Suppose that an object travels from one point ji. wo0dy60/iw a xn5hin space to another. Make a comparison between the displacement and the dijh0o.iwyna6w i5 xd/ 0stance traveled.

  When is the average velocity of an object equal to the instantbuik1//v z0osf s5i4zaneous velocity?

  A new car manufacturer advertis 1mlx ah2oz1( jfx0gvz 4z+tmx5a.fb6es that their car can go "from zero to sixty in 8 s". This is a descrix gf+6v fzj4zx1tm mz52lox(1a0.ah bption of

  An object moving in the +x axis experiences an acceleratikhsq dlhxb zg.(0g 553on of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begins to slow dom7c dawzt 3/aqk .9cs1wn as it apq zwkam.c a3ts97/c 1dproaches a traffic light. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow down bvo;d8znb;8x1d o n+vv 4b*nnas it approaches a traffic light. Make a statement concerning b8on;nxv8odn nbb+vz * 4d1v;its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statement 7 u6jgal/4q m-be:vushsmerx+u; z7:concerning its accel-+heq::usuub ve7jmga/;6sm7 4xrl zeration.

  If the velocity of an object is zero,ei rog70s8(q r does it mean that the acceleration is zero? Support your answer with an0erir7(g q 8os example.

  Can an object's velocidog5,(fa6s xde,z*z iyu+ 2u bty change direction when its acceleration is constant? Support your answer with an examplo(idy, 5uud ,+26gfszx ezab*e.

  Suppose that an object is moving with constant acceleration. yt 4epm2u-ol19nlxp rc0 g ;1tMake a statement concerniy1ll-2c g tup4temn r; x10po9ng its motion with respect to time.

  Can an object have increasing speed while its accele :2z7vwr oc9hepr:e h-ration is decreasing? Support your answer witze7:w re- cr2h9hpv:oh an example.

  Suppose a can, after an initial kick, moves up along a smooth v bywomc sdbv16 h179l1px(a;jnb, 9p ,z .kabhill of ice. Make a statement d1x va,7k1( jazp 1hc;nbm,6y bslv9b p 9bw.oconcerning its acceleration.

  Under what condition is average velocity equal to the aver:s wctriyg5h0mdl :.,age of the object's ini5cs h:gw.ym d0: l,rittial and final velocity?

  Objects A and B both start at rest. They both accelerate at tm,cw uur 7s3f -5f1vcmhe same rate. However, object A ac fw5um,c -rs1muc3v f7celerates 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 frot 2 zs(wjyniv.qt g 57/c9-yafm rest. They both accelerate at the same rate. However, object A accelerates for twice the t79 /fy(yscw -jqvina t t5g2z.ime as object B. What is the distance traveled by object A compared to that of object B?

  When an object is releasedgnsm.pfv v 12/mqt6 mpo*(ue: from rest and falls in the absence of friction, which of the following isev/o1vs*.fmqug mtn2m p 6(:p true concerning its motion?

  When an object is released from rest and falls in the absence of frictiowteru(0290t +6kwaks,u naa an, which of t0w,e w2nauts+0a9a6aut(rkk he following is true concerning its motion?

  Suppose a ball is thrown straight j+4ai2d6(fmv+zw xgqup. Make a statement about the velocity and the accelq4jw+ 6d ixmfz2a+ (gveration when the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration just before*u2okc0 )g2aij5 asxr it reaches ic2uj2)5*agirxo k0sats highest point?

  Suppose a ball is thrown straight up, reaches a mat )4sm- uk4t.twi1k rnh* d7ldximum height, then falls to its initial height. Make a statement about the direction4- k .7t)wdmlstr 1nt hui4*dk of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum height,hn4r arx6 +2rsux1h9f(ask f/ uc.xr 3 then falls to its initial height. Make a statemr(rns4uxasxr+ 63fk9fra 2 /hch u.x1ent about the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in the absence of air resistanmjihmdg p3;/a +;o q7a6wjb- fce. Make a statement concerning itj;qoaa/w -+p3 gm7f6 jhd;ib ms acceleration.

  Suppose a skydiver jumps from a high-flying plane. What ies*)dw7f4ngq qrj j4 gx;//ons her acceleration when she she reaches termin 47wedq ; q/)xgr */snjoj4fgnal velocity?

  A ball is thrown vertically 6gbk 9qyxr7d i-3xsd 9upward with a speed v. An 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? (d67g 9rdx9x -3 sbiqkyHow many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of a building. zl 0( fqh7ed+;t:s31enw 9,cd cry)hzj2pjzz One second later, ball B is dropped froh:)s t9ycwzjqezj df 217l prz+nzh, c(e0d;3m the same building. As time progresses, the distance between them

  Ball A is dropped from the top of a building. One second later, ball Bbhfug/h1 z-h q0. ist- is dropped from the same buildinz-huhf.0bgshq- i1 /t g. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a tall building. Ona1o)9y +zhe*8nn+ onpdpjc i p)cc8+e e is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit theo +)cnh zni )pe+ 9*ycdj+1en88oapcp street?

