Suppose that an object travels from one point in sp*e(0f7;sn7 tbh vkqr vace to another. Make a comparison b0 bt*rs;k7fev(nv 7h qetween the displacement and the distance traveled.

  When is the average velocity of an object equal to the instanxmub(h2z7q b) taneous velocity?

  A new car manufacturer iamte dea+:ch7bvz7w4 d u5)u6fb. ,badvertises that their car can go "from zero to sixty in 8 s". Thd z7.6he babe) t5miadbuwuf:+ ,c 7v4is is a description of

  An object moving in the +x axis experiences an acceleration lrs:q7dkb e37x 3;y)cbklb1sj 5c uv5 of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the9 rbz37w:ukp -td3a(gczm bp 3 East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concewbm(pt d-3k93 pg:uzcr7bz3arning its acceleration.

  Suppose that a car trvvuq09 9g+cfab1 k*z r .hj2flaveling to the West (-x direction) begins to slow down as it approaches a traffic light. Make a statemqg+ajr9 0vl2f91vfu c .k*zb hent concerning its acceleration.

  Suppose that an object is moving withew7gps6f7d 2 )jes: bh a constant velocity. Make a statement concerndbpjw6)f7 e7gsh:s 2 eing its acceleration.

  If the velocity of an objectl :ja o(qk+yem d bgr8si0m2*2 is zero, does it mean that the acceleration is zero? Support your answer with an example80lm q2(gdemob*:+2rjski ya.

  Can an object's velocity change direction when its accelera /lnc-f;moz9wtion is constant? Support your answer with onf /wzl9c;m-an example.

  Suppose that an object is moving with consta5g; mhl.7xkabn6 u 6hw dl6*txnt acceleration. Make a statement concmk*.xhwn hu xlb;tl766da65gerning its motion with respect to time.

  Can an object have increasing speed while its acceleration is decreasin 6 nu,as-g7ibq 5sjp9ig? Support sgn6i-pj q7b,59auisyour answer with an example.

  Suppose a can, after an initi qogjaq*xw- - y6bt((nal kick, moves up along a smooth hill of ice. Make a statement concerning itsy- (xo-tnwb (qg*ja 6q acceleration.

  Under what condition is average velocity equal t jb l.ckq0/r36 av/erv68lmfso the average of the object's initiae k sl6 rfrv0. 3vm6lcq/ab8j/l and final velocity?

  Objects A and B both start at rest. Ths7pzlyd 2u:8z5 as *h n*wtb3wey both accelerate at the same rate. However, object A accelerates for twice the time as object B. Whnz a sul7*d2*:y w8w sb5h3zptat is the final speed of object A compared to that of object B?

  Objects A and B both start from rest. They both al)q)fpp2+;* yarhb()m gxzzf ccelerate at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by object A compared to that of object r2+z;f (a m bqplhy)zfp))x* gB?

  When an object is released from rest and f(hydya -1 re/malls in the absence of friction, which of the following is t/y1mr(y-da h erue concerning its motion?

  When an object is releavu sb23b*j- cfsed from rest and falls in the absence of friction, which of the f jb*vsu2f cb3-ollowing is true concerning its motion?

  Suppose a ball is thrown straight up. M.i 5kjr mh2ve+hne: :pake a statement about the velocity and the acceleration when the ball reaches the highehpr:i2e je k+ vnh:5.mst point.

  Suppose a ball is thrown straight up. What is its acceleration just befor+a(fhs 8r hkv;e it reakfsr( ; h8h+avches its highest point?

  Suppose a ball is thrown straight up, reaches a map ht:pkd3ffpr j gp,(ey( .8,dximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration a3d fp8gf,rpp :p(,t h(dekyj.s the ball is going up.

  A ball is thrown straight up, reache6e6 cff4 nvjc+1n+f lrs a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball ijf4 lnf6c +1nrv fc6+es coming down.

  Suppose a ball is thrown downward in the absence of air ren4m 4kmd8 qffi27mdeo 8-ord b hua+/8sistance. Make a statement concerning its accelerationd-enom7am8/r28i b d f hqd4k48ou mf+.

  Suppose a skydiver jumps from a high-flyipnv:pi8bw *hq i(u(v 1ng plane. What is her acceleration when she she reach pwun(1* bv(p q8i:vihes terminal velocity?

  A ball is thrown vertically upward wit.s 0ke8/rxo esh 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 highe skr08xo se.e/r does the second ball go than the first ball?)

