Suppose that an object travels from one point in space to another. Make a compmewvgl7*h2t z dybyd3v, e/;5 arison between the displacement and the distance tra bdlv;wv5d7z/2e, mgeyt * yh3veled.

  When is the average velocity of an object equal to theiv/5wtb xnkpf. 22(ng instantaneous velocity?

  A new car manufacturer advertises that their car caxt9p(dc:tvvuimq639i3 (mb; w:koik;rz ) lnn go "from zero to sixty in 8 s". This is a descriq l9bkrwv()u3v: 6;mtt;:n o mki xdz3pci9i(ption of

  An object moving in the +x axis ex gr;yio 8 2eb6samya(pmul53q (6p) ooperiences 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 slow down af: :v(kz:yl hss it approaches a trahly:::kz f v(sffic light. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow niv 4av)tczn53p6:q gt zf2 )fdown as it approaches a traffic light. Make a statement concernig3v p) nzv6a)tf425czi nqt :fng its acceleration.

  Suppose that an object is moving with a constant velocity. Make a stateme9g ope r-w5e7unt concerw79-e u5proe gning its acceleration.

  If the velocity of an object is zero, d)ptb t/ 09 .av d6bab19qvydzwoes it mean that the acceleration is zero? Support your answer with an extpvq9v9 .t1dba) y6zw0bd/a b ample.

  Can an object's velocity change direction when its acceleration is constant? Sugls fgp2p1 o(.1wkx3wpport your answer with an exampllko1g.g 1w3f s2pp(xw e.

  Suppose that an object is moving with constant acceleration. Make a statemen0isp-wstm oc/zn i a)fb.37a pt( +j.ot concerning its motion with respect to timenc(it m.si03sz+fo.pw/ )t a7p -b oja.

  Can an object have increasing speed while its acceleration is decreasino+t /14 eq.smoqcliz *g? Support your answer with an exaq/1lcq 4*zo e+ tomsi.mple.

  Suppose a can, after an initial kick, movesubkma p.s,81eg8lw fklv8 i37 up along a smooth hill of ice. Make a8g l kbef7lu8.8k3psm1ia,wv statement concerning its acceleration.

  Under what condition is average velocity equal to the j0c;t;oa r, f1 ae:vhaaverage of the object's initial anhv: ar ,a;jeotac;01 fd final velocity?

  Objects A and B both start at rest. They both acce nc8c1* c,odf aj5g3jvlerate at the same rate. However, object A accelerates fo1cng * cafj58cov d3j,r 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 from rest. They both accelerate at the same rate.ub8o) e9*f vk-rynn; y However, object Aof;8*y kuv9)ye-nb nr 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 falls in the absence of friction, kda eo9iyb8 rhq *)o+.which of the following d.)hk8+ rbe *oay9qoiis true concerning its motion?

  When an object is released from rest and falls in the absence of frici ku n rj21lyfy13-0il(rkuxhdyc;,3 tion, which of the following is true conce3 x c;yr2, 13kr-y0 (jldulhk f1iuynirning its motion?

  Suppose a ball is thrown straight up. Make a statement about the v:yh99 pkz:5um6 o eeufelocity and the acceleration when the ball reaches 5zkhfmeo9p9:u6 uey: the highest point.

  Suppose a ball is thrown straight up.n4by7/zesz1 imo4mh2 -n e y.i What is its acceleration just before it reaches its highest point?yzi-z h72ine1b n/m4oy4 me s.

  Suppose a ball is thrown straight up, reaches a maximum heiozh .p6)k4alk ght, then falls to its initial height. Make a statement about the direction of thek lp4.aozh)6k velocity and acceleration as the ball is going up.

  A ball is thrown straiw-jv4se ru +z7ght up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocwrj-7zs4+ v ueity and acceleration as the ball is coming down.

  Suppose a ball is thrown downw)yrh,l2vbym z/ a g:: +pgmf4xard in the absence of air resistance. Make a statement concerning its accelerral gmby/2fpmgxv y h )z:,+4:ation.

