Suppose that an object travels from one pow(ty4nfev.*4y (fwx+zn wq/ mint in space to another. Make a comparison between the displacement and the distancef.vwy t+z( n4m x*/f(w4ywqne traveled.

  When is the average velocity of an object equal to the in e .3x +x.2cdhhzbp.;tm hml ju)3eqm;stantaneous velocity?

  A new car manufacturer advertises t7 5splyj*o-i(o0g4gcmo o vg;hat their car can go "from zero to sixty in 8 s". 4go5;cls0-mvygp*ijog7 o ( oThis is a description of

  An object moving in the +x axis experiences an acceleration o g .6tyg0w0m9+ hhifsjf $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (:i6mh 4iuk++gokl mb: +x direction) begins to slow down as it approaches a traffic lg:bm +h 6kl+iumok4 :iight. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x directiog-vcg .c,j9 zw;m0r qon) begins to slow down as it approaches a traffic mg9jw- vc0,q.rz;ogclight. Make a statement concerning its acceleration.

  Suppose that an object is mosg3j n*2 egd/ b-rxfz1ving with a constant velocity. Make a statement concerning itszjbeg/dxs3f*- 1r n2g acceleration.

  If the velocity of an object is zero, does it mean anwjwlhxq(y,d/6y 7o tdiy92;hex-(that the acceleration is zero? xyi d/htoje;dq9w -6(a2y ,xw 7ly(nh Support your answer with an example.

  Can an object's velocity change direction when its acceleration is con6tc fp l3w1ka2ck9 *svd ot;6qstant? Support your answer with an exam2kvc9a*sd;p3q ocw tk ltf166ple.

  Suppose that an object is moving witfscns.1-1t* y 9;p mb7ps zde,wv- abih constant acceleration. Make a statement concerning its motion witpd s*mszs.p -- ,1t ;fy71eabin9wcbv h respect to time.

  Can an object have increasing speed while i( ctwvx 7s,z2xts acceleration is decreasing? Support your ans(tw ,zsxv 2xc7wer with an example.

  Suppose a can, after an initial kick, mo)yrgx nnax/r /h vx 5)t yz/t3n1.7iznves up along a smooth hill of ice. Make a statement concerning its accele /rtntg r7x)1/nziy hn )/z5v.a3yxxnration.

  Under what condition idiamgd6 f4p( x9il249rh6c ods average velocity equal to the average of the object's initial and final velmd4f(99d 6oixd g4pacr h26 liocity?

  Objects A and B both stae 1qbkbzso0 5+rt at rest. They both accelerate at the same rate. However, ob+5 0z qbboesk1ject A accelerates 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 botc .itpv ;8bg3 bct)cqr** r7lph 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 of object B?tp t rvi3cb) lbqrcc7* pg;.*8

  An object moves 15.0 m nort8 *sclk 80. rfn4tmeiqh and then 11.0 m south. Find both the distance traveled and the magnitude of the die8l .fqm r08 isnkt4c*splacement vector.

  A boat can move at 30 km/h in still water. How long will it take to move 1 asd6z rf2m):d2 km upst 6zrmd:2)sda fream in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = i :fw 6;nix7be0.u. 4(gkcrbz0uf;dn; pj v te1609 m)

  What must be your average speed in order topg o3.bk-o3vf travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours anth12mcrfksq f;.b 3s ohrd+1+d 57 min. What is the avsr+f;1b3h q +ftdsm2h. 1rok cerage speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to travel 40l , qkm6 k*hkqw.8pdlkxc1(*s0 km?

  A ly (light year) is the distance that light travels in one yearl.joa(a12nq(xl q(lq ga 1pmit 4z02d. The speed of light 0qn qqzl2l.xla 4a(j((i 1padt1 o2gmis $3.00 \times 10^8 \; m/s$. How many miles are there in a light year? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/r g0gp fhpc6r +g pmr0s+z7o87h along a straight road and you look to the side for 4.0 s, how far do you travel during this inattentive pepgrc7+rp76 +gsg m0 z8r oh0pfriod?

  If you run a complete loop around an outdoor track (400 m), in 100 s, xv : /v(wkco7hyour avera/(7k h cxv:vowge velocity is

  A polar bear starts at the North Pole. It travel)*)t,hk rjbt2;tdjs ns 1.0 km south, then 1.0 km easr*)njt2);kb td,jths t, then 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 North Pole. It tr9 x f0 pu7;mm:/kbrszr*rdu5p avels 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 min. m ruku dsb*0f;7 /zrx5pprm 9: What was the bear's average velocity?

  You are driving home on a weekend from school at )coiw /d: .n7h .nncbwox2pn;ta6,jh55 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 fa ).itxp /.nw2 wcoj:o nabd7hhn;,n6 cr is your hometown from school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. Whay+kbta u5*gfy: )a icq8 hh(8dt is the average speed of t8i qd)c+ktyuha*fh:( a8 by5ghe motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/ o a(g2m.5 hrvpsbymx967z4s fh. What is her average speed fg4x.s9hop2sa5 v7r 6z yfbmm (or the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 2 fui.s;v k4h6s50 mi/h north for 750 miles. W4.6h;i svufkshat is the average speed for the trip?

