Suppose that an object travels from one point in space to another. Mak 2jau: 26uzdgje a comparison ujzua62 2dgj:between the displacement and the distance traveled.

  When is the average velocity of an 9q; fl2i1t+p ctd:wj9+olqp cobject equal to the instantaneous velocity?

  A new car manufacturer advertises that tci(aalyy ( cpl).q/q3o s vw.-a9t.cl heir car can go "from zero to sixty in 8 s". This is a descriptii cqlyyvlo q.c(/.-a.splw9( )a3 tcaon of

  An object moving in the h54bqq:duffrm4 c-7 q+x axis experiences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+xbu( 5ru70o) j.eg -g9hkqh csr direction) begins to slow down as it approaches a trafficejgr orc5q-k u)gu0.b7h s 9(h light. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x directionbkep epvv)uk0.r u:v;ph0r7. ) begins to slow down as it approaches a traffic light. Make a statement concerning its accelerk.)pk uv.urv 7 vrp0ep:beh0;ation.

  Suppose that an object is moving with a const5ju :dmuuj8s kn 34f1 kdgey/x6 :4sqdy;0anhant velocity. Make a statement concerning itsy45ns;e1kh 36nf:4d kg:u8u d s/jyua0 qdxjm acceleration.

  If the velocity of an object is zero, does it mean that thekda */7ns b kq9(wsmgj./zt7m acceleration is zero? Support your answer witsqw z( g* kbsnk.tma /dm779j/h an example.

  Can an object's velocity chang:dmizg wt v18hwcfd )31z4nq(e direction when its acceleration is constant? Support43q1) 1zw hfd8dn gvmic:w(tz your answer with an example.

  Suppose that an object is moving with constant acceleration. M-3v z(sfkgzv 6ake a statement concerning its motion zz- kvgsv6f(3 with respect to time.

  Can an object have increasing speed while its acceleration is decrel.zi ,k : /dgc0kbyru5asing? Support your answer with an exampk05:ci/yrl,g zdub. kle.

  Suppose a can, after an initial ;x6zv wp4 f9ugxs)x 8ikick, moves up along a smooth hill of ice. Make a statemev9x sw g 8x;)6izpxuf4nt concerning its acceleration.

  Under what condition is average velocity equal to the avera54/z5olwv(zq 8 uiwyuge of the object's initial and final v u4l/zzyuwo( 5q vw5i8elocity?

  Objects A and B both start at rest. They both accelerate at the sameul;1 7(dzt/r ulyz hi7 rate. However, object A accelerates for twice tizhd7; ytlu/( lr71 uzhe 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 bothyl8 q n4t );gb7+g 2 r8(tblukubu6qfw accelerate at the same rate. However, object A accelerates for twice the time as object B. What ib7 fuu8wn l+brbyq(t6u8gk;) gq l24t s the distance traveled by object A compared to that of object B?

  When an object is released from rest and falls in the absence of lt96 eif ny1m8 8pape:friction, which of the followim1lp 8:eye n869patifng is true concerning its motion?

  When an object is released from rest and falls in the absence of frict xwy5 m,:n6u79cr,ib gcr9gxiion, which of the following is true concerning g9ugc,y mr6i 7i9rw ,xc:b5 nxits motion?

  Suppose a ball is thrown straight up. Make a statement about 0poz 08 s9zovf1 lw37t )yybanthe velocity and vy olz 1o0pntsb a9wy7830fz)the acceleration when the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is hxd6qznkv37xw:dwdc vre i6g7 : 52y5 its acceleration just before it reaches its highest poizqr:73gidwx2d c5 5nv :k d 6e67vhwxynt?

  Suppose a ball is thrown straight up, reaches a maximum he aqoiw 7jxi ,)wtq5cqkm(p2 )4g-+tkfight, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball is going upwk)t c a,4mtjqwgx2i q7qo 5ki()-fp+.

  A ball is thrown straight up, reaches a maxim vhkxyfqoqqhy*bu)();;f- pas -;vj)um height, then falls to its initial height. Make a statement about the direction of the velocity and accelerationjqoqk )pvuab( h)sy*hv-;)f qxf; ; -y as the ball is coming down.

