Suppose that an object travels from one point in spk 03ouvwfxu .6ace to another. Make a comparison between the displacf30k.oxw v uu6ement and the distance traveled.

  When is the average velocity of v(cfgmxe .5l(an object equal to the instantaneous velocity?

  A new car manufacturer advertises that their ce re0c2rrs45uar can go "from zero to sixty in 8 s".r secrr0 52u4e This is a description of

  An object moving in thit+ -ar*:bfzdbd+p,vh,ouy w5sn36 he +x axis experiences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begins to:bk q:xe 4- 3yeilf2jqtxdt )6 slow down as it approaches a traffic light. Make a statement concernxiee )ftkq lbt :- x:26jdyq43ing its acceleration.

  Suppose that a car traveling to the West (-x direction) begins t2q:b5 repmu2no slow down as it rebm2p5q:u n2approaches a traffic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant d4*vx;8kprjnx q6j76q c7hzxn(9f mpvelocity. Make a statement concerning its acceleratif q7p8q jc(;7 znjn 649 vx6rxhxkpd*mon.

  If the velocity of an ou*nmtmk043 x fbject is zero, does it mean that the acceleration is zero? Supf t 3u4mnm0xk*port your answer with an example.

  Can an object's velocity change direction when its accel:)iht38hdn b zeration is constant? Support you: b d)t3ih8znhr answer with an example.

  Suppose that an object is moving with constant acceleration. 2 yy0vayt 2nb- Make a statement concerning its motion wabny yy2-0vt2ith respect to time.

  Can an object have increasing l oa6 *cvib z.**nj:bespeed while its acceleration is decreasing? Support your answer ico.6z*eb*bvj*anl: with an example.

  Suppose a can, after an initial (r8d02z hg fcqkick, moves up along a smooth hill of ice. Make a statement concerning its acce h0rg(f2c q8zdleration.

  Under what condition is average velocity equal to the average of the object'9ax*lb 7sfn9bt;9rt;w)tv 4v cm3iut s initial and final velo ta ;9b3;rclsvt)9tt4w* fbxiun 7 9vmcity?

  Objects A and B both start at rest. They both az56kfohw8x )06c keses a.7whccelerate at the same rate. However, object A accelerates for twice the time as object B. What iszsk6.5e 7h fk)w8xw0a6shco e the final speed of object A compared to that of object B?

  Objects A and B both start fromwk7kgr tkv t,b.ua; 5) rest. They both accelerate at the same rate. However, object A accelerates for twice the time as o.)vu tg; rkt kka7wb5,bject B. What is the distance traveled by object A compared to that of object B?

  When an object is released from rest and falls io(w9scja/ner01 75fnche hh/n the absence of friction, which of the following is true concernisnhe7 /( 0jncf5/ehr 9choa 1wng its motion?

  When an object is released from7xbkj9j uo8qe )3rd7x rest and falls in the absence of friction, which of the following is true concerning its motion edukbo7xq38)j7r jx 9?

  Suppose a ball is thrown straight up. Make akoiq07a ;ij) d statement about the velocity and the acceleration when the ball reacheq ia)jidk0;o7 s the highest point.

  Suppose a ball is thrown straight up. What is it3 so-ip60qle0zgm,h2y sku5hs acceleration just before it reaches its z30 m2s-,sie05u koyh g6qlhphighest point?

  Suppose a ball is thrown straight up, 1n;p5 . qbte ig0i9mn wa+vvn1reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleratvv q1.wi;+t0eignan5 p19n bm ion as the ball is going up.

  A ball is thrown straight up, reaches a maximum x.g;m-1kiq2tj , ub akheight, then falls to its initial height. Make a statement aboui j-xg 1qbu;am2.kt,kt the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in the absence of air rezgad jk7j 1,8 h0uja;qsistance. Make a statement concerninh;1j80gq a zajukj,d7g its acceleration.

  Suppose a skydiver jumps from a high-flying plane.tb (hrsk8m 0;evo;bx5 What is her acceleration when she she reaches terminal ve;( t 8xes5bobv0khrm;locity?

  A ball is thrown vertically upward with a speed v. An identical seconrds7lner.vg( gew; mnp1qu 2z t,7i- 8i /y:ewd ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maximum height of t,2gp7.e ui8 w mtewgz-q(ily/rsn7 r vn ed:;1he 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 building:a7lt96w vg.r9 d e1ds0r vemg. One second later, ball B is dropped from the same buildvw6:e. s7 mgd9rgdt91l vae 0ring. As time progresses, the distance between them

  Ball A is dropped fromoxj);n q7rg ;5wm h/bm the top of a building. One second later, ball B is dropped from the same building. As time progresses, the difference in theigxbh;;57 r wjm)/mqn or speeds

  Two objects are thrown from the top of a tall building. One iblh ))cx1;1 eqrydr6ds thrown up, and the other is thrown down, both wi61 rl1x)e;bhqd rcd) yth the same initial speed. What are their speeds when they hit the street?

