Suppose that an object travel:zl,dx+g 0xl obi(ao 2j8dzmg; wur47 s from one point in space to another. Make a comparison between the displacem2;dx z4uda8li7 ( gxmljo g: w+z,orb0ent and the distance traveled.

  When is the average velocity of an object equal tj3eb 4co9.d -/ 0x+qulfa)qvh.fnlebip 5z 7yo the instantaneous velocity?

  A new car manufacturer advertises that their car can go "from zero 0 6q5 x*a:tqmf hnyq,(.qdt pe9cb/wmto sixty in 8 s". This is a descrw (q6 qd5*.hpm a90:qnft mx/tebcy q,iption of

  An object moving in the +x axis experief)yi,qw6338i qprep fnces an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East vkstrwa s5/+dyi.ci,x6u5m0q88ll o(+x direction) begins to slow down as it approaches a traffic light. Make a statement c6w 5i0tmly ,cu/a i58 o lksx.8rsdvq+oncerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to sw a0*0lqn yv0mlow down as it approaches a traffic light. Mak qw lm*v000yane a statement concerning its acceleration.

  Suppose that an objectt8 i-x4c not/l is moving with a constant velocity. Make a statement concerning itxt -4i8 cn/tols acceleration.

  If the velocity of an object is zero, does it mean that the acr-li 5 w8npar8celeration is zero? Supp5 8lpirnawr8- ort your answer with an example.

  Can an object's velo chyg t)u5zhmn132pckqz)sr6 zy:u11city change direction when its acceleration is constant? Support your answer with a13yt) :6hgsk 5n1u 1 hzrzyu2)qcpmc zn example.

  Suppose that an object is moving with constant accelehfr6 )b hfd-:cration. Make a statement concerning i-hfd6:rcfb) h ts motion with respect to time.

  Can an object have increasing speed while its acceleration is dea214mqkvd;0p1qe igu zgrk)p4w x4 3k creasing? Support your answer with an example.g r4wg1pp kimue0k4a2qxv4 zk)13dq;

  Suppose a can, after an initial kick, moves up along a smooth hill ofkx4nwg cx s*9( ice. Make a statement concerning its accelerncwsx g(k9*x 4ation.

  Under what condition is average velocity 2 (fwnotnrii7 *bn* n/equal to the average of the object's ininbnr t/(*w 7*2ofnniitial and final velocity?

  Objects A and B both start at rest. They both accelerate at the same rate. How*o,o0o-xn v(s 0 xc qv*way*phever, object A accelerates for twice0qa ox n* coh*s0xv*y( pwov,- 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 rnianecd.5 c n+eb.: /q41n kleest. They both accelerate at the same rate. However, object A accelerates for twice the time as objectq 4/kn5e a enncnbd.+:i1ecl. B. What is the distance traveled by object A compared to that of object B?

  When an object is released from rest and falls in the absennx(y5v+* y q +tke/ehdce of friction, which of the following is true concerningqenky e(h 5+ ty/+vx*d its motion?

  When an object is released from rest and falls in the abszqc gdzawrxg7p1 g2 . vy3d5x,*nf; k:ence of friction, which of the following is true concerning its moti: d,vn7 .xx f wk521zqzg*d 3yg;agcpron?

  Suppose a ball is thr4,e-2hccgb, n lh :n;hlaas 2pown straight up. Make a statement about the velocity and the acceleration when the ball reaches thelcha-,4 bhs2l ;a:gcn h, pen2 highest point.

  Suppose a ball is thrown straight up. What is its accelerato pwd .+ly1.fqos:hm zz91lc 9l.on1ayky )j4ion just before it reaches itlq.shk4n+cazow.:yd ) 1y91f1l .zjpyomol9s highest point?