  Suppose a ball is thrown downward in the absence of air resistance. h00io-fie9me;jqru 3+h c4 glMake a statement concerning its acceleratiu 0q 9 +m ;ifhorih40gelcj-3eon.

  Suppose a skydiver jumps from a high-flying plane. What is her acceler5nuj x/tz0lhmzaaoxog l2.a4v 3n00 1ation when z0a g mz /ov n l5003nahjoxa2u1xt.l4she she reaches terminal velocity?

  A ball is thrown vertically upward with a speed v. v3z3 whwd gf+1zzu e66An identical second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maximum height of the second ball to that of the first ball? (Ho6h+6zdf1zzu 33we wg vw many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of a building. One second 7 gsf21me4mzn7 2jrj olater, ball B is dropped from th7rm jn2 gs1je zfo274me same building. As time progresses, the distance between them

  Ball A is dropped from the top of a building. One second later, ball B ino1c*as l 7xo,s dropped from the same buildio71nao,s *lx cng. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a tall building. One is thro imsa2a+t3q1tqnl/-z 8; d zco d0ozb,wn up, and the other is thrown down, both with az-;dlm+/nc 2d,zt0oqit zo1sbq8 3a the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a building. A second brick bf y6qu(v+rq( is thrown straight down from the same building. They are released at th yfq +uvq6b((re same time. Neglect air resistance. Compare the accelerations of the two bricks.

  An object is moving with constant non-zero velocity in the +x axis. Thqd05wt( 0z2*cr6yub h*unx kse position versus time graph of this object*yk 60sw(u* nu txbhc5q2d0zr is

  An object is moving with constant non-zero acceleration in h7ez n7 goya*9gk -w4.h f ot)2,fjudx+f(pggthe +x axis. The position versus time graph of this oj yfg+z fgxk7a.7*t42ghdhon9-pw( ouf )ge, bject is

  An object is moving with constant non-zero velocity in the +x axis. The velocin )g9nnul vf j5lr;w/trec4+c.u b6:l ty versu+6c/tu9fc:r5w4) nu ;evb. nj n llglrs time graph of this object is

  An object is moving with constant ck//:; nup8fmb k v5qh2e;igonon-zero acceleration in the +x axis. The velocity veru ;p/nqmo2k cg5v hf8; /:ekbisus time graph of this object is

  The slope of a positionil 0;fcs m*9b 2.i+nwjz8yh z8)epr up versus time graph gives

  The slope of a velocity vet;0k ob2wy/ xrnv6gs2t )dd f8rsus time graph gives

  The area under a curve in an acceleration versus time graphlg:w m rm cgmeov2.581 gives

  The area under a curve in a velocity versus timehq1t64b5ak a s graph gives

  If the position versus time graph of an object is a horizontal line, f1h/fw et/u -o sjpe0.(fh:h rthe object i.ou jhsf /p/rhtw-e(01e:f hfs

  If the position versus time graph of an object is nd0 4d,rcgl a5a vertical line, the object isgl,ca0rd dn54

  If the velocity versuap pi;)yie c3 h nswvs12dl37+s time graph of an object is a horizontal line, the object ve7in);+3 a 2lpw h3sisp1yc dis

  If the velocity versus time graph of an object isw.m c (x/bro:m a straight line making an angle of 30 degrees with the time axis, the objec/m:mo bw xr.(ct is

  An object moves 15.0 m north and then 15ry :3f*nhnj 5k4mo8ff q+euq1.0 m south. Find both the distance traveled and the magnitude of thejq u :rf*kn f453+ohmfe yn5q8 displacement vector.

  A boat can move at 30 k 5+ t+uyppp59ojth *ctm/h in still water. How long will it take to move 12 km upstream in a river flowing 6.0 kcytpp+ +hoj u9 *5tpt5m/h?

  55 mi/h is how many m/s? (1 mi = 1609 mb7(,yjfn 7:2,gp0 onvuw2 evsl*xd is )

  What must be your average speed in order to trave0;t-zb37u5 w7+x uss (b y4cbqjdcpk bl 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours and 57 min.2r(l ) figgh9m What is the average speed of the runner in m) fg9rhi(2lmg/s?