  A brick is dropped from the top of a gr c;ym,e,h)j keomn5 - 9aewgipivw76n18 9dbuilding. A second brick is thrown straight down from the same5a6o7i wei gd 9ckw-v1)emry89 n;,,nhejmpg building. They are released at the 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. The positiofru94gmpwfq)-i +5lf n v-+pwmgf fr qi94uf)l5 ersus time graph of this object is

  An object is moving with constant non-zero aa b.u,* d ;h(e.rapgkjcceleration in the +x axis. The position versus time graphukp..e b,a*dg;rjh( a of this object is

  An object is moving with constant non-zero velocity in t 1n gwu+ yu8t*+vmc+;hou5pmj he +x axis. The velocity versus time graph of this8+*hjny gm5uuv+wp;1o c u+mt object is

  An object is moving with constant n1sdscv8(z : nfon-zero acceleration in the +x axis. The velocity verscz:s(fn8vd 1s us time graph of this object is

  The slope of a position versus ty6st7hh)osit l s.bgd3/;7gh ime graph gives

  The slope of a velocity versuen2sa9 n krb*/s time graph gives

  The area under a curve in an aypddma)ouoyt aie8 -7+c m26o)4aun .cceleration versus time graph gives

  The area under a curve in a velocity velmm5dwh yfcj 1kboed+4 h 8m3)z ,cs;6rsus time graph gives

  If the position versus time graph of an objzok a1pn vie;8t d58m.cc 3,tpect is a horizontal line, the object n. dcaeo pcv8m,z 8i t315kt;pis

  If the position versus time graph of an object is a vertical line, the object io 0da q19bt wq,.k z((xdle04pyyyyj0s4wyox. dkq 1byjzq9 a0yy td,pl(00(e

  If the velocity versus time graph of an object is a hor: ys *ch4jkf2vizontal line, the object isvy2f c j:s4kh*

  If the velocity versh 0xdrs. 8hqt(us time graph of an object is a straight line making an angle of 30 degrees with th0h(hdrxtq.s 8e time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both the dista:ch js-poxuetgbj6j,) m0 )q4nce traveled and the magnitude of the distq0omue 6xhj-j)b,jp 4 :c gs)placement vector.

  A boat can move at 30 km/h in still water. How long dav o *c;fotaj;)9fu0mk4 ,rg will it take to move 12 km upstream vk9,*o4fa gd joft;0 arucm );in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi+zk4dle.p ady sc((9ue u+2ph = 1609 m)

  What must be your average smbt .,c:iov.3;8tvwoc bzs:yqz ) zv .peed in order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 5 fmx:;p dbl f2ocdj/399gdyl hours and 57 min. What is the avcof3pd/ b5mx:jld2; d9 9lygferage speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it tof-mwgaoa/-.q 93ctw b travel 400 km?

  A ly (light year) is th f03 qmm3th4.x w6lqpwe distance that light travels in one year. The speed of light is 3.00 x 108 m/s. How many miles a 6w4.fmmwh3 0 ptqql3xre there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road and you look to the side for 4*p1f/n58zkufo u0xta:sb sm4 .0 s, how far do you travel durin k1p b0sau f:8oxzu5m f/s*4tng this inattentive period?

  If you run a complete loop around an outdoor trac*be* *ff1)k,pq-m3 pwwhdcce k (400 m), in 100 s, your average kefe1 3wq, fd*m*p- h*cbw)cpvelocity is

  A polar bear starts at the North Pole. It travels 1.0 kub j t tqth,avau,gt0,j;k142m south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. Thh ; av,u4ktu,a,jt 0tb gqtj12is trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km z oluov7ho 8t-7 dvby(zlr53,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 vu,73z(zo7b5oolhlvd v-yt8relocity?

  You are driving home on a weekend..xua w/xd)w b from school at 55 mi/h for 110 miles. It then)buw a.w x/x.d starts to snow and you slow 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 t/xp- aoqq8mny 0h7z* km/h and 160 km at 100 km/h. What is the average speed of the motorist for thi-op/y0qzx7haqn*m8 t s trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is he wcz5mtej7 v5fxg4v.m is- n;+r average 7-v i4tsvcz5nemmfj .w + ;gx5speed for the trip?

  An airplane travels at 300 mi/h south for 2.00 h abw3us1tb5* e p+hw1if nd then at 250 mi/h north for 750 miles. What is thewe+ft1b shu3 i5*w bp1 average speed for the trip?

  In a 400-m relay race the anakv6 2e w5gym c( aro-a/hpn) 2vfeg/,chorman (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. Wreo6acf -ykg2/v/2wgmanva ,5he )p( 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 aftvvw :29d;p/f frs 6u1damc4rf er 10 s. The car's average velocity during deceleration was d6urff/ s9pa4:dvc;mw2v1rf 50 km/h. What was the car's deceleration while slowing down?

