Suppose that an object travels from one point in spac mtuyu5)o9 l-fe to another. Make a comparison between the displacement and the distance trav o 9fmul-y)t5ueled.

  When is the average velocity of an object equal to the instantaneous jlxi,m ;f2*dn1uzx *lvelocity?

  A new car manufacturer advertises that their car can go "from zerspmy*t it/iimt ,940f6m6pd n o to sixty in 8 s". This is a destptm, m4mds in6p0/6f t *9yiicription of

  An object moving in the +x axis experiences an acceleration of wu9 y2-meuhkgbo22x5$2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x directtw5gp:174 m m8 ppyz3hbpg k-eion) begins to slow down as it approaches a traffic light. Make a statement concerning its accpmwk:7hy5z-3 gb14 ppm egpt 8eleration.

  Suppose that a car traveli gl:ja*+/nkqt57qt y6de s 90xhv1mxkng to the West (-x direction) begins to slow down as it approaches a traffic light. Make y0kq7/x v:5ad lm9qn+ jghe kxt1*6st a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statemnwh u/e2z z5wu3 dpm0/ent concndpz3 e5mw zu/u2 w/0herning its acceleration.

  If the velocity of an object is zero, does it mean that the accelerat+9sylb/( r5qs+tt 74o zzgrxqion is zero? Support your answyso+b5(rqz trg9s+4txlq7 / z er with an example.

  Can an object's velocity change directio5ylz. vtsss5-n when its acceleration is constant? Supp.svt-ls s5zy5ort your answer with an example.

  Suppose that an object is moving with constant acceleration. Make ap,, gru3wo0agt*2mq (zveo .d statement concerning its moti t opv.2o,u w reg,q*gm0z(3daon with respect to time.

  Can an object have increasing speed while its acceleration is decreasi3ie9 fc5p*s6cvbc v u*7zndx*6nqt u3ng? Suppof36di93vucnnv* *t* bqx 5 spec76zucrt your answer with an example.

  Suppose a can, after anujrty j3tu(8 * initial kick, moves up along a smooth hill of ice. Make a statement concerning its accj(y tr*u8t 3ujeleration.

  Under what condition is average velocity eq40xdwei* nm --e)npyxual to the average of the object's initial and final ve mp)nxey ew0-4i*dnx- locity?

  Objects A and B both start at rest. They both accelerate at the same rate. How11(3akfyqi op n vz+9. xv9i;msz,iqbever, object A accelerates for twice the time as object B. What is the final speed of object A compared topazq(1m b y3 k1iv9; fz.+9si,vxnio q that of object B?

  Objects A and B both st r),i27cwrhmr art from rest. They both accelerate at the same rate. However, object A accelerat )rwi7rhm,2 rces 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 falls in the absence of friction, whiconp o3e fhf9u; pw(e4 npie-2t o03+mwh of th w; h 0eno3-3meoten9fw2op iup4(fp+e following is true concerning its motion?

  When an object is releas*5 uksobchng2s;w6lh as60 1 ged from rest and falls in the absence of friction, which of the following is true concerninghs oh60 u*kans w1g2bc gl6s;5 its motion?

  Suppose a ball is thrown straight up. Make a sty5 i/m*g l.axga5;t lxatement about the velocity and the acceleration when the bal m;lg t5*5xaly/i xag.l reaches the highest point.

  Suppose a ball is thrown 9j)v0irb m(,vqull:dstraight up. What is its acceleration just before it reaches its highest9v)(i rm u,bqjlvdl: 0 point?

  Suppose a ball is thrown straight zb* u)q g9biv*q7a9 fsup, reaches a maximum height, then falls to it)9s b bqazuf**g7viq9s initial height. Make a statement about the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a mok.5mfhefjmha l3v2pe 5 ,3p1aximum height, then falls to its initial height. Make a statement about the directejpm3o vf31 hla .25 pfke5,hmion of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in thrs;sxt1qd0s i-u3f uvnm-f -m64e 7l /rn6june absence of air resistance. Make a statement concerning its acce-f/ulinu06 r-ems7r-34nf 16 v;nm s qtudsxjleration.

  Suppose a skydiver jumps from a high-flying plane. What is t* )rn2fyajsb8d pz :*her acceleration wheb8sta:*p nzy* )fj2r dn she she reaches terminal velocity?

  A ball is thrown verticaz(sv r wddy82s w3ogr5u/ +kz2lly upward 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? (How many times higher does the second bal(rs+uk/ 3 gsvdwd52z or8 ywz2l go than the first ball?)

  Ball A is dropped from th10 auf -ty9e9pmpuf2e s5 zs/ze top of a building. One second later, ball B is dropped from the same building. As time progresses, the distanct5ezm 2ys-9 up1sa9u/efz0pf e between them

  Ball A is dropped from the top of a bu5oynh 6twdxdckxx3k 611ae,( ilding. One second later, ball B is dropped from the same bu3aw kxe6xdc 1(1x 5nht,k o6ydilding. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a tall building. Owll9ksf+s94h ne is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit tshs 99 4lkflw+he street?

