Suppose that an object travels from one point in space to another. ub7f18nodub6 b x/* joxqt e;2 Make a compar bxx7nu 6dfu/bo1et8 jqo;*b2ison between the displacement and the distance traveled.

  When is the average velocity of an object equal to the instantaneous veloci,j4zey 13,xr -t9wkckeddi d*ty?

  A new car manufacturer advertises that their car can go "from zq8* lfdnq ja(d92av72+y;u q :mupzvdero to sixty in 8 s". This is a d+u dqa a(nqv82qzvu:mdpl; 9*f y2dj 7escription of

  An object moving in the +x axis experiences an acceleratio t(:fe 9a:t 7u3d8obbzpnlc2 on of $2.0m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begins to slow doo.wh)(t 8 6e,4gjuz7co oa;sqoe- umi wn as it approaches a traffic light. Make a statement concerning is (t;78uo.-ea4gmoeo wch,zu iqo j6 )ts acceleration.

  Suppose that a car trav3y3*n6 8y;vw7p tkidhm tr/n.lm8b mkeling to the West (-x direction) begins to slow down as it approaches a traffic light. Makmdbimrh.y/3w* knp8 t n7;l tk mvy863e a statement concerning its acceleration.

  Suppose that an object is moving with a constant vd* y.ge.kfjb/ elocity. Make a statement concerning its accelerg/d.f y*.bjek ation.

  If the velocity of an object is r3 emtx (4q) t:h+vtegzero, does it mean that the acceleration is zero? Support your answer with an exae )t+4ght mtvx3re:(qmple.

  Can an object's velocit5bf a+w*cfu6qhn lz.vf 9*r beyh0.2uy change direction when its acceleration is constant? Support your answer with+.f 20fb 5*9 hqurcufwzny*ah.bv 6el an example.

  Suppose that an objecn 9b0cu; t5 5bzgh0efzt is moving with constant acceleration. Make a statement concerningb05gnz9zbe ch t; 05uf its motion with respect to time.

  Can an object have i(a (+qngpo0we ncreasing speed while its acceleration is decreasing? Support your answer with an e e((og+pw0qn axample.

  Suppose a can, after an initial kick, moves up aloc5ab7;nc ;daing a smooth hill of ice. Make a statement concerning its accele75 a ;bcc;dinaration.

  Under what condition is average veloc)rk i(+it0vfzox ,nz hammn ; ((;q9wdity equal to the average of the object's initial and final velqm,;+i(tr zwdv)z9ax (kfh 0( m ;oninocity?

  Objects A and B both start at rest. They both acvwr pm84zj k21celerate at the same rate. However, object A accelerates for twice the time as object B. What is the final speed owzm8vk 4 1jr2pf object A compared to that of object B?

  Objects A and B both start from rest. They bot7795o 5w w dxtm(llrtah 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 t7(5adr 9o 7 lw5tlxwmof object B?

  When an object is released from rest and falls iz3wqo k j3cfo39*8)cd5hptdon the absence of friction, which of the followindop dofh* 8q9ccw)5ko 3j3 zt3g is true concerning its motion?

  When an object is rely6 9wt,l5vsik )e1z zweased from rest and falls in the absence of friction, which of the fv,w lk) 96z5szeiyt w1ollowing is true concerning its motion?

  Suppose a ball is thrown y( fee*a t5)clstraight up. Make a statement about the velocity and the acceleration when tyee5*clf )t( ahe ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration16 pr.7rzaii-aj4vm t just before it reachert6 a.r p-7ima jv1iz4s its highest point?

  Suppose a ball is thrown straight up, reaches a maximum height, theeu1s5.t4u; 2desbsft n falls to its initial height. Make a statement about the direction of the velocity ans 21uf estsed4b5;.ut d acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum height, then falls to its+p7ihpsk-m q6k0j7zew 6 su 6q initial height. Make a statement about the direction of the velocity and hk ps6i7j6 speq6uw- z+7q 0kmacceleration as the ball is coming down.

  Suppose a ball is thrown downward in the ab5jp0mq* 51oyxxjr h,w sence of air resistance. Make a statement concerning its am hq1xr5 *yxwp,5joj0 cceleration.

  Suppose a skydiver jumps frqh,uj;r 7 ,.q+a *fhzndba 8iiom a high-flying plane. What is her acceleration when she s u,*df7an 8i;i.z,h+ b hjqqarhe reaches terminal velocity?