  An airplane increasef k/j8* :cvg6 r9ohwtgs its speed from 100 m/s to 160 m/s, at the average rate of ow96r *g/ft8 ch j:vgk$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at thv7 hv5 eysm7.ze 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 accelerates aq1.1h rtwv*gs.0;w j kmviq1tt $4.0 \; m/s^2$ 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 auwj b74-wig7/pfsn n* constant accelerations/ju*iwpbf-ngn7 4w7 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/s experiences a constant accelb. a/ u,8aa8emhyg ap;9hf 3ileration of lph.,ba9g 8a m3/a;aehyfui8 $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the p;:1** l u/d jv tpoe2;ffqkn)ojx)gwright (+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance) d1po/2;qkuxptvlf)jfoje n : w;**g of 10.0 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircraft carrier. It reacoo8sbwh1/wv/d1b p c(hes 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 catapult1bbp o vhs(/w1/ w8ocd?

  A car starting from rest moves with coaii0j/n +j 8mpqm r73;pke5nmddl 4* wnstant 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/s in a distance of 200 m. What is its ave; ;e nz+m vojoq b3314np0zvrurage accv mn;3vz1o4r +j3nuqz;e ob0peleration?

  An object starts from rest and undergoes uniform acceleration. During the firs3l8 q;b,iu 4z-b8 * 8jfiknlacgwo 1xjt second it travels 5.0 m.k,3ub ;4 zlib8i8aqo c-8jgwjxfnl*1 How far will it travel during the third second?

  An object is moving in a straight line with constant acceleration.) xa,bt mx;q/ei- *)mo/rkrmj. 5fzlw Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does it move dxzi5xl e; t-.bm/*q)mmo)f/, rajr kwuring this time?

  A car starts from rest and accell imbby 98p)6yerates 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 road can decelerate at abi(z zvcszx5)f 6 q2,voout $5.0 \; m/s^2$ 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 tbte.q- lte 7-uij: ;3it2smvlight turns green, a car that has been waiting at the intersect-bl ut.eev3 ;-it2i: tts7qm jion 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.
(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 u dqk( tuxgfzt990 y71o,nh5rlpward with a speed of 12 m/s on the surface of planet X where the acceleration due to gravil9t9fnod(kq7r zgu1x,0y h t5ty 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 whekcnpu. )i a(,gre the accelp( .c )ugakin,eration 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 planmj :c; */wxroxet X where the acceleratixx*:;mc /jwro on 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 one zo7z78clohj2vt:0kkl 3 a+k the surface of planet X where thk7zjl7ol2 0c av :oze k8+k3the 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 j;+pz/g-biy.bn kr. ) ;ttj;l4q3 a rox n*uhf0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the ruler to zxn- 4qhn;bki;jyf 3p ;. +luottgrr/)*jb .afall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s.i kh-llw0jox 4 0+awq9 What is its velocity after 3.00 k+h0 j4o ww0il axql-9s?

  A bullet shot straight up returns to its sth+8-( okfl hkearting point in 10 s. What is the initial speed of the bull+e h(lf okhk-8et?

  A ball is thrown straight up with a speed of 36.0 m/s. How long d 9t j,ve.zqio4:z+b quoes it take to return to its starti9z o +i.4z:bj,eqvtuqng point?

  A ball is thrown downward from the top of a building with an initial speed lmigfstf9a7v5niw;m- x fy3t)+ 3t f/of 25 m/s. It strikes the ground after 2.0 s. f3i/y f+ sa7-ftl)3t xw v59fmt;n mig How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only fi x7uztw 3m7;a6/qq5ddnww8sp ll in numerical value in 37uaw ps7d6znw;tqd/x m 8w5 qthe 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 intyb on :rrdf4if8p3 ojxo428k:zw*2eto the air with a speed of 30.0 m/s. (only fill in numeroz2bf4jrt :wxr84*e3o 8pn y foi d:k2ical 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 at t = 1.0 s53z f)*7, cxf axkpofg,earq, ?

  In Fig. 2-1, what is the ve6 c)zlj)z9ltxbr1v uo5h.n+e, zyy s6locity at t = 2.5 s?

  In Fig. 2-1, what is the veloc5 mn; 9vnf+extw a-ufp5s:/ility at t = 4.0 s?

  In Fig. 2-1, what is the velocitkxky ( 7r*qmg+y at t = 5.5 s?

  In Fig. 2-1, what is theakxweijisr3a+ *:6t7 c*ri/z average velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average vel8v ,k/g 7yd9pc-v diptocity from 0 to 6.0 s?

  In Fig. 2-2, what is tgbmxxiw2tdt 36 ,b)pq5op +py ,,9ckzhe acceleration at 1.0 s?

  In Fig. 2-2, what is v j1ye0jl )u q j -lumjzhtf,c*v/b968the acceleration at 3.0 s?

  In Fig. 2-2, what is the ave( xwk1b-vn5j m:lf)ltrage acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average acc6r.)ey9x yhtj3*by-lsbb-dx 4truo +eleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacement from 0 to 8.0 i3goawz1t1);e. tzo ws?