Suppose that an object travels from one point in sp9 ywp2-l; vombace to another. Make a comparison between l9py2wb-o;v m the displacement and the distance traveled.

  When is the average veloca8ayl +d2hl ea+e o5g0ity of an object equal to the instantaneous velocity?

  A new car manufacturer fp*8slm y0kn ::zm o1qh6eg2fadvertises that their car can go "from zero to sixty in 8 s"qmoy820* 16 : mehspzlf: kgfn. This is a description of

  An object moving in the +x axis experiences an acceleration of ncj mt3. +xejue+nr,1 c)ds;u$2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East mncvtz *nk l1( y4p74b nuu8:*v*e yct(+x direction) begins to slow down as it approaches a traff8m *ntv*nyzu44 (n* ucklep7cvytb:1 ic light. Make a statement concerning its acceleration.

  Suppose that a car traveling to )pw.e+qyw le- the West (-x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acce.p)el w -qyw+eleration.

  Suppose that an object is moving with a constant velocity. Make a statementxc4z1e5tmk av41rfu5i xf5 1o concernz 1v oafc5uxe15tfm4xi1r45 king its acceleration.

  If the velocity of an object is zero, does it mean that the accelerati **rsnw m .vz-a+ax4zq9aw ik2 xgf,d6on is zero? Support yosz6d a n*z rwkaqa2-*+fxmg vx9i,w.4ur answer with an example.

  Can an object's velocity change direction when its acjfq:.9 ux+ gazo oqv i/o+l*j0celeration is constant? Support yooq+f9ia/z v j:xuj. *+ lgoq0our answer with an example.

  Suppose that an object is moving with constant acceleraj.ni28kjgthj(i y105uramnfi *z) 0 wtion. Make a statement concerning its motion with respect to 2f zyi5t rn10i(u *gi 8wj. nmhja0)kjtime.

  Can an object have increasing speed while its acceleration is decreasing? h60.dfsp mmj0 Support your answer with an examplj0hfs.0m m pd6e.

  Suppose a can, after an initial kick, moves up alo8y1ekp jrc7 4sng a smooth hill of ice. Make a statement concer7ke 148rjcps yning its acceleration.

  Under what condition is average velocity equal to the atptei99u+/g 7pdl/rj.r +w t vverage of the object's initial and finalpvgr/l 7 i+jterw+ut99dp .t/ velocity?

  Objects A and B both start at rest. They bo pn4z+fw7bn)ds 541da2diqcoth accelerate at the same rate. However, object A accelerates for twice the tib+p 2dn ns41oi5fd4c wza)qd7me 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. T oj )2nw)*puq7z/ qpdihey both accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by object A comp /z*)p w 2pndo)qq7uijared to that of object B?

  An object moves 15.0 m north and then 11.fd4wo* skx,v; 0 m south. Find both the distance traveled and the magnitude of the*ks;w, x ofd4v displacement vector.

  A boat can move at 30 km/h in still water. How long will it tam1jj avn+ey2;m: rjo*ke to move 12 km upstream in a river flowing 6.0 o*;yjjr+n2jame :v1 mkm/h?

  55 mi/h is how many m/s? (1 mi = 1609s7)t 222gch k62dd8igk xjmbzl ohv-r 2uq;e ( m)

  What must be your average speed in order to travel 350 k6c3 8e7x z*e;i ay*mz-bxs lbwm in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours and 57 min. Wha , 0/n;gkb5 m/pf7biqmgb,db st is the average s5kbq ,fb/ 0pbbg,/s ndmmg;7ipeed of the runner in m/s?

  A car travels 90 km/h. How long does it take foo tsxku2,-) /xmhtw2wr it to travel 400 km?

  A ly (light year) is th5/c 70 ksbtvjfe distance that light travels in one year. The speed of light is 5kjts0 /vf c7b$3.00 \times 10^8 \; m/s$. 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 and you look to the sidew g8r j8+q5 0o4i oxb:g5cc o6zqeghf2 for 4.0 s, how far do you trig bhc :e6g5j4850o2xq+rooqc wfz g 8avel during this inattentive period?

  If you run a complete loop around an outdoor track (400 m),9kd6; k1gicyqitf c+ 5r9nji( in 100 s, your average velocity i9k1nc5i(f yii q+;tg6r9 ckjds

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.v c/7 8w2nud*gr)hxow 0 km east, then 1.0 km north, then 1.0x8owvwg27*c h u)n/dr km west to return to its starting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts a 4(hybcpkk( y3(:5kkcg sque /t the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 q c3kkk:c(5kygs b(/hu(yep4 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 school at jf(vy+y o0* rnnp .p8z55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after drf08+ py*.joznv (ypr niving 4 hours and 15 minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. Whadhekd1 h4z;8sk gvba+lx2hcq7.o y 84t is the average speed of zsox;+.h4 dh y417keq ckhg8bd8l 2vathe motorist for this trip?

  A motorist travels for 3.0 h at/ih bu2 9yq3xl 80 km/h and 2.0 h at 100 km/h. What is her averagxuq9 yib2 h3l/e speed for the trip?

