Suppose that an object travels from one point in space to anothw;7frzkp z)*z er. Make a comparison between the displacement and w; k7r* pzz)zfthe distance traveled.

  When is the average velocity of an object equal to the instantaneous vel +:*0r zqzy c;3;fbhu dcxx9,; rjnlchocity?

  A new car manufacturer advertises that their car can go "from zedokz* 4xa6f h*ro to sixty in 8 s". k6f*a4hzdo*x This is a description of

  An object moving in the +x azcj4 wujkr)h p,p w;52xis experiences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling04joe-gib8zj- qr c a,zki10f jo( 2kd to the East (+x direction) begins to slow down as it approaches a traffic light. Makjaodz ei1kb4c0 q0 zjfr-jo(k,-i8 2ge a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x directi p;eh1j /wk is80ppdf:on) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleratpe;1:wjif8k phds0p/ ion.

  Suppose that an object is moving with a constant vevb 6 wh;pr*bbm42)z dnlocity. Make a statement conc4) wmnd;bb2rzhb6v *p erning its acceleration.

  If the velocity of an object is zero, does it mean that the accelfk n8wf:x/ ylmm;j b+3eration is zero? Supporty x +bmf:lfm /k3wjn8; your answer with an example.

  Can an object's velocity chk3 bos8q.3r k(do,v 7;rsvmwlange direction when its acceleration is constant? Support your kd s(b8,v3r q kr7 mlowov.;s3answer with an example.

  Suppose that an object is moving with constant acceleration. Make a sr squ0*w h0.v pu0tr,p4;xhlttatement concernin00rrth,sp;4ul.* 0xuqpw htvg its motion with respect to time.

  Can an object have increasing speed while its acceleration is decreasing? ;7h(8jvki- 3 lmq3pkls u w:ru Support your akh3(:slmw lk;7qp u3r vi8uj -nswer with an example.

  Suppose a can, after an init z9zl d6fc/ iyvdv+c2dggg ;o7di 8y5h12s1izial kick, moves up along a smooth hill of ice. Make5s682 fdcilv;id 1 g9 g2ycdd+7zzg/voz yh1i a statement concerning its acceleration.

  Under what conditionne*e/y m 1jtn7 5q9ate is average velocity equal to the average of the object's initial and f*etnaq jt7 5/yem en19inal velocity?

  Objects A and B both start at rest. They both accelk 6b bd,0(jv.;zgjtxnerate at the same rate. However, object A acceler;bvt(d0,xgjk bz n.j6ates 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 acihu-.x1r 3v mu(p-kjo celerate at the same rate. However, object A accelerates for twice the time as object B. Wha1-h (x j 3ormvi.puu-kt is the distance traveled by object A compared to that of object B?

  An object moves 15.0 m north and then 11.0 m south.am-k myll: 4o. Find both the distance traveled and the magnitude of the d:m4- mola.klyisplacement vector.

  A boat can move at 30 km/h in 4r(naxa+dn5zq m2xij 6px*s. still water. How long will it take to move 12 km upstream in a river flowing .xa rd42maszn xixqp+jn6* (56.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609+u8e0/enw7tr;l-fa wkxae+ ;l p*ri b m)

  What must be your average spu 9s f5(08pekiwvczvbtw2-;iu2z(gv e8 i -iieed in order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours and);w1w gc2bbmr:ob3tszqo0 * w 57 min. What is the average speed of the runner in :g qb2 wcm3t0w o;o)bs*rz 1bwm/s?

  A car travels 90 km/h. How long does it take for it to trhe)nr.. zkb n.avel 400 km?

  A ly (light year) is the distance that light travels in *q ;*hw z+iq+bdwe3v 9qte xt:one year. The speed of light is itd wv+ : bh3eq;9 xz+*twqe*q$3.00 \times 10^8 \; m/s$. How many miles are there in a light year? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h alongos;h+ 0wk, zmk a straight road and you look to the side for 4.0 s, how far do you travel during this inattenti;ms kw,zh0o+ kve period?

