Suppose that an object travels from one point in space to another. Makxfn q :xqy3/al8uo)l7 e a comparison between the displacement an3q/allqoxu) :y8f n7xd the distance traveled.

  When is the average velocity of an object equal totv(-. hatc.zyhnq 4+ a the instantaneous velocity?

  A new car manufacturer advertises that thei9tdbp.faaoel,9 f9 w ;r car can go "from zero to sixty in 8 s"fab9;dwop9e.9fa l t ,. This is a description of

  An object moving in the +x axis experiences an acceleratixi- xf4e aq2o:.c6r1m v:b rrcxbm;s+on of $2.0 \; m/s^2$. This means the object is

  Suppose that a car t 3 ;hcc5qy7uk,dar;p5buip7mt *gix ;raveling to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concer *d5uk i; 3;;bpguh7axicrq5yt7pmc ,ning its acceleration.

  Suppose that a car traveling to the West u qoe,y-oov1yg ekf6 hl+5b26jj:j 8t(-x direction) begins to slow down as it approaches a traffic ligog 2qj,:+6hje 5y1oo8l v ebfy u-6kjtht. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statemenkgfb(3hyu+ uc g;q4m0 dc/51gnj ng q9t concerning its acceleraf0ncd mj g(cqh/gg145y +b ;3q9uugn ktion.

  If the velocity of an object is zero, 1dvs6 bckx4p3does it mean that the acceleration is zero? Support your answxcks134b6dp v er with an example.

  Can an object's velocilp4 odwb;p5d: uz3qt 0ty change direction when its acceleration is constant? Support your answer 5 dqpwl43tb;z0do:u pwith an example.

  Suppose that an object is movi1fd2 oc+zhgx:nyfioxu5y , z .m/m(5cng with constant acceleration. Make a statement concerning its motiozxy. om i5cxfy1ch+u5f (m/dg,:z o2 nn with respect to time.

  Can an object have increasing speed whil9(s p/o0.d zxdsqjo*bez,l /mh;(*d asx5hgte its acceleration is decreasing? Support your answer with an exampletoz90,*o m glx/(zh(pe bd ;sjasx/.d h5*dsq.

  Suppose a can, after an init.yb7effnzqn 4wa7:: zial kick, moves up along a smooth hill of ice. Make e7 bfyq:z a:fz. wn7n4a statement concerning its acceleration.

  Under what condition is average velocity equal to the average of 07r bq5 bfhvh9the object's initiar9b h5 bhv7q0fl and final velocity?

  Objects A and B both start a q pkmqna3* .)jcj 9yzgn7;bw5t rest. They both accelerate at the same rate. However, object A acceleratenq 7);n95 q. zcmp wyjj*bag3ks for twice the time as object B. What is the final speed of object A compared to that of object B?

  Objects A and B both start from rest. They both acceler7xow(74egk yxate at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled bkxe747 (gwyxoy object A compared to that of object B?

  When an object is released from rs;6vzmrdp82 z9ri 2 jhest and falls in the absence of friction, which of the f28sm zji92rr vph ;6dzollowing is true concerning its motion?

  When an object is released from 1 3k 3mx+oxzbtrest and falls in the absence of friction, which of t+3tmo3bx1 kz xhe following is true concerning its motion?

  Suppose a ball is thrown straight up. Make a statement about the velocity w1/*az(5 +gjmt tkmbc and the acceleration when the ball reaches the hig(c bz kjwg5*m1a/ tm+thest point.

  Suppose a ball is thrown straight up. What is its accd lyrx4x 4+v76 vzsp1v9bgv b1eleration just before it reaches its highes6 1vvs gdryv 7+xvbz19x b4pl4t point?

  Suppose a ball is thrown straig4 a p: / ;l/39:kaigktpnab-hqgq 7cutht up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of th:a:ata4/7; gb9qhcqupn ikt k 3g/l p-e velocity and acceleration as the ball is going up.

  A ball is thrown straight up,79w sr 430 .vuchnqipc reaches a maximum height, then falls to its initial height. Make a statement about the directionnw3 0s7pr49 .uciqvhc of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward ixa1jxxi a icdz/t) ngz 4-6-:d3cy+dcn the absence of air resistance. Make a statement concerning its acc +y6z)3c-tn 4:-d1 d/cajgi cazxxxideleration.

  Suppose a skydiver jumps from a highuw r10ma, jy3den,rf: -flying plane. What is her acceleration when she she reaches terminal velocrr: uw,,3 aj0 mdye1fnity?

  A ball is thrown vertically upward 4zr m2nm1+kq8;o sz. p2da tcx(zia6ewith a speed v. An 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 ac2x to a.ize;dspm 2z+k84 (qn6 zr1mthat 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 buildi) 4bl05 tatxpmng. One second later, ball B is dropped from the same building. As time progressestb4txa0l 5m)p , the distance between them

  Ball A is dropped from thet.om;x djc8d-:w u0xbq0qsh8 top of a building. One second later, ball B is dropped from the same building. As timu mwbdq .;-0jo:cd0q8tx8h xse progresses, the difference in their speeds

  Two objects are throqtl : 1pbu nyb (vt/mt;rg,1:mwn from the top of a tall building. One is thrown up, and the other is thrown down, both with the same initial speely1brvnuq;tp1( bgm :m :,t/ td. What are their speeds when they hit the street?