  An airplane travels at 300 mi/h south for 2.00 h k41d -gjkvc-l and then at 250 mi/h north for 750 miles. What is the average speeddg l-k-v1 ckj4 for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 1w9 ;wkbce qu0:00 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 wb9wc :u0;qek 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 13nbu 0)j k( wz19wber1j s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration whiln bew1z)jk 9(w0br1uj e slowing down?

  An airplane increases its speed from 100 m/s to 16l c 7 /k6yc)yx2l9 6y+tim9gnleeuz0 g0 m/s, at the average rate of nlyc9y 96u +6 le2tx y )7gmce/lzgk0i$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at tn 2rb0 /-nx*ge.prb byhe 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 accelera/5cw9xz,2 fjv/ hsi0kobuw3 stes 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 sp8 v 2gb ,h:tnh;bnqi*mdle27x eeds up with a constant acceleration o8b n27gev2l,tqhimh x:n*d ;bf $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.4 m/s experiences a constant acceleratis(z2c; gvpykgzk 7.p7on ofpg y pg;zv.k27s c7(kz $2.3 \; m/s^2$. What is the cart's displacement during the first 4.6 s of its motion?

  A bullet moving horizontally to the right (+xztv20d :-/r g2b v;bo,qonpzj direction) with a speed of 553 m/s strikes a sandbag and penetrates a distance of 50. z:ogv2/ bqvzbtpro0d-; nj 2,39 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult o)mg/pmqr 8 wd0oat +8mn an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requit mm8oa+ wr d)0qp/mg8res 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest mo cs 5q*z6etcu5ck m2c,nu+e -oves with constant 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/f/va.y1l;hbsgpn5 yh -o3z5y s in a distance of 200 m. What is its average acc a v.-hyf;bln/1o5 hy ypz3gs5eleration?

  An object starts from rest:+zwvw pl 5way.ab 8j4 and undergoes uniform acceleration. During the first second it travels 6.0 m. How fjay8ww az54p:lvbw+. ar will it travel during the third second?

  An object is moving in a4z z:w5 ued7d:gr1efgt0me/zlm* 3 w n straight line with constant acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at te wf0 /d7 d*meg:4 umwnz3rz l1:e5gz10 m/s. How far does it move during this time?

  A car starts from rest and accelerates uniforzzqb1a;pt7k 6 (z 0trjmly 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 c: ccdogg93vz(an 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 hec wfj1pm55v89h5 euy as been waiting at the intersection5ef9c wvpuh8 51 5eyjm starts ahead with a constant 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 l4dfe8/saf80iwp j o)
(a) km/h,    km/h
(b) m/s ,    m/s
(c) ft/s.    ft/s

  A rolling ball moves fr7j cd345o amzgy)k,y cpoct*a2u6;h awvq:. f om $x_1$ = 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 steadily at 95 km/h for 130 km. Itt9 gu , iis2s018sqaxu then begins to rain and you slow to 65 km/h You arrive home after driving 3 hours anust qs8 a9x01ii,2sugd 20 minutes.
(a) How far is your hometown from school?    km
(b) What was your average speed?    km/h

  A person jogs eight complete lav4serldgm cgt)+v7 () ps around a quarter-mile track in a total time of 12.5 min. gl d)c)4 vetsv(m7g+rCalculate
(a) the average speed    m/s
(b) the average velocity, in    m/s

  A horse canters away frop.j5qxljtx( xxw hr.,6,sskz eq/+ i/m its trainer in a straight line, moving 116 m away in 14.0 s. It then turns abruptly and gallops halfway back in 4.8 s. Calcu/ix.5xsz .sh,+e/ wlq,jx6 r tx(qkpjlate
(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 spz-4,jgmw m n*heed of 790 km/h , and then encounters a tailwind that boosts its speed to 990 km/h for the4wz-mm *,g hjn 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 velocity of a complete round-tnqlung81kl )+ rip in which the outgoing 250 km is covered at 95 km/h followed by a 1.0-hour lunch break, and tl+u l1kn8gqn )he return 250 km is covered at 55 km/h.    km/h

If one object has a greater speed than a second object, does the fippj2z;4p 5bm6sxtb: u rst necessarily have a gre4sb 25px :;jb6pmtzupater acceleration? Explain, using examples.

Compare the accelera ;kg 476ykbgfetion of a motorcycle that accelerates from 80km/h to 90km/h with the accelergbk4e;kg y67 fation of a bicycle that accelerates from rest to 10km/h in the same time.

Two cars emerge side by side from r9 mbq-h49 aac/:z.l m.j+g,aoc*au *tpznip a tunnel. Car A is traveling with a speed of 60km oitp *za/ abcmzcj4aa 9lhp9r gu-.n,+q:m*./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 reasoning.

Can an object be increasing in speed .a7 *e s o3 am1)ohv*ssowhvd4as its acceleration decreases? If so, give an example. If s1 4e 3m7h*soosd. ahv waov)*not, explain.

Can an object have zero velocity and nonzero acceleration at the sms7q s 1:o/eluame time? Give example:/e7 mqo1lu sss.

Can an object have zeyb-k 7gl ggj/gi,bxi/5i :q8z0 .qqcero acceleration and nonzero velocity at the same time? Givelgbqz gbc0xi.i ,5e- j:g/8 iq 7qykg/ examples.