  A brick is dropped fromxc8lq77 vtnh kf9ng )2 the top of a building. A second brick is thrown straight dvn7 qg9t87xk2ch) lf nown from the same 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 velocispcv kie() 18gty in the +x axis. The position versusgkpe( )1 ci8vs time graph of this object is

  An object is moving with constant non-zero acceleration in the +x axis. Txpkme2dn* 928y1 g qh 8eua1 i5(ysdtche position versus time graph of axs1i(9t 8ehq gky nm y221eud8dc5*pthis object is

  An object is moving with constant non-za-e gkwb zu) 4*w96kt3s-fsyt ero velocity in the +x axis. The velocity versus time graph of this object i*6e sykuwftz)s 94g b3--atkws

  An object is moving with const*+ s,joms :bs7u xqt0l*6guh yant non-zero acceleration in the +x axis. The velocity versus txu ,jbl*g6 *suoh0 ssyq:+7 mtime graph of this object is

  The slope of a position versus ti.ks0o4jureilpggzwa48:j 3jr): x) ime graph gives

  The slope of a velocit -:cmvg vw,6ytomb3dl0xr,m*me 8 x5ty versus time graph gives

  The area under a curvegg a3+mdbr *r,6qq)qc in an acceleration versus time graph gives

  The area under a curve in a velo0:v- y9zko 9yytach k3city versus time graph gives

  If the position versus time graph of an object is a horizx7h *)ykbxm6 kontal line, the object )xkm y7 hkx6b*is

  If the position versus time graph of an object is a vertical line, d(auq 34)oohq v guw6z2 +,mblthe object isgo4uqh(q+3)z2 b,6l uw mdvao

  If the velocity versus time graph of an object is a hore,m+oe6) gokybe7d)d izontal line, the object io)dbe6d+, mgo ykee)7s

  If the velocity versus time graph of an object is a straight line l d ypz ykua(m99kk;x1w.t)6q c/fdk;making an angle of 30 degrees wk ;1q9ly6 /wt yxz fk (dp9mu;.k)dkcaith the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both the distanczze/ wya*e+h )pi1i02xneun 9 e traveled)9zhue/zni2ewp ae i*1x n+0y and the magnitude of the displacement vector.

  A boat can move at 30 km/h in still water. Hs.rma xn( g0f06th d2kow long will it take to move 12 km upstreftd(6n 2sa0 x.mrkh g0am in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609 xbai7eag5-4 zjjvv6viw1 + *bm)

  What must be your averag a25oh,a-+fclnfw86u 2yuxl ye speed in order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.+j m.-samfl 67 mj8yhiwi i20(mbqpc .0 km) in 2 hours and 57 min. What is the average spe.(6fy7isw+pmbal ijq cm82 0-.jihm med of the runner in m/s?

  A car travels 90 km/h. How longoy )fox+w8- wp does it take for it to travel 400 km?

  A ly (light year) is the distance that light travels in one y 6j4njcow 0xj9ear. The speed of light is 3.00 x 108 m/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)4c6jnjw9x o0 j

  If you are driving 72 km/h along a st372sw c7d 8wp6yzl wmmraight road and you look to the side for 4.0 s, how far do you tdwm 27w3 ypl687wszm cravel during this inattentive period?

  If you run a complete loop around an outdoor tra6k::ln ojar+ angi(; jck (400 m), in 100 s, your average velocitlaa+;j 6r:igo:k jn(ny is

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.,ml*yco+ fukk +ag x vqgf/:)70 km east, then 1.0 km north, 7a /g*g,ylck q xuvk+mof:f)+ then 1.0 km west to return to its starting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. 0f1esaw 5u/euIt travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to aw10 eefu5u/sits starting point. This trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from school x5o8kk2qa mr4at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minuteo5k am8r4 k2qxs. How far is your hometown from school?

  A motorist travels 160 km at 80 km/h andkmd/k4/sgy ,ju (j; bd 160 km at 100 km/h. What is the average speed of the motorist for this dms(/ygj k jbk;/ 4u,dtrip?

  A motorist travels for 3.0 h at 80 km/h and tdypc 0jcl,3p81 zpzw1(.oj o2.0 h at 100 km/h. What is her average spz.1 3 jc,81jdp0pzopywc lt(oeed for the trip?

  An airplane travels at 300 mi/h south for 2.00 h and t:c ytnx8 b(xb4 xty4x.hen at 250 mi/h north for 7n xx yb84 4tx.(tc:xyb50 miles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 100 .g ovzp(y3b dt kw;0r2b4bo q7m) for team A can run 1004;v3b(q2o 0 bgoy7tk zw.rp bd 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 runner not lose the race?

  A car decelerates uniformly and comes to a stop after 10 s. The car's avhp5-4 bu.qq fp31e pv(ipm(nperage velocity during q.-vepfu 5bp( n(qh1 3p4mppideceleration was 50 km/h. What was the car's deceleration while slowing down?

