Suppose that an object tr7cui +w) yftysy- ,/tkavels from one point in space to another. Make a comparison between the displacement and the df,u-+/ wy yt7 kiycts)istance traveled.

  When is the average velocity of an oyin601v: vhz yy/d*qi(z5j dz 76c.ph owej5rbject equal to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "from zero to sixty i4d(ety f (v9;sv6 vxkxn 8 s". T 4(x6yef(k dst vvx;v9his is a description of

  An object moving in the +x ax6i bgzg8:iz:fb, iwdc,x y f;f-5n 2tzis experiences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to tq 6p.nl4oc/w* ps+1-eld7s;vu c9-njwzi s fzhe East (+x direction) begins to slow down as it approaches a traff*-upz-l+v9d l oensn;/s ji46wcwqz17 fs.pcic light. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow down w+k ea/h 4/jq ;z jd*.wv/ebbsas it approaches a traff/+b;dbw.* e/es 4vkq/jjhz aw ic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. (n)fke 0. dze8u)jms b Make a statement concerning its acce8.m(nueedfj )0bz) skleration.

  If the velocity of an object is zero, does it mean that6ysbe (fdm4 ;vy)k gml no )o)o-y)x+b the acceleration is zero? Support your answer with anv-ebm+6yo)onm ( sgyy b))k;dx l4)o f example.

  Can an object's velocity change direction when its acceleration is consta o6 +;ejo,.xu*qp hfepnt? Support your answer wu,e+ph; . oj6*fqpe xoith an example.

  Suppose that an object is moving with constant acceleration. Make a statemn ja)(ncv- zj:ent concerning its motion with respect ncv:jajn - z)(to time.

  Can an object have increasing speed while its acceleration z+et1hp/j q 40 qyf0nbis decreasing? Support your an /1jznthefpq4+y0q0bswer with an example.

  Suppose a can, after an initial kick, moves up along a smooth hill of ice. Mp ;t34awvu :rlake a stap ultv3 ;aw:4rtement concerning its acceleration.

  Under what condition is average vee9aj nf1n b8y1locity equal to the average of the object's initial and final velocity?nbnj 91a 81yfe

  Objects A and B both start at gzg ,65alut0b rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the final speed of object A compar lb05ggua, z6ted to that of object B?

  Objects A and B both start from rest. They both accelerate at the sa0khn zs /qzblrq.77yhb *0wi +me rate. Hoz/.z q+b yw07rn7k0silh qb* hwever, object A accelerates for twice the time as object B. What is the distance traveled by object A compared to that of object B?

  When an object is released from rest and fallspf3+c j 1di(x3lsva z( in the absence of friction, which of the following is true concernsvl 3(+xidcz3(pjaf 1 ing its motion?

  When an object is released from rest and falls in the *kg:j;z4;aqr 2mmjxn absence of friction, which of the folarm:jqjm 4*2 k z;ngx;lowing is true concerning its motion?

  Suppose a ball is thrown straight up. Make a statement about the 5v, uo:ym 3*7xspkq,c:xscgxvelocity and the acceleration wu7x: ,ko:5 vc*qc,ps ysx 3xgmhen the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration just before it wc.6r*8i t y. k ;n3qw+vjvlipreaches its highest point?v. qj 836wkvit.n pwyl*;+rci

  Suppose a ball is thrown straight up, reaches a maximum hei0pqxg,f 4bivu 0(1 1 bsshz d8qs7iw,rh *fsp.ght, then falls to its initial height. Make a statement about the direction of the velocity and accelehd,p0 *fqws 1 qfs ,pv s04i.(7i8bguzx1bhr sration as the ball is going up.

  A ball is thrown straighx jk4,kw - nbv8: oncxpkp9,l(t up, reaches a maximum height, then falls to its initial height. Make a statcl4x b9kn,ojvpnk,8w p-:kx( ement about the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward inj8kt3qyiv)w)h /ub5a the absence of air resistance. Make a statemeiu 5kwqh3)jy/ tv)b8 ant concerning its acceleration.

  Suppose a skydiver jumps from a high-flyifx0d7/n s4ul8,z euw ing plane. What is her acceleration when she she reaches tensdu708fiz ,uxlw 4/erminal velocity?

  A ball is thrown vertically upward with a speed v. An identical second ball eichb0e(gj, x wfm;(ii,t(: i 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? (How many times higher doemwg( eei(bjf,0ii ,:;(cthix s the second ball go than the first ball?)

  Ball A is dropped from the top of a building. One second later, baqnpz5 6y (5egwll B is droppee5wz( pnq56 ygd from the same building. As time progresses, the distance between them

  Ball A is dropped from the top of a building. One second later, ball B44 m -jr,iplejfd/ vb, is dropped from the same building. As time progresses, the difference in their speedsr,fp4emd l jv,i bj4/-

  Two objects are thrown from the top of a tall building. , ruy(yg.jl 6iz/fx m7One is thrown up, and the other is thrown down, both with the same initial speed. What are t.6y7/g(muxyz , i jflrheir speeds when they hit the street?

