Suppose that an object travels from one p2rz k-llg) *qtoint in space to another. Make a comparison between the displacement and the distance tr*- qlg2zrt kl)aveled.

  When is the average velocity of an object equal to the instantz;jzb f2n pcj.x4i0-w aneous velocity?

  A new car manufacturer advertises that their car can go "from zero to sixty inq jk ffjgl40rh ,kqo,1r.(,md 8 s". This g(jk 1j0kfqo, hl4.rq ,mrfd,is a description of

  An object moving in the +x axis experience:c(9f s, 0sdnercf1kbs an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x dirsw:;f)w6t4 xh im px(eection) begins to slow down as it approachesw w;(p : hs46)itxxfme a traffic light. Make a statement concerning its acceleration.

  Suppose that a car travelil2l o 75) t4ig35/0 s7ikwyxuasvnt mong to the West (-x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleratio)07 7sauxtg 5l2oy owntvmi/s 35k4iln.

  Suppose that an object is moving withc6u5btad+oa.ss :t p ; a constant velocity. Make a statement concerning its acce +56satdo. ;apbc: utsleration.

  If the velocity of an object is zero, does it mean that the accel9x zz; qcndq2 k/bsx:/x)mo)beration is zero? Support your an)zb/9bknzxx omxs)q/d:;2q cswer with an example.

  Can an object's velocity change direction1g0dsq09fwxk when its acceleration is constant? Supporsf w00 9kx1gdqt your answer with an example.

  Suppose that an object is 0 fquequw5wv 5x6fb2vgxy0fr3ngz l5 /.pf , 6moving with constant acceleration. Make a statement concerning its motion witrvxy ef, nflwp fq vz.205 g6gq5u3uxw 5b0f6/h respect to time.

  Can an object have increasi /+alajo ji)3 m(g/qrang speed while its acceleration is decreasing? Support your /ljag a)amq3+ /jio(r answer with an example.

  Suppose a can, after an initial kick, moves upqgp zzx pn-7:; along a smooth hill of ice. Make a statement concerning its accen; xz-gqz:7p pleration.

  Under what condition is average velocity equal twmqr)62 if dj0o the average of the object's initial and 26mid frwqj0) final velocity?

  Objects A and B both start at rest. They both accelerateh/: ssng9 4bnw at the same rate. However, object A accelerates for twice the time as object B.nh 4b/gn 9sw:s What is the final speed of object A compared to that of object B?

  Objects A and B both start from rest. They both accelew2t8oey6sq3ko y-b1y rate at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by object A compared to thaewyts1q k o3-o62yyb8t of object B?

  When an object is released from rest and faldwm2cf/lg 64rkg+9c v +pnsl2 a,pek*ls in the absence of friction, which of tl 9p+,/cg v64kamsr*ne+ k 22gwfpdc lhe following is true concerning its motion?

  When an object is released from rest and falls in j 1m.0hdsxkl3 r-h9isthe absence of friction, which of them1x3kihl.-s 0jrd h9 s following is true concerning its motion?

  Suppose a ball is thrown straight up. Mak ok26mhd :frchkl:ic)j*3/ cye a statement about the velocity and the acceleration when the ball reaches the highest hy :fcl/cokmi3kjd2 r c6)*: hpoint.

  Suppose a ball is thrown straight up. Whawpv 3uwt4*+r p*p xeo9t is its acceleration just before it reaches its highestu 3+p px4prw** e9owvt point?

  Suppose a ball is thrown straight up, reaches a maximum heightalxa 6 *z to01 myxnf:sea/ tqv7,z6;z, then falls to its initial height. Make a statement about the direction of the velocity and accelerati t6zx* y:nasz 1,f06q7t oaze av;mlx/on as the ball is going up.

  A ball is thrown straight up, r/q *;n6wy75v 20gqv dgv9hr(jiapghteaches a maximum height, then falls to its initial height.gv q(*vg09v/y5d6j2hhtni;gw7raq p 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 resistance. Make a statl :mp;a:nd5npph3 r .vvbrx30ement concerning:.r bdrm x03vav p:p5n ;h3pnl its acceleration.

  Suppose a skydiver jumps from a high-flying plane. What is her acceleraf 905dk4cqzc ktion when she she reachec49 0dkc5kz fqs terminal velocity?

  A ball is thrown verti,ookygq tju 8e/7 8b,1tm41wi /az jqwcally upward with a speed v. An identical second ball is thrown upward with a speed 2v (twice as fast). What is thge8 aymw 7,1bj k/tqt/ wouio8j 4qz,1e 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 building. One (q2 j zzfz.9sksecond later, ball B is dropped from the same building. As time progre2 kfjzz.(q9z ssses, the distance between them

  Ball A is dropped from the top of a buz;3g qis2f s*k/,tfedilding. One second later, ball B is dropped from the sa;e *sfgs f,dqk /ti3z2me building. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a tall building.g-now,hrmjp+zo mdf1v hhd(j- :71 j6 One is thrown up, and the other is thrown down, both with the same inithp 6j-ojfvzw1g dnm o17h ,d-hj m+r:(ial speed. What are their speeds when they hit the street?

