Suppose that an object travels from one point in segae-p3x l :z)pace to another. Make a comparison betwe- xezg):3 lpaeen the displacement and the distance traveled.

  When is the average v1;so i b (+eto*ezf0sk:i(b2xtzg, yvelocity of an object equal to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "from z: vqd,i .d )b4kc;.l nqh xy8t8blckl4ero to sixty in 8tk.q dbxl 8kl v:li4hb)yq 4dn8cc.,; s". This is a description of

  An object moving in the +x axis e, jdo-xt:5c96uslx fexperiences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begins to slow d jhtmu:bgb 2,:own as it approaches a traffic light. Make a statement concerning its acceleration.bu:t,2ghj m :b

  Suppose that a car traveling to the West (-x directiqs z8k*d5jru6;/b 0uben8z gpon) begins to slow down as it8/8usu gzjrzp 5 bdben6; k0q* approaches a traffic light. Make a statement concerning its acceleration.

  Suppose that an object is movi(aqdjbf4s1 lj1( -;vbmn5 l;ce ov ev*ng with a constant velocity. Make a statement concbj4c;e 5dso1qv1*avlnf (ebl vjm;-(erning its acceleration.

  If the velocity of an object is zero, does it mean that the accelerdfx8nf+qu8(yy)j( cf t,d/ -p mlmg2 nation is zero? Support your answmfqfnpgctyx +- 82,8/n )ulmyj ( ddf(er with an example.

  Can an object's velocity change directiow.d fso+t7c1tn when its acceleration is constant? Support your answtt17 +so .wcdfer with an example.

  Suppose that an object is moving with constant acc/7 iaa:h9gt z-bnio7xeleration. Make a statement concerning its motion o9igat7 -h:a7 b/in xzwith respect to time.

  Can an object have increasing speed while its acceleration is decreasingyy(vdxhu)fq:br* oah smv/-o.3.8ni ? Support your answer with a.:/n.my3*) -xqh8(avrdsvof o hybiu n example.

  Suppose a can, after an initial k/ijwq9sz lm5n3,py7 kxsp:r 1 :0leb uick, moves up along a smooth hill of ice. Make a stateme:/s s 1xul3br79pzqlj w:5y,kenmp0 int concerning its acceleration.

  Under what condition is average velocity equal to the average oiz mqk wla y;(9al: 5c0j,hix9f the object's initial and final velocicy9kxal;:ml a,i(i0 zwj 59qhty?

  Objects A and B both stlf/najfv*3:;el rqa 3 art at rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. Werja*aqf3fl/ n 3v:l;hat is the final speed of object A compared to that of object B?

  Objects A and B both start from rest. They bot ds.q3)41t(ppdxnwt dh accelerate 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 that of object B?d )d34qpnx 1.pd(swtt

  When an object is released from rest and falls in the absence of fr(27ff ry-yp uen2m hh5 4rk)bdiction, which of nhhb)47ek5 -m( fp22fur yrdy the following is true concerning its motion?

  When an object is released from rest and falls in the absence of friction, p:sjxpgvtd+cnh//7aq 01)c ;w7 leclwhich of the following is true concerning its m0de:v)1pcjc7 c; ptws 7l+q//ghlax notion?

  Suppose a ball is thrown straight up. Make a statement about the velonq , t )o+cn9dhxlbw/y *jm/m8city and the acceleration when the balh/ ,ntx9c dm)j / 8m+ylwqbon*l reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration):-s on)mm7 8m)fxtkxqgec t( just before it refsnom:q t x-mm8c t)gx(e7))kaches its highest point?

  Suppose a ball is thrown t;pd0 o(r7xdvstraight up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball is grd;p0ov 7( dtxoing up.

  A ball is thrown straight up, reaches a maximum h 2if8mdf- d*xleight, then falls to its initial height. ldix-2 *fd8fmMake 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. Mak7x66h 26(d/g9ipx p hwt kf /gtszju)re a statement concerning its ac f7t6 gijxh k/9uwts)dxz2g6p( pr6 h/celeration.

  Suppose a skydiver jumps from a high-flying 2 /ky,yumux h )qpw;5kplane. What is her acceleration when she she re2ukkq hmp/,yw);uy x 5aches terminal velocity?

  A ball is thrown vertically upward with a speed v. uvaol8q ge 3 qrf:2gbc/63kcngdq3 15An identical second ball is thrown upward with a speed 2v (tq g36c 2u ceg:331dlq kvgqonbf5ar8/wice as fast). 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 building. One second ld:k ngv,* bh*rater, ball B is dropped from the same building. As time progresses, the distance bb*, dkn*g :rvhetween them

  Ball A is dropped from the top a+k(-hpbxzl .9 6xhlm of a building. One second later, ball B is dropped from the same building. As time pl(kh+ -bpza x9x .lmh6rogresses, the difference in their speeds

  Two objects are thrown from the top of a wj. r.dg-f b48*mgcldwx o29pdg 5ln 7tall building. One is thrown up, and the other is thrown down, d .2wwxn- 7jlrfdbo*ldg9c 4mgg5 p.8both with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from ths49k3bxh ) qgke top of a building. A second brick is thrown straight down from the same building.h)sx34bqk k 9g They are released at the same time. Neglect air resistance. Compare the accelerations of the two bricks.

