. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a staofei:s9r*a ct hn,p:e+j*ow-xyl 2y bkq +83ltement concb a *+x hckt9 :oje elrq,8 lf:si-yyw*2+o3nperning its acceleration.

  If the velocity of an object is zero, does it mean9ta -+c53k geef f hba4f+irv) that the acceleration is zero? 3+et ff fahi-c4v+e 5k)9rgba Support your answer with an example.

  Can an object's velocity change directif bf) be4i-er6on when its acceleration is constant? Support youb- fb)6e ierf4r answer with an example.

  Suppose that an object is m;)(sjxzk*m vm oving with constant acceleration. Make a statement concerning its motiom vj)smz k*x(;n with respect to time.

  Can an object have increasing speed while its accvo5(cfqu xy6i7p a. +feleration is decreasing? Support your ansf+o x 7vui .(cyf5qa6pwer with an example.

  Suppose a can, after an initial kia:)4w v*s: /u l,iwezfctyfj ;ck, moves up along a smooth hill of ice. Make a statement concerning eu,w;::y/f i4fl*vz atcw js)its acceleration.

  Under what condition is average velocity equal to the average of the object's xh b(80z 5sdeoinitial and final vesh0(e b8d5xoz locity?

  Objects A and B both start at rest. They both accelerate at the same ratg7zb m(*ss7o3py 9 qrye. However, object A accelerates for twice the time as object B. What is the final spog7yq9 3 *7(msry sbzpeed of object A compared to that of object B?

  Objects A and B both start from rest. They both accelerate at 1n uk g15t0lg 4rxl6iathe same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by obj a14ltkrux0i61 g ng5lect A compared to that of object B?

  When an object is released from rest and fallsg 4z saj3p0rg 6 k xject)74clsr006k ipn:g+q in the absence of friction, which of the followingci n 0p3z6s7jts6kx: ejkcrg r4+l0g)g 0aq4p is true concerning its motion?

  When an object is released from rest and falls in the abyyti*wv /,ko uoph-1zh 7.:ycsence of friction, which of the following is true concerning its motio7 yyp-/ciw*tzhhuo1k v , :oy.n?

  Suppose a ball is thrown straight up. Mazk ed: cp9*lx x4q3ou)ke a statement about the velocity and the acceleration when the b pxeck*l 49:zx)q3dou all reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration justb d8a je-q+3et before it reaches its a8+q-3 jtebdehighest point?

  Suppose a ball is thrown straight up, reaches a mfrod l9z7 2wicmlwy ; r:45,rcaximum height, then falls to its 5cc 9 zwym2llo, ;wr4:ri7f rdinitial height. Make a statement about the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown strni55 drfcc7tvbf6c: g3j1ss- aight up, reaches a maximum height, then falls to its initial - s31ct65 vjngrf7cb:if5dc sheight. Make a statement about the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in the absence of air resijgnza1p .qau2(-s 3jf)0gkz zstance. Make a statement concerning its accelerjnz) j.z gfg1 (qz-s3p0u2aa kation.

  Suppose a skydiver jumps from a high-flying plane. What is hq* pcibmli. pi;1e9g.du 7ih-wd i p+;er acceleration when she shegd7.l hip im- piwpd*;.i ic9+1bqe ;u reaches terminal velocity?

  A ball is thrown vertically upward with a speed v. An identical second b w-1r u(fs f *6ev;;uoplc38pvfzbg4call is thrown upward with a speed 2v (twice as fast). What is the ratio of the maximum height of the second ball to that of the first ball? (How many times higher doew*vpobu -f3; 8f61;ec4c flpz ug r(svs the second ball go than the first ball?)

  Ball A is dropped from the top of a bu8j-pouwqr3 n d8sd3e aux7/unv;z3f: :2cce kilding. One second later, ball B is dropped from the same building. As time progresses, the e7 j8:wd2f:kuxsdn3 upvco3qza r u/c38ne;- distance between them

  Ball A is dropped from the top of a building. One second later, ball 8 x3m(xfz19otg pi l(a m9uq.aB is dropped from the same building. As time progresses, the differencefpz9mgx u itq3a 8xoa9(l1( m. in their speeds

  Two objects are thrown from the top of a tall building. One is thrown up, and(ekjy3mj i(j/ 7 k3ppz+jk g:p the other is thrown down, both with the same initial speed. What are theirp3 mjkp (jkzj+iy/:7kgje 3 (p speeds when they hit the street?

  A brick is dropped from the top of a buildin6440d5tekvk6gn1b0ecf ra q vg. A second brick is thrown straight down from thek 56eq 6fbgr0k evntdcv410 4a same building. They are released at the same time. Neglect air resistance. Compare the accelerations of the two bricks.