  Suppose a skydiver jumps from a high-flying plane. Whatq x0+*i+fvvkj is her acceleration when she shv ifkxq*+0v j+e reaches terminal velocity?

  A ball is thrown vertically upward with a speed v. An identi ojb kfnar155pl 7jw;*2l( hdacal second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maxkal*2ad7 p ow h;l1fjb5(njr5imum 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 building 9ygz .oxrb .gg/45jfb. One second later, ball B is dropped from t .bg9x/oy5bf.z jg r4ghe same building. As time progresses, the distance between them

  Ball A is dropped from the top of a b(n k6a:76eu*p l yopbtuilding. One second later, ball B is dropped from the same building. As time progresses, the difference in6t7ebka p pnoly*(: u6 their speeds

  Two objects are thrown fn ez cr5qv6rs2b20ua o*mr*m+ rom the top of a tall building. One is thrown up, and the other is thro52zarncr v+6 * u0rsqm2bmeo*wn down, both with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a building. A second bric kdn+ ;v,5k ,c*kmu:sxi,p, gafz*d2usne g :wk is thrown straight down from the same building. They are released at the same time. Neglect air resistance. Compare5z:a,,v gk+,sx,cfn;ki gnpuw d*:kd2*semu the accelerations of the two bricks.

  An object is moving with constant n6*brt80 r 5fqgnc(v, rg;n5-sdg n lmoon-zero velocity in the +x axis. The position versus time graph of this oqnrtcgg 8rf06r; 5bm-ln 5ovd*s g(n,bject is

  An object is moving with constant non-zero acceleration in the +xj) :3 tph cyraf6:cz/xak k:i4 axis. The position ver/p:tj y:ak cxik6)f a:3z4rhcsus time graph of this object is

  An object is moving with -kc( 0-x3 d6fuyl 0x-2grq9vnvbkdk nconstant non-zero velocity in the +x axis. The velocity versus time graph of this object is03gl 0fq xcn urd-bxv y-6k9(nk-k2dv

  An object is moving tb0ir6; u- orq9thlpefywm: m:o*j97 with constant non-zero acceleration in the +x axis. The velocity versus ti*queth:r6 or0tomy799:- fbj wlmp ;ime graph of this object is

  The slope of a position versu3sm :ril1-ydsc; 7 edes time graph gives

  The slope of a velocity versus time grm-ywr83k* qy:y ck o(v2jra:p 3:red vaph gives

  The area under a curve in an acceleration versus time graph m1.lzu6 8zh-zj;qzesc s5y0ygives

  The area under a curve i:eby3gt -,8,bbg j7ywsyll 0yy(u f-dpz6 ow -n a velocity versus time graph gives

  If the position versus time graph of an object is a h ki/2vktr8hg:)z; l avorizontal line, the object ivk t/hv2i8: lgk)a;rzs

  If the position versussie*q3k3 fcjlpc.c ;zuwl4uh )j :g08 time graph of an object is a vertical line, the object is : u.s3c8ku* jg3f40ilhe)cz l w;qcpj

  If the velocity versus time grapc45 9xnb;xr 0y-j+pxx lsk) seh of an object is a horizontal line, the object is4kyr0snxxpx b -c+s5);jxe9l

  If the velocity versus time graph of an object is a straight jszd x+b5m/t y/-nw)m line making an angle of 30 degrees with ths5 m nt/bdyz)j+-mw/x e time axis, the object is

  An object moves 15.0 m nyi5q(7 xg-kc-h+cw9z dudk :corth and then 11.0 m south. Find both the distance traveled and the magnitude of the displacement vectori9kuzd7wk h-cd c gx:+yq-c5 (.

  A boat can move at 30 km/h in still water. fh *vt(b ef:/y gk9fg+f58m qdHow long will it take to move 12 km upstream in a river flowing 6:d 9 hbfmf *v/+fte g8y5gkfq(.0 km/h?