  Suppose a ball is thrown straight up,w3pgop9 n7n k7 reaches a maximum height, then falls to its initial height. Make a statew3 7gnp9o pnk7ment about the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum height, then falls n*.2ad3cttpre 1 4lpr to its initial height. Make a statement abolptn e*32drc1 .rt4 aput the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in the absence of air resistanxi iyte7 lc17qy7a(,y:rymy. d3 ;pmyghb/v6ce. Make a statement conce 7ty3/:ve.,yi;h6g7y7ypb yrda xli(1 cmmyq rning its acceleration.

  Suppose a skydiver jumps from a high-flying plane. What is her acceleration wtbvvs4yz 5ma *u ,rw(e;pe: /2p*wys yhen sheuvb4:y5ew /*2e (p, t assp yzrw*v;my she reaches terminal velocity?

  A ball is thrown vertically upward with a speed v. An identisk w 7igavn)v84fils38ku:v , cal 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 fs 8ui)3k:7vn8,lgvv4ak s iwthat of the first ball? (How many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top o.ndgm kizc8)7f a building. One second later, ball B is dropp)n ckigdzm.87 ed from the same building. As time progresses, the distance between them

  Ball A is dropped from theexg/ i:ytht9r8 x-,lug(f 2b b top of a building. One second later, ball B is dropped from the same building. As time progresstgy,x f:i ug8l -/9 berx2(bthes, the difference in their speeds

  Two objects are thrown from the topp9ode0/xh( 3io+p ;(r2l rj yxp8sn wu of a tall building. One is thrown up, and the other is thrown down, both with the same init(nx9y 3 esrooh0+8i2w ;purppx(l j/dial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of ba e.+l-/3 ,ozwbxy xza building. A second brick is thrown straight down from the same building. They are released at the same time. Neglect air resistance. Compare the accelerations of t+ e bz-3lyxxa b./z,wohe two bricks.

  An object is moving with constant non-zero velocity in theffxv paq4wm5/ ,:,/rfn vw/kf +x axis. The position versus time graph of this obffwvx/f:5w/n/mq rav4 kp,,f ject is

  An object is moving with constant non-zero acceleration in the +x axocz d o2f5dew.x,wju9t (8g0mis. The position versus time graph of this25o8zt w9j cdued, g wm0of.x( object is

  An object is moving with constant non-zero velocity in the +c/ *1nzavnl 5t,. opqr dkt+ab87t5slx axis. The velocity versus a q+p7 .z1l ,cs /td8*ntvrta knlb55otime graph of this object is

  An object is moving with cons1y9k;zvdtsh ou2yb- 8tant non-zero acceleration in the +x axis. The vel8z9;ovduy sh k tb-2y1ocity versus time graph of this object is

  The slope of a position versus time g50bz+r*eef.js v-ocfraph gives

  The slope of a velocity versus time graph givesliwno0eu9 -i 1orr. 6g

  The area under a curve in an accelerrg l2fewv,2p0, qf;4mdbhi0wq m( 3rpation versus time graph gives

  The area under a curve in a velocity versus time gra4qka)93 pzp 3ydt* kij3q lr)eph gives

  If the position versus time graph of amzb l7i9 73g0nabk6qx a6-hvln object is a horizontal line, the object isg aa7v97n-0 6z6kb3xblimq l h

  If the position versus timeo2d.z 72suk 82ptjbj -mymq4jteu1. jp ze +a7 graph of an object is a vertical line, the object isb2u78ozk+tjqjs umej22jp amd t 7..4y zpe-1

  If the velocity versus time graph of an,c:7dr 0txi nq object is a horizontal line, the object 7ixd,qcn0:r t is

  If the velocity versus time graph of an object is a straight line making anyuh7qt c+haek;)i 4nxc;v8 k, angle of 30 degrees with 7hukky8e;)tinq4 ,;c x+ cv hathe time axis, the object is

  An object moves 15.0 9a 6p2 cdo4:a gs.tw(jizfgk 8m north and then 11.0 m south. Find both the distance traveled and the magnitude of the displacement vj2. o fw6gc k:stizgd(4 paa98ector.