  A ball is thrown vertically upward with a speedf;x 6k jw8g3u2d rrgog2:s u5*byrz9te* e+te v. An identical second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of t +fro*g xd6;ee9:br*uezuj5gk t2yt 8 rwg 23she 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 w,o6hj7:jmb rwun4 3aof a building. One second later, ball B is dropped from the same building. As time prorm3 ,j4:b 6hw 7uwoanjgresses, the distance between them

  Ball A is dropped from the tk2nfi 84 j4y cwdvx0m(op of a building. One second later, ball B is dropped from the same building. As time progresses, the difference in their spej82ikcdf0 4m(4nyxvw eds

  Two objects are thrown from the top of a tall building. One is thrown up, and tklnxf;vc(q . nef9,;vhe o. ;c fkn,vl9evq(;xnfther is thrown down, both with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a building. A second b 5pil2ezr b*m6rick is thrown straight down from the 6ebi zml 2rp*5same 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 +x axis. The j kqacrzy /m21a zjabg, . 1ydf79i90/fmep 9qposition versus time graph of thisab0qi 1meqzy.gj/zym f f7/9,d9r ap1ac2 j9k object is

  An object is moving with co 58 kc .b7zsfv/y wfg8scewr t1 3b/gqq1gw5k7nstant non-zero acceleration in the +x axis. The position versus time graph of this objwq3fks/cbrsw1g 7g fv 8k z.1w7b8y5q5get/cect is

  An object is moving with constant s8p-,/gll bz7qkoyh86g36jene i +xp non-zero velocity in the +x axis. The velocity versus time grazehe6ji-l7 3 ,yo6/+l8skgp qxp8 gbnph of this object is

  An object is moving with constan(njzn ij)7np70yhnp 6t non-zero acceleration in the +x axis. The velocity versus time graph of this object )njz(7ip hynn6p0 n7j is

  The slope of a position versus time graph ghgw25q, j1isqm)zm27 ,vrg w pb x2ua-ives

  The slope of a velocit8p0lt eo38ekbdir x2/ ly7/ily versus time graph gives

  The area under a curve in an acceleration versus time graph gtn 0.50zgfz5z bmfdn u:2x1 rnives

  The area under a curve ino-jb9eg l qo56 a velocity versus time graph gives

  If the position versus time graph of an object is a 9y)25b;h uasb.j*6wqqlk x)pg k y1yehorizontal line, the object i)bs xkb.h915;lu2) e awyjk*q6pygy qs

  If the position versu k6j 1cuuwmhs,d:*,u os time graph of an object is a vertical line, the object is,cdkouu h*j u,6 m1w:s

  If the velocity versus time graph vyt2iwib 5q ;x2lzx z(u)d2n8u8fvg2 of an object is a horizontal line, the object i xfx) vg8tizn5 2iy;( d2vbz2w2uql8us

  If the velocity versus time graph of an object is a straight line making ano7gdpl) co 1/u+pwtt 1 angle of 30 degrees7gpt)l/pw+dut o1c1o with the time axis, the object is

  An object moves 15.0 m north antv. a--hmhv4qd then 11.0 m south. Find both the distance traveled and the magnitude of the displacemv-t4a -mhq h.vent vector.

  A boat can move at 30 km/h in still water. ;yid0ng,)duke vk1jufv 8: 1 oHow long will it take to move 12 km upstream in a river flowing 6.0 km/h1f0:n 1g dkvuv8; dujey) ,iko?

  55 mi/h is how many m/s? (1 mi = 1a c;:hn3tf 5pm609 m)

  What must be your average speed i hy9c -hhyg.jrwrm71,n order to travel 350 km in 5.15 h?

  A runner ran the marathon f: 1 xpu. y(r+kpe(e8psa7rgt (approximately 42.0 km) in 2 hours and 57 min. What is the average speedrgeu8(. te s1k rpx7pypfa: +( of the runner in m/s?

  A car travels 90 km/h. How lo3sa dc ex2/e.kng does it take for it to travel 400 km?

  A ly (light year) is the distance that light tr1u +maja8+y rfzslb-wci. ; 7n xtr+15yjsns6avels in one year. The speed of liz5i+j bf- s s+laa1rj wcy7x;m.y +1trsn6n8 ught is $3.00\times {10}^{8}m/s$. How many miles are there in a light year? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 kjla/9d z 7zj1mm/h along a straight road and you look to the side for 4.0 s, how far do you travel during jml 7zjd/9z 1athis inattentive period?

  If you run a complete loop around an outdoor track (400 m), in 10f8 n 91hd7quyw7,qhr t0 s, your average velocity t7, h71drf 9uhnqw8yqis

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 igdo. 0 gn9y3hydpw)h9 n+. yakm east, then 1.0 km north, then 1.0 km wes)y.w9hp. 3+iand hy0ggn9y o dt 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 travyk 0 /.uknm1eppa: dp+els 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 m+k .p kappn1edmu/:0y in. What was the bear's average velocity?

  You are driving home on a weekend fr6x0neh v-; tiyom school at 55 mi/h for 110 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 your hometown fet vnix;-6y h0rom school?