  An airplane increases its sp4qwobw. 7.g2g dy duy.eed from 100 m/s to 160 m/s, at the average rate of bg.2 gyy. wqd4.uw7od$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at tht heb0mh13i6 ),gu m43rim3uu).qp9ft e iktce 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 el ;6uvrux4k3qn )lp/6 g-lcyaccelerates 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 cons0j6ojm ,h7bl sqbujo;x4 (z+ vtant acceleration o4o0lb sj6zq,;ouj(+j7b vm hxf $2.0 \; m/s^2$ 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 constdjgq/v7cgr0p9 tyufq x-wvd5;2c i 5,ant acceleration of52cgf 7ud-c,9yj t5iq0q/v x dpw;v rg $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x direc:,yt1ccefqb2z ne dz2; 8oe3vtion) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the3y2zdov ,e ccen f:qtb81z ;2e average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an atx,qng 7;;s2uoadm o )ircraft carrier. It reaches a speed of 42 m/s at the etsax,2m ;n;o7qdou) gnd 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 rest moves with const *;qp va nrbq/g*,sfx h,cz;c1 s2m9ooant 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/saosjh. 3o;7fx in a distance of 200 m. What is its average accelea;fo3xhj7.s oration?

  An object starts from rest and undergoes uniform acceleration. During the foacl mba*, 896x bz4zmirst second* lzm9xb48a,mbc z6o a it travels 5.0 m. How far will it travel during the third second?

  An object is moving in a straight line with constant accel v;ocxr22 nag/eration. Initially it is/gx2 cvoa ;r2n 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 uniformly at)pgp5p:uhd ugy76u/ p $3.0 \; m/s^2$. 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 a8 bbi mpv3.1(ucwys4h 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 lf-.1pjgo yq o;ight turns green, a car that has been waiting at the intersection starts ahead with a constant accelerag .jf po1q-;oytion 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 pt j rpw17c;xz;6+e xzbt gu -zxvv9-3of 12 m/s on the surface of planet X where the acceleration due to gravitz ;7 xettpz g;v+pzr1wcx36-bx j 9-vuy is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upwahoo*x s7l(vd rg: (a7yrd with a speed of 12 m/s on the surface of planet X where the accelera(lod:xy 7rv sg7h*oa (tion 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 -+, f cejpipw(0jys3 fon the surface of planet X where the acceleratio3- y(p+c wsip j0,ffjen 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 planet X ws a, d,qtg82q0j0afa5f 9wy wwhere the acceleraa 0aw0 fg,tq5y8f,ds29aq ww jtion due to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usualwuf2 1reri( j1ly greater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the ruler to fall br(jei12r1 ufw efore you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. Wht k(pbnyr6;q0 at is its velocity after 3.00 s?p yk6;(qn0 rtb

  A bullet shot straight up returns to it axhw ;uie10csxq-4 ,qs starting point in 10 s. What is the initial speiau x h,exs ;qwc0-q14ed of the bullet?

  A ball is thrown straight up with a speed of 36.0 m/s. H4lit6hj eo- u+z10xaiivx)x +ow long does it take to return to its starting ux0lji4i+xzih -6ao x+) tev1point?

  A ball is thrown downward from the top of a building with an initial spee;r uf(l77yh,o2wx 2s,)qnz bagzgul2d of 25 m/s. It strikes the ground after 2.0 s. How high is ,7g yls(r, ofb 22aq hzn 7)uxlzu;wg2the building?

  A ball is thrown straight up with a speed of 30 m/stz6peh+ex4 c4. (only fill in numerical valu64 e4ztecpxh+e in 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 30.05 1yb ;nfdlqp0 m/s. (only fill in numerical value in the ly; d fnb50p1qblank)
(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 th4nt4 k;j1j0n2brz k swe velocity at t = 1.0 s?

  In Fig. 2-1, what is the velocity am 97xg 1gpsb so4(vqjy:hc 20mt t = 2.5 s?

  In Fig. 2-1, what is the vel3nm/ 1ljd6g*(u eqpda ocity at t = 4.0 s?

  In Fig. 2-1, what is the velocity 3 8 )o, lsevy6dyr5apvat t = 5.5 s?

  In Fig. 2-1, what is the average velocity from 0 to 4.0 s iuysjicv.6) fsg):3s ?

  In Fig. 2-1, what is the average velocity from 0 to 6.8 eywi*5 bxp9z x0b /0cib-enl*zl(km0 s?

  In Fig. 2-2, what is the acceleration at 1.0 s?- b aexs3mlu31

  In Fig. 2-2, what is theslrr zt xuv3x92:a0: u acceleration at 3.0 s?

  In Fig. 2-2, what is t.4( *+hfs c4pqvlxe pghe average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration fi; h-l9sa-r uhrom 0 to 8.0 s?

  In Fig. 2-2, what is thgu lncu5ye/j*fvt7 a5z(ar8 9 e displacement from 0 to 8.0 s?