  A boat can move at 30 km/h in still water. How long will it take to moq.boyr4wzpx/fq,)64 ,0c cp enc x8pu-p m0g fve 12 km upstream in a river flowing 6.0 - pz08fernoc qp,.cxy m w6x pf0,/ugbqpc4)4 km/h?

  55 mi/h is how many m/-h 3rz1ah6qj* qghn m/s? (1 mi = 1609 m)

  What must be your average speed in o5k.p l*0cn;hlxcdc r+nst8w /y26hk k rder to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0glk,b+wwn 44h;nb s z4 km) in 2 hours and 57 min. What is the ave44nwz;k4sbl,hgn b w +rage speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for h0mkpsr3 8xy m1olt.y 3o4a 9wit to travel 400 km?

  A ly (light year) is the distance th0 g4e 1 qkh9hlztd/nml ry:pb e3+a7g9xw/q6fat light travels in one year. The speed of light is 3.00 x 108 m/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 3 9aryhnzt3kp7b4xeh01g 9+wql/ef6 g/:qdlm 65 d.)

  If you are driving 72 km/h alo:; go:ufj p*e8 jxbhz1ng a straight road and you look to the side for 4.0 s, how :8upz bef;h:og*1jjx far do you travel during this inattentive period?

  If you run a complete loop 3a sry un3wy1j gu)92u58xpukaround an outdoor track (400 m), in 100 s, your average velops3wyujyr)nu51x 8 u3 g9a u2kcity is

  A polar bear starts at the North Pole. :jk- n y:tf69 f7hdojdIt travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return t:nh69-dk7t:y f djfo jo 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 1.0 km soutxkiw(yj ;v8qze/ .ba4 z tg-(oh, then 1.0 km east, then 1.0 kb4a(yi.zqo xzwje;k g/v t(-8 m north, then 1.0 km west to return to its starting point. This trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend f t/zpft *l1y1et+ j3vhrom school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. Ye1ttp1 h /zj 3vy+ltf*ou 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 16hv ., nzfcxl)yi1)e 5k0 km at 100 km/h. What is the average speed of the motorist i)5 zvnh).1f ylcxe,k for this trip?

  A motorist travels fn dl1j/j rv)z,p(8qag+64 tha*wal yaor 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is her average sp4y )j aaavlj+hntlwz,p6 q*g/ 8d1r(aeed for the trip?

  An airplane travels at 300 mar4gl (u lg f51dm)j(:d7hkphi/h south for 2.00 h and then at 250 mi/h north for 750 miles. What is the average speed flualm(1( r k hgghd:pf547) djor the trip?

  In a 400-m relay race the and o/b,3hyxvz e 8qf;(w9yt-hnr5t9uo chorman (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 have when the teamf x,zyh38wut ob 5t e/h9-n; q9r(oydv 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. The cdof uo,u /2 1vwti0y2bar's average velocity during deceleration was 50 km/h. Whatft2vu w2y0,i o b1ud/o was the car's deceleration while slowing down?

  An airplane increases 5 z6:xiwq v5vsits speed from 100 m/s to 160 m/s, at the average rate of :65w vsvxzq5 i$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h ac;aoff a fsnh(z;m5q;pn v+h2w-k4ap8 celerates 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,obp68 4 w4hwpkxkfq ) and 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 wgf3/s,y rqsoh7nf3+lith a constant acceleration of nysslro3f7,qg h3f/+ $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocir,l/ un:g.q z ouxw1qyci**:xty of 5.0 m/s experiences a constant acceleration of,qozw * xn* 1qul:r:ci/uxy.g $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the ril-j-qeu ah-a8j3j j0gght (+x direction) with a speed of 500 m/s strikes a sandbag and penet-la8hju-0qj3ej -j ga rates 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 catapult on an aircraft carrier. Ih/mcitgy2 t;8l* r*qg0uw lo:t reaches a speed of 42yw guto02;g*tqrm lc/il8* :h 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 consa+iz h0jp +t0wtant 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 me)o57qixpg qnjfa ,zl1(0+njcm(rkr i)+ 1 ck/s to 80 m/s in a distance of 200 m. What is its average acceleokn e0l+jqn1j,fx g ii(c51(z7) c)qmpr+kraration?