  A motorist travels 160 km at 80 km/3j-zri8agch , fvi*p/h and 160 km at 100 km/h. What is the average speed ofv-z*p r/aihf38,cj i g the motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h awgn+-wzy;y 9p; slep(ff9.e( qlg6ejnd 2.0 h at 100 km/h. What is her average speed for the trey9gs;f(j n+(lwpf;w9e p.zgy - lq6e ip?

  An airplane travels at 300 mi/h south for 2.00 h an-4:5)uu xrbff+-th4i j wv fuud then at 250 mi/h north for 750 miles. What is the average speed for th:u)4+r fux-iwt 5 jfuhu- 4vfbe trip?

  In a 400-m relay race the anchorman (the person wh6vgh7n h0f)i- +ctfl nd (zek5o runs the last 100 m) for team A can run 100 m in 9.8 s. His r- n7z +dtvnfgic ke)(hfl56 h0ival, 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 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 13 s. Tsrw5hzqc f:jw*w6 kz0*e 5 +d;xmy.b ghe car's average v 5bk szwhq xmy.wg+:z56*;fr* j0cwdeelocity during deceleration was 39 km/h. What was the car's deceleration while slowing down?

  An airplane increases its speed from 1rw75z9r xi hi+00 m/s to 160 m/s, at the average rate of xw7+5z ih9rir $15m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate o(vefdm9ak 4lf4jt(em)( hra: f $2.0m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest and accelerates at 6,tdfj)vqfte .55u hg $4.0m/s^2$ for 5.0 s, then maintain that velocity for 10 s, and then decelerates at the rate of $2.0m/s^2$ for 4.0 s. What is the final speed of the car?

  A car travels at 15 m/s for 10 s. It t7b us.c)e,*uoj /jmexhen speeds up with a constant acceleration of )7,c /buxju*oj emes.$2.0m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 m/s exper1p p ni:r2*kmxiences a constant acceleration of 1rnmp2ip x:*k$4.4m/s^2$. What is the cart's displacement during the first 8.9 s of its motion?

  A bullet moving horizontalvtm/fy;k* mkpdvdu 5:8(h* h f9ehj x)ly to the right (+x direction) with a speed of 351 m/s strikes a sandbag and penetrates a distance of 33.83 cm. What is the average accelerativ *(jh d vtkm fh;:ef5hp9um y8k/)*dxon, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircraft carrdca 3epyldl/)hhqk8 8 6 ;g9o(ut ikt6ier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. Assuming the acceleration is constant, w 3(dh 8cy;kiedlkto6) tq p9h6agl/u8hat is the length of the catapult?

  A car starting from rest moves win xtnz8sx(s*,t2i+ a nth constant acceleration of $2.0m/s^2$ for 10 s, then travels with constant speed for another 10 s, and then finally slows to a stop with constant acceleration of
-$2.0m/s^2$. How far does it travel?

  A car goes from 40 m/s to 80 m/s in a distance of 200 m. What is its average acht-8l; ahxx5q:arz) u celeratih85t;uz ax :ra) xq-hlon?

  An object starts from rest and undergoes uniform acceleration v7x te7xbzkj89e+620 j i.l fqkjos0v. During the first second it travels 7.4 m. How far will it travel durl6jjv78x eq7 02e0 t kb9 vsjki.+oxzfing the third second?

  An object is moving in a)q/gr:zzja g 9 straight line with constant acceleration. Initially it is traveling at 16 :g/q gjazr )z9m/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 accel 5)yspgsx9e8n/v+(/ ppr fe o3: iqyqperates uniformly at $3.0m/s^2$. A second car starts from rest 6.0 s later at the same point and accelerates uniformly at $5.0m/s^2$. How long does it take the second car to overtake the first car?

  A car with good tires on a dry road can decelerate at abo(kti(y piq*g 0ut $5.0m/s^2$ when braking. Suppose a car is initially traveling at 55 mi/h.
(a.) How much time does it take the car to stop?    $s$ (only input numerical values)
(b.) What is the stopping distance?    $m$ ((only input numerical values)

  At the instant a traffic light turns green, a car that has been waitw8gpj7(n 5 d-( f)dr*tkjguiq ing at the intersection starts ahead with a constant accelerat* i j(-gwrdf8 )(dq7kjpnug5tion of $2.00m/s^2$. 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.    $s$ (only fill in numerical values)
(b.) Calculate the distance beyond the traffic light that the car will pass the truck.    $m$ (only fill in numerical values)
(c.) Determine the speed of the car when it passes the truck.    $m/s$ (only fill in numerical values)

  An object is thrown upward with a speed of 12 m6 /4mn7dpjx.yg6v at9 np(ndf/s on the surface of planet X where the acceleramtnp7n4nd f dvj66 p(yg x9/a.tion due to gravity is $1.5m/s^2$. What is the maximum height reached by the object?