  In a 400-m relay race thexralab h( 8, lr0suo68/vwd g3;kbbj3 anchorman (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 the race, in order that the team A runnb rgh3s6l8db(8o,awvk;jxl b/u 0 3arer not lose the race?

  A car decelerates uniformly and comes to a s3cplzk:kz)uf 5a9of( top after 9 s. The car's average velocity during deceleration was 65 km/h. What was the car's deceleration while slowin(uf3o5 9a:zlpfck)k zg down?

  An airplane increases its speed from 100 m/s f(,2 :n ;xkf6mhzjxv 8e3luzt to 160 m/s, at the average rate of jl(:kmxx2fzz86t,fh;ne 3 uv $15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h q xd-d gjmh:l; 5q:f tg2p;i0zrgse*4accelerates 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 p3d 8o:h/tphupffcd54 d f6d.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 wiwckdk 0u7el; 2th a constant acceleration ;uek2 d7klc0 wof $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity o;:vrt6fex b n0f 7.4 m/s experiences a constant acceleration of fbe v60r;x:nt$1.6 \; m/s^2$. What is the cart's displacement during the first 7.8 s of its motion?

  A bullet moving horizontally to the right ztku3h rg jlb4 k ni6z+.,*)du(+x direction) with a speed of 395 m/s strikes a sandbag and penetrates a distance of 37.16 cm. What is the avjd. 4hu6z,tukz3 nri*+bk)g l erage acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircrafk+ffc bpz6j( t mjmvk6)(it,/t carrier. It reaches a bj)p (t6z6kf m v/+ik c(jft,mspeed of 42 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 constant acceleration ofmc)njk 3fu 7q5 $2.0 \; m/s^2$ 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 averagek/)o t8a*udyd acce dt kad/)u8yo*leration?

  An object starts from rest and undergoes unifsc v8:a dcj4j.;qu:.am,v c1vvqb k b,orm acceleration. During the first second it travels 7.2 m. How far will it travel during the thi,. avjqka bq1c;ucv 8c. s4:j:,vdmbvrd second?

  An object is moving in a str.w9qt0pcntm 1 aight line with constant acceleration. Initially it is traveling at 16 m/stn0p9m cwt 1.q. Three seconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and acce.eh/ nkd, bj;klerates 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 roargpue8xkuos80 xrd/i6 *5d k;d 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?    $s$ (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 h t(affbya m32m74aq- waiting at the intersection starts ahead with a constant acay4 b faht(q7-2f 3ammceleration 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 ;j 23, xd,h pvw,kuq(fa br0oi
(a) km/h,    km/h
(b) m/s ,    m/s
(c) ft/s.    ft/s

  A rolling ball moves fgk-(dtlc zr zg(mg*ki)q +*at45 yr7h rom $x_1$ = 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 schoo9xspn dmb 6-w 85zn)s9ndlg+ql steadily at 95 km/h for 130 km. It then begins to rainnd)99g5zn6 m l-b8sxn sw+ pdq and you slow 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 yiz s;n/oq p(ehy mu11.;yo/da quarter-mile track in a total time of 12.5 min. Calculate eoh;n;/1(/uom.pzd yiy1qys
(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 p e y w92by458pjzgtp8in 14.0 s. It then turns abruptly and 2g98ypy4 zbpjwet5p8 gallops halfway 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 oqgk amvd 81b5:f 790 km/h , and then encounters a tailwind that boosts its speed to 990 km/h for the next 2q5k v:18dm bag800 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 velocity of a complete round-trip i8 e6 *wclertowojt7 1 ; h:zfol5mq;7hn which the outgoing 250 km is covered at 95 km/h followed by a *oc lz17e 6o te5rwt;o7l8f: hmjq; wh1.0-hour lunch break, and the return 250 km is covered at 55 km/h.    km/h

If one object has a greater speed than a second object, does the fw7v or :ir0 a,vgt8z.first necessarily have a grgoi.,t78f:vvr0zr w a eater acceleration? Explain, using examples.

Compare the acceleration of a motorcycle that accelerates frihzcjj h :q7ylt6ee:: t64j9yom 80km/h to 90km/h with the accelera6y6e j ey:hthli74z:9 j:qtjction of a bicycle that accelerates from rest to 10km/h in the same time.

Two cars emerge side by2 (s.g bjwuxn2 side from 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 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 w(.x2gjub2 ns reasoning.

Can an object be increasing in speed as its acceleratw*2r as j-se:m7ze,zh ion decreases? If so, give an example. Ifa7msh- ej *,rews2zz: not, explain.

Can an object have zero velocity and nonzero acuo3(( , m*0camx obrioceleration at the same time? Give rbm,o( ( 3a muc0xoio*examples.

Can an object have zero acceleration and nonzero velocity at th 4;b:ms *qbhaqk vp6f2e same time? Give examppq*b :bfmaqv4;26 kshles.