  A brick is dropped from the top ofefhrzr w1xkz(2b5p+3, khu, n9ptz . l a building. A second brick is thrown straight down from the same building. They are released at the same time. Neglect air resistance. 2+nr3 rptxek,hl.pzz(51 h wzf , uk9bCompare the accelerations of the two bricks.

  An object is moving with constant non-zero velocity in the +x axis(j gf6vdw(u e+ot ro16. The position versus ti+(v go61 (etwojfr 6udme graph of this object is

  An object is moving wc5,unn doe-m1)i g 7f6atnp ny;o-ae 3ith constant non-zero acceleration in the +x axis. The position versuo63 apd f)yn1i-, n-unea7e5tomgnc;s time graph of this object is

  An object is moving with constant non-zero velocity in k.ur:a-pl./t l q afd z0+k0+eiff;w vthe +x axis. The velocity versfi kv ru.qa.fl+;:e a-f0+/kt w dplz0us time graph of this object is

  An object is moving with constant non-zero acceleration in the +x axis. orf: g yg)yr+lbm 7.j5 The velocity versus time grofrr:7b+.)yglmg5 y japh of this object is

  The slope of a position versus time graph givelr0yf:+;lx qal 1p8 cos

  The slope of a velocim/1pi00c4bzvxe 6sz*dmtuy* ty versus time graph gives

  The area under a curve ice,+c-scq*mwsf *7ugei 4x 9gn an acceleration versus time graph gives

  The area under a curve in a velocity versus time gp;sa50 s vah7rraph gives

  If the position versus time graphoon bcz fkxak c((.)7j-*y vp- of an object is a horizontal line, the object ikfp)j*c n-v kb zx(.co7oy(-as

  If the position versus time graph of an object is a vertical line, thifkd,-axlz ktb i+fem*e,a*4-3 rx2n e object is2e 4z-i,,k +abr tkf*fnx*idx-ma3 el

  If the velocity versus time graph ofrdo 1 g2ebze-+ an object is a horizontal line, the object is2eroe- +gdbz1

  If the velocity versus time graph of an object is a straightg/i app n/s zg6mmt/+- line making an angle of 30 degrees wittp6n-+z smim /g//p agh the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both the dista:qhs:j nh1h u*nce traveled and the magnitude of the dinu:sh q1*:hhjsplacement vector.

  A boat can move at 30 km/h in still water. How loddxn s7zhcoo4,q+/ d5 4e6 4zzer (mbu5p-owsng will it take to move 12 km upstream in as/s7 ze, 44c(5d5 ohw- zoe4zd+qmon6xurpd b river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 0yubq ym3:8un dhd8( o1609 m)

  What must be your average speed in order to travel 350 km in 5.t(r3( cnlkhvx/eho8 54 ed6j b15 h?

  A runner ran the marathon (approxima or e-(8hqyw7mtely 42.0 km) in 2 hours and 57 min. What is the average speed of the runner inh 7eyrw-oq 8(m m/s?

  A car travels 90 km/h. How long does it take for it to travzv 6::/gofuz8)xqega el 400 km?

  A ly (light year) is the dista8*vnxy n, -ohcwm( n9d,a,g1ryp 0 vbdnce that light travels in one year. The speed of light is 3.00 x 108 m/s. How 0vc vdwnxn,9ya18, *gp-h( d,nb yrmo many miles are 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,w9qkabl pe kmq17 .u* +g+m dca6(rzp+*trt e the side for 4.0 s, how ezcwt+kr+l1m 9e.,ud6(r+7m* gt *kap qpqa b far do you travel during this inattentive period?

  If you run a complete loop arou+h;0at ppq d)ynd an outdoor track (400 m), in 100 s, your averapdaq; tp+)hy 0ge velocity is

  A polar bear starts at the North Pole. It travels 1.0 km south, then efk0hd/1p h0gcqn6t+1.0 km east, then 1.0 k+06q/1hgefd0 hn c pktm north, 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. It travels 1.0 km sou8xv10 i/j gmluth, 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'/ uljx m8v1ig0s average velocity?

  You are driving home on a weekend from school at 55 mi/h fo(zk5hvuc xx/ :r 110 miles. It then 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 fromxk(uz/:c 5 hxv school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 km/h.y)s03a)gwy or What is the average speed of they0wy)agr) s3o motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 kim pl0 e /h kp2zm qw-rli30)3x5mlp-tm/h. What is her average spm)pt3m- i 30mqlrwll- zx2h 5 /ik0pepeed for the trip?

  An airplane travels at 300 mi/h south for 2.00 hyl 3j)f3gw k2l and then at 250 mi/h north for l f2ljw3) gy3k750 miles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (sk3m4k p*,gad7ac 5,huqxgo8the 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. What is the largest lead the team B runner can have when the team A runner starts the final leg of the race, in gou 7qdkhap5m4,gk, *xcs 83aorder that the team A runner not lose the race?