  A brick is dropped from the top of a building. A secnq3(zsv+;hrorv2q: dw -ja2n+m pl c(ond brick is thrown straight down from the same building. They are released at the same time. Neglect air resistance. Compare3 nv2zpj+ln;s or m( whd:q(2c vq+ra- the accelerations of the two bricks.

  An object is moving with constant non-zero velocity in the +x axis.rltip /l xj19(lh+nq, The position versus time graph r,h (9p1qjlil+t/xln of this object is

  An object is moving wiw 07k* qhmv5ou+td j3fth constant non-zero acceleration in the +x axis. The position vv wufht70+mj do 5*qk3ersus time graph of this object is

  An object is moving with constant non-zero velocity in the +x axis. The velocitq5ype frgn) .j2kq:a.h n 6z(iy)f( 2yn 5rikp q6qez..h agnj: versus time graph of this object is

  An object is moving with constant non-zero acceleration in the +x axm35k jo mwx:pm (ej;0sis. The velocity versus time graph of this o;m0xm(3wjoj e ks: 5pmbject is

  The slope of a position versus timkrw /82 exugxk, uaa7+e graph gives

  The slope of a velocw+ro,w 8p qj1/x5l rfqity versus time graph gives

  The area under a curve in an acceleration versus time graph r v-0yc4ruc c4( bdl6cgives

  The area under a curve in a velocity versus timewkq*wq;q( i;haoim17 graph gives

  If the position versus time graph of an object is a hof u*3nspk 02kmrizontal line, the object is snk*0um3fkp 2

  If the position versus time graph of an object is a vertical line, twa/ 08wsup0qxz vc58 ohe object iswp/ q0vzo 0xcu8ws5a8

  If the velocity versus time graph of an object is a x: ac;np xslh f ac*)dn+8gp*2horizontal line, the object ixl* c dsfp+xc *hn):;a2pagn 8s

  If the velocity versus time graph of an object is a straight *syif* v6mvkn6 m0: gyline making an angle of 30 degrees with the time axis, the object isysy m*6f ivmgv0:6n*k

  An object moves 15.0 m north and then 11.0 m south. fb:k2mr -u4tfx 2bbx 4i3zt1iFind both the distance traveled and the magnitude of the displacement vectouxkiit24 z 1f m:-4rxfb32bbtr.

  A boat can move at 30 km/h in still water. .- e cppi4:em-kjtva kf0na;* How long will it take to move 12 km upstream in a river flowing 6.0 peka.*jnfek4 ati;- vp:mc0- km/h?

  55 mi/h is how many m/s? (1 mi =6qb46 tnd5jo/ u* tegs 1609 m)

  What must be your average speed in order to travel 350 oc j99wa --cygiharq) w7wq/ 3km in 5.15 h?

  A runner ran the marathon (apprh q(etg)ul;2 uoximately 42.0 km) in 2 hours and 57 min. What is the average speed of the runner in m/s u)e q;2(hlugt?

  A car travels 90 km/h. How long does it take 2k7rabc.,zys ec5 :rafor it to travel 400 km?

  A ly (light year) is th0do br47p7uczov-0c)x72 ldp mpr f0vrlk8v*e distance that light travels in one year. The speed of light is 3.00 x 108 m/s. How many miles are thrddx bm* ro0c l8uz4p70pkpv7)cf27ovrl0v -ere 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 s8 6s m./4aiwpt3jufu jide for 4.0 s, how far do you travel during thit6jf.pi8 mauu/3sw4j s inattentive period?

  If you run a complete loop around an outdoor track (400 m), in 100 s, swm1 (3aig) s-lt 7pwrje6h:f your average ve)aew h3 7w16plimt:gs(j rsf- locity is

  A polar bear starts at the North Pole. It travels 1.0 k 7ycs1go v95vzm 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 wao91 z7g5 vvcyss the bear's average speed?

  A polar bear starts at the North Pole. It rcyj,tg16u(,xkk6g9ha n kg 9travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to itskyu1rk 6gth 69g(j,, n 9ckaxg starting point. This trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weu a)ml )4,l7/dfli6w9dl. vuas: xgdxekend from school at 55 mi/h for 110 miles. It then starts to lld)gs.i 7vdu )d94xlaa fw/x ml:,u6 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 km/h :aw ,( ssvvxt/ek 6h4iand 160 km at 100 km/h. What is the average speed of the motorist for this t whxs6:kt(4sv/ia ,e vrip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. 9egm//u zkj k3What is her average speed for the tripkm9j 3ekg//zu?

  An airplane travels at 300 mi/h south for 2.00 h and then at 25-r:ay6h+rj5 nme3qj j0 mi/h north for 750 miles. What is t n ra-r:hjqj5+3jmy6e he average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 100 m) for te.-lw83,yq 1trttx nmw am A can run 100 m in 9.8 stytw,rml wq3 n18. x-t. 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 runner not lose the race?

