Suppose that an object travels from onrs(-0j ; salwidiv04ue point in space to another. Make a comparison between0 sjli 40swi r;va(d-u the displacement and the distance traveled.

  When is the average velocnxi z0mg7w,,n ity of an object equal to the instantaneous velocity?

  A new car manufacturer advertises thkf in6i kv)k4nu; q,g9at their car can go "from zero to sixty in 8 s". This ) kg ivk4ni6,9quk;fnis a description of

  An object moving in the +x axis experi efe+d1p 8wdc+xv165r i5rz cvences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the Eew*oc -tc:a g5ast (+x direction) begins to slow down as it approac:o ea5cg*ct- whes a traffic light. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begiflqeub(gpn79x ve*: 1 ns to slow down as it approaches a traffic light.gxeqb nv 7lup 1e*:f(9 Make a statement concerning its acceleration.

  Suppose that an object is movinkvc :ee:8 tdi9g with a constant velocity. Make a statement concerning its av ic:9 e8ktd:ecceleration.

  If the velocity of an obp .3awimw)5jf wvx-*y.uh* xp ject is zero, does it mean that the acceleration is zero? Suppjihu pw5*mw. .x)f*-wvp 3xayort your answer with an example.

  Can an object's velocity change direction when itup +1ki6tm k8 yauw/7qs acceleration is constant? Support your6 iktu+myp8w7u1 qak/ answer with an example.

  Suppose that an object is moving with constant ag: gp* jposi, ze:xyzswl8;+u(*ze1ucceleration. Make a statement concx*( ;:z*8:ulpe +zgus,soypi1w ezgjerning its motion with respect to time.

  Can an object have increasing speed while its acceleration is decreasi kgpt.g.c/;vab)ke ;l ng? Support your answer with an ..cbtega l / ;)pg;kvkexample.

  Suppose a can, after an iniw/2h xk3b9ot,axe - 5vc 7issxtial kick, moves up along a smooth hill of ice. Make a statebkoxvsx7a 9s,t3-2w /hc5iexment concerning its acceleration.

  Under what condition is average vel)k*ar1r (1 ku+ju,2 iekgnz haocity equal to the average of the object's initial and fgkar1,2z enk)1k u (hira*ju+inal velocity?

  Objects A and B both start at rest. They bothqrt;3 wtfb* aw1 (m3bx accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the wt3txq 1b(mb wraf3*;final speed of object A compared to that of object B?

  Objects A and B both start from rest. They both accelerate at the same raca,w lm;gy6lncs3pr2i 7r /: gtfh(1yte. However, object A accelerates for twice the time as object B. What is the distance trt2plsfnw 7irgc16y,/rghlm(a ; :cy 3aveled by object A compared to that of object B?

  When an object is released from rest and fal pmcp cyu2+73qx)by3w ls in the absence of friction, which of the followi23q3bxm )yyc+ p7pu cwng is true concerning its motion?

  When an object is released from rest and falls in the absence of friction, whicw*9* tg n 7)tumrutwli:bx:x0h of the following is true conc tr0*i9:g): 7bmwtx utu*nwl xerning its motion?

  Suppose a ball is thrown straight up. Make a statement about the velocityp;(bb:gb1haek m 1blw6h, e d- and the acmgebh 1lh: bpw eb(; a-k6,bd1celeration when the ball reaches the highest point.

  Suppose a ball is thrown straight r((h9d wwh7jemahzl y d.8.y ,up. What is its acceleration just before it rzhwd(y,a 9d8rh( .leh.wyj m7 eaches its highest point?

  Suppose a ball is thrown str *tpw5i:kt/kr aight up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the5 ktp*iw/k:rt ball is going up.

