Suppose that an object travels from one point in space to another. Mwrsfyngu-yw j 10 ./-xake a comparison between.gyr -n/y wx1f0u-swj the displacement and the distance traveled.

  When is the average vels,b /t q.wawj1ocity of an object equal to the instantaneous velocity?

  A new car manufacturer advertises that their car cl;zft+i4 j 000vtamqvan go "from zero to sixty in 8 s". This is a de00t+z ftj4qv;livm 0a scription of

  An object moving in the +x axis expef2n : skcu84qqwp/sq)riences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begir z.-uktp n00sns to slow down as it approaches a traffic light. Make a statemenzpn0t-u 0s .rkt concerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow down as igdv s4q50 5 fnwayfj-4t approaches a traffic light. Make a statement concerning its accelera40y -as5gwvdf45 fnjq tion.

  Suppose that an object is moving with a constant velocity. Make a s:qvhhtd3rfj6(h 6c459 gl-s g:wgns gtatement concern3d nqtc9(5:fghwhg:jgv6 l ss64 hgr-ing its acceleration.

  If the velocity of an object is zero, does it mean that f*jl//lbxq4x, .rd exe. sif1the acceleration is zero? Support your answer with a bjld*fflr.41eq/sxi.e x x/,n example.

  Can an object's velocity change f331*qh jzok j c*,7h9debxpldirection when its acceleration is constant? Support your aqoje z91pjb c3,h3* fdh* 7klxnswer with an example.

  Suppose that an object is movin6m e2a88h kguvi9ib cva4(d6ug with constant acceleration. Make a statement concerning its motion with resuh 8(62umbk4 a86cdgiev a9vipect to time.

  Can an object have inchejr( b2u 6ppqmuq iou,q02p1d 0.4f ereasing speed while its acceleration is decreasing? Support your answer with an e.uqqup2q0rep 0m2phu(ij f4d6o ,1b example.

  Suppose a can, after an initial kick, moves 5m5k4vi*pa0 ccpe*g mgt2gf ,up along a smooth hill of ice. Make a statement concerning its accelerat,gmg2ck5*c4m vie pp f0g 5*ation.

  Under what condition is average velocity equal to the average of yz.o mp1+7hp:de c8xothe object's initi dxo p +mh.oz8pc:y7e1al and final velocity?

  Objects A and B both start at rest. They both 5 ;gwdq21sp qfaccelerate at the same rate. However, object A accelerates for twicesqgp1f25q ;dw the time as object B. What is the final speed of object A compared to that of object B?

  Objects A and B both startt8qhq-ecb0j4d9 w at fw;2mi , from rest. They 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 compared to that of objeqw;b0ji-9mqdat48,2we htcf ct B?

  When an object is released from rest and falls in the absence of friction,jp*uvm4q:t.fkh1/t p which of thfv.1hj 4tu:pp mq/*tk e following is true concerning its motion?

  When an object is released from rest and falls in the absence of frictio2qybo2 t (g(pjn, which of the following is true concerning its mp2qb(o y tg2j(otion?

  Suppose a ball is thrown straight up. Make a statement aboutrgi)4c+ uwgg/ the velocity and the acceleration whenugirc)/g 4w+g the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration just bef4qsog o4n.cu vib +9x1ore it reaches .4b+u gqxi o4vo9 s1ncits highest point?

  Suppose a ball is thrown straight up, reaches a maximum height, theqv9p)jz dcys .))wuw 8n falls to its initial height. Make a statement about the direction of the velocity and accecqp wuysj ) vw89z)).dleration as the ball is going up.

  A ball is thrown straight up, reachyqqoh7 b6*f(e6d rl 0kes a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball is coming doqo6q *bkh0le fd6r(y7 wn.

  Suppose a ball is thrown dow ,zi8q ma js1yo-rx nu+y0*ej-nward in the absence of air resistance. Make a statement coeax -i *y qumoyzj0- nr18+,jsncerning its acceleration.

  Suppose a skydiver jumps from a high-flying plane. .ihsb2u:l wi* What is her acceleration when she she reac:h*bwl uisi.2hes terminal velocity?

  A ball is thrown vertically upwabzlucvcs(h005f 5z;s re)8 r ord with a speed v. An identical second ball is thrown upward with afrlc5s0 boz;r05 ec(8u s vzh) speed 2v (twice as fast). What is the ratio of the maximum height of the second ball to that of the first ball? (How many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of a buildrp*+any .b0me d-km1.pj7bof 8 *dpvcing. One second later, ball B is dropped from the same building. As time progresses, the dist0y+ ejfc*dn-m1mkar8 bbp7d..p ov * pance between them

  Ball A is dropped from the top of a building. One second lat5o ( umq+t6caper, ball B is dropp+5uapqoc tm (6ed from the same building. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a tall building. One is thrown up, b) n9e5w2ny *ebn 0kirand the other is thrown 5bew)r9kyen* ni2nb 0down, both with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from theofr9/(busii*ciciz r 9c- r+) top of a building. A second brick is thrown straight down from the same building. They are released at the same time. Neglect air resistance. Compare the accelerations of the tcr+ 9(ii c/o-9)i*u crbif rzswo bricks.

