Suppose that an object travels from one point in spa*dkvfe.i6:*7o /jyj tp l3r xu-nu94g w/eyjs ce to another. Make a comparison between the displacr9pt/-e:xy6onv3ljs gk ju4fe **ud i7jy w/.ement and the distance traveled.

  When is the average velocity of an object equal to the instantaneous velocity?v v+,b1pj:dtgwq j+j hjt qa04/4zm5p

  A new car manufacturer adv+,js4kk* kqs;+ k,n +wfqq dkqertises that their car can go "from zero to sixty in 8 s". This is a description o+,nkq j;ksks w*, kfqq4q kd++f

  An object moving in the +x axis experiences an accele roy ftu 7jkfyyk*,(9,ration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car travelin5brv-i0v .z7 hu 8kcgug to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statem5k7v.zh8urg 0ub cvi-ent concerning its acceleration.

  Suppose that a car traveling to the West (-8rh /xv.f s2 rpx2ok9ax direction) begins to slow down as it approaches a traffic light. Make a statement concerning its a af xkxvrs/.2 h8r2o9pcceleration.

  Suppose that an object is moving with a constant velocity. Make a statek*5cyx5ql 8(1 hwpv qbment concerning its acce8k qvp*wc xq15hl (y5bleration.

  If the velocity of an object is zero, does it mk ev/pz;ed*rp+w/ 6;*e :nznrlpaac .ean that the acceleration is zero? Supportz; pc;a 6eep+lrdp.ena* wnr:z /v/k* your answer with an example.

  Can an object's velocity change directio4:9zx /mjbxf kn when its acceleration is constant? Support your answer wimx4 x kb/j:f9zth an example.

  Suppose that an object is movinge7nta l5v(0rm. 61r qag m1rqe with constant acceleration. Make a statement concerning its motion with respect to ra1v.r57 q6e qnra(1mg0etl mtime.

  Can an object have increa- 8/ lzrta4ao; zmri;vsing speed while its acceleration is decreasing? Support aa 4v;;zzlt 8ro/-irmyour answer with an example.

  Suppose a can, after an initial kick, moves up along ;t +vnt1ud kb.a smooth hill of ice. Make a statement n.u k+d;tbt v1concerning its acceleration.

  Under what condition is a3il7abrtns8 v kczz a23h0 )*wverage velocity equal to the average of the object's initial and final83s3 zl)nt2ba a70r hwc *ivkz velocity?

  Objects A and B both start at rest. q5du07t+f fy*z / jznwhv5bh8 They both accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the final speed of object A comh*0ytfuhvb+5d/jw qfz5 8 7nz pared to that of object B?

  Objects A and B both start from rest. They both accelerate at the same rateysch: w;skd 5z,5/9,iro rmhs. However, object A accelerates c 5y k5:o hss/w,dh;rrsi9m,zfor twice the time as object B. What is the distance traveled by object A compared to that of object B?

  When an object is relea/h,)1xmi r6+if .npt00yw yp1ojgd qf sed from rest and falls in the absence of friction, which of the fxwjp1h.y +i/rp y n0fog )0,f6qtmd1iollowing is true concerning its motion?

  When an object is released from rest and falls in the absenckenm(2qf qb, zxkf 0g0 ,gs6.se of friction, which of the following is true concerning itsqs,2.0s6qf,kk g n(ef mg 0xbz motion?

  Suppose a ball is thrown straight up. Make a statement about the velocity an x7doq;ykr5+dd the acce;7yd5 odrq+xkleration when the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration jtl,/) igify /yust before it reaches its highytli,i/g )f /yest point?

  Suppose a ball is thrown straight up, reaches a maximum height, then fallsbz 6pe9f wzn(/nn w6q, to its initial height. Make a sta6zne,9 / p qbwn(wn6fztement about the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum height, thznlymky +y )40kuye)d hstk98f70 8v ien falls to its initial height. Mak9yykhesvmlf)yz8d04tu i 8k0n ) 7+ yke 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 resistance. Make a3;qn vh7rc h;w statement; nwr3;h7chqv concerning its acceleration.

  Suppose a skydiver jumps from a high-fly y o cfr7ajm4+mh-5re0ing plane. What is her acceleration when she she reaches te+c4yf 0r o5h-e rm7ajmrminal velocity?