  A brick is dropped from the top of a buildinsag ik6 hr,l3py: 6o8mg. A second brick is thrown straight down from the same building. They are released at the same time. Neglect air resiskrim gop66y sl:ah8 ,3tance. Compare the accelerations of the two bricks.

  An object is moving with constant non-zero ,lt uqgr+l; :psleb2 2 dxy-o4velocity in the +x axis. The position versus lpu b do;2leg-:lys4,xtq+2 rtime graph of this object is

  An object is moving with constant non-zero acceleration in the +x axis. The pzh s-a 7yy)jk)osition versus time graph of yzskh)yj -a7)this object is

  An object is moving with constant non-zero velocity in the +x axis. The velocitys ew1;f2zt cy5 versus time graph of this oft1 yescw 5z2;bject is

  An object is moving with constant non-zero accelerati o,znkm67t4r l.*me aoon in the +x axis. The velocity versus tim 6 omnml et4ro*,7zka.e graph of this object is

  The slope of a position verwjpdh(u3- 9 ujsus time graph gives

  The slope of a velocity versus time gpe r1+jq c(vy,raph gives

  The area under a curve in an(nmz kuk : k/4w3; rgxsk.ebq4 acceleration versus time graph gives

  The area under a curve in a velocity versus time graph uruyk:,.gxt v/rw+q)gives

  If the position versus time graph of asvhv) taj+k *zc94d d.n object is a horizontal line, the object i9c*a.vv )dz4kjht +sd s

  If the position versus time graph of an object is a vertical line, the object is c03inv*3jv tl26j*brbsgn8hh* v(wktp1ez4s l*h6jbnghj04 3*pn(c 31vv erk* tzw 8tvbi2

  If the velocity versus time graphv8si(k; br+; lzf t5x7p etz1f of an object is a horizontal line, the object isf;s5i+x 7 zk8 pebtvrf ;(lt1z

  If the velocity versus tim+s g +f6f6ge bfjbl*2oe graph of an object is a straight line making an angle of 30 degrees with the til+f g feb+6g o62jb*sfme axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both the distance travmwu /o2khu vmq3) .s/jf*n:okeled and the magnitude of the displacement vector.k )2n h:m.ws*/kmqov o/ ujfu3

  A boat can move at 30 km/h in still water. How long will it takug:t )l06m/hc(mi e ygp7d lu,e to move 12 km upstream in a river flowing 6.0umlg6t,g l y)m(0 :i p/7huecd km/h?

  55 mi/h is how many m/s? (1 mi = uulcqkk3wgs (p.6,1 v 1609 m)

  What must be your average svx3h21nk, dot h:p3f qpeed in order to travel 350 km in 5.15 h?

  A runner ran the marathg9m7nok1c 5evon (approximately 42.0 km) in 2 hours and 57 min. What is the average speed of the runner in m/vkg 597 1ocemns?

  A car travels 90 km/h. How long does it take for it to tra 5,c by)pktlhq8+*al2ky tia( vel 400 km?

  A ly (light year) is the distance that light travels in one year. The speeud1 w pe1d;fjc++, wgtd of light is 3.00 x 108 m/s. How many miles are wd1f w ut+ p;d,1gce+jthere 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 sidev.5yi vv:y0xl;tz tb9 for 4.0 s, how far do you travel durin zvit 0xtvv;9bl :5yy.g this inattentive period?

  If you run a complete loop around an outdoor track (400 m), in 100 wwj+ ui6xe7kox7l4 *cs, your average velojx7x k7we6 wl+ 4co*iucity is

  A polar bear starts am23a(ev 7 huedba0 do1kp,xf1t the North Pole. It travels 1.0 km south, then 1.0 km east, then 1 0mpoa3xkdvd1 2fbh7,(e u e1a.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 speed?