  An object is moving with constant non6u ) ,z.1 ndee)lsdaqd-zero velocity in the +x axis. The positiona.ze1 e dns ))uq,l6dd versus time graph of this object is

  An object is moving with constant non-zero+gs xo(j17fxs acceleration in the +x axis. The position versus time graph of this objejf+g (o1xsx7s ct is

  An object is moving wit9zsuc9m(:h2( si ew k9p agp:vh constant non-zero velocity in the +x axis. The velocity versus time graph of this objep ke2ui c9swz:(: (p9v9hamgsct is

  An object is moving with constant non-zero acceleration i bsv69 4zcp,o;t er(x*qirsr8n the +x axis. The velocity versus time graph of this8rpr*v(b9 s s zro;et4cx6,qi object is

  The slope of a position versus / ap;p ii;rye1time graph gives

  The slope of a velocity versus time graph give vi38bq74j .d3tbrg d9ds4egns

  The area under a curve in an acceleration l qq/xhk.g 31je oz2v:versus time graph gives

  The area under a curve in a velocityb nqcoayon*l3op6ev.-* e (5s versus time graph gives

  If the position versus time graph of an object is a horizonb-u*d(9 b:g6l;hfe g4 xvbilntal line, the object e u-(d* gihb x94;vgb6 fbn:llis

  If the position versus time graph of an object is a vertical line, the object;d 0/ rbvd +-)ru/sxcti j2vu1nbhrm) is-c u)nb;/ti )sr+h /0j2d m rrxvdub1v

  If the velocity versus time gr; kthw x)80lzr ak3:msaph of an object is a horizontal line, the object isskhrw3l;x)tma 8kz 0:

  If the velocity versus time graph of an object is a straight line m7( m mo:.x4vni66a eri oasov-aking an angle of 30 degrees witho- esmxr(ia 64v:ma.i voon67 the time axis, the object is

  An object moves 15.0 m north and then 11v )-8uh5s6ki q ch:sqm fcr5o5.0 m south. Find both the distance traveled an-hc5qvhic6: ro8u5 qsms f)5k d the magnitude of the displacement vector.

  A boat can move at 30 km/h inwl m7r85arb)b8,z wda still water. How long will it take to move 12 km ups ,ab8wd)rw7l zm8b5artream in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1id4 v)581qeqwl 1cuqj609 m)

  What must be your average speed in order to travel 350 km in 5.15 hlz:tnivjp +p4n.2 y -)s,f mux?

  A runner ran the marathon (approxin/a u1jg st9cxt: gw2xzg:96wv8d0iimately 42.0 km) in 2 hours and 57 min. What is the average speed o g/: vij2 xtwgu0ngzs 18wtcx9:69idaf the runner in m/s?

  A car travels 90 km/h. How long does it take for it to travel 400 6j5a 7zitwx dsgzscc( 951jf7km?

  A ly (light year) is the distance that lisv9a n7q b/g5ight travels in one year. The speed of light is 3.00 x 108 m/s. How many miles are th vg7b 5/9naqsiere in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a st7wf ; ,1ihsxuuraight road and you look to the side for 4.0 s, how sf,7ixu;w1 hufar do you travel during this inattentive period?

  If you run a complete loop around an outdoor track (400 m).,iblr3. kq3dr3e5;l a 4emyzh t8rij , in 100 s, your average veloc3q k 8a terb i,3;yjz.ml5erl4.hi 3rdity is

  A polar bear starts at the North Pole. It travels 1.0 km south, ttn,:9q3svk8l s8r mtj2 q+byvs*5 srnhen 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. This trip takes 45 mr ,jts8ns+3v qbvym ql s:ks25r*t89 nin. What was the bear's average speed?

  A polar bear starts at thk) 0eabrua.w :6ighszy(s .j* e North Pole. It travels 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. What was the bear's gj 6:yzbw rsh.*k.0aueas) i( average velocity?

  You are driving home on a week)w7ftnc l md /34dh6:qs:fzw3olat 4zend from school at 55 mi/h for 110 miles. It then starts to snow and you slo4:6wd fwzh3stc4a37oqnlf / ):dmltz w to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 km/h and 160 v1fc9t6 c fmekzb7n6ymba: 2(km at 100 km/h. What is the average speed of the motorist for this tr671 czmen:t92 ck(6bbymfvfa ip?

  A motorist travels for 3.0 h at 80 km/h an:u dlp7t.die 2dsm 9 zwm5(op6d 2.0 h at 100 km/h. What is her average sod27zpdsmue 5. d:6pl9( mi twpeed for the trip?

  An airplane travels at 300 mi/h south for r r88l(nxhei*;5daou 2.00 h and then at 250 mi/h north for 750 miles. Whareoril(8hn x5 8;a*udt is the average speed for the trip?

  In a 400-m relay race the anchorman (the per/jvi9n:s7vb b)gn7vc8my -dfson 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 rg) bfn:n/s- di78c yvv9j 7vmbunner not lose the race?