  An object is moving with const /l5cndnz. 3/tqp3jf yant non-zero velocity in the +x axis. The position verdnlnzt/f y3cp .3qj/5sus time graph of this object is

  An object is moving with constant non-zero acca4*e)p+: lm5j jf nugmeleration in the +x axis. The position versus timg *l: emjp)4 f5nm+auje graph of this object is

  An object is moving with constant non-zero velocity in the +x axis. The venun ci85vmr:a9juc*k7 7 5aw wlocity versus time graph of this object is*9nicka5n wra uw7uvjm c857:

  An object is moving with constant non-zero acceleration in the vwd v (4xm bf+7i2p9mbr+s8ao+x axis. The velocity versus time graph o98sxvb4m +7( +bf v2aowm rdpif this object is

  The slope of a position versus time graph -vet62b, yggs gives

  The slope of a velocity versus;)l3d9k -umpn44 zdy 4qzwdyz time graph gives

  The area under a curve in an acceleration versus time graph gi f7r3einp/w:g ves

  The area under a curve in a velocity versus time graph g (ro: kz,/eqhcives

  If the position versus time graph of an object is a hvxx 6f1/6f7zfz/ erj1)wu tvborizontal line, the object isfjevr u6t 1x71 z)ff/z/b vxw6

  If the position versus time graph of an object is a vertical line, the object iy ;4mu 1:oeuqyztt k8h74) i z(omvs+hst:v7m1eisy)oty zkuh(+h q 8 ;zum44o

  If the velocity versus time graph of an objec+2mt bpbw/- azxtr(x;t is a horizontal line, the object tr/(pzx;wx t bmb a+-2is

  If the velocity versus time graph of an object is a straighti 9y wl rj tisqvu7r1i72,*3yyb9 w4aqep0 ep3 line making an angle of 30 degreeis9li9 y e uvja2eqp7w1b 304*r,yy3 tp7w iqrs with the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Fi q3nh jm)0hskwvc/8i -nd both the distance traveled and the magnitude of the displacemh)3jmns /8wh iv-0kq cent vector.

  A boat can move at 30 km/h in still water. Ho x/se:d/ :.wh -k 7drywupavr8w long will it take to move 12 km upstream in a river flowing 6.ke/7 dy w:x8dahr:up/ w-rs.v 0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609 mqzo7g( 2 b(p y-hle.hb)

  What must be your average speed in order to travel 350 km inh zhm0o(q6f (7 hwcot- 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hol. 7e 5uz2sl(.gw gqgsurs and 57 min. What is the average wesgql7. ( 5gzl.sug 2speed of the runner in m/s?

  A car travels 90 km/utbu9yn*c58dm )ripq u sh/ub0 i-s 95h. How long does it take for it to travel 400 km?

  A ly (light year) is the distance that light tr 7q+pudf1k3 zvavels in one year. The speed of light is 3.00 x 108 m/s. How mu dk p1zq3+fv7any miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 kmql v+i+8l 90ub+bmme d/h along a straight road and you look to the side for 4.0 s, how far do ylqld m+ 0umv 9bbie8++ou travel during this inattentive period?

  If you run a complete loop arou5y7 nv cfnphw1srl)1 *s4-mk y) g)vepnd an outdoor track (400 m), in 100 s, your average velocitkn 1v7) ysr)cpgef)m npl vh1-w *5sy4y is

  A polar bear starts at the North Pole. Itk;/u: op kfk7w8bz6hq;v0lkt 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 average speeuk;kl;k h07bw f8tz :v6o/qpk d?

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km easccty62/o+ln o t, then 1.0 km north, then 1.0 km west to return to its starting point. This tr26tc ly/ n+cooip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from schotuco2 upkqwy dz3ha3 *v2e4 2;ol 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 et22c a 3oq4 3hykzwv*u;pd 2uand 15 minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 kee7 g kxc1m,x6pllr p v(s2b8(m/h. What is the average speed of the motorist for this trp(xkr6 x872s1gpc m e,(lebvlip?

  A motorist travels for 3.0 h ati6f1t:ze 1nlj 80 km/h and 2.0 h at 100 km/h. What is her average speed for the triinjlefz 1t :16p?

  An airplane travels at 300 mi/h south for 2.00 h and then a4a6olidt 0btbe 67-pot 250 mi/h north for 750 miles. Wh l6a06p7boi-4 eob dttat is the average speed for the trip?

  In a 400-m relay race the anchor qj 3m7x/a6akql p*w;znf5;ckman (the person who runs the last 100 m) for team A can run 100 m in 9.8 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 fin5wf x;nq7ka*m 6jpzcq a;/k3 lal 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'91vgrfepu , k. (a7o(lw0bzggs average velocity during deceleration was 50 km/h. What was the car's deceleration while s1wg9 (el ugk7r(gavf p0bz.,olowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the ave7ou;ubv 3d a9 mfptc5 tb94uy9rage rate of t;m9y935opb4u 9caufud t7v b $15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates atg-.h kph h4e+dqfpkbo q0(81f the rate of $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest and w ip(g qpc52w.0 1k*z9khxmvuaccelerates 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 m/s for 10 s. It then speeds uf1 *yfy5wbfd e6 .i,bqp with a constant acceleration of fyy 5 b f*fw61ied,.qb$2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 w t8s z71h vg wsq);fv705gjuam/s experiences a constant acceleration o;gas)z ufs hjw 8g07vt1v7 qw5f $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontalb, dqqlh 4aw8+ly to the right (+x direction) with a speed of 500 m/s strikes a sandbag and penetrateb4adql wq+, 8hs a 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 onm+* zaue-iyh4o ; 0zyl an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2oaz-z+;ieyyuh *lm0 4.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest moves with constant acceleratio7ze dbjbz9 ;cpw5: m)ort1.qjn 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 to 80 m/s in a distance of 200 m0b :2vw4iw3dbc0 1cv ty 8olh.fewhm9. What is its average acceleration?t9he0l1bi dw8vbhofw0 v :. y3 mwcc42