  A polar bear starts at the North Pole. It travels 1o*5/n6 :(ur8 scx/v wokqcx/ue 6jlx /vmp.xx.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starte :8o(w*/ xu/ .l/o6x crqkmxp56vun xsv/cjxing 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. g)eio jmn9 h2kdj6pm q;c48-qIt then starts to snow and you slow to jk)p 2qjq;9 n-h6mogie4md8c 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. What is the averag 80r3puc9shtxe speed of the moto s3p8rx9hc0u trist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. /kodphs( wq88y,0 dr/x b1bny What is her average speed fo ryy/1 sb08,8/kx (wnbdpqhodr the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then a9r6o 0facnj0 vt 250 mi/h north for 750 miles. What is the aoc6 j9f0r0anv verage speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last-v 6efy q+sdta9. c4cu:xvd-s 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 teay-6ssf: cv. qtuc+xa-d4 9 vdem 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 afts2ml6 r5x+.aezj r0w3h r)hkper 10 s. The car's average velocity during deceleration wrs6. jwkl 3)0p rz+hx5h2emra as 50 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 thex exka33h)4vgo k6nl0 average rate of e6xkv0lxh3o)an 43gk$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at thu7 wr8ur/pojf2 aj7;ne 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 accelerates a.mu-u.i *kv n oqlg-b:t $4.0 \; m/s^2$ 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 aztp qkb-9f e 10ye8c*ygd.x4f constant accelerationfpg8q1-yz yek b.4 exdc*t90f 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 mu a rz32skvna7;;6kr k/s experiences a constant acceleration o 63na;2kv7k krs;azruf $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x direction) with gs;5/k ako9-vb l jrwv gki*7/a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is gvv/saw7;- 5 gi9krk* / ojlkbthe average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircraft : ; v o+yj;ga,gnsb4fqugv9 v r20sqdk-x j*1rcarrier. It reaches a sprs:jya9 dq j u b4sg;q1g ,vogk2f-r vn0x+v;*eed of 42 m/s at the end of 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 withg4 5-rsq* -cx.fnyogi constant 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 1enk; qyv5(pogqtq2 *to 80 m/s in a distance of 200 m. What is its average accelerationq ynt v*gpke;1qo52 q(?

  An object starts from rest ynm12f ,hme k:and undergoes uniform acceleration. During the first second it travels 5.0 m. How far will it travy: mn,ehmf1k 2el during the third second?

  An object is moving in a straight line with constant accele g)iw0l)i83lz/ufv4fwz *z;sos cn 9eration. Initially it is traveling at 16 m/s. Three seconds later it is travelcz lls48i)9f ew03vg* zzoui fs;)nw/ing at 10 m/s. How far does it move during this time?

  A car starts from rest and accr:*nw txh +t-oelerates 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 a/tb hbyqn.m69 t 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 been+nz91en ccd o4oer )s7s0l(wj waiting at the intersection starts ahead wd9 e ocr47)n1jwl(+oss 0zecnith 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 surf a/cy9m2 rt,o2vh wep8ace of planet X where the acceleration due to gravity 8cwh/ mr,ta22eo9vy pis $1.5 \; m/s^2$. 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 planet X nq )2 ns/r/*xyalj4e hwhere the acnh eqryls*a2 x//j4)nceleration 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 the surfacz0h7z5 mf )2 gprxc;u fici,0re of planet X where the accelerr2fc )0 c5f,u0ximzi7 r;z gphation 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 surfa-j uynpf15mdfx99 63 tkmdy6gce of planet X where tnxud69m613ymjp-fyg dkt5f9 he 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 usuaa1-cif p 9x(o *ok3wehlly greater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the 1xc*i- oo3fp(ae9 khwruler to fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. Whusm: pc,*s0yqx z-4d rat is its velocity after 3.00 smxu0r:p-d sq ,4ycs*z?

  A bullet shot straight up r6 gxgc*uj:: ,zbug5i 8-or vkmeturns to its starting point in 10 s. What is the initial speed ou*8gircg x:,b6kj:vmg u -o5 zf the bullet?

  A ball is thrown straight up with a speed o5 bfegm;z-ja,uui9x ;f 36.0 m/s. How long does it take to retur,;i ubz axuj5m-e g;9fn to its starting point?

  A ball is thrown downward from the top of a building with an initial ltulrps ga. ;r)y9y)wp2k 0n j 8vc+7tkl;8thspeed of 25 m/s. It strikes the ground after 2.0 s. How high is the buiu8 +tp;s)wct)yp;jn09ar l87lkhl 2ry .gtkvlding?

  A ball is thrown straight up with a .r:cx mk8 jot:speed of 30 m/s. (only fill in numerical value in the blankokx.jr t:m:c 8s)
(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/sq83.kr hn it l7mxwvxc7kg6 d)4jm yt9h4-ke3. (only fill in numerical valu .7k k6- mkthwc8gyq7d4349ne3jx)mth v lri xe 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 velocityfnz0:3gx b;k peg 35py at t = 1.0 s?

  In Fig. 2-1, what is the velocity s9afr2fb oz2tdh 2zl2 c, -7i65xkokvat t = 2.5 s?

  In Fig. 2-1, what is the velocity at t = 4.0 fhiu + hd4dis49 5gu,ts?

  In Fig. 2-1, what is the veloc+geegnm dgwz*2**. qlity at t = 5.5 s?

  In Fig. 2-1, what is the average velocity from 0 to 4z/ d)ecurgn3 w- y-gn..0 s?

  In Fig. 2-1, what is the a ,sj +us,2zq2 xr bv +j(xta,7+ucvywnverage velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration atve,/vr48bci /)jzyqz 1.0 s?

  In Fig. 2-2, what is tmbr:jk7 9krit+mgh *0he acceleration at 3.0 s?

  In Fig. 2-2, what is the average acceleration fry c l3csv;wmu)1e/(gaz 8fi*a:*y tvl om 0 to 5.0 s?

  In Fig. 2-2, what is the agg7m/w f prmx 43uh+4tverage acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacement from 0 to 8.0 s?u up46 o2kyx /wrbx5(z: xa1gy