  A car travels 90 km/h. How lu5fkvd-nn.)6b. gww* oy y z9oong does it take for it to travel 400 km?

  A ly (light year) is the distance that light trave,* piyq56ltgc.8 0ldof g7rfgls in one year. The speed of light is 3.00 x 108 m/s. How many miles are there in a ly? (1 mi =df*8 g 5pl. fr0 q,cg6gotl7yi 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h .cj) tofkaossv3o)i n) -5o t(along a straight road and you look to the side for 4.0 s, how far do you travel during this inattentit -os())ok) it sjao .cno53vfve period?

  If you run a complete loop around an outdoor tracqzd 2v1 57ev .wjla.irk (400 m), in 100 s, your averajziw1q ae5r 7.v2.vdlge velocity is

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km eas5v5 7r :ofp7)ybpgyljakve8 v)tal: /lf l /g1t, then 1.0 km north, then 1.0 km west to return to its starting pointy/t75l)a/ b gyeplj :o5v1vfvk plla:f7g8)r . This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It travels 1.0 ktry-:cc 9aygijp j4y hx h 9v41;at,b*m 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. What was the bear's average vel,r4 av-h*9c:ythc1atxi; 9y gjyb4pj ocity?

  You are driving home6q3ugr7u3 8 i mz3venzgvi 12i on a weekend from school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 2ige8 i3ir31u6n73gvm uqvzz 4 hours and 15 minutes. How far is your hometown from school?

  A motorist travels 1 3gmmbz; lj*e560 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the mo*z jm;emlb 35gtorist for this trip?

  A motorist travels for 3.0 h +1;(q)f chzj.jp jvcp4*oima at 80 km/h and 2.0 h at 100 km/h. What is her average speed for the tr ;)pai.(hv+ 1cjozj* mfqjpc4ip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi9-zbhfly u9d o 2t;ctu)53jde6 pv.s v/h north for 750 miles. What9)e39pt; hdv6jubzyfu c-vs5d.2lot is the average speed for the trip?

  In a 400-m relay race the anchorman (the perso/m oq9b2tm cal*n+yu gy*18oh n 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 /+ 1y9og8t bc*nmqyau ho 2l*mrunner 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 afi 0 b0w)ggsvp4ib(xe o y;z:q* *+hyvoter 10 s. The car's average velocity during deceleration was 50 km/h. What o+;s v:ye(y0ghbzi *0g ipb w *qv4ox)was the car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to)e 7y6u7tdo i. i4hsmajx3pi, 160 m/s, at the average rate of uia3 t,xp j i4sohymd76)7i e.$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerk,o k(7+aqh s/euz( vlates 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 anacy94 a qw*zz-d 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 0 *dnst4u/.(utksko ,aw/lda then speeds up with a constant acceleration*/nssldkk4 au/.0ou(a dt ,tw 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 5.0 m/k3bk 6to9ob4es experiences a constant acceleration o6 b3bo ekk9to4f $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x direction) wi3 fr mrf ffgaged4p,,b 0:)w;rth a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. Wha w4ad0:ge3fr,p,rfbg ;rf mf)t is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catap ddm5voaowhl4fmd812 p4 z4h.ult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. a.w d54pzo81 d2m om4dvfhh4lAssuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest moves wlcxq,fl7 7p;qqec- ( bmj m.4xith 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 mu 9 wo gdq+zlyg;,+lz5/s to 80 m/s in a distance of 200 m. What is its average accele9+u q5yl zd+lz ;g,wogration?

  An object starts from rest and undergoes uniform acceleration. During the*.vo6lul8s 2ip*y grff ( fm6r first second it travels 5.0 m. How far 28lyog 6u6rvpiff*s.rm *l (f will it travel during the third second?

  An object is moving in a straight line with con/ zpelqinhfn:/sb9,f45ds7a stant acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. q4ns an9bi/ ,ff5le/ds:hz7pHow far does it move during this time?

  A car starts from rest and accelerates uniy+ a( c gzwl-wxni5u2+formly 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,d9 ,/aempkf-6l siaad 3ur7g road 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?
(b.) What is the stopping distance?