  Ball A is dropped from the top of a builv/g3 cbt-obx .x*osv 1uipc7g /-ox8wding. One second later, ball B is dropped from the same building. As time progresses, the di-xb8 * v3t c1vxcw-osx o7//b pogiu.gstance between them

  Ball A is dropped from thdg8w( k-)w2 uu 15a1rqf)kwdoemt6bk e top of a building. One second later, ball B is dropped from the same building. As time progresses, the diffem(trkgudwd 5)w1)18qfa2 6- ke bwkuorence in their speeds

  Two objects are thrown from the top of a tall building. One is thr7i:gjl5af5.ym/fb d0ga9 bp q own up, and the other is thrown down, both with the same initial speed. What are their5aqi9b f70 l/a.g jbf5mygp:d speeds when they hit the street?

  A brick is dropped from the top of a building. A second brick is th. vmbork 52y)m6ock: hrown straight down from the same building. They are released at the same time. Neglect air resistance. Cbo56mhco).mk:2 vk ryompare the accelerations of the two bricks.

  An object is moving with constant non-zero velocity in the +x axis)5n+m:pzmvj2 kl3ona hxk6zz2 1gve(. The position versus time graph mz(3 no2)knvx2zh vz m p6+ak5l1gej:of this object is

  An object is moving with constant noy2 id0//cbeesn-zero acceleration in the +x axis. The position versus time graph of this object isbe ycid/0es2/

  An object is moving with *qw8 vi0pv+a;w vb2+bm n3uinconstant non-zero velocity in the +x axis. The velocity ve0 v;vv awuqpbm+nin*b8i2+ 3wrsus time graph of this object is

  An object is moving with constanoc/)9, zysyhgt non-zero acceleration in the +x axis. The velocity versus time graph of this object )o, zc y/hy9sgis

  The slope of a position versus time graph gf8ka*3pitx,eadr ) h3 /pq h*dives

  The slope of a velocity vers:swk7 a-zvw(w8 yjqo69-qpfaus time graph gives

  The area under a curve in an acceler*edpscn :821 u7kgvcmot6i+ iur;c6 p ation versus time graph gives

  The area under a curve in a velocis4bqpk v9q- c aagc)-(ty versus time graph gives

  If the position versus time graph of an object i3ti1nsv6rr5y p j 7b4es a horizontal line, the object i7jb p4 ni1e3tsv6r5y rs

  If the position versus time graph of an object igy+g1yh j)hqv v; 1e(f5 xo8qps a vertical line, the object isqvyxf g1vo)1ghe (yq8hp; 5j+

  If the velocity versus time 1n;w 1lef/bjc- e9gs5l rmzv +graph of an object is a horizontal line, the object i-er11zb 5wgl sv/c;9jfm nle+s

  If the velocity versus time graph of an object i y* qy*ohiq-wa 0nm+07x;wsmg s a straight line making an angle of 300 soma*7wy;i mwx y0qnqh+g-* degrees with the time axis, the object is

  An object moves 15.0 m no ywv+ w/p9:lxmi (5s zjq5ku*lrth and then 11.0 m south. Find both the distance traveled and the u(*9jq pli+zw k y5/:5 xvmswlmagnitude of the displacement vector.

  A boat can move at 30 km/h in still water. How lon0as21pb.4u xdob3( b9tmpa c mg will it take to move 12 km upstream in a river flowing pm tub0x(43oaamp1bcb d 92.s6.0 km/h?

  55 mi/h is how many m/s?f +7pbim kf4m. (1 mi = 1609 m)

  What must be your average speed in order to travel 350 km in 5.15 hnq8s- svyq :8l6ju,:7yc-wdwulaj 8a?

  A runner ran the marathon (approximately 42.-ejf(o30e i lu0 km) in 2 hours and 57 min. What is the average spee03eo -lfij(ued of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to tr//g +tt8jjr mnavel 400 km?

  A ly (light year) is the distance th4epx0r2a5 a huno k:kbne ).f/at light travels in one year. The speed of light is 3.00 x 108 h 0brx/5a2kofn 4nu:ep)ae .km/s. How 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 ag,mnetv)-b3zl;ztwb xv )7 n9 nd you look to the side for 4.0 s, how far do you travel during wnb3 extz vtzgln;)79m- bv),this inattentive period?

