Suppose that an object travpexsz;he, e( .ba,z7aels from one point in space to another. Make a comparison between the displacement and the diz,xa,e bp;sazeh 7 e.(stance traveled.

  When is the average velocity of an object eq ha.6mcnq3 ov;ual to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "frot-f f4i -g7avmm zero to sixty in 8 s". Thifgav f-i7- t4ms is a description of

  An object moving in the +x axis exper ye6g6prx/od 3d xa2h4iences 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 fji4 wr84 4bfbdown as it approaches a traffic light. Make a statement con44 j84frfbiwbcerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow down : iik796vqbh jas it approaches a traffic light. Make a shqvi7i k9 :6bjtatement concerning its acceleration.

  Suppose that an objecb )s el qjfxay69.c ul7/a-,bat is moving with a constant velocity. Make a statement concernib./ - ql7aa9e,s)bua f6jyxclng its acceleration.

  If the velocity of an object is zero, does it mean that the ac w wcy,g. l3cnkd;dwzzd; 3 3r7an*jh/celeration is zero? Support your answer with an exaw,wh ;3an ;c7cdkndg3z.r lwz* 3 j/dymple.

  Can an object's velocity chank5 qd))xmn6 lulf 1tpgr,4vi+ge direction when its acceleration is constant? Support your answer with an example5,4+mpul) nxtl dfki 1)6qvr g.

  Suppose that an object is moving wit ;p.a421gw(onz t1zu egxqk;jh constant acceleration. Make a statement copn 1 4.eo1kg(xu jazt2 ;zwg;qncerning its motion with respect to time.

  Can an object have increasing speed while its acceleration is decreasing? Supp0s3nw9ra m6ufort your answer wifr0 na6s9m3wu th an example.

  Suppose a can, after an initial kick, moves up alnqw+(3z8 qq2mb( hilt3hfgq 8s4ox i 9ong a smooth hill of ice. Make a statement concernin qo2g8xhb( +mint3l qh8s9zw iq(3 fq4g its acceleration.

  Under what condition is average velocity equal to the average of the obje la yupfg043d.y rr j4sqbd4vh /72j:wof9 i,bct's inwd9j :f4 j i/dbv7,3p2ursr blhy4qay.0o 4fgitial and final velocity?

  Objects A and B both start at rest. They both accelerate atux pm e*cj4fc+77w, h*7acm hl the same rate. However, object A accelerates for twice the time as object B. What is the final speed of object A cw4+cj7c *7h, xepc7u*hl am mfompared to that of object B?

  Objects A and B both start from rest. Thhak7-gmrl pxxzva (0fw7,+) q ey both accelerate at the same rate. However, object A accelerat-qwak, 7pfal+vmx rz) 7hxg0(es for twice the time as object B. What is the distance traveled by object A compared to that of object B?

  When an object is releasg;pg(+ c2vz 4f5 boofoed from rest and falls in the absence of friction, which of the following is true concerning oooz5g g 4+bc;2(v fpfits motion?

  When an object is released fd iybk/xoj +0--6c *jthb;perc; ceu:rom rest and falls in the absence of friction, which of the following is true concerning its mox beoyci0kp;cb; uj 6-e:-t +/h* jrcdtion?

  Suppose a ball is thrown straight up. Make a statement about the velocia8 px ptk2r)r*ty and the acceleration when t8kt r* )ppxr2ahe ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its accele)s4 9gz)g:dznm4+ xcc vplp7q ration just before it reaches 4+7n) c9xv gmdqlp 4gcz)p:zsits highest point?

  Suppose a ball is thrown straight up, reaches a maximum height, then falllb:ydxfa9w2zi96ac6eihfe;m s 3) 9xs to its inwec bfl6 xd3mi9x) f9a2:h9i ayz6;se itial height. Make a statement about the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straighw;w1 kpd s; erz,e+5bwt up, reaches a maximum height, then falls to its initial hei+ser 5b1,ew ; pdwzwk;ght. Make a statement about the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward inty83 qdf7l9mk m2u8w p the absence of air resistance. Make a statement concerning its acceleration.2uytfp l m378w8k9mdq

  Suppose a skydiver jumps from a high-flying plane. Whh0jj h5 i30ft.x)m7yj alza-tat is her acceleration when she she reaches xj30ht. y5hz7 -m0fj)iajl taterminal velocity?

  A ball is thrown vertically upwa) lggi v9wibm;- e94t(,e0dl hhv-xesrd with 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 that of the first -d;lew4hie)sil-9, v xg g9t0hm (vebball? (How many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of a buildingt b5i2 xqwak1o:0f* vt. One second later, ball B is dropped from the same building. As ti wtov5f*x0b a2:1qtk ime progresses, the distance between them

  Ball A is dropped from the top of a building. One second hgj5xvl7k(mz:le/bk ;m n s.5later, ball B is dropped from the same buildinn (;xmll:e.vzg5 s/ b7k5kmj hg. As time progresses, the difference in their speeds

  Two objects are thrown from the top of ;9r /cq fmt.2 schhe:gow(3i;bnp .jba tall building. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds2(; w.;ob hic/.pg b3rsqcfet9j m :hn when they hit the street?

