Suppose that an object travels from onfol, )wik+uv fv(q8r8e point in space to another. Make a compar(,vi8 wv+fu k 8qf)lroison between the displacement and the distance traveled.

  When is the average velocity of an object equal to the instantaneox b 2(fc-zk4u/ezj 8 m/*zljhvus velocity?

  A new car manufacturer advertises thatt+cpc.j - dt2rh66ncj their car can go "from zero to sixty in 8 s". Th6j j26dnp h-ctrc.+ ctis is a description of

  An object moving in the +x axis experiences an accelerationo +w -mdz7-/ /fxpbpu3vv qh,u of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x directixe j7bt(r 39a fr9n7i qpb/eotk.b-rdjoy 235on) begins to slow down as it approaches a traffic light. Make a statement c 5bx. ( dkbnri jp2e739r-o 3y/fr9tbjqat 7oeoncerning its acceleration.

  Suppose that a car travelia:so-5y/ uyba 2:e2jqtisxh ,ng to the West (-x direction) begins to slow down as i:js 5yy2 u:oiex,-qa h sbt2/at approaches a traffic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a cr+s3tiqc/v/ honstant velocity. Make a statement concerning its acceleratio3s/tvq/hi cr+ n.

  If the velocity of an object is zero, does it mean that the acceleration is zeri-vgr0l -s6iwwp *c7m5n y d4lo? Support your answer with an example.mll c5v w6si*4driy7-wn- 0p g

  Can an object's velocity change5kn l:osl21vi direction when its acceleration is constant? Support your answer with an examn osv:52i l1lkple.

  Suppose that an object is movinn ,nptt9j1yvltgj3f/(w *h8ag with constant acceleration. Make a statement concerning its motion with respj,t flgn/vpyw9 n* 8ta t1h3j(ect to time.

  Can an object have increasing speed while its acceleration is decreaa.66y(xuu / ejo,a pjzsing? Support your answer with an exam6e /,zoa6pu(.jxayj u ple.

  Suppose a can, after an initial kick, moves up along a smooth hill ovvf,8 -a)oi l4ge/d cbud t19df ice. Make a1iolavvfcg8et9) ddb/,- d 4u statement concerning its acceleration.

  Under what condition is average velocity equal to the avey6 p nh ssfgki1 +)yhbgya*z8c1ce:11rage of the object's initial an: h81n+y ep6s)khy*bs 1ag c11gizcf yd final velocity?

  Objects A and B both start at rest. They both accelerate at the same rate. +k89u mbhpbfbqe.,7l However, object A accelerates for twice the time as object B. What is the final speed of object A compf,eblhk97bm+ q b8pu.ared to that of object B?

  Objects A and B both start from rest. They both accelerate at the same zqzjat2h3,2n. nfn f,6oso )arate. However, object A accelerates for twice the time as object B. What is the distance traveled by object A compare23 n6haf.2sf) jtznz,, qoanod to that of object B?

  An object moves 15.0 m north and then 11.0 m soxyk d/uf-) /axuth. Find both the distance traveled and the magnitude of the dax// ykufd) x-isplacement vector.

  A boat can move at 30 km/h in still water. How long will itnxcof0o5 xbrj p-/e 77d xr.x1 take to move 12 km upstream in a rivefcr. 1ro5 x -jexpbxo /77x0ndr flowing 6.0 km/h?

  55 mi/h is how many m4pyw6 r+hh4vf /s? (1 mi = 1609 m)

  What must be your average spegjxobhcg5qr m e2:-lg rt9-01ed in order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours and 57 r2mp mr-egfhpb -5nv a+8h9m1min. What is the average speed of the runner in m/s?vhm+2e pf-9m gnm p1rh-8r5ab

  A car travels 90 km/h. How long does it take for it to travel 400vhai fk 5/dg4b-u i82c km?

  A ly (light year) is the distance that d25l(t2s t h 9t3fptrhb0x bl/light travels in one year. The speed of light it2p(l90 ltbrs 52thf hx/t db3s $3.00 \times 10^8 \; m/s$. How many miles are there in a light year? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road afq 7 szwf4/b9dnd you look to the side for 4.0 s9q4z /bsfdwf7 , how far do you travel during this inattentive period?

  If you run a complete loop around an outdoor track (400 m), in 100ae8yfy; .*al d7:f-o j85 p2 tlst4uzbv bb,el s, your average veloclbe :sb,d;el yo yp* lb 7 5jufzv-t8f4t2.8aaity is

  A polar bear starts at the North Pole. It trave*eeesoc 4-*:.ds ck70 pve mjrls 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to :.e s*mre0jvdpok 7c cs*4e-ereturn 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 travels 1.0 km south, then i)k8+ iuhh6/-r r olrz1.0 km east, then 1.h+zr6)- hlou8krri / i0 km 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 from schobw :pp/lq0) spmg+ml2 ol 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 fbw: m)/pm2 l+0pq gpslrom school?