  A ball is thrown straight up, reaches a maxod(hu lgs-yn)15oqj1hx-3s;h q twy4imum height, then falls to its initial height. Make a statement about the direction of the velocity h )(yjlgy s3o;hoqq -51-s1tdn u xhw4and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in the absence of air re bis4t80:pyg5+qbnf esistance. Make a statement concern85eq n:y+bi0fp tbg s4ing its acceleration.

  Suppose a skydiver jumps from a h5d :u6l2diss*zeu;zgigh-flying plane. What is her acceleration when she she reacl:;z*6 idsd guszu2e5hes terminal velocity?

  A ball is thrown vertically upward with a speed v. Attf : suj8l2qw7 s6mo,n identical second ball 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 hig8 6 s:qlf 2wj,mtst7ouher does the second ball go than the first ball?)

  Ball A is dropped from the top of a r jp+n*8l ;s.w1yv doybuilding. One second later, ball B is dropped from the same building. As time progresse;d sy8r ljpn*.+o1 wvys, the distance between them

  Ball A is dropped from the top of a building. t nhjcxa58+d-,fi3ln k8vp 8 hjge h8,One second later, ball B is dropped from the same building. Aj8jt8+ - ha,8nfk,lxe8h p 3dnhi5cv gs time progresses, the difference in their speeds

  Two objects are thrown from the top o/xgx 1::y)cgfs)ub hwf a tall building. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds wheg1uw :hs ybfx ):)xcg/n they hit the street?

  A brick is dropped from the top of a building. A second bric m(a10 kdmjg*o+fi-lw ( 3zyoek is thrown straight down fro(g1e(oazjimdmf +w o03-ylk* m 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 velocit qqcm :w,nb8n ,z/cj;d/vl/o hy in the +x axis. The position versus time grac8 o/cmhvn/jqw;n:, d ,z/qblph of this object is

  An object is moving wqgby// gf7cgl.e) r q9ith constant non-zero acceleration in the +x axis. The position vers)qcr9gge./qfgyl7 b/ us time graph of this object is

  An object is moving with constant non-zero velocity in the +x axis.ts-7b -gk,phky u -r3m The velocity versus timeg-r, bhstkyp3- mku- 7 graph of this object is

  An object is moving with constant non-zero accelerat ci /yn8g+eyy8ion in the +x axis. The velociyeyc8 /ni+8gy ty versus time graph of this object is

  The slope of a position versus time graph givesio.7v1v rh 92lb c9 7vxq2gyua

  The slope of a velocity vtjul bpl qnwu-g-:(* +ersus time graph gives

  The area under a curve in an acceleration ve )xxj);bqyc x*rsus time graph gives

  The area under a cur; up;dp,;zgvp:1 e wfwve in a velocity versus time graph gives

  If the position versus time graph of an obs3adlfr zq *8m k2t3vx3 u,cf)ject is a horizontal line, the object qz)am3*s3ut c, l3rxf2 f8kvd is

  If the position versus time graph of an object is a vertical line, the object vi2 k3r bu.s8fis3ki.fr su82bv

  If the velocity versus time graph of5yg-4jw-yyw oib hh/4 an object is a horizontal line, the object iswojwh-5gybyi/4-h4 y

  If the velocity versus time graph of an oqflsj2(las+k 0 3pfi/ bject is a straight line making an angle of 30 degrees with the time axil(q/+s sal f0fk23pjis, the object is

  An object moves 15.0 m north and then 11.0 m south. Fin.d i+j;by1fu4 +jw+ q6 rkotdd-y0bamd both the distance traveled and the magnkt6q i+ dabo;d fdm+14+u0yyjb-. wjr itude of the displacement vector.

  A boat can move at 30 km/h in still water. How long will it take to move 12 k +pg6s96 jvgntm upstream in a riv6g6jtg np +9sver flowing 6.0 km/h?

  55 mi/h is how many m/s?dh 5w ..aop2ai (1 mi = 1609 m)

  What must be your average speed in order to travel 350 km in 5.15 slq2l x9za(ij0 z eo1d bh57f.h?