  A car decelerates uniformly and comes to a stop after 10 s. (cr tm0)mu;w5,guoq 4r3 kejpThe car's average velocity during deceleration was 50 km/h. What was the car's de4k5t u 3;pcr0or (qu jme,gmw)celeration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average rate 97/h9omblciz of 97ohlbi c/z9m $15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerj cr:ix zge *tx(vvpjr6p)4llu4-xd:/7t (dwates 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 and accelera*gpt. mdp/ 14b9 ( jc:wldnlaktes 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 acceleratioqxl+6f l)s9j ) i7xihcn of7+9sx) f6jli)lx i qch $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 m/s experi bu l7h.go*cr+ences a constant acceleration of r.l bugo+*h7c $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right ( g68ues7 j+.n ryw1 p-bc4orpn+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the averapycs-go .jer7r u1 n+pw6 b4n8ge acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aircraft cnbpuqj-p.d./mu rrlz*/ hxx40; +rnf/ku6 yuarrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. Assuming tub-/0rfzuyd; rm. n. xun4/jk hl6+/*pu qprxhe acceleration is constant, what is the length of the catapult?

  A car starting from rest moves with constant acceleration ofux8 hmwrg -z) qq544if $2.0 \; m/s^2$ 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 vwrizc+1w2:eqy )/j wits average acceleration?ziw/)v qw:ywe21r j+c

  An object starts from rest and undergoes uniform acczd:s8z z-y v98-g, mr 3fykjpoeleration. During the first second it td9yz,:r8 vysk3zj8 -mozg -fpravels 5.0 m. How far will it travel during the third second?

  An object is moving in a straigwbn md-yc,:t a;fo(i.ht line with constant acceleration. Initially it is traveling at 16 mb ,dnota.wm f( yci;:-/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 accelerg5w0 an m2ap cha9/fb1ates 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 abouq+ osi,;;fkaw/ ql g:ut $5.0 \; m/s^2$ 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, amr/2 ttgonet y4iu9yip.7(x+ car that has been waiting at the interseciioe (u7 2xy y/tnr+tgm9.4tption 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 upward with a speed of 12 m/s on the surf wdghub*j8/36yaw/ i9lx pv 2lace of planet X where the acceleration due to grxulw/j3al29/yiw hdb vg *p86avity 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 suen; v amxm+ry j1.j6ey+t/q.grface of planet X where the acceleration due tojvte .y/a+ +em1qyxnm;r6g. j 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 planet Xvjp4,m,r iup6 wherevu,r,ipmp64j the acceleration 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 14q9vq hipyzr us cnv h8(g;7k/60up5*t m/s on the surface of planet X where the acceler qgz 89hptu5uhn* v(ck/qs 6y v;0pi7ration 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 g)g*r p;;pa)6 hbgpdfy reater 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 before yh*;yg pb)pd)a;gp f6 rou catch it?

  A ball is thrown upward at a velocity of 19rk,-ux, jv ly2h tb.m-.6 m/s. What is its velocity after 3.00 sjvtmrkb.h ux,l-,-2y?

  A bullet shot straight up returns to its st qe 9 oq:c(/dn2gm3tcyarting point in 10 s. What is the init(qm/e:y3c9gcq 2nodt ial speed of the bullet?

  A ball is thrown str4g ,oe t(u2(ajtjfd9uh,/onhaight up with a speed of 36.0 m/s. How long does it take to return to its sta2 h9 eta (uoguothj,/jdn,(4 frting point?

  A ball is thrown downward from the top of a buildi(9 f jbvh 9uacg:i8d0 .ymlzo5ng with an initial speed of 25 m/s. It strikes the ground after 2.0 s. (99.: z0vmbouj hdlc5af8g iyHow high is the building?

  A ball is thrown straight up with a speed of 30 mhyuk,hk5 if 02/s. (only fill in numerical valueku2hf iy,05kh 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 intokw*e. gt:ur ycffr,zrr e;0 1- the air with a speed of 30.0 m/s. (only fill in numerical varzg0tk- r:1urwfr ce;.ey* f ,lue 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 = 1m mlai y:/0vs..0 s?

  In Fig. 2-1, what is the velocity at t = 2.5 sbeggit uy2lbz2-f5*nt wp1d m *+* y.j?

  In Fig. 2-1, what is the velocity at t 42ak+w7k6wszmc6p,s/ lo q7 kw1ofqo= 4.0 s?

  In Fig. 2-1, what is the velocity at t b9b 4grm,;h :yetzl51w.nr-c9h tuek = 5.5 s?

  In Fig. 2-1, what is the average velocity from 0 to 40had; 3 r5p;v4lnrqp v; sf7lh.0 s?

  In Fig. 2-1, what is the average velocity from r9c bnk+yl9vua77 ;ik q,dxz,0 to 6.0 s?

  In Fig. 2-2, what is the;tm k,(g( lnpvm.w f3w acceleration at 1.0 s?

  In Fig. 2-2, what is the acceleration at *p.br.hk( 5mrb r)ez6zjd -cf3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 t q*br-gf99b;jl9jo u co 5.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 8.0 s?x-yk y4izyj x 9ju4atk;z,o1+

  In Fig. 2-2, what is the displacemen iwpp) ail)-nc+ k5s 3f3gncn(t from 0 to 8.0 s?