Suppose that an object:cz5 w se,/irb travels from one point in space to another. Make a comparison between the displacement and the dizberw,5:s ic/stance traveled.

  When is the average velocity of an object equal to thejzdz :u0 -4ckt instantaneous velocity?

  A new car manufacturer advertises that their t:sut: y enrh /b5a/9qkb;h e)car can go "from zero to sixty in 8 s". This is5)hs/h/abbe9try :: ; keuntq a description of

  An object moving in the +x axis experience+bc qpg1.7kqu s an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the6z- em e o fq /kq59nxk+qfx8ul6f3mb3 East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concer6k5/x 3f6nu xmmo9-qzefe38 + kqflb qning its acceleration.

  Suppose that a car traveling to the West (-x direction) begi+ups0e (01ssh ld8 pwxns to slow down as it approaches a trsd 08( pusp+ 1xe0lshwaffic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a1le1prp ow* 0b constant velocity. Make a statement con101 w l*beprpocerning its acceleration.

  If the velocity of an object is zero, does it mean that the ac;hv(+ul (qhwy celeration is zero? Support your answe l yh;uwv+q(h(r with an example.

  Can an object's velocity change direction when its acceleration tw:y/ +rz,m bi5y7bz.j8edjkis constant? Support your an7z8rm,jbt+ /k: zje ywd .by5iswer with an example.

  Suppose that an object is moving with constant acceleration. Make a sta8a97)38n fjlom tzeqltement concerning its motion wm3e7zo8l)afq8 l 9jntith respect to time.

  Can an object have increasing speed while its accelerationpu8c qs n*,xk3 is decreasing? Support your answeqc8kun p x*3s,r with an example.

  Suppose a can, after an initial f .mxfz,pz5z w2l8mfr z,8h:skick, moves up along a smooth hill of ice. Make a statement concerning its acc 8w:h,pm.zzzmfl82xs ,5rzffeleration.

  Under what condition is average velocity equal v n( qd*c v.hkh.-ye,bto the average of the object's initivkqh dc,b.*neh.y ( -val and final velocity?

  Objects A and B both start at rest. They both accelerate at the same raten;-izb6*hm/a okg k o /ims,:i. However, object A accelerates for twice t:- zs*ia/nh m kmoi6kob;/ ,ighe 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 accell;5l:h ynv rm8h0:et7fiz/vgerate 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 thatnfe y7 0hi/t:v; lr5:lh8gvmz of object B?

  When an object is released from rest and falls in td ah5b(zt 8,g86i9r ojsy3t vnhe absence of friction, which of the following is true concerning its motionn9g (r,56vha jtd b8o i8tzys3?

  When an object is released from rest and falls in the absence of friction, whic2jvzsr xeb:y kv4iqq2c0;. *gy w0-jch of the following is true concerning its00jq i;-yc.bz4 2x *s vcrgq: j2ewyvk motion?

  Suppose a ball is thrown straight up. Make a statement about the velocity a 8g- yt-1yg0ow 6q )pgpycld)ind the acceleration when the ball reaches the highest po wyglygcti-8d)p10 pgoy q- 6)int.

  Suppose a ball is thrown straight up. )+u 5ia*zlou ( uwn12o.st*yovyg xj+What is its acceleration just before it reaches its o1si t.ux(oyu 2)zo+5jn l+ *wguv* ayhighest point?

  Suppose a ball is thrown straight up, reaches a maximum height, th1bn xzlv5ty ;:p +5f0dt3p+l7p hxzi yen falls to its initial height. Make a statement about pn53pzdylxv :p5h ; txti+f +zlby071the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight.pu 7 5w8txnkwtevgk j((c8t 8 up, reaches a maximum height, then falls to its initial height. Make a statement about t7gp8wt5u(jk(wn.t kcve8 t8 x he direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown dxs*8,v xy.wi fq*w:qdownward in the absence of air resistance. Make a statement concerni ixydf w x,s:qw*8*v.qng its acceleration.

  Suppose a skydiver jumps from a high-flying planez6fi lw7ic 0d eb5w,::bs4crk . What is her acceleration when she she reaches terminal velocity0s zk7c, 46:cbii:refl b5wdw?

  A ball is thrown vertically upward with a spe a ea a6dc:zz;i 0qyn1kml93k7ed v. An identical second ball is thrown upward with a speed 2v (twice as f079kzqc6nkm1z aydai ;l: 3ea ast). 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. mvrv jz5r0+8v One second later, ball B is dropped from the same building. As time p 85vzj0r mrvv+rogresses, the distance between them

  Ball A is dropped from the tufo (z-b+i gpkzt 1:y9op of a building. One second later, ball B is dropped from g:zb1(zi9 k pyt- o+ufthe same building. As time progresses, the difference in their speeds

  Two objects are thrown from the cwka6c5q /+ z,pkaga i1d4ndm:oic 0)top of a tall building. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit the st5q+c di ka/agz kc)d1oamicw0,6 : np4reet?