At the instant a traffic light turns green, a car tqk4 rnxja 5do1+s99hbh7,sou hat has been waiting at the intersection starts ahead with a constant aoj51+h7ubh na ,qok 4s rd99xscceleration 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.
(b.) Calculate the distance beyond the traffic light that the car will pass the truck.
(c.) Determine the speed of the car when it passes the truck.

  An object is thrown upwa to eo7cer2q4 by.95s-mkisx;rd with a speed of 12 m/s on the surface of planet X where the; c2set5mkx. r iqy4o9es b7o- acceleration due to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upo,qx:a 6 y0sokward with a speed of 12 m/s on the surface of planet X where the oy0 : aqxko6s,acceleration due to gravity is $1.5 \; m/s^2$. How long does it take for the object to reach the maximum height?

  An object is thrown upward with a speed of 15 m/s on the sur 8vii1qa8 ,z 8tjgypmvp h*y+9face of planet X where the acceleration y a9iy8z8mp8, tg*q1hjpv+vi due to gravity is $2.5 \; m/s^2$. How long does it take for the object to return to where it is thrown?

  An object is thrown upward with a speed of 14 m/s on the surface of plak1ba5.l b)v wenet X wherekw)vbab1 .5e l the acceleration due to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually greater than 0.10 s. If2s64nav rx hg(n5tn1jh2.ly v your friend holds a ruler between your fingers and releases it without warning, how far c j5sh.2y46agn v1ht xn r2nvl(an you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. What is its velocity aft g9i-zm vp0mx+7asm1eer 3.00 s?1z s-vi+mpg0eax7m9 m

  A bullet shot straight up returns to its starting zmrv y)tm+j5-z l7fl(point in 10 s. What is the initial speed ol)- 5rvztlm +yzj7mf(f the bullet?

  A ball is thrown straight up withx bcnj;;. qkc7 a speed of 36.0 m/s. How long does it take to return to its starting poinx;c;.kbjc 7q nt?

  A ball is thrown downward from the top of a building with an initial speed +h9zuiquw l-0of 25 m/s. It strikes thez lqh 0uw9i+u- ground after 2.0 s. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only fill in nup2l: dvn5co lm(qu(u; merical value in the blanks)(n:u 5u2d( cv lm;oplq
(a.) How long does it take the ball to reach the maximum height?    $s$
(b.) What is the maximum height reached by the ball?    $m$
(c.) What is its speed after 4.2 s?    $m/s$

  A foul ball is hit straight up into the air with a s /kk 5b zvta/yiugt81aea;*v)uw ktx2w73wy -peed of 30.0 m/s. (only fill in numerica 1 kyw/3b w5kat 2tv yg8axt/ ukw;z*7eviu)a-l value in the blank)
(a.) Calculate the time required for the ball to rise to its maximum height.    $s$
(b.) Calculate the maximum height reached by the ball.    $m$
(c.) Determine the time at which the ball pass a point 25.0 m above the point of contact between the bat and ball for the first time.    $s$
(d.) Determine the time at which the ball pass a point 25.0 m above the point of contact a second time.    $s$

  In Fig. 2-1, what is the velocity v4whc 2z 1kcnpml e- m5 q)dl((;c2xpbat t = 1.0 s?

  In Fig. 2-1, what is the velocity at tzacv2um ; t6p+ = 2.5 s?

  In Fig. 2-1, what is the velod-u :w rery y x y/jmea9/87;yu9p0fegcity at t = 4.0 s?

  In Fig. 2-1, what is the velocity at t = 5.5 s?jmo+sqcai..p:ek: p2

  In Fig. 2-1, what is the avj; h6j1xkt) x+icc:zierage velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average:k(xdvwbjy6 :j6f s 3a velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleratiofcpaeqe1 p3bdu40.x.n at 1.0 s?

  In Fig. 2-2, what is the acceleration atstdc;j4r p1w2 3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 5.0 s:a*q u-ov-y 0rag)s: lz1xmkai) m-ee?

  In Fig. 2-2, what is the average acceleratio,wv4m9b3mtuu 0c3*uou a m+ubn from 0 to 8.0 s?

  In Fig. 2-2, what is the displacement from 0 to o3tdu7axa (b/ n8 s,*szmcxd98.0 s?