Suppose that an objecte2 by2uex9i) y travels from one point in space to another. Make a comparison betweeniuxe 22)b 9yey the displacement and the distance traveled.

  When is the average velocity of an object equal to the.u;tz.c t/vi) lo)xaz instantaneous velocity?

  A new car manufacturer advertises th10/ lanwfz0vdat their car can go "from zero to sixty in 8 s". This is a w1f0 z0dv n/aldescription of

  An object moving in the +x axis experien2)r 1bkjax;,jec,ho p zqb.i9 ces an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+j9j . t-ep,ew8/qedtix direction) begins to slow down as it approaches a traffic light. Make a statement concerning qj, ee8j-de.9 /twptiits acceleration.

  Suppose that a car traveling to thek)e-r1 ph0 f 6wmj6tjko80fxp West (-x direction) begins to slow down as it approac06-pkpjm80o 1 ekwfr6)jx thf hes a traffic light. Make a statement concerning its acceleration.

  Suppose that an objemnlj *hx*9 s0qct is moving with a constant velocity. Make a statement connxmjls* 0q*h 9cerning its acceleration.

  If the velocity of an object is zero, d pic/at0 j:khd44xcw2 ,ur 6dcoes it mean that the acceleration is zero? pxwt d62ucd4k 4a/jhcr :0 ic,Support your answer with an example.

  Can an object's velocity change direction when its acceleration is constant?a nyfqu6tx;5w ;ms,0 j Support your answerw0x nt;5f y6;ju,smaq with an example.

  Suppose that an object is moving :hacf+gp 8f :pdxu )i*with constant acceleration. Make a statement concerning itsd)f*p i+ua:cf:xphg8 motion with respect to time.

  Can an object have increasing speed whh 42r+iq;y7vh dl; jzn8g- olouw +t4d7t(gjbile its acceleration is decreasing? Support y;bzdntj;gu jd-2h oltv 7o( +qg84rhi7+ w4lyour answer with an example.

  Suppose a can, after an initial kick, moves up along a smooth hilcrvkpls z/s0lzutp:) - 7 -:nul of ice. Make a statement concerning its zpv/7)-cu0 ust-:pzk:rls ln acceleration.

  Under what condition is average velocity equal to the average of th m koq x51jk;tgcw :k)3m(t)rre object's initial and finakkj 3rco r1;mtq)( )m5tg:kwxl velocity?

  Objects A and B both start at j*p, xhp1axj8yw a-g5hq,rz *rest. They both accelerate at the same rate. However, object A accelerates for twice the tiy q-azp*w x,hjr p5 a*g,1hxj8me as object B. What is the final speed of object A compared to that of object B?

  Objects A and B both start from7c ,x*u k1zo:rc)yssb4 riqq in6m6. o rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the distance travele6y rc:isbro no*m176,siquz cx.q k)4d by object A compared to that of object B?

  An object moves 15.0 m north and then 11.0 m south. Find both the distance ty54iya)rdz +b raveled azr4ay5y+) i dbnd the magnitude of the displacement vector.

  A boat can move at 30 km/h in stilb. 48tzwr0a e f2zigq,l water. How long will it take to move 12 km upstre .ew4zzrfag 0b8t2q i,am in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 163w)95n atll+ ccm x6ws09 m)

  What must be your average speed in order to travel 350 km in 5.152-9i9 y hikwkra u5 sn(8; cvjlo5svy5 h?

  A runner ran the marathon (approximately 42,re-. vo+pobj.0 km) in 2 hours and 57 min. What is the eprj v.,+ob- oaverage speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to trj +7c;a)jnvdl avel 400 km?

  A ly (light year) is the distance that light travels in one year. The speed of 4:,h ,cleikbaligilb,4:a ke ,hcht 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 km/h along a straight rc6v x;n c55yzgoad and you look to the side for 4.0 s, how far do you travel during this inat655yx zcnv gc;tentive period?

  If you run a complete loop around an outdoor track (400 m), in 100uk;mb b+8 f)ay s, your average velocityy +); kbbmafu8 is

  A polar bear starts at the North Pole. p0 ,ap o qw-4sz1r3ddvkqzov /0 wdf*3 It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to red a13 0w,43/q q oz*dv-pzrkos0wpf vdturn 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 8dnnag9j0 qy 2eb,cd*1.0 km south, then 1.0 km east, then 9bdnq0ed2,ag jyn*c8 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 velocity?

  You are driving home on a weekend from schohl.rr x:p10 :gwawzv,ia 5qg 1ol at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after drivigw p0z1iwlx5:qr,hv1g aar :.ng 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. What is the aun h1;ey8dczo4; 6fx,xv5g wsu(- sca4yb f :wverage speed of the motorist for t;:sef-6h ,w 5w8bysgof uxx44 (1vn adzyccu;his trip?

  A motorist travels for 3.0 h at hech0g es 7k.bei3 1c480 km/h and 2.0 h at 100 km/h. What is her average speed for.h7eihce k b30sg1ec 4 the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 fzw:fm ;42u/u0bk cc kmi/h north for 750 miles. What is the average speed for the trkb ;0:/m 2wc u4fczfkuip?