  A car decelerates uniformly and comes to a stop afteraidp 2/(tj7d wn3)cr r 10 s. The car's average velocity during deceleration was 50 km/h. What war 7w2drt aicpdj/( n)3s the car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average rate oe i+b 8ddyx(u:f y deix +du8:b($15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h acceleratescdtwx/ :;mf m5 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 restah 5i u-gfmz 837 e.quwzs-hw9 and 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.y e kth5-cw 3wh2vjwk6.f.m0a It then speeds up with a constant acceleration of ahw50kmt 2jkwy- v6.f. e c3hw$2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocitas2n g(; z 4cg nl3o)*gzdx;ioy of 5.0 m/s experiences a constant acceleration of ;;4s3an *gzio2zd) xg go(lc n$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to th+cwy13 u92 uf6ubpsd te right (+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the average acceleratiy19s fpu63t b 2duw+cuon, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapummg0q/)zsid 0onj-h0 rid 0*y1ey 3pylt on an aircraft carrier. It reaches a speed ofy3 0sih gydy1/0 *rmpojqzi0m)-d0 ne 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 catapult?

  A car starting from restr,kcczk1 f(px9s.d ha8(2oie moves 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/s in a distance of 200 m. h fz8o)vqwe d/x9p6p5 What is its average accelv)8q6o9w/5xp e zdhfp eration?

  An object starts from resxczja:o;n31 n;lw tby/ 0ocd) t and undergoes uniform acceleration. During the first second it travels 5.0 m. How far will it travel during the thirdo bon/1l3cjzwxnad t;y c;:)0 second?

  An object is moving in ucohp nmiblz* .7ix*2 .47 tl1jush9xa straight line with constant acceleration. Initially it 9.4puhx x.icllt smi77hn2**ou1j bz is traveling 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 uniformlg7f1cpyp (/o 0hfg7cd y 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 8h ew+fr7 g s5cqu/08gqh7qlk j):eoq 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 b0 -dprbewz*l82hz e,s xo/g w1een waiting at the intersection stwbehrlz1 dx-e2/w08zps* , o garts 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 upward with a evo+-d-y3xbjd7ty, 0 mn +iou speed of 12 m/s on the surface of planet X where the ayed+7,-j un-iv tm o0dyx3+obcceleration 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 spee eqe52rr ga.hdm3d0p(d of 12 m/s on the surface of planet X where the acceleration due to gravity ishqm2d d(re5e0 .3pra g $1.5 \; m/s^2$. 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 s( (tn/i1klv oof planet X where the acceleration due to g/kln(i v( 1ostravity 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 pckde i6z ++ldpl. in++lanet X whe 6+d zleln +dk+.+pciire 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 iypo 0q-()p.eezw :k uus usually greater than 0.10 s. If your friend holds a ruler between your fingers and r0uzp kw:o -e)y.pqu (eeleases 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 ; lp+t;oulm n-vby j5l3f yc8;m/s. What is its velocity after 3.00 s?ovlclnjyb l5;y; ut38; mf +-p

  A bullet shot straight up returns to its starting point in umplcg 88ao d(5 /f;r0gevl4e10 s. What is the initial speed o(v 8mgeful/8;caopg 5r4 ld0ef the bullet?

  A ball is thrown straight up wit,i+-.5ht de mif )cbb5rjv1onh a speed of 36.0 m/s. How long does it take to return to its starting point?5ib+crbd,hfoej.n5 -v) t m1 i

  A ball is thrown downward from the top of a building with an initial speej(;;svveq- 7s lsy r fec5gsw4pjx971d of 25 m/s. It strikes the ground aftf sljjs(4s vw9s eprec1;y7vxq 5 7;-ger 2.0 s. How high is the building?

  A ball is thrown straight upf knir4p83zy1mrz 9p: with a speed of 30 m/s. (only fill in numerical value in the blank kz 3mrp419rynzpi8f :s)
(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 5-t7l y8vz25oagpkur h 27hxmwith a speed of 30.0 m/s. (only fill in numh 2z -mxvy 87gao5kt2uhp5lr 7erical 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 th, x:ev9w rc8/toqsqz4s4 ymc 3e velocity at t = 1.0 s?

  In Fig. 2-1, what is the velocity at t = 2.5 s?).dy pefhpbo5yrr84;,xla*), k1numyjsah 0

  In Fig. 2-1, what is tn ed5szn**fd2j8qa)c+tep 5l0gtui, he velocity at t = 4.0 s?

  In Fig. 2-1, what is the velocity ac8rngfe3 kw72dn :, tit t = 5.5 s?

  In Fig. 2-1, what is the tw7f 3nbi+7 . hpwyo)zaverage velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the averaounvkivc 8 4db:/m2)age velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration at kxitiyx ; -+,e1d7 zyc1.0 s?

  In Fig. 2-2, what is th f yrws pv- wn2+w0uf.ifew 1k(ger0,2e acceleration at 3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 5.-y 0rl ;f dhk20a86.t8d9wfksa zgio c0 s?

  In Fig. 2-2, what is the average acceleration py dazpjh4 a)oog3 j*1z2p8w k7c3oo(from 0 to 8.0 s?

  In Fig. 2-2, what is the displaoarw*( q rrrz7p;iq pt rz,6 r0u.8v5ucement from 0 to 8.0 s?