  A ball is thrown vertically upward with a t nrh8a:) zaz4speed v. An identical second ball is thrown upward with a speed 2v (twice as fast). What is the ratrz 8):az4ahntio 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 building. O tqm4i k(a/ u3ng:6ajwaz4 i8bne second later, ball B is dropped from the same bz3atkj8g6(w mnaibaiu 4q4 /:uilding. As time progresses, the distance between them

  Ball A is dropped from the top of a building. One second later, ball B is a, 1t3wpp+euti +pk:w dropped from the same building. As time progressweu kw+i t, ppp:a+t31es, the difference in their speeds

  Two objects are thrown from the top of a tall building. One is throws +jcs6yky. k * ma5z+*9gcpnwn up, and the other is throwzy kng6*+sc9jcpaw+5 .* ksmyn down, both with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a building. A second brm3( xy,wxf;rcn; a4 blick is thrown straight do xcby;; 3m4a xnf,(wrlwn from the same 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. Tq y h*pa2 mx:cmq7arqadalnjq 6*27,+he position versus time graph of th*j:a+ynpq r *q67ma7hma2dxlq 2qca, is object is

  An object is moving with constant non y9h+ aofu. c;ixuh0:y-zero acceleration in the +x axis. The position versus time graph o 0 uy;a+f.hoxu9hy :icf this object is

  An object is moving with constant no5 wge:pbb: 4+t bh3wczn-zero velocity in the +x axis. The velocity versus time bw :pwg3h5z et b4bc+:graph of this object is

  An object is moving with constant non-zerwxd ok ,m1(la,d)p+sxo acceleration in the +x axis. The velocity versus time graph of this wxmdao )l px,+d,ks1 (object is

  The slope of a position versus tblgqx* n*rs.i,:6 jx id;gfaa,hx2/ yime graph gives

  The slope of a velocity versus time grapg8 c t(6i uokcpf07tk+h gives

  The area under a curve inti +4i3y8g8r2ury;l6 uita k g an acceleration versus time graph gives

  The area under a curve in a velocity versus time graph gij*pw o04 s0k31ex6gdwe,dwey ves

  If the position versus time ; v +xv6h2x +1gtsfjccgraph of an object is a horizontal line, the object is2stc+;c1vx v+x hgfj6

  If the position versus time graph of an object is a vertical line,i*i hf5x 7x6tl the object ist6 lf *ix5x7hi

  If the velocity versus time graph of an object is a horizontal line, the objeca5:a-n:cx+(lkaotxg t is-klagxc (on+ ta x::5a

  If the velocity versus timeh l*5dc/+jofd +z/vdn8yxa)p graph of an object is a straight line making an angle of 30 degrees with the ad*+x+fd8n/vzj 5 lp)yohd c/time axis, the object is

  An object moves 15.0 m noocqp+ e)0xpw2 rth and then 11.0 m south. Find both the distance traveled and the magnitude of the displacement ve+ cp2o)qwe0pxctor.

  A boat can move at 30 km/h in still water. How lo nhh2p u.(6rzsng will it take to move 12 km upstream in a riveru(h n.hr6p 2zs flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1 jn0kgcx.52u.evombduei1+ 6; 7 fek a 9g*wbr609 m)

  What must be your average speed in 7o*f7mxof7w+c gpxqtad*v/-v h e6 o,order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately..w1n2 2snd yv :tm(6zjketu3 kzcxh1 42.0 km) in 2 hours and 57 min. What is the average.etv1n3k n62u wsm1z2(jdt:.h y zkc x speed of the runner in m/s?

  A car travels 90 km/h. How long does it c d)gfsbl0n/( take for it to travel 400 km?

  A ly (light year) is the distance t-5r;ow /dmk ;3fvd zvbhat light travels in one year. The speed of light is 3.00f/3km;zdro 5wvv-db ; 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 rgoo*5s1 0 umzpjhnp *(gs+ )fdoad and you look to the side for 4.0 s, howmnf0jo+1z)u h*sgs *pop (g5 d far do you travel during this inattentive period?

  If you run a complete loop around an outdoor t(jahneu h.9 l,rack (400 m), in 100 s, your average veloh,e j(n l.uh9acity is

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km eas3u7rlbz8ardp hvy uj o787ng2,m8hz;t, then 1.0 km north, then 1.0 km wh7urzhbzj7gyr;mun 83,pd872 o l 8avest to return to its starting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It travels 1.0 km south,b-n0 tiiv;,fi then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starvti,0 ;bnii- fting point. This trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from school at 55 mi/h for 110rd c*lbtkc 9w)m,-awzz ly;9 z:1w v9x miles. It then starts to snow and you slow to 35 mi/h. You arrive zwxm1zac 99zwcb,t vk lw*-r)9ly:d ;home after driving 4 hours and 15 minutes. How far is your hometown from school?

  A motorist travels 16-cke zml p .m8)8.*tubgfozd 30 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the motp3gz)blt.k umdf-e*c omz88 .orist for this trip?

  A motorist travels for 3.0 h at 80 km/h axchw4(n ;6vgk29eaaebk01-bmk/ t n und 2.0 h at 100 km/h. What is her average speed for the tri w/ ;n-(vn1a2kk4mu hbke60gcxb et9ap?

  An airplane travels at 300 mi/h south for 2.00 h and then at 254owqxenq8ojb27 .e* s0 mi/h north for 752ownqje8 o74 qs .xeb*0 miles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (the person7tokue ;etu+mp4t s; ubu,),/ (tibel 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 final leg of the race, in order that the te ,tut),s/ttbbi (oe74 uupl;km+ ue;eam A runner not lose the race?