  An object is moving lqha81f*zx xpaf:).l:d- y gxk-auf7with constant non-zero velocity in the +x axis. The position versus time grapfa7yzl)fhx. gxu8 a-a1:l:pd k xq-f*h of this object is

  An object is moving with constant non-zero acceleratiokp+; rt rbd. mdig29f+n in the +x axis. The position versus+9b;i 2grtrp.df+km d time graph of this object is

  An object is moving with constant non-zero velocity in the +x0r-.pcg2o8 zq. zkkh q axis. The velocity versus time graph ohqqr2ckp- z o.08.kgzf this object is

  An object is moving with constant non-zero acceleration dpox 42ap1 h4eay7 23 iswd+qfin the +x axis. The velocity versus time graph2h 71 pf4xd32w4soepq aydi+a of this object is

  The slope of a position versus time gvuurb/b2/4 jtdsgh33 raph gives

  The slope of a velocity versus time g4 jhfr -zew:+t zf80xgraph gives

  The area under a curve iy;. s ae(ro0/an:d (3vog*e tx7ndxj nn an acceleration versus time graph gives

  The area under a curve in a velocity versusa g6kvzxlndz s:if t3t:;k5// time graph gives

  If the position versus2k::hc hhpa :w time graph of an object is a horizontal line, the object ih2h k ch:pa::ws

  If the position versus tis))(dfrw:q2hgtay j 0me graph of an object is a vertical line, the object is( dhg))t0r2 wj:y sqaf

  If the velocity versus time fra(dc 1zy+zt k/kb,i o4 f.z.graph of an object is a horizontal line, the object +/.4afi. z ytz( o1zd,br ckkfis

  If the velocity versus time graph of an object is a straight line making an anglv 91cj3t0n eooe of 30 degrees with the time axis, the 1o o0c tnve9j3object is

  An object moves 15.0 m north and then 11.0 m south. Find both the di fyguvoe/ jz a((s2j(0stance traveled s(u(2 az(0vgfyjeoj/ and the magnitude of the displacement vector.

  A boat can move at 30 q*a0pf.at 5enkm/h in still water. How long will it take to move 12 km upstream in a river flowing e0*.5ata q fpn6.0 km/h?

  55 mi/h is how many m/s? (m0ss )9 ii5(cx1s.ly-j zzq.i9rwpv r1 mi = 1609 m)

  What must be your average speed in q6q)vj *j76qd+ z yq cumos7r9nj9qn (order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hc3uz e51 5;gips ( l2-ovklnimours and 57 min. What is the averagikip3s -;m 1c2uez5nv logl5( e speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for itwjbp:a3dsndgpst (0b+a0;4 a60kfmxrcz 0r + to travel 400 km?

  A ly (light year) is the distance that light travels in q2av0n75x/ btlt pedfx47*qp one year. The speed of light is 3.00 x 108 m/s. How many miles ax e b 7d2/4q*nt75pf0 qvxalptre there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h 0u1o;xs, / cwi1mgi us5jl+fpalong a straight road and you look to the side for 4.0 s, how far do you travel during this inattentii/j,gp5lxmsuu+os;c 1fw 0 1ive period?

  If you run a complete loop around zt/04qzu t;kiym y/* y *fkh/gan outdoor track (400 m), in 100 s, your average vel4iz0/* g fty*mqzy/ thukk /;yocity is

  A polar bear starts at the North Pole. It trave6kr oep)9o ea z5owu)(ls 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 6ouo)rzew)e5p9o ( ak average speed?

  A polar bear starts at the North Pole. ; m-r: rc8vfuiu5oe:o 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 t5 u rvecr8:i:uoom ;-frip 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. It tm xessd( vi+9.hen starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is your hometown f.de vx(m9ss +irom school?

  A motorist travels 160 km at 80 km/h and 160 km gbi cld1/3m 5bj ;zes0at 100 km/h. What is the average speed of the motorist for this tri;0l5b md/bezjg 3s1c ip?

  A motorist travels for 36+lrxmq/tmlw4fe mw9 ;,c sp5 .0 h at 80 km/h and 2.0 h at 100 km/h. What is her average spee4+lqxw le mrm;cp59 wm/, tsf6d for the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/8* sg:0msi ivls74 cwih north for 750 miles. What is the average speed for thegli:smw7*s is8 i4cv0 trip?