  A brick is dropped from the top of a building. A second brick is thrown straightb sm(30xv/oqv down from the same building. They are released at the same time/qsv 3vox0 mb(. Neglect air resistance. Compare the accelerations of the two bricks.

  An object is moving with constant non-zero velocity in the +x 2fte zwh3 j(s3b4yqt5axis. The position versus time graph of this objectt f3(2e3 h54twsjzbq y is

  An object is moving with constant non-zero acceleration in the +x axis. The pos aty28f+7 k qp3ufmi9f5 yc1eaition versus time graph of this object isc397maqyi yf 25pf k+tau8ef1

  An object is moving with constant non-zero velocity in the +x a8ji gd/0vnhu +xis. The velocity vdin+hug /j80versus time graph of this object is

  An object is moving with constant non-zero acceleration in the +x axis.bn: q.fpdm7ythor/g( h n.)g + The velocity versus time qyh.phgf ronm.n/ gt:d(b)7+ graph of this object is

  The slope of a position versu -x pw)tqoasvsw(l16a5(4d jns time graph gives

  The slope of a velocity versus timvzsmf q t9**9ue graph gives

  The area under a curve in an acceled(o vygz+bro+lp 0czj(8 2u3)s m 2zlyration versus time graph gives

  The area under a curve zdf/0)0pzg v:xg 8a ccin a velocity versus time graph gives

  If the position versus time graph of an object is a+k l:sl69owmx horizontal line, the object imsk:lo9 lx+6ws

  If the position versus time graph of an object is a vertical line, tcfb q*) drv702zlq wp,4sdc,rhe object is)rr4 vzp,,dc* 2q sdfcqw7l b0

  If the velocity versus time graph of ai0a-3..jdppmnn9n + w x. rroyn object is a horizontal line, the object xnr p w0p+n ond-ij 39.a..myris

  If the velocity versus time graph of an object is a straight line making an 0a o)myn0bm /iangle of 30 degrees mioa0m b)n/y0 with the time axis, the object is

  An object moves 15.0 m north and then 11.0 4w:,fhh m1dhf r bhx68m south. Find both the distance traveled and the magnitude of the displacement vec frhh:hbhf4x 1w,8md6tor.

  A boat can move at 30 km/h in still water. How long ac-4kmy( jhe9 will it take to move 12 km upstream in j4c9 eym-akh(a river flowing 6.0 km/h?

  55 mi/h is how many m/ 2,9x1,ta*xp:zpj sjdalte p7s? (1 mi = 1609 m)

  What must be your av/q wx6kmyxl.jsw 1+) rerage speed in order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 4 il9tdz61s8 gr2.0 km) in 2 hours and 57 min. What is the average speed of the runner in9dzi8t l6 s1rg m/s?

  A car travels 90 km/h. How long doesj 8iaekb/+d7w2ncv3a i9b,t.njyz;o it take for it to travel 400 km?

  A ly (light year) is the distance that light travels i+7bnwm sq- pkui ci7jc2he*( 5n one year. The speed of light is 3.00 x 108 m/s. How many miles are there in a b(-n7hkji es ipq+2u57* mw ccly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road and you look to the sideq kvmrq/p1l(6n1;ijv for 4.0 s, how far do you travel during thi1 ;v(i/qr l npqvm16kjs inattentive period?

  If you run a complet;g- yzfs - 16oybbj1zw+hxh4qe loop around an outdoor track (400 m), in 100 s, your average vehy--w41jh xzqzsg6b b f+1oy;locity is

  A polar bear starts at the North Pole. It travels 1.0 km south, thhw60t *xs 0+c:;f 2vh fpa, ugsgny:moen 1.0 km east, t0ugps,:n:tf2v*h+;gy hwoam s06 xfchen 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 speed?

  A polar bear starts at the Nord;* +n29 jv vqdb29ol e7wxfukth Pole. 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 tripo2*d9fnb7+ v; jl2dk9x q ewvu takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from school at 55 mi/h for 110o, ut 8kmrva i-xf4r01 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is yaxr,u-rv1f t 0io8m4 kour hometown from school?

  A motorist travels 160 km at 80 km/h and 160 km a q5aa dd5.x/1sgvv(1qd af lp9t 100 km/h. What is the average speed ofv5vlap 11 sfgdq59(d./qaxa d the motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at(9wx8r stml*tr k7p)r nt8lh* 100 km/h. What is her average speed for thestr7m(k)wl89tt * p n8hrxr l* trip?

  An airplane travels at 300 mi/h south for 2.dmgi78bn 4 ar 8*xjag,tj;tght2 8 )qz00 h and then at 250 mi/h north for 750 miles. W bma8aqiztg8xg8)* jtr7 d4n hj;t ,2ghat is the average speed for the trip?