  If you run a complete loop around an outdoz 3cu2 mrr56( wuxsfp8or track (400 m), in 100 s, your average ve 3z2u (ur5fcwspm 86rxlocity is

  A polar bear starts at the North Pole. It travels 1.0 km south, thefp bqx;)0)9b env/mtic6ha- ;ke (b ifn 1.0 km east, t(0t;/xep 9h bamice qfi6fbn) kbv-);hen 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 thej3p 4)mp1oyn(nb) 8,gnpbuz y North 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. nb,)un z)1gpn3j y4ymppbo( 8This trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from schoolhg k89*+u(f db.gw,)ci ta.b0 7dzpe,rrff ng 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. Hotf*.pbw f rkbfd 08.z ug9+crh,dn)a7(,igeg w far is your hometown from school?

  A motorist travels 160 km at 80 km/hr**gts/bgqo5a w mv -5 and 160 km at 100 km/h. What is the average speed of the motqw* a*om-vb/srg5 gt5orist for this trip?

  A motorist travels for 3.0 h8zph k)qa+ xy( at 80 km/h and 2.0 h at 100 km/h. What is her average speed for thyxaq)+(k8zh pe trip?

  An airplane travels at 300 mi/h south fok,ch3j-bvq -cr 2.00 h and then at 250 mi/h north for 750 mil jc--,khq c3vbes. What is the average speed for the trip?

  In a 400-m relay race the anchz pxv 7pbnt/-m9l.9tyorman (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 team A runner starts the final leg of tbv-p9tz .y ntlxm9/7p he race, in order that the team A runner not lose the race?

  A car decelerates uniformly and comes to a stop after 14 s. Thefe7zwlg (tmjildh ,h b8 r2q1a:.i/3+dw oag , car's average velocity during deceleration was 5 g ghwltm1dhz2,e + : af w(ialdbr78j3/oi,q.1 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 the average rate of cob 25s4lt9.pqdhh u 3kd(b8q 9us 35hd ch.pqtok4d8b2l( qb$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate pm)u0 6hfu57c ockgg9 r- xzyziye*68of $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from resti0 8 g9juw3at*qc,cks u ;xn:s 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/sf 52ex xcdfs(/b0wk0n for 10 s. It then speeds up with a constant acceleration of dsxw2cb(f0/e5 fxnk 0 $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 6.0 m/s experiences a constant acceler6nsfag q7ls:93 b wwnd :f3a +l5fqtx2ation o3 wg n:5nl 7wsladaf:xfs+2 q3f69tqbf $3.8 \; m/s^2$. What is the cart's displacement during the first 6.2 s of its motion?

  A bullet moving horizontally to the right (+x direction) with a speed hl(xuki:a .a 9of 254 m/s strikes a sandbag and penetrates a distance of 74.40 cm. What is the average acceleratio x:a.akl(u i9hn, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircraft2y hqbtew rfo)a5 j6t0+w,( io carrier. It reaches a speed of 42 m/s at the 5+ ,writeh ofb(yqj)w2a60 otend 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 cr f,otu;hch-bw00h4q onstant 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 200 m. What is its thucsbw)6f1 hp*k ak+.6 cau9 average accelerati pkts)cb*1w hh9fk6 uc6au+. aon?

  An object starts from rest and undergoes uniforu6y xaz32z,gyob i. txx6hm77 m acceleration. During the first second it travels 4.7 m. How far will it travel d.xzt b7umgo,zyx6xh a2i37 y 6uring the third second?

  An object is moving in a straight line with constant acceleration. In4orw gji -r4v1itially it is traveling at 16 m/s. Three seconds later it is traveling o 1g-vr ji4w4rat 10 m/s. How far does it move during this time?