  A brick is dropped from (gnnw tqzwygt.rdce:lk*l45 0: p ;r1the top of a building. A second brick is thrown straight down from the same building. They are released at the same time. Neglect air tc0tpr5dw.ek4l:gwl;r : n*1nqgy (zresistance. Compare the accelerations of the two bricks.

  An object is moving with constant non-zero velocity g+xr(jvy;v3 *9fuawvin the +x axis. The position versu;vvwju (vr ygfax*+39s time graph of this object is

  An object is moving with constant non-zero acceleration in the +x ayf7y;21 g apc*n+pdedxis. The posidyc* 1 f7de2nyp+pga;tion versus time graph of this object is

  An object is moving with constant non-zero velocity in the +x axis05 6ckdc72 -rxwt0fdetp c:td s+g(hx. The velocity versus time graph of this gwef:0ks 6- dcrx7t 2c05(ddph+xctt object is

  An object is moving withn,7.ldfw( h)pumpzf ,,3aqlvp:ry-0zv ci 4 e constant non-zero acceleration in the +x axis. The velocitpav ):d y3wvl fp fhzr zn( em7c.4p,-qi,0ul,y versus time graph of this object is

  The slope of a positionnud(091l mj8rae ko uv 9x;*xq versus time graph gives

  The slope of a velocity versus time graph gr(b2:b 7vs +/s.t jv:j)aw o0onlovf jives

  The area under a curve in an acceleration versus time graph gix3t5ca/8yrj w ves

  The area under a curve in a velocity versus time g pa789expee;craph gives

  If the position versus time graph of an object is a horizontal line, the g;) la6t6eg gvobject l6 a evg;ggt)6is

  If the position versus time graph of an object is a vertical ls(prnu+zom7 +i l8)s nine, the object islmn)(ns u+zosip8r 7+

  If the velocity versus time graph of a m4ob+ 2ai,1csmd)g vdn object is a horizontal line, the object is +m1m24ovdcdg iba)s ,

  If the velocity versus time graph of an obja1x.cobcoi tj r+-p9/ect is a straight line making an angle of 30 degrees with the time axi.otbcj+x9i 1racp- o/s, the object is

  An object moves 15.0 m north and then 11.0 pzifvb -rm:3d:s p 1+la.t vkgy5q3f :m south. Find both the distance travel:qik :.pmv+zdt133bfa v-5lpfr:yg sed and the magnitude of the displacement vector.

  A boat can move at 30 km/h in still water. How loabgrcli 5 q2*: albahq-0:6qx ng will it take to move 12 km ups2:hqbar5ibq aql:gc *6al0x -tream in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 160if7u ugkp70vlu;oy(iy 5 ntm))z:f5i9 m)

  What must be your average speed in order to t ,e+ +v-ls ttf4a9vrxoravel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.n,y xzn p.2f1t0 km) in 2 hours and 57 min. What is the average speed oy,px1n tnf z2.f the runner in m/s?

  A car travels 90 km/h. u pw)ghj2.b//)wcm tk How long does it take for it to travel 400 km?

  A ly (light year) is the distance that light traa eye 07y,2q) 6fdfqm0h0naltvels in one year. The speed of light is 3.00 f fl) 02ad t6eeay0mqq,07hyn 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 look to the sid7 ./9k( ycaj3wtsej1-odm yy3a+bol ke for 4.0 s, how far do you travel during this inattentive per3wy97.c e yy3a/ bm1kao k (jd+slj-toiod?

  If you run a complete loop around an outdoor track (400 m), in 100 s,:jn12nig v2oh your average veloci2g1vo in n2jh:ty is

  A polar bear starts at the North Pole. It travels 1.0 km soufqph9tv+ 7e/j aba ;*jth, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its 9vf*bp;/ q+a jte a7hjstarting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It trau m m+f3,3ujjsz8nd 2 ao(c: kjhjp;(dvels 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 veloc2msf:c;d (om ,+up33uk jajnjdz hj(8ity?

  You are driving homel .nl80mis/ po on a weekend from school at 55 mi/h for 110 miles. It then starts to snow andsmnil/0.ol p8 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/h. Whatxba qfrs.zhts/02.5v is the average speed of the motorist for this tri /5srq2s0vfbzhx ..tap?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100hc9aj+urd0; zgqbaeb5kyea p 6w3 ;/ 0 km/h. What is her average speed for th+/cuhdkw3a 9;;rap 0 6ye jbaqbzg0e5e trip?

  An airplane travels at 300 mi/h south for 2.00 h andg,5( t6afamcj.fox :b then at 250 mi/h north for 750 miles. What is the amox5gtfa6. (f,c baj:verage speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the lad9 u jbmip1j c9nm7 5z(6ia8zjk 5-jhsst 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 -7h5pjz15cusdnb69(j 98jjmzi mak ileg of the race, in order that the team A runner not lose the race?