  A car decelerates uniformly and comes to a stop after 10 s. Thg/k;q ;bpssu;e car's average velocity during deceleration was 50 km/h. What w ;u;k/qgs;sp bas the car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average rate ;jt a e5fecd0/s z .9xtrcc0k jw7z01mof tsczm r kj9a700 ;dee /1 0cx5zj.tfwc$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the ratgk:,o w:8ohv ge 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 ac; jg6* rmssj(ccelerates 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 up with a constant accele8v:se z;iswke9y4xd b.9; )gqldsl8oration ofo:9b s. 8s9zx )w se8iqgk;ev;yld4dl $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 m/s experiences a constant acceleratio4z8 1m dt9zvo/ ezpqzwjiq hiu0y: 72;n oqui z8eq47 zyp:d/ ;wzj91vm02ohit z f $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizor76 efd9i jzr2ntally to the right (+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the average acceleration, ejrr9fiz27 6din $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircraft;i+4rhpm j. ed 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, what 4ipdm+e h;jr.is the length of the catapult?

  A car starting from rest moves with constant acceleration of t d108wee9m ii+lc+r f$2.0 \; m/s^2$ 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 m.mv0omjx /r3z . 4y dk9uwcw4h. What is its average acrmm ./h vyo49.w0uz 3x4ck jwdceleration?

  An object starts from rest and undergoes uniform acceleratigwn ,zro (;b9yon. During the first second it travels 5.0 m. How far will it travel during tnr,(zb 9w;og yhe third second?

  An object is moving in a straight line with constant acceleration. mbz 6m+cs rius;(vw m-a;-f3tucem0bw* wu/ ;Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. Hmbac- c m;6-ww uw/ ;tuirv 0;mzs+fmbus*e(3ow far does it move during this time?

  A car starts from rest and accelerates unifouzs g+:ev lzw5(z51pyrmly 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 yp - elk/:vr9br( rvpxzqu0 )(q:zl(ddecelerate 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, a car that hw7 u1zl lm.y3eas been waiting at the intersection wz yu7.ell31mstarts 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 a speed of 12 m/s on the surface of planet Xmpv(h ms3 z:3qis,0 iw where the acceleraivsmpw 0z:3si, qmh(3 tion 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 surfa*f ;wid5ac29(zfksn jce of planet X where the acceleratio*2f (5w si;az dck9njfn 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 upward with a speed of 15 m/s on mxq7 v39sjfq s)f) r0fthe surface of planet X where the accelerasjfrq73)x 9)fqfs 0vm tion 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 vij iab)balmu,9)8 q-m/s on the surface of planet X where the acceleration due tomui-)9q)vbi lb 8 ja,a gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually greater than 0.10 s. If your friendw(1a/f mn4rn35wfe do)e x,tvtd k+l: holds a ruler between your fingers and releases ild3tmf/, kn(w4rwt)e n da oxv5 1e+:ft without 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. What is its veg:9oquxf -l 0ktpgm54locity after 3.00 st o lm k9uxg0-gfp45:q?

  A bullet shot straight up returns to its startc d18tj*7xbj ting point in 10 s. What is the initial speed of the bullet*c71b8xjtjt d?

  A ball is thrown straight up with a speed of 36.0 m/s. How long doe )9mgerslk+ 7h-2n uwas it take to return tuk 2 sm)we9g- na7+hrlo its starting point?

  A ball is thrown downward from the top of a building with an initial speed . /o0 fs9-(6rvu,p r npvrvypdof 25 m/s. It strikes the ground after 2.. / psnvo,pur 0rv9pd-vy(6fr0 s. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only fill in numerical v(7jg7 h,ghpky gxc* yftt6t;2 alue in the blanksx 7g;g62tjf g*h(c tp,yyk7ht )
(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 azb f t-+e0vf) adkn0y/tujg/-uv1,i y speed of 30.0 m/s. (only fill in numegu-+-01 vjny ,d tz/ )yb 0/kaevuiftfrical 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 velocity a owjt8yx9o0dyv w:13pkj 0: vat t = 1.0 s?

  In Fig. 2-1, what istnh-hzbky:2/8 ycgfw 5) hoy 1lyc.p . the velocity at t = 2.5 s?

  In Fig. 2-1, what is the velocity at t.odn 4eleb n 8,bsc0,x = 4.0 s?

  In Fig. 2-1, what is the velocity at t = 8sok-qcw r. 1q5.5 s?

  In Fig. 2-1, what is the average velocity from ) nblf-qk:6gl 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 to wrwfy0as ,etm7 2+ 7sg6.0 s?

  In Fig. 2-2, what is thcq*hh a(hie:w:9t, vi(:u h +ib7ui bme acceleration at 1.0 s?

  In Fig. 2-2, what is the accelew td -1l:vi9-,vbb lgeration at 3.0 s?

  In Fig. 2-2, what is the average 9z p; 6s:bkedqp;zxgfk3m4 9kacceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average accel3uh7l8 7)b adbm6vvy qeration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacebjq0au s3g+ u2ment from 0 to 8.0 s?