  A car starts from rest a arumxa04xlg*3ft)m4u 2bgc7u k4gt1 nd 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 road can decelerate at (r p;b8l2f+gus .tdh kabout $5.0 \; m/s^2$ when braking. Suppose a car is initially traveling at 55 mi/h.
(a.) How much time does it take the car to stop?    $s$ (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 beenwek: glf. +p -bhu6e3f waiting at the intersection starts ahead with a constantbkw+p63.-u:eeg h lff 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.    $s$ (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)

  Convert 35 mi/h to fq 5u/90oo cu(sixcn4
(a) km/h,    km/h
(b) m/s ,    m/s
(c) ft/s.    ft/s

  A rolling ball moves from-l 48;qjvnq3aau reg3 $x_1$ = 3.4 cm to $x_2$ = -4.2 cm during the time from $t_1$ = 3.0 s to $t_2$ = 6.1 s What is its average velocity?    cm/s

  A particle at $t_1$ = -2.0 s is at $x_1$ = 3.4 cm and at $t_2$ = -4.5 s is at $x_2$ = 8.5 cm What is its average velocity? Can you calculate its average speed from these data?    cm/s

  You are driving home from school steadildqm54/t,c 5vsow mg 5gy at 95 km/h for 130 km. It then begins to rain and you sl4os5m c g wqgt5vmd,5/ow to 65 km/h You arrive home after driving 3 hours and 20 minutes.
(a) How far is your hometown from school?    km
(b) What was your average speed?    km/h

  A person jogs eight complete laps around a quarter-oe)lw3c ol 3*kmile track in a total time of 12.5 mc 3)oe3lw*kolin. Calculate
(a) the average speed    m/s
(b) the average velocity, in    m/s

  A horse canters away from its trainer in a straig 9qzh3 77eyocght line, moving 116 m away in 14.0 s. It then turns abruptly and gallops halfwzcog9q 7y e73hay back in 4.8 s. Calculate
(a) its average speed    m/s
(b) its average velocity for the entire trip, using “away from the trainer” as the positive direction.    m/s

  An airplane travels 3100 km at a speed of 790 km/h , and then encountersj/kzsdy e 32a)cr-e;m a tailwind that b;d3 ame-sjkrc)2zey/ oosts its speed to 990 km/h for the next 2800 km.
What was the total time for the trip?    h
What was the average speed of the plane for this trip? [Hint: Think carefully before using Eq. 2–11d.]    km/h

  Calculate the average speed and averyk i+sl*er9u6 v:id3q age velocity of a complete round-trip in which the outgoing 250 km is co9:iq irl3ue* s 6+kvdyvered at 95 km/h followed by a 1.0-hour lunch break, and the return 250 km is covered at 55 km/h.    km/h

If one object has a grzy-bl1kww7t sah3 3o -eater speed than a second object, does the first necessarily have a greater acceleration? Explain, using exam7--wazwhty lk33 1bos ples.

Compare the acceleration of a motorcycle that accelerates from 80k5 e5)6qd )6uhz vqblzum/h to 90km/h with the acceleration of a bicycle that accelerates from rest to 10km/hb zu)6dlv6 )uq5qze5h in the same time.

Two cars emerge side by sibinmu6q,f(uaot; ;ivmkh64g py; 5 d;de from a tunnel. Car A is traveling with a speed of 60km/h and has an accek; a f4qhouibyp ,n6m(m u;it;5dv 6g;leration of 40km/h/min . Car B has a speed of 40 km/h and has an acceleration of 60km/h/min . Which car is passing the other as they come out of the tunnel? Explain your reasoning.

Can an object be increasing in speed as its accelerat7a +tdap ;/z+keut fkkxx r:9y)(i4pzion decreases? If so, give an example. If not, efpetdk:ka/zz kt9 )a;ri(++ 47 uxpyxxplain.

Can an object have zero veloweg a*z d,arh94i8 1sc,h2 kpucity and nonzero acceleration at the same time? Give pas2eziw4cdh8,g r91 ah*u,kexamples.

Can an object have zero acceleration and nonzero velocity at the same tie1 7lwd.p)35vr0sp t 0 ndjbwwme? Give exad1rp ) p w5vb .ts0wne0lwj3d7mples.