  55 mi/h is how many m2 g ny3 pc4wdw*,dow.d/s? (1 mi = 1609 m)

  What must be your average speed in order to travel 350 km i22ik3e r7umsln 5.15 h?

  A runner ran the maratho u;g ;4+m wk54ld3k0sia lr4cudzsb1p +t2vve n (approximately 42.0 km) in 2 hours and 57 min. What is the average speed of zv4 vc32; ubge1;kdrmwilsua+54 d+ l0kstp 4the runner in m/s?

  A car travels 90 km/h. How long does it take for it to travel 400 kn8we. v/gj*7 vtzf2k pm?

  A ly (light year) is thet p15a2jknm3k 0n ,zvs distance that light travels in one year. The speed of light is 3.00 x 108 m/s. How many miles are there in a ly? (1 mi = 160t,pzv05js1ak 32mn kn9 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road a randrm yjda3d;y(w- 501nty2nd you look to the side for 4.0 s, how far do you travel during t n- ar3rdytdn5y; 102wmdjay(his inattentive period?

  If you run a complete loop around an outdoor track (400 m), in 1 *e/i te0/7a)vsp3hf9 o)zgmxy k*dx*i nqf. w00 s, your average velocitnayi 9i/f.qpx*f/z*w*)odk 0sthx e7vg3m)ey is

  A polar bear starts at the North Pole. l6n aap k;lfk+rme i9 z6,nm+94vu:kk 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 average spnk+zum6 k9kkv m; r4lni9e :a ap6,l+feed?

  A polar bear starts at the North Pole. It travels 1.0 km south, tybcy ex0ntr ,)7-r+aw)d 7swohen 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. This w,w 7xa) d-toyr)rn+e7s cyb0trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from school at 55 m2u5 gp0g3yhdd xm /pf7i/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15pmp x20y53/hdgf dg7 u minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 oo qn8lzjuz0 u+5dpl. :i58lv km/h and 160 km at 100 km/h. What is the average speed of the motorist for t qoo lnj5z+l8zd5:luip .8u0 vhis trip?

  A motorist travels for 3.0 h at 80 kmvzq 1t u(03n;lg u.. qntp8crn/h and 2.0 h at 100 km/h. What is her average speedqn u8qtrl ;3ugv.c01nt(z.np for the trip?

  An airplane travels at 300 mi/h south for 2.00;,7ut8vi l .jelr(slj cne:h3g8i2x t h and then at 250 mi/h north for 750evlhec :utj(l37 itl.rng; x8 2i 8js, miles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 104dqal.y/rhx -0 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 legdl.yxqr /a h4- 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 average5s8xexn kunb l9z,ks -.17qo q velocity during deceleration was 50 km/h. What was the car's -uxlqoks kx,8z .n95 71bnqesdeceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average rateh38pgd+5j )os eqqsvr.gc/y* of ose5*h/.gs 38vp yg drc)qq+j $15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates zz0v csa(:fd3 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 accelerates at26gnudx osr46 yml ql wd3 tv9ie98*t* $4.0 \; m/s^2$ 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 qszy3 k xv) h7u+q8gg210 s. It then speeds up with a constant acceleratio 8u7 zxhsq2 qvg3)gky+n 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 xgknumd0e7j06)f(3bj tvd0 h 2czt7a of 5.0 m/s experiences a constant acceleration of tma0gv727th63u f0jcnb) 0 kdzej d( x$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x dqg(7anpw.,rc r7d 2gmwvl (x1irection) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 2rlgr p(1wmaw.q 7x d7v,ng (c10.0 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 reacm69 u/r5b l8xh:etow bhes 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 6tmh/8e x:urb9ob l5wcatapult?

  A car starting from rest moves with constant axtao-;1vlwldg-9ji ( cceleration 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 average l1da.,:jal c .ho95nnzl;r unaccelerat5nl9l , c.r;an .1au lnzod:jhion?