  A runner ran the marathon (appzv:9 hyzg5nskr59 o ;rroximately 42.0 km) in 2 hours and 57 min. What is the average speed of 55 9zok;snr9:vhy z grthe runner in m/s?

  A car travels 90 km/h.o3ym,8kro7gb How long does it take for it to travel 400 km?

  A ly (light year) is the distance that light travels in one year.ihx ez+i *0d2o The speed of light is 3.00 x 108 m/s. How many miles are there in a ly? (1 mi = 16+d * 2hiiex0oz09 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road and you look to the side for 4.qoszhq.t i(92q1gfmgm5 q 5j1c5gi) n 0 s, how far do you travel during this inattgcq(q im55m f5 qt.qghsi)j z2g11o9nentive period?

  If you run a complete loop around an outdoor traa+xkai v*qn 0i60.resyrevb / w; ;hh(ck (400 m), in 100 s, your averagek/h+iv xvbr;0w0rq* a i.as( yn 6h;ee velocity is

  A polar bear starts at the North Pole. It travels 1.0 jv+*lmy)zr3i7zy bld*1 )j zj km south, then 1.0 km east, then 1.0 km nort7 d zyjbvijryjlm*z )1+*3lz)h, then 1.0 km west 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 souul64e+z:wj k,69hzh ho hi q(rth, then 1.0 km east, then 1.0 km north, then 1.0 km westew hk(9+6:z,4l6rh uq iz ohjh to return to its starting 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 110 miles. f 4iocf ldmfr.r6vf (itt7+ 3n*rc-6r It then starts to snow ac*f(t +6-mro r 3ltf7i6vffc. i dn4rrnd you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 km qmj* yi fagc 15).mvz-nw6mbujj.*+ d/h. What is the average speed of the motorist for-w*gdj mvmajq*m j . i6nyu1.5cb+)zf this trip?

  A motorist travels for 3.0 h at f2k lu.dufo c4f3*hn480 km/h and 2.0 h at 100 km/h. What is her average speed for thek4fdn co 2hffu l4*u.3 trip?

  An airplane travels at 30sn cx5;. ur-,va sdo8o0 mi/h south for 2.00 h and then at 250 mi/h north for 750 miles. What is the average sped;5cnosur8,. ovxas-ed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 1vpotar 7x i5oes,7jb/vy4vw2ja1 i)900 m) for team A can run 100 m in 9.8 s. His i1 9wejt oy )vxarovb5/aip7, s72jv4rival, 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 afp0mlr*z,1y kster 10 s. The car's average velocity during deceleration was 5y plm*s0rz,k10 km/h. What was the car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the avjbcsx k- .a (nid.27lnz te:l;erage rate of 7tlnjb-k(dea 2cisn ;l.x.:z $15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h ;h1 sc.; at g;li)alutaccelerates at 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 accele(- rclpql;6 q r,m4ypt g.utv(rates 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 3owecnrzxadp2/ 51q3 s. It then speeds up with a constant accelerationp 5o 3rwea3d/21qcnzx of $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial +/5) rvhlc mfzgwi7skx. ( g oq*qd*v9velocity of 5.0 m/s experiences a constant acceleration ofkwo*(ri7l + )cd*fq9mhg/q sgxzv.v5 $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x directi :1xc r.mf+ejln .oa )9f2issaon) with a speed of 500 m/s strikes a sandbag and penetrates a distancelas9r.c:aj)2fm x1.i+o fens 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 aircraft carricw )ur9xr;2zewx5v87rac5s u*n cb 4zh4 me0ler. It reaches a speed of 42 m/s at the end 4zu5c2 c)49enc;x7uwr 8a szl0h revrmw*5bxof the catapult, and this requires 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest moves with constkeig dho v t- frktf3.:(l7w8u)3 c*rwant 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 to 80 m/s in a distance of 200 m. What is it9-:re p)pjtvts average accelerat-:jevp9tp)t r ion?