  An object starts from rest and undergoes uokhv1m3:n6la niform acceleration. During the first second i1nmk:v3 h6ola t travels 5.0 m. How far will it travel during the third second?

  An object is moving in a straigh)dy zj1 ,jq.4po8od ridla.6vt line with constant acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. . dq18jvpjr)o.4 ,ia ld6doyz How far does it move during this time?

  A car starts from rest and accelera/q.owi*bm4x i tes 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 o*5n/b *olih nan a dry road 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 green, a car that has pl(;-* r(o1ki ahl.dn:sd zcybeen waiting at the intersection starts ahead with a constant acceleration of 1:a;ohyd- (*cpllkr (snzdi.$2.00 \; m/s^2$. 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 surface ofpdj .9fz* 6dgv planet X where the acceleration due to gravg6j.p9dv*df z ity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a speed of3p.ka*lmr o3r 12 m/s on the surface of planet X where the accelekmrrl.*o33a pration 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 surfj; 0(j*o;ebibgeaxc ;ace of planet X where the accelerajb e;i0o agj (;e*;cbxtion 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 the0 evn a/3g1wxo surface of planet X where the gvwo3 n/0a1ex 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 friend holds a or k*cq oj a *s1irp713gsda8.ruler between your fingers and releases it without warning, how far can you expect the ruler1koac**s1.ia7sdrqgjp8 o r 3 to fall before you catch it?

  A ball is thrown upward at a velocitys 81 :8vn6euihei c y 7;ju/xnmtrg7)v of 19.6 m/s. What is its velocity after 3.00 s8/)c ex ihrntjumyiuv :gn1; 7 8vse76?

  A bullet shot straight up returns to its starting point in apa3 hg5bte3 /10 s. What is the initial speea 5agtp/h3e3b d of the bullet?

  A ball is thrown straight up with a speed of 36.pn(ul7e6q ( ee0 m/s. How long does it take to return to leepn 7 6eq(u(its starting point?

  A ball is thrown downward from the top of a building with an initial s2w )8imc a-cgs *ttc,mpeed of 25 m/s. It strikesw*a-gci 8c,mt) tms2c 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 ,uxdbr, 8jml 6fill in numerical value in the bj,rm 6 ,ud8blxlanks)
(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 thega73fqo5ip oo1z 7:uc air with a speed of 30.0 m/s. (only fill in numerical value io oapzq7:c3 u 517gofin 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 v)/;z (fb9hkipotn*tso -s) yv ukc w77elocity at t = 1.0 s?

  In Fig. 2-1, what is the velocity aimrc;+wi 2p7q(*vtk*wtz+t at t = 2.5 s?

  In Fig. 2-1, what is t*9l5h 98qwym3yppv +q)qvxbh he velocity at t = 4.0 s?

  In Fig. 2-1, what is the velocity at r7lbgn s(/+3*fp4t eq(srtx ut = 5.5 s?

  In Fig. 2-1, what is the average velocity from 0 to 4.0 shzw5y50)dofaiys9 s l4,64f9 idn zpd?

  In Fig. 2-1, what is the average verx-a:1 fua/ + tfj(nm2pz:z)umaboj. locity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration aqa v2pw9 etf6s-0)krit 1.0 s?

  In Fig. 2-2, what is the accelerav-gqr-7x)vehu,q o:v tion at 3.0 s?

  In Fig. 2-2, what is theqllr m cl0l -y6,er(7e average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration from 0 toc*u 5xcq rrbx*+ , nq.e:vobr1 8.0 s?

  In Fig. 2-2, what is the displacement)dsxq e4j q ntz5/2r5m from 0 to 8.0 s?