  An object starts from rest and undergoes uniform acceleration. During thenh))qj z b 8r/e.yuvw orfd)-+ first second it travels 5.0 m. How far w)/ju-hwv)fqrn)e d+ro.8b y zill it travel during the third second?

  An object is moving in a straight line with consl8/pnh)zxe ,vr f)h7z tant acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does i ph7),flvz/r)8h e zxnt move during this time?

  A car starts from rest and accelerates o)+bi b,f4qhyst4ay.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 r;p4 qcwrw,ms/oad 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 traoe2zji 54oxoeil 9x/k8d3 n7effic light turns green, a car that has been waiting at the intersection starts ahead with a constant acelz/x7n8 o4e jo9odx2k5 i i3eceleration 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(vpz smgywes917)8v(cam tk 4 the surface of planet X where the accelere k) vp(c 81zsvy9( g7awmms4tation due to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upwa2l*jh ne.bm 2s- w;c,axcff r)rd with a speed of 12 m/s on the surface of planet X where the acceleration dujwc) b ar2-. mf*e;nc2hs xlf,e 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 15yopik-7cq zn9n.0 0us m/s on the surface of planet X where the acceleration due.n 97o0pcky uzin- q0s 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 wh+0qoo)q5o yr dere th+)qo 0dyq5oo re 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 your frieim(wtgb8k l*o :6n3awnd holds a ruler between your fingers and releases it without warning, how fa lm3(o:wbw g6tkn*a8ir can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 1oja.id g76 ijgz ho a12gk*b4j a8(wf;9.6 m/s. What is its velocity after 3.0kz1 a goo7.jbi2j h ( *ajaf6wdgi;g480 s?

  A bullet shot straight up returns to its starfeleiz 7k8, /cr , ox2j+rmw5eting point in 10 s. What is the initial speed of the 2 5lzx ,8wr kc+e,emjf eoir7/bullet?

  A ball is thrown straight up w3jwbpl0 xo;0 pith a speed of 36.0 m/s. How long does it take to retu 0xbwlp;p3 0jorn to its starting point?

  A ball is thrown downward from the top of a building with an l fe37hfcz j5e7mult cl;,6d :initial speed of 25 m/s. It strikes the grc6ehl ,f7m:c 3e f5ulzl; 7dtjound after 2.0 s. How high is the building?

  A ball is thrown straight up with a speedd,8c y+h5+uogtsbd2q0xz l58b q. o rs of 30 m/s. (only fill in numerical value to5qs8 x b2y0rd.uq5h+,zc+ds gbl o 8in 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 ax( nija (wb36the air with a speed of 30.0 m/s. (only fill in numerical value in 6(nabw(ix3a j 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 velocit3di)4/ghhehqsj .x s/ y at t = 1.0 s?

  In Fig. 2-1, what is the velocity at t = +smqc zo9/gt 1;s4hes7eer;n2.5 s?

  In Fig. 2-1, what is the velob3-(;4m,p er p k )oaot(hm(e6ulvzmucity at t = 4.0 s?

  In Fig. 2-1, what is the4i vhe)3t- s zrllc qo k;*1yjwnk,,:x velocity at t = 5.5 s?

  In Fig. 2-1, what is the +nm;rmb wc0oho7lj,/bc95fw average velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the averib6 ;uo +ma0(9idi,buxz9mceage velocity from 0 to 6.0 s?

  In Fig. 2-2, what is the al1vlw2)q, zd xcceleration at 1.0 s?

  In Fig. 2-2, what is the accelerata2 .kzhlvu3 x*ion at 3.0 s?

  In Fig. 2-2, what is thu ;tlr foweqayb07tctc4m0nv d6 312 7e average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the averag jayem0*mb+ut(-mt 0 ue acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is tl .3oz6)hz+j04ot k ) alvdrvahe displacement from 0 to 8.0 s?