  An object starts from ressd3k el/xy 16z 3*motvt and undergoes uniform acceleration. During the first second it travels 5.0 m. How far will it travel during3*sdm3l 6yekx zvt /o1 the third second?

  An object is moving in a strwr0 q0gf+y7719xs/om / ois rukwp:us aight line with constant acceleration. Initially it 7 :k u9q+o0sfy 0gmxsoi/7/ rpwrs1uwis traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and accelerates uniformlup/ pnah2r8l 9,fqtp0y 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 deceleravv r y42:b f.trg)5gjhte 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 hk*vpwv/c78m+ ut t 6:r8gpmkthat has been waiting at the intersection starts ahead with a constant a:p g8/7m8tc*wv+ 6h urvkpmktcceleration 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 *g vqrt 9*wx- tkr0dp+12 m/s on the surface of planet X where thwt*v xkq9 pdt*rr g0+-e 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 surface of plan4udqggf57)( f le hc*xet X where the acceleration 4gc7 ud)g5fq(*e hxfldue 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 k3k; f /xpo3kq /1wyz0k+p,hkpaqg 6d+l1izc of 15 m/s on the surface of planet X where the 6 /3z+qqopwp0,fdkixkzy 1h3 1g cl/p k kak+;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 surface oba yb--mkhne40 oov*7f planet X where the acce-bohv-bkme o4a7n0*y leration 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 than 0.10 s. If your friend ho*,xp q5w8d*oq 2xnhtr* se jm;lds a ruler between your fingers and releases it2j qrsxq *mox nd,w5 e**8;htp without warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocq51fl*tj-dh eity of 19.6 m/s. What is its velocity after 3*lde 1h5t -qfj.00 s?

  A bullet shot straigznfq3q:dhzl (i*ok ; 44cfab-ht up returns to its starting point in 10 s. What is the initial speed of the bufn(;ao bf*zl-3idhc q 4q4kz :llet?

  A ball is thrown straight up with a speed of 36.0t1vaeb s-csy )* s7di+ m/s. How long does it take to return to its sta- vbs*s7d 1 )e+ctasyirting point?

  A ball is thrown dow/ahfkmy(z32 f cz:.b anward from the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. H yah:2 cz/.z (mbkfaf3ow high is the building?

  A ball is thrown straight up with a speed of 30 oee:*w q4v4+g j xo-xhm/s. (only fill in numerical value ino 4 *:vq+xjx-o4ehgew 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 up into the air with a speed of 30.0 m/s. (only ;hc:/ znce2o8n syq sq3q5q +wfill in numerical value hnqcowy +:58enqsqc/z 32 ;qsin 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 velox /v4ggkz:g,z)ckt ige 6 5- guizu/)lcity at t = 1.0 s?

  In Fig. 2-1, what is the velocgsj. nsnb6)nqa 2. d1hity at t = 2.5 s?

  In Fig. 2-1, what is the velocity at t = 4.0 srn. p0cwhxkt6k,gnpl2x ;2t2?

  In Fig. 2-1, what is the vev.w a9yp.o4;gexi(9bned9 4rdn a) jflocity at t = 5.5 s?

  In Fig. 2-1, what is the average veloci1 m+ xpyao 4:sml7eec;ty from 0 to 4.0 s?

  In Fig. 2-1, what isz-ypx*q5 fg 3x the average velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration as)ps b+b- hd2. y(kwdyrlo9+yu+k i6fz;j4d mt 1.0 s?

  In Fig. 2-2, what is the sa6k0 b ng,7tle +sqlh5.bu:tacceleration at 3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 5.0 srbife8 ieo f*kt o,fs3 e0.+9s?

  In Fig. 2-2, what is the averagebl mu*:l,lmqg,qtcrg dw44-*hy 7,dj acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacement from 0 to ht373 ,qskerz 8.0 s?