  A car decelerates uniformly and9h8q6 4cdrm9h78bc5b fjzjih 4pei4 j comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's decez i6 9hc44mr4 i7b bjeh98phq5jdfcj8leration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average ratep sfg.d,:x26pi cdx 1s of :id f g s1x6,2xpsdcp.$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerat5omko5 evjz)+eims90 67 eiames 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 a:x s5b g6qkfc.nd 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 m/s for 10 s. It then speeds up with a co+ek. +mt ilp0l b6a1 o63xdlsenstant acceleration s.l0 +1bi6 a +mtl6plok3eexdof $2.0 \; m/s^2$ 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 cond2li6-yg esdasu01q.9dwg s,g 6 ; wuhstant acceleration ofag 6d; s0ew1dyihsugu.l, -629qgwd s $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizon8j enjr d;*, r*ensp,stally 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 accejns rep , ,sen;dj8*r*leration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from ak241g2z v-bu baan2ov;)- qpdwo7onv0re nv 1 catapult on an aircraft 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, wan22qe-1gz;-n kob )17o 2n wv0 b4 pavrduvvohat is the length of the catapult?

  A car starting from rest moves with con8kxd8,aob 5 testant 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 distz9xn+y zfatt(y8k 5c ;9yqrxd;+1b hp ance of 200 m. What is its average accq 1y+zth9pcz+ y (xa;b x rnykd58t;9feleration?

  An object starts from rest and undergoes unif 4n 2fpf t;0 (utjsrofbsn ap/w(z/;*horm acceleration. During the first second it travels 5.0 m. How far2r;(a*/fj ;s4spun(z b t w/0htofnpf will it travel during the third second?

  An object is moving in a straight line with constant accelerbm76zzu/ccbx* ; yzx)ation. Initially it is traveling at 16 m/s. Three seconds later it is trz6u)bycx xmc*z;/ b7z aveling at 10 m/s. How far does it move during this time?

  A car starts from rest and accelerate43v rb-(:oy*p:4zs dahfxiyjewe z1+ s 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 at abou2 vn enwijf02;t $5.0 \; m/s^2$ 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 has been waitin2u 2 *pif2m;vqn l7vku9pm3m 0 a2 ra2mdorf8cg at the intersection starts ahead with a constan*n9aa807olqv vr 2f 22;3ipmmup2mu2 mcrd f kt 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 ac* 7vs.yajwu4 yv b16j speed of 12 m/s on the surface of planet X where the aj1 y*s.au vwb6jv74cycceleration due to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward xij (4f, gnh8wwith a speed of 12 m/s on the surface of planet X where the acceleration du, f8hgjx(inw 4e 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 the surface of plankdlez t8 ,k/ 7q5f*rs8yd)wj uet X wherd,)/dk*f kr7s 5 y8jqut8wleze 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 surface of planet X l-e , z(jn /ejba6ui9nx at0j6whea 6uj6 (j9nlenae,/xbtjzi-0re the acceleration 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 frii:w g3i 05fb28 zpwzpnend holds a ruler between your fingers and releases it without warning2bw3nz if8 p: 5i0zgpw, 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 velocity afterlhe3z- wxsn:qj /w4 p* 3.0*px /-e4 s3lhqwnw:z j0 s?

  A bullet shot straight up returns to its starting lt)ben)ladd .0 e xoc4wj4nl 4 6p7v7d4hby9apoint in 10 s. What is the inlx l4e )bh 4a)ond4d0cn7 6l74vjbtdyp .9weaitial speed of the bullet?

  A ball is thrown straight up with a;e; 9 vz: 6axszsbv).p kwgz+o speed of 36.0 m/s. How long does it take to return to its starting p:+zv;oe)zbvp 9zsgsx. ;awk6oint?

  A ball is thrown downward from the top o5xkmro 1kt9;am/ 5s lmf a building with an initial speed of 25 m/95m5t1s lxkok;mmr /as. 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. (only fill in nume-r 4 )x1+-3e nlsjon 5pnasalqrical value in the blanksq-s-n1oxrps+neja n5la l3) 4)
(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 fiw h2usg;p tq6.ll in numericq2w utp6h;.sg al 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 vel3mfkxnonx 208hm/l zml;t6y (ocity at t = 1.0 s?

  In Fig. 2-1, what is the velocity at +)ea kww/;w sh9wm5j)w+hxwd t = 2.5 s?

  In Fig. 2-1, what is the velocit (1hy eydn0cs,y at t = 4.0 s?

  In Fig. 2-1, what is the velocity atsugld(3m 3j bw: bk8amy,;cs . t = 5.5 s?

  In Fig. 2-1, what is the average velocityqy5cf9qmqe 1+ from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 to 6.h06qwnct;x0 kjj 5s6l0 s?

  In Fig. 2-2, what is the acceleration at 1.0qf1 unut;c0i3 s?

  In Fig. 2-2, what is the acceleration at 3.0 sb *fx3: gxug)g?

  In Fig. 2-2, what is the average acceleration from 0 to 5.0 s?6c9k oro- 58 wqbxd;vf3rmd)c

  In Fig. 2-2, what is the average acceleration from 0 to 8.0qx0j-b 0qz/h 3-esj/9d* pox o6ackju s?

  In Fig. 2-2, what is the displa9x :jp99p:d eqd mlk:bcement from 0 to 8.0 s?