  In a 400-m relay race the anchorman (the person who runs thxfwbr eb4pa9.k 1-.g ne 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. W.9f.r1ge bak xn4pw b-hat 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 9 s..ai g5,9agu ;xovwqj ; The car's average velocity during deceleration was 35 km/h. What was the car's deceleration whilev ;ug5g;ao .jw,i9axq slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average rate i 8tq-ksp6j) vsvp-;u of sp;-uj v-ts 86v)p kqi$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/hio+ha+ y cj d*x/ 0;pzh4lol0n 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 ao+ 6yitk +a9sdpcj. n(ccelerates 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 kteehm /az. -rty4d0q fo5**uh8ymg6 speeds up with a constant accelerationkum 6*fo.m40-ayeh* tet 85gqhzdyr/ of $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 6.7 m/s expe33a2 m1exauzr4 nc ho1riences a constant acceleration ofa13 2 oazh 4r1cx3menu $3.3 \; m/s^2$. What is the cart's displacement during the first 5.5 s of its motion?

  A bullet moving horizontally to the right (+x direction) with a speed of 491 mov.d(d5 jp:hx /s strikes a sandbag and penetrates a distance:h p(dx5jv.o d of 32.24 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is laun/id 1dytt:/x xched from 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 acceleration is constant, what is the length of the catapuli /:txdx1y d/tt?

  A car starting from rest moves with constant ac-ptm4qleuu +3x1 yf8*(sy e, xt;s opwceleration 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 4*v8vje8xgidpyr( z/a distance of 200 m. What is its average accp/j4vvr8dyz*gi 8 ex(eleration?

  An object starts from rest and )j ,* je*-7/n spgmwm4v3(yvi msel mlundergoes uniform acceleration. During the first second it travels 9.7 m. How far will il m4ljsiyp)7ngjm 3vwme,*m ev* (/s-t travel during the third second?

  An object is moving in a straight line with constant accelerationbuj,x:) 3vfbq. Initially it is travefb)x3 qj:vub,ling at 16 m/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 accelerates unif bir4 ;)wk1bbzormly 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 haxp*s on8jl e6+i4h 3can 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 qy- n8 qc f7)ve-gapu7light turns green, a car that has been waiting at the intersection starts ahead with a-78n )yfu- gq7qpcaev 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 6ks.,xytk74cy4 qm zn
(a) km/h,    km/h
(b) m/s ,    m/s
(c) ft/s.    ft/s

  A rolling ball moves fra0 yk1uqs3vql-e 8fglw5+s2n h3hu7com $x_1$ = 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 steadft6 j jjt-ew3jpg3x5;egycn5o0s9q /ily at 95 km/h for 130 km. It then begins to rain and you slow to 65 km/h You arrive home afx n-c tspqg05fj ge wy;5tjj3j96e/o3ter 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 ar*;s9uiq y 97u1. osjiy3etntv ound a quarter-mile track in a total time of 12.5 min. Calcuo 7tq su*e.s3iytv99;nyj iu 1late
(a) the average speed    m/s
(b) the average velocity, in    m/s

  A horse canters away from its trainer in a straight line, movi c,wggv ,q8mkk0r);fjng 116 m away in 14.0 s. It then turns abruptly and ,j)g wkcgkv 8,qmr;0f 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 of 790 km/h , and then encounters a s jtt))zw.t m0tlhq0 kj-kzl,rt6 (;odm39jqtailwind that boosts its speed to 990 km/h for the next 2800 km. lsd;tjqo6qt.tz(m9 r kt,lmk)z)3jh0t0 -wj
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-tjjy fb)/tl3ripv(6m) rip in which the outgoing 250 km is covered at 95 km/h followed by a 1.0-hour lunch break, and the returnrij 6p/y(tml b)f)jv3 250 km is covered at 55 km/h.    km/h

If one object has a greatia)ng u 8o03hp8gq4u +*d/wfc:aegm aer speed than a second object, does the first necessarily have a greater acceleration? Explain, uda3)a8fu/g:n 8*p+w gcuogamh 4iqe0 sing examples.

Compare the acceleration of a motorcycle that accelerates from 80km/ zi y/0 juz80eec+.thvh to 90km/h with the acceleration of a bicycle that accelerates from rest to 10k80.z v+ jye ecz/tihu0m/h in the same time.

Two cars emerge side by side from a tunnel. Car A idz2*yyng ;q+ sux . 3-ozbphh0s traveling with a speed of 60km/h and has an acceleration of 4qpb 20y3zgyu x.h* ohn+szd-; 0km/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 acceleratibnj7h8y d*xr+s3p+ziul ( kk;on decreases? If so, give an example. If njbzrks i yn+xu(hp 3k*+;l d78ot, explain.

Can an object have zero velocity and nonzero accelert1tds+s:x94fsvee 4dation at the same time? Give exa:4st td+ev9fs1xed4smples.

Can an object have zero acceleration and nonzero velocity at the s8z 1pzw*uyn0l 8 r;/ h;bjk 0jm*crjiuame time? Giveu8jr;/l1nmu8rjcz0 zbhjp yi*w*0k ; examples.