  A brick is dropped from the top of a building.j n5v9yr5w )yb A second brick is thrown straight down from t yb9ny5 jv)5wrhe 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 myiz803jj ,(lmca u*e+x axis. The position versus time graph of this objj8um0i3mla( eczj* y, ect is

  An object is moving w6gh q9cw2 upw4ith constant non-zero acceleration in the +x axis. The position versus time graph of thi9qwpgc u 6h42ws object is

  An object is moving with constant non-zero velocity in the +x axis. Th*gp2 /hbk,-(xdatu, ui2jkmi e velocity versus time graph of this objectbmg ,uxdk*tp i2h 2(iu/,jk-a is

  An object is moving with constant non-zero acceleration f4j8a +im:).ro.3jkyzu v lwcin the +x axis. The velocity versus time graph ofwl a+y i)f.jj4 :.vckzou83mr this object is

  The slope of a position versus time gra z,cv:i ;jj+ntph gives

  The slope of a velocity v rw/ ucl.e0x whmi.)y5ersus time graph gives

  The area under a curve in an acceleration versus timesi5m/i+af z5 z graph gives

  The area under a curve in a veli6to7 fvhw5 r9ocity versus time graph gives

  If the position versus time graph of an object is a horizontdi.f ; ;ctr94oipnos4al line, the object iscs4; .;oor p4idn9tif

  If the position versus timem bu3( qz l4lu4quin4+ graph of an object is a vertical line, the object is4 4lzn4( u3+lqumu iqb

  If the velocity versus time graph of an object is a s pj0cmoj.cb-m(81bz horizontal line, the object isc8bm-(.osmj1 j c p0bz

  If the velocity versus tim6s jrjg;h lar9c:imbe0xh j0(j(b t4.e graph of an object is a straight line making an angle of 30 degrees with the time axis, the objxe0jrli(s(4 t .06r bbhhj9c :gjaj;mect is

  An object moves 15.0 m north and then 11.0 m south. Find both the dist(kr:6nm*n evxvs )9kpance traveled and the magnitude of the displacevm9k6)e s(kxp n vr*n:ment vector.

  A boat can move at 30 km/h in still water. How long will it take to move 12 km ma*ct3y7()bjru k2hb8md v9r. 7dkle upstr.dm2kyltdeucj 379b 78 * brkm()ravheam in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mii)x 2snv swb)7 = 1609 m)

  What must be your average speed in order to travel 350 g zh.cxti* 5f2km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) inu -p*mhj4 5vvx 2 hours and 57 min. What is the average spepj4 xvh5m*u v-ed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to travel 400 km?cscjp+t l2s/5

  A ly (light year) is tholw.k l82ple3 1.0fl5sych nxe distance that light travels in one year. The speed of light is 3.0k ..l0elny f pl8h5w1so3lc2x0 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 anx xm g;afq;0)xd you look to the side for 4.0 s, howxmaq0gf x;;)x far do you travel during this inattentive period?

  If you run a complete loop around an outdos)l1)ipgo;ef d-12+h vrpr weor track (400 m), in 100 s, your average ver o i1vgh2-rp);wdpls +1 e)felocity is

  A polar bear starts at the North Pole. It travels9v qv7q f+i8pb6 oxez5z4pdm0 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. Wha9zv 0oqfi4+vq76bz xedp p5 m8t was the bear's average speed?

  A polar bear starts at the North Pole. It travels 1.0 km sout0a orq3s 9 o;kaifadmvd29 -6yh, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. This tra f;-a2 ysv oqm9kia3r6d0od9ip 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 milev72a)5m m*z 3 ghudkyrs. It then starts to snow and you slow to 35 mi/h. zr* ) gmh7a35kvm2yduYou 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 te)vt/ o oc0sb,he average speetbs ,/c)v0oeo d of the motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is h88o8od stgm 7ier avera moso 7gdti888ge speed for the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 25*w,ev- n /a9-aqy uxqj* 9gujg:kk+h b0 mi/h north for 750 miles. What is the augyxge ,9 ukjkw qajn*q h/+-b-*9:v average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 100 m) for ( +sh9db5 , (hahtnjumteam 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 i(,hnut5sbhd m+ hja9 (s 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 ge (7ui8 q+ ii,jzh.thi;j sq.after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's decelerai+qi.e qi(7,h.zh8; jsgj utition while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average uj8xcv 6p.+-bpy mc9 arate of 8 b9+-ympaxjv6 ccu.p$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate of 9c-dpwsa 72 2 lx8magk$2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest and accelera xvl su8,q0l4ctes 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 spe nld/.fwki;w .:wnx7g ef) 5vheds up with a constant acceleration of wh5 ) gf;nd/w.:i7klvfnew x.$2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 m/s expei+ ziic )-6(r puu+rpqriences a constant acceleration of ucprr6ipq)i+z + - u(i$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontarmfk)-f sn- veaxudewb7 2055 lly to the right (+x direction) with a speed of 500 m/s stbsxr-fmfkvd 07-5n w 2eeua) 5rikes a sandbag and penetrates a distance of 10.0 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is l 23ubx8 c8zqvpaunched from a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catappz8q3 c 8vbxu2ult, and this requires 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest moves wp1tu1a e:dxhp g:lkqe81xz 08ith 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/a ,n o6h 227bpf6w*1ul;grg nyxtd vn to 80 m/s in a distance of 200 m. What is its average acceley 7tg nr 2vnp2dnubhlogf6w /6x,*a;1ration?