  A motorist travels 160 km at 80 km/h and 160 km at wzi.xb*f 4pcnlzg ( ;4p,o2kj 100 km/h. What is the average speed of the motorist for this trijw,4npxof*2 .pclz (g4kzi ;bp?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is her avei m70hysdz(fz zr*pb8q:e6 *nrage speed fyephnm7 :d *z0rszb i(8z6*f qor the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 d,- ulvm aat9i/6zke:mi/h north for 750 miles. What is the avezm 6daultei:a -/9 k,vrage speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 100 m) for tef+l*c 46gl4gwa z7yp sam 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 ga4lzwpc*y l4s 6f+7gof the race, in order that the team A runner not lose the race?

  A car decelerates uniformly and comes to a stop after 11 s. cez 3 ct 9(w4k1gbfe:y1vt.sl The car's average velocity during deceleration was 44 km/h. What was the car's deceleration while sl34g becfkv(lt 19se1.z t cwy:owing down?

  An airplane increases its speed from 100 mv3 bx0wtcu h+j1ssl sc0:k+8l/s to 160 m/s, at the average rate of w03hxsscj:+01vb ul8 lt+ csk$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/ +0b tk7rpv 4s jmx3t)hnaz4z7h accelerates 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 and acce:(30e gyaq hpxlerates 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 speedm7z8hkie,, :b9sk7cxrv z1t6yg ; efps up with a constant acceleration ofrh ,9vkc7z gx76, fk:ebpzi sy;81mte $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 2.3 m/s experienc,c9v7s3oyas;(e xs nres a constant acceleration of 3 n7sa 9;voecrsy s(x,$4.6 \; m/s^2$. What is the cart's displacement during the first 7.4 s of its motion?

  A bullet moving horizontally to the right (+x directif,j4v c/xi+e rit3 ye7on) with a speed of 294 m/s strikes a sandbag and penetrates a distance of 25.00 cm. What is the average acc iji,vc3rxe ye74+ft/eleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched froj8u epd,b0m5q m a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. Assuming the acceleraj 05b,8dupqm etion is constant, what is the length of the catapult?

  A car starting from rest moves with constant ach)z8m2d7a4s d6. k zv yyxew-tceleration 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 8-5s v/39z izlzs;pm v-cgnn -l0 m/s in a distance of 200 m. What is its average acn9i--s vgvl- l5c3;/z sm zzpnceleration?

  An object starts from rest an kk8k0pe:f;ss9c;*mf ofz 0bt d undergoes uniform acceleration. During the first second it travels 1.4 m. How far will it travel during 90fesfbk0s8t: mk; pc*k;fzothe third second?

  An object is moving in a straikhigeulih jss0 s;0* 3-p 8q0wght line with constant acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does it movks 8qse;gsu0hp-*ijh w i030le during this time?

  A car starts from rest and accelerates uniform uvpm-b )lh a x)(gydj7cu+4f5ly 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 abog xpf,1irja:*fpii 6zk-2gn ,ut $5.0 \; m/s^2$ 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 greyf.lak cgiu 13x 8rc::zdq7(ren, a car that has been waiting at the intersection starts ahead with a constant acce f.grcc1 (xr3l:i:7dyk qa uz8leration 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 g4 -3m2cvzocfz(r 9 eo
(a) km/h,    km/h
(b) m/s ,    m/s
(c) ft/s.    ft/s

  A rolling ball moves fro)jkl; p7b9ftim $x_1$ = 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 scu50y.o xd97g;ekird2vanzb* 1epl :ohool steadily at 95 km/h for 130 km. It then begins to rain and you slow to 65 km/h You arrive home after driving 3 * 50ogn1e2zxopb7vke r .;y:didu a9l 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-milr7:ef ;x,qaormam4b*,e yr a0 e track in a total time of 12.5 min. Calculat7q4obrr*m,ma:ea fr0a , ; exye
(a) the average speed    m/s
(b) the average velocity, in    m/s

  A horse canters away from its trainer in a straight line, moving 116 m away in ia9j;2trzi0 b nv,7hd14.0 s. It then turns abruptly and gallops halfway ba ibrnhi vj90d;27,taz ck 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 a3g fi6ic9pq8n speed of 790 km/h , and then encounters a tailwind that boosts it9i3q gfp6 cn8is 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 average velocity46 wzvb+x 7ab1ebnf*y of a complete round-trip in which the outgoing 21bn4ew*z a7bv fyxb6+50 km is covered 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 greater spe,vzr:ozp c;t /ed than a second object, does the first necessarily have a greater acceleration? Explain, usino ;z:tr/zv pc,g examples.

Compare the acceleration of a motorcycle that accelerates from 8ecmk(dxd 84*w 0km/h to 90km/h with the acceleration of a bix *8m(d4kedcw cycle that accelerates from rest to 10km/h in the same time.

Two cars emerge side by side from a tunnel. Car A is traveling withod s6;1 ca*8utx6xc:hfz zh3 f a speed of 60km/h and has an acceleration of 40km/h/min . Cad hccaf s1:xzh 6f 6x*z83t;uor 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 ac0 nt*-ua a 3w a6g 5;s:tl8:szomwdfxmceleration decreases? If so, give an ea:0sng afz3tm*wluwtx 6 8ado: 5m -s;xample. If not, explain.

Can an object have zero velocity and 22+ z dnsgfi/mnonzero acceleration at the same time? Give examplei2 nds2m f/z+gs.

Can an object have zet7j7s2q/fsco ro acceleration and nonzero velocity at the same time? Give exampj 7sf7scq/ 2toles.