  In a 400-m relay race the anchormb7 ax j,zadz80yk1to- an (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 caxtk 107aoz-,j 8zaydbn 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 after 10 *,s o*ythbx c0s-l,h0kfq q+t/gt )tqs. The car's average velocity duringh/ ,q-l q,t)+cy0ttqofsth*bg* sx k0 deceleration was 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, am3o4+(l3tbka qg0 s dht the average rate of +bslm3 3oqathd 4(0kg $15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the/bw5r kb. spua1v+n*g 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 accelerr 5v:bscf;m+ c3 ;qfsxates 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 constan4d8 1kbp d8ncft acceleration okbc84 1ndp8 fdf $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5. u3;x b;+6 mgym.ageyc0 m/s experiences a constant acceleration of b+ay.;eyg; 6uxcmmg3$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the rx6hfhn+f0 g/l ight (+x direction) with a speed of 500 m/s st fhlxg0fh+n6/ rikes 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 launched from a catapulbrr h/0ej) z xy,iscykd i5 hn5:(5-bat on an aircraft carrier. It reaches a speed of 42s,i (e0-r5r:x i /hy bbacn5hkdz)y5j 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 with constafrk1gaa.u(w+r - ets* g15wxhj1+t dhnt 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 200im6fiq( 86xj+ff pp j2 m. What is its average acceleratiopq f8+6xjjm62if f( pin?

  An object starts from rest and undergoe8y felm2(ixopizng+qf x:: 74s uniform acceleration. During the first second it travels 5.0 m. How far will it travel during x o:7( f+8fnygi4: exzq2ipm lthe third second?

  An object is moving in a straight line with consu nr 14h7vzifqe(pj,wf3x+h: tant acceleration. Initially it is traveling at 16 m/s. 31h,ru7 h 4(f +pfx: wzjnqvie Three seconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from restn-*7xer2e cz xf*i vvsd:e02n 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 ro60mfe/qz kk jri6cb 7wrm 8a-/ad 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 lixc;u. :c qs l18 zkdm28h(sjjlght turns green, a car that has been waiting at the intersection starm: 8lc 2j1 x;dshqlk( .jc8uszts 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 ch3v:g ay52xq12 m/s on the surface of planet X where the acceleratiac y253q v:gxhon 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 the2c bd*. 1b9n:jw5uxxo4hh gvhfy q19r surface of planet X where the acvdn bjh1x9.h52 c:b rqyw *ux4g19hfoceleration 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 surface of planet; vbdqo)5fm, z X where thf; ),zb5omdvqe 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 surfawcqbj,4:fgk r v:,f 3rce of planet X where the acceleration gk, wr::cbv4jqf f,r3 due to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is u8hk1p;bidu d+khj8 z( sually 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 ruler to 1(8ib8dd u;zh hpjkk+fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. What is its velox6-*kv bg6 zzccity after 3.00 s?x z b*kv-c66gz

  A bullet shot straight up ret4;bbt vr-( ;oicjdc/sis 4-of urns to its starting point in 10 s. What is the initsc o (fdr;b;j cso/-i4tb4-v iial speed of the bullet?

  A ball is thrown straight up with a speed of 36.0 m/s. How lonbh3 zvf3 w5(vvg does it take to return to its starting(v5vvzw 3f 3hb point?

  A ball is thrown downwykm m lmh. 0jh(-+ol5yard from the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How high is the buildl kho0 mhmj(my5y-l.+ing?

  A ball is thrown straight up with a speed of 30 m/s. (only fill i-qqf9c(yd r-xd6p-. cpo ;b eun numerical valu -9yerdoqf.6xbc p-d(q - ucp;e in 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 speedk/qe qjy10 vl7pm 0i(iv qz,v5 of 30.0 m/s. (only fill in numerical value in the blank)5ql0 kz(mqpve/q,7 v ivj0iy1
(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 /k x w+yn9rhmuu90b q:n0q qd2the velocity at t = 1.0 s?

  In Fig. 2-1, what is the velocity at t = 2 l1jy+zi,o;t lc*mi2p .5 s?

  In Fig. 2-1, what is: vlx cpul4z744fwm re)b(f,y the velocity at t = 4.0 s?

  In Fig. 2-1, what is th4oo1 +hfbb+zwe velocity at t = 5.5 s?

  In Fig. 2-1, what is the average veloci,lo ulb aib632ty from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 to 6.0 s :20p96xjw b*uibzwos?

  In Fig. 2-2, what is the acceleration at 1.qigsr6;04(5je ly xhs 0 s?

  In Fig. 2-2, what is the acceleration atrfe;rf28 :zohom 5a 2t 3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 5.0 sa du(- vn8m7pt-ft j;7cnvb u*?

  In Fig. 2-2, what is the average m1dl6pb/s7sy acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacement brn.:qa 6: uyic 3efs6from 0 to 8.0 s?