  In a 400-m relay race the a*do5 shfnmz5s1uyi ;7nchorman (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 havo5df7;yiss u *5 hnzm1e 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*ts; n rlt7 b)n4boii+bj*.m k. The car's average velocity during deceleration was 50 km/h. What was th os;mbli4.n*b*t) bj tk+r7nie car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the awxev1sjc lk7.aii 9k6,1ig f5verage rate of 1a siic 57le,gwkjx.i6f 1 9vk$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h ah72 7ip n6fy+yk 6aztjccelerates 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 acci3zldby z 8i0* bt,8 f k7fgbdcx9:9njs q.*efelerates 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 wits8,gk9.:dtij bilbi dz a0r69h a constant accelerationg i k,690z :98jabt.rdsli bdi of $2.0 \; m/s^2$ 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 acceleg:wojiag2,/mq d . iz6ration ofz2qa/ jgw.io:6mgd , i $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving hori(tibgid ,9j *+ikwa, nzontally 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 accelerati id,*(wgna b,k+tij i9on, in $m/s^2$, of the bullet?

  A jet fighter plane is launched+nv-k- /tgfkz:7ju )d pq.mcd from a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this f -qddctjvzk/u.)k: gmn+p-7requires 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest moves with constannxia7hzc 7x 5b8y)z8 jt 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 8lk7d fb ,5 0s-48hu1joww cwydq(g2 gj0 m/s in a distance of 200 m. What is its average accelerationldd8ckgjw 4 71o2, wqguf-y05(sjbhw?

  An object starts from rest and undergoes uniform acceycjocuk,6ddmz** 4c w,u1 +ovleration. During the first second it travels 5.0 m. *v zcjo,1uko +m*dd4y ,wu cc6 How far will it travel during the third second?

  An object is moving in a straight line with constaqf:x decq s97*f kg0yyi8 w1u8nt acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does i*yywi8qxk:g 7 cf9qes 1 u0d8ft move during this time?

  A car starts from rest(gd 7t0odb.mv1phh 5z and 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 tires on a dry road can de6nrzi-l8 5 itfcelerate 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 has c(dn5a+t-ghs been waiting at the intersection starts ahead sac5-t (gh dn+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 u( z7 2omtq 5h4 9)injhkf0upblpward with a speed of 12 m/s on the surface of planet X where the acceleration due to gr)95jtz2olnmp0ifqh 47bhku( avity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown 5 /rmg)kugttb5 8fpzz+6 l(l jupward with a speed of 12 m/s on the surface of planet X where the acceleration due to gravity jf5r tmgg/+uz(l l6zb)k8 tp 5is $1.5 \; m/s^2$. 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 s bq6rb6d cf8s3urface of planet X where the acceleration due to 3sd b6crq6bf8gravity 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 surfaciy bojtynml4( p-5xk 15/hut*d 3.ll(mgtdt* e of planet X where the acceleration due to gr-lg4xlu 1y dm bydpn*t(ito5(t 3lt*m.j5k /h avity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time it 3 .ncchgo:*os usually greater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you ex : *nooc3chgt.pect the ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 1 w))wke-bwfg; 9.6 m/s. What is its velocity after 3.0;)wbw gfw- ek)0 s?

  A bullet shot straight up returns to its s-8-wajv6wljw: hr iy 4tarting point in 10 s. What is the initial speed oflw :ahi j4wr-8vw-j y6 the bullet?

  A ball is thrown straight up with a speed ofaow g9tv 2i/a: 36.0 m/s. How long does it take to retu a a9ov2:wtg/irn to its starting point?

  A ball is thrown downward from the top of a bui8x4 *u bho0m/cacwow z)o3 dc3lding with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How high is the buildinga o3wb8d30cc cw/hzxo*) umo4?

  A ball is thrown straight up with a speed of 3qklnqrpn zlhe;x: 5; ;9s /;+ fs9govf0 m/s. (only fill in numerical value in the blanks)zv;n pqr:s;o /e9lq5ffkg; nl+9 hs;x
(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+gh:ou /rz9a,8 vzp ci ,zesp2 into the air with a speed of 30.0 m/s. (only fill in numerical value in the bla p,8+9c /z, oi2gph:zrusez avnk)
(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 velocityc0ikv cp()-fg 1x o7gyk +6lld at t = 1.0 s?

  In Fig. 2-1, what is the velocnak ;yhx2 ysy sn2+5j3ity at t = 2.5 s?

  In Fig. 2-1, what is the veloci *yat m7j+dnx0zv9n. xty at t = 4.0 s?

  In Fig. 2-1, what is the velo q4(tqa + xqeyrwcj72)city at t = 5.5 s?

  In Fig. 2-1, what is the/m rl)z9t ppy- average velocity from 0 to 4.0 s?

  In Fig. 2-1, what is t qk:r zi 4bou. p4ft*ef5nf8j9he average velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration a b zalwr6vb8(+*hbb(j2fm *e7kjwr3 dt 1.0 s?

  In Fig. 2-2, what is the accelemst i7 2xudq(0ration at 3.0 s?

  In Fig. 2-2, what is the/tl;fie7g)v bo h 55qp average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration f/loigh4c,hmg+q7 yt5f od r xyn+, x6/rom 0 to 8.0 s?

  In Fig. 2-2, what is the displacement fro, z; g2n1r,.a nz e4uhgqn*zgsm 0 to 8.0 s?