  A car decelerates uniforav .wew8h3 /s1ft(o mbmly and comes to a stop after 10 s. The car's average velocity during deceleratio v13b./ (wta hwms8foen was 50 km/h. What was the car's deceleration while slowing down?

  An airplane increases its speed from 100d5q ,gizzfe8) ub /rq8i8 5m v*d3dtes m/s to 160 m/s, at the average rate of 53d/div5 *) fe q8d e8trusbqgzi8zm,$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at thewrd39i4hk ) lf 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 accelerwq xhj: 3h*am*ates 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 with a constant accvbhi48ejo .dq n,-7nieleration oq ,7nij-e idn o48vbh.f $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 m/s experiences a constant accelhc7 3dkff, 1hberation of,cdkh f 13bfh7 $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x direction) wy;,(e*iq,mu uq6cm:qc m4 nx( q(cfofith a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the average accelerqc*e6qcc((mu: f yo 4mn,;u x,mfq(i qation, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircraft carrier 9mhv2va kdx 3bu0v5z/. It reaches a speed of 42 m/s at the end of the catapulx zka 9ud2h 0v5/3vvmbt, 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 acc d1iaqw*6;jpc2 b-jqtz4zr m 3eleration 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 a distance of 200 m. What is its/ cje9q1ofl( r average acqolj 9f(e/r1cceleration?

  An object starts from rest and undergoes uniform acceleratimna258 4 bi9wknzy lb4on. During the first second it travels 5.0 m. How far will it travel during 58nwy2blabk 4 9im4 nzthe third second?

  An object is moving in a straight line with constant acceleration. Initially itwnwd38gny a0 1u05w ps is traveling at 16 m/s. Three seconds later it is traveling at 1nayg00sw8w3uw p5d 1n0 m/s. How far does it move during this time?

  A car starts from rest and accelerates uniformly at vtp0 t5q,t fgyww( uv:lj+13o$3.0 \; m/s^2$. 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 tiresaixex.t pk;(o+zhop.fqa5 bjq( /r 9;7qhu v. on a dry 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 that has been waita *vys 9,iyrl2ing at the intersection starts ahead with a constant accele2 syvria 9y*l,ration 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 upward with a speed of 12 m/s on the surface of planet X whe1jxq(zxhy0o4u) 09,aoq uin tre the acce 9q00juqoh xizt( auy),1o4nxleration due to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a speed of 12 m/s on the surface of planet X whf -(mkxb:w9 1 wsabpwn)6pua6e-pma6(:f1ab pbn)69xw uskwwre the 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 surface of pli1vky xw(yn)3t* (xeuanet X where the acceleration due tk((in) xyyxvt u3*we 1o 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 surface0s6.i cqv 8rvr of planet X where thei6s .qvv8cr0 r 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. If youru 7*bn)b 3qj l qsz/bar)y.ym4 friend holds a ruler between your fingers and releas bbqsjqu)l3 aby*y4 ) /nm7z.res it without warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. W oelx3 idu0g5,4 urlp9hat is its velocity after 3 pl i ,olur95xu03ged4.00 s?

  A bullet shot straight up returns to its starting poinhpm1jj6ooz cn,f-0:vzu n5j 7t in 10 s. What is the initia j5vcof-zjohu:mn0pj, 7n6z1 l speed of the bullet?

  A ball is thrown straight up with a speed of 36.0 m/s. How long doe 6(e/fvsodkt- s it take to return to its starting tdv6/s - f(okepoint?

  A ball is thrown downward from the top of a bz7c f;v:hzdw+ uilding with an initial speed of 25 m/s. It swcz:;+7zhdv ftrikes the ground after 2.0 s. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. ( tk/oi2( kmi.lonly fill in numerical value mio(i.2/klktin the blanks)
(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 speed of 30.r4cg+ bz:rrg. 0 m/s. (only fill:+4g gr rzr.cb in numerical 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 1kckq8ppegwe9:eoi), h c 6u9 velocity at t = 1.0 s?

  In Fig. 2-1, what is the velocity at t* wj f;;nt+;xgov efo, = 2.5 s?

  In Fig. 2-1, what is the velocity at t = 4.01hk7bxf1j/1 cib,n f k s?

  In Fig. 2-1, what is the velocity at2qe9o6zl op3r t = 5.5 s?

  In Fig. 2-1, what is the average velocity from 0 to 4p 7j- 4qdxga50xj -jun.0 s?

  In Fig. 2-1, what is the average velocity f /k/3mq:y(af;wtjs. lrj9 ezn rom 0 to 6.0 s?

  In Fig. 2-2, what is the accelwgw32 :svm /vheration at 1.0 s?

  In Fig. 2-2, what is the accel( 4ej8gnd,fh.ko :tdzndot/ (zcl y0-eration at 3.0 s?

  In Fig. 2-2, what is the : sdf).lvtas,kzj2+x average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the a8to/*s + s2v .s fg9etxpe0tzqqmd:v8verage acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacz)qv/q5u o 7bqh8o0a lement from 0 to 8.0 s?