  An object starts from rest and undergoes uniform acceleration. During the firstanlxjdw qd/ph wp: ja5(7r0;8 second it travels 5.0 m. How far will it travel during the third secod8wxrdlhq 5;a0wp(j: /na pj7nd?

  An object is moving in a straight lu4pu(ht6ed ;xb / k,lqine with constant acceleration. Initially it is traveling at 16 m/s. Three se,p qdb(x t/le6;h4u kuconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest : qqv37j ;wg26mwqbvgand accelerates 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 tireswmdr6ot: vlq;/z0: qu on a dry road can decelerate at 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 traffic light turns green, .r wi6fi9h2vgvn j 5;ka car that has been waiting at the intersecr5kvwj g.2f;ih n96vition starts ahead with a constant 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 upward with a0qtfi 56q6bu5c ynv8a speed of 12 m/s on the surface of planet X where the acceleration due to gravinb c6tq 8a065uv5iq yfty is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward wig h7pns2l etg)u1 +g+uth a speed of 12 m/s on the surface of planet X where the acceleration due toug)shp+nt7+ gu eg12l gravity is $1.5 \; m/s^2$. How long does it take for the object to reach the maximum height?

  An object is thrown upward with a speed of 15 m/s on the surfae l a3beqav8p( 9sxzx0oq+2v6ce of planet X whereba8pe3zx qs q0 6v(9olva x2e+ the acceleration due to gravity 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 a speed of 14 m/s on the surfac0 v93g0jtnd77bg nr8xblx c,p e of planet X where the acceleratjb l 8g ,npxdnt7r0xbg3c9v70ion due to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually greater thaov, gifzo0(3t ,y9q9rtjwsf5x;cd6b n 0.10 s. If your friend holds a ruler betweq9y, ,svboc xz frid6j o(t359fgt;w0en your fingers and releases it without warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 3 z(slmg+2j fbkj. ha:19.6 m/s. What is its velocity after 3bjhm3jf a2.+s gk: (zl.00 s?

  A bullet shot straight up returns to its starting point in 10 s. What is m6a5kzu yn 9g1the initigz 9615ykmun aal speed of the bullet?

  A ball is thrown straight up with a s0tjd0vxyh3lu*0 .w rcpeed of 36.0 m/s. How long does it take to rw3d lxvt c.0hu0yjr0*eturn to its starting point?

  A ball is thrown downward from the top of a building with a36 tonwsonp ,lu2.r ,zvj n6d;n initial speed of 25 m/s. lt3jduzrsp26, n n6.w;nov,o It strikes the ground after 2.0 s. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (onh 51n86uxk -gajf eue6ly fill in numerical valhng5e8f- juek6a1u6x ue in the 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 u6 -u1 ,1pf uknsey1qs8gx2w gtp into the air with a speed of 30.0 m/s. (only fill in nufsg 8xg1s k2-tnquue11,y p6w merical 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 velocitv: ub,97wzh zmo-v/rvy at t = 1.0 s?

  In Fig. 2-1, what is the veytt)m, a)e3i glocity at t = 2.5 s?

  In Fig. 2-1, what is the velocosdl/1 i(2wdhity at t = 4.0 s?

  In Fig. 2-1, what is the velocity at t = 5.5 io 9-q6*fhnew s?

  In Fig. 2-1, what is the average velocity from 0 to )neimtv 9du.1 cj4 yikj* bs;w /z-/uz4.0 s?

  In Fig. 2-1, what is the average velocity fhrqaimqu4d,z, ,v4 h6 rom 0 to 6.0 s?

  In Fig. 2-2, what is the acceleratp1csf- /,5 oivwjl6 jxzuu1r* ion at 1.0 s?

  In Fig. 2-2, what is the acceleo;k r/y) yo)xnration at 3.0 s?

  In Fig. 2-2, what is the average accelerag8i5q zpv fb/gjvu co 4bhwk,v:/ 7(w+fk ao/;tion from 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 8.j;z2f p0uqf1ogpe(/ p* t3qa x0 s?

  In Fig. 2-2, what is the displacement f ,cy.s9 jmobkz.aa534 2wnfsprom 0 to 8.0 s?