  An object is thrown upfq0stg3.qqq+ wg/ q:iward with a speed of 12 m/s on the surface of planet X where the acceleration due tof:i wqs gq0.q3t/g+qq gravity is $1.5m/s^2$. 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 X w/.q6zhxkxn q4here the acceleration due to gravity ish .xn/qk4zxq6 $2.5m/s^2$. How long does it take for the object to return to where it is thrown?

  An object is thrown upwa5)dn3dm 4 dn2zf1a9in m le4wsrd with a speed of 14 m/s on the surface of planet X where the acceleration due to gr4n3em4 didza95nm wl2d1nfs )avity is $3.5m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually greater than 0.10 s. If your frre ,: 5ek ;arctb-bod;iend holds a ruler between your fingers and releases it without warning, how far can youk; tacb5rede:;rb,o- expect the ruler to fall before you catch it?

  A ball is thrown upward at a v9+e v+rynlg l6d :u)oaelocity of 19.6 m/s. What is its velocity after 3.0) rgvnd6eo9+a:ll u+y0 s?

  A bullet shot straight up returns to its starting point in 6 s. What is thl1z4 w pko*onh h1e c2l+3ebv5e initial speed of the bull3le bwplov +o*h1zn1e4kh5c2 et?

  A ball is thrown straight u8/:iz clamf5rgl*5bx:,) chis n5 )mzle,c t jp with a speed of 36.0 m/s. How long does it take tongf ,tm)l)l jbr: i8he:a c m*5zz ,lc5cxi5/s return to its starting point?

  A ball is thrown downward from the top of a building wkx1k/e(sjt 7n)3f kte ith an initial speed of 21 m/s. It strikes the ground af ( tkek3/j1te7xn)sk fter 7.4 s. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only fill in nbv6hkvr4b)zv(;4 bt numerical value in tz ;64b hn(vrkv 4bvbt)he 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 stra:)a hz:oqrch y) :z-v-c.hj onight up into the air with a speed of 40.2 m/s. (use $g=10m/s^2$, only fill in numerical value in the blank)
(a.) Calculate the time required for the ball to rise to its maximum height.  (数值)  $s$
(b.) Calculate the time for the ball to fall back to the height at which it was hit.  (数值)  $s$
(c.) Calculate the maximum height reached by the ball.  (数值)  $m$
(d.) Calculate the ball's speed 2 seconds later.  (数值)  $m/s$
(e.) Determine the time at which the ball pass a point 8 m above the point of contact between the bat and ball for the first time.  (数值)  $s$
(f.) Determine the time at which the ball pass a point 8.0 m above the point of contact a second time.  (数值)  $s$

  In Fig. below, what is the velocityv uza pf;mf5 c/oq5)/i at t = 1.0 s?

  In Fig. below, what is thv6leo l6u .v6s nq0a3je velocity at t = 2.5 s?

  In Fig. below, what 7c yu+5ntoy8 ,xwzd:bis the velocity at t = 4.0 s?

  In Fig. below, what is the vrirrs/ 5z 8h) )b.t ghsx+ 3wniwm7q9jelocity at t = 5.5 s?

  In Fig. below, what is the average velocity ) .s1qtl,a-v;7ztwmsu5xw zyfrom 0 to 4.0 s?

  In Fig. below, what is the average velocity from / hrgri1 ;7lfz/ga7fq-c u0ot0 to 6.0 s?

  In Fig. below, what is the acceleration at i6ht* t(wqdh8ju) /g2y: xgpi1.0 s?

  In Fig. below, what is the acceleration at 3.0 ;wa57jx:lq; zvrr s3ws?

  In Fig. below, what is the average acceleration fr m )pblc0b9 46hr766dovpdcwpom 0 to 5.0 s?

  In Fig. below, what is the average acce d2)/ 0rh onaf;wol2zxleration from 0 to 8.0 s?

  In Fig. below, what is the displacemef * hst:sl40 -rqkm+tfnt from 0 to 8.0 s?

Does a car speedometer measure speedgblu 9x41 9u*xmtb 0bt, velocity? {speed|velocity}

  An object can have a varying speed if its velow6i n+j;e313u8k )1 idsw m5nmcsjgkpcity is constant.

  The velocity of an object can be negative when its acceleration is positio// d+80 qx9gbqro hfkblni3 ) s1r3jzve.

  If one object has a greate/ifc.) .dsjlr67jx e lr speed than a second object, the first must have a greater acced7r .l e/x)lisj jc.6fleration.

  Two cars emerge side by side fro1xec4std-9 m,0 ryy.d.uasdmm a tunnel. Car A is traveling with a speed of $60km/h$ and has an acceleration of $40km/h/min$ Car B has a speed of $40km/h$ and has an acceleration of $60km/h/min$ . Can A will pass car B at the instant they come out of the tunnel.