  An object starts from rest and undergoes unifow98rvj1vbpzz(ay5lxtdr4 -wtdu +q s 0o./4mrm acceleration. During the first second it travels 5.0 m. How fdz./ w(b1 zqtx -9ypv8r0uv od+4jwm4ts 5arl ar will it travel during the third second?

  An object is moving in a straight line with constant accele*z+n;nfgp. v, 3z *cw7;mpcbx /vvt j j7zpwz5ration. Initially it is traveling a ;nvzm;t3z w5pz,.czpf +xj*vn7 7vbw/gjcp*t 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 unif6+b9b aqcto/ nn4 sy;j+ewcp+ ormly 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 roa j)t+ncx7;wb g k4e5.dp6ebm-on3 yh id can decelerate 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 grubx87 y a nwuz3s lhnfc;,+.ton)-f)geen, a car that has been waiting at the intersection sug ,)ny c-fuo n);w 3hnzfb+a.tx 8ls7tarts 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 thenguzk mnfq-pwj -6*)w +q15qy surface of planet X where the accelerationk )qj6-pw5z yquw+q n*g1f-m n 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 yia/f gjc+z7t*k6 b*2hugch k1d4) tkspeed of 12 m/s on the surface of planet X where thj71hfyuhb dc2ca* 6t/ g tk)*z +gk4ike acceleration 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 sau9 0viig :g+rurface of planet X whei riavgg:+09u re 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 zegpol +o* vsds 5c;78the surface of planet X where the acceleration due to gravity issl+d o ;e5zcv7gs 8*op $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually greatkdke1v z)x1 7aer than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the ruler to fall before you catca7 ekk1z)dvx 1h it?

  A ball is thrown upward95yqeydb cb-; at a velocity of 19.6 m/s. What is its velocity after 3.bbd59yy-q c;e00 s?

  A bullet shot straight up returns to its mb 2l gks/i:2d-26wts otdat; starting point in 10 s. What is the initial speed i b2s-/ts mk2law2:;t6dod tg of the bullet?

  A ball is thrown straight up with a speed of 36.0 m/s. zji zieq e2t3.ol+eiou -1s) 0 How long does it take to return to itolqs.ie0i -+e2) euit1ozj z3s starting point?

  A ball is thrown downward from th4r;rbtlb 0 vy6k5sytt 2 h:6yl+6nxs pe top of a building with an initial speed of 25 m/s. It strikes the ground after 2tp6:bby;sh6r6xlr 0l sv+ky 4nt25y t.0 s. How high is the building?

  A ball is thrown straivph-b* yo 2f1w b;uv.vght up with a speed of 30 m/s. (only fill in numerical value in yv1.2* vh vbwou p-fb;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 theng71;*6ffd j0h-mv5 ieq4izl dp:g ve air with a speed of 30.0 m/s. (only fill in numerical valu1qpv d 7f6i4he-vd:* mgfnejz0il;5ge 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 at t = 19fw)h)0 jk0d v35kto+k hvhq;f. yk zh.0 s?

  In Fig. 2-1, what is the velocity at t = 0v3j1:tuj+iot h3sfsu5yr0 f2.5 s?

  In Fig. 2-1, what is the velocity at t = b v2 0bxyvc+7j r g80)ppn)lsg4.0 s?

  In Fig. 2-1, what is the velock 7zbzmym g4ai78dl99ity at t = 5.5 s?

  In Fig. 2-1, what is the8vu-,ed+vd9 bw58q q ji b3b8d 5nlktb average velocity from 0 to 4.0 s?

  In Fig. 2-1, what is 7 c-+rmkk:n+hw3w hyrthe average velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration at 1.0 b2 rz 6,qv,/z8aj b6f0hhu imxj vy61ts?

  In Fig. 2-2, what is the acceleration at .dj6o3:o6+js vo1a (svenebm 3.0 s?

  In Fig. 2-2, what is the average acceleration :14,c3 npxi lcukn ia8from 0 to 5.0 s?

  In Fig. 2-2, what is the 9y7/0 d8zxdt 3mli gqvaverage acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the dispmnhg7. t, qi0s(kjm2m lacement from 0 to 8.0 s?