  If you run a complete loop around anfjyz.kck tg r.h.(+j3 outdoor track (400 m), in 100 s, your average velocitf jkj.t..(hz+r ck 3gyy is

  A polar bear starts at tg)klp or/c(w/he North Pole. 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 avekow(/l)gp /rcrage speed?

  A polar bear starts at the North Pole. It travels hz6 qj* gjje+6bi:a* *isz0dy1.0 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. 6sz6yzjdbq i*** 0+a gije :jhWhat was the bear's average velocity?

  You are driving home on a weekend from school at 55 mi/h for 110 uvjn czjqv,*d*b srd f8 m2q)6+fj1)rmiles. It then starts to snods+uqdjrqb*m6c jrv,v)nz 2 8f) j*f1w 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 and 160 km at 100 km/h. Whafy :ngusp,i 0ysm5w,qesy 2,+t is the average speed 2smge0nyu y,5s,f q+ps, :ywiof the motorist for this trip?

  A motorist travels for 3.0 h at 80 km++ l3hdv2*d goujnh:/kpn 3 mg/h and 2.0 h at 100 km/h. What is her average spedg u:lhn3 g pkh2ndo*/+mv+3jed for the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at es,*ko4//m .nxolupt 250 mi/h north for 750 lu.en/,* t4xm/op kos miles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (the person who ruxioj ;,6wps m4ns the last 100 m) for team A can run 100 m in 9.8 s. His rival, the a4;p6,ijw m xosnchorman 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 hr 2opna((bs -.lr r;n3za7pu comes to a stop after 10 s. The car's average velocity during decelh7n;z as.b2 3( roppar(-nlureration was 50 km/h. What was the car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at the average r2u 8j/i;u xa;opxej knm99u4aate of poex 4;;j kuau j2/8n9ui9max$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at 6r1ltgb+*lifthe 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 rel /ldp7o 3u*zj ;qa)cest 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. It then speeds up with a constwtp-jg b74p*hou w3ezk: p, 7want acceleration of *w7bok:wp 4 -j73hpgzpu twe,$2.0 \; m/s^2$ 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 conse0 (opfpj bdgos(t3 iv8d:j3-tant acceleration of3div dtpo: 3fj(bp(g-je0 o8 s $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+ 5ohbbfw eo)33x direction) with a speed of 500 m/s strikes a sandbag and penetro3be 5) whfob3ates a distance 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 carriervy qv)f :3+be*lw2xko. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. Assuming the acceleration isy fv3kb v +:)wolqx2e* constant, what is the length of the catapult?

  A car starting from rest moves with constant accelerati.*nixtdfi0tpzobx r0p* /xrn( 7m 7-lon 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. Wdp5 /8i55dfewf 9e do- nyj6mzhat is its average acceleratij9w5f6-id /e5 yodn8f ezpmd5on?

  An object starts from rest and und9)svhzp ft(0xergoes uniform acceleration. During the first second it travels 5.0 m. How far will it travel during the thxps9(0tfhz ) vird second?

  An object is moving in a strm /w /*hp8ibfkaight line with constant acceleration. Initially it is traveling at 16 m/s. Three sfm wih/ b/*k8peconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and accelerates uniformf ju/ w1;hb0lply 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 sfhuw gnbe- q41.-,fx 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 light turns green, a car that has been waiting a bvy5irqgkn2 sl(. 2l0t the intersection starts slygi.5bn20 r2 qklv( 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 upwardu(lwsc 6rowbt tx g)syf8zv +.ee09-/ with a speed of 12 m/s on the surface of planet X where the acceleration duer tzg6 w)culotvybe.s8-0/ex9 +w s(f to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with 4ur ,,*ywwhp:bp0ey la speed of 12 m/s on the surface of planet X where the acceleration due to gravituybl, ,phrw:4 epy0 *wy 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 ofzaq(fx1deciikcyw90.* 9 l.1n y9y gr planet X where the acceleration due to x1yk * i9a.01c( lgn9i.f wycyqdze9r 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 p.oyl87mz *.m/p qfix :fv -gza speed of 14 m/s on the surface of planet X where m8z 7*y.qlz-g fimx.p p/o:vfthe 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/, r vparf 0bfhe-dosu)jc(8: than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can8e,:(/udp) avo s0 hfr-cjrbf you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. What is its velz;0u4g dm) 6btm) wpjnocity after 3.00 s6u4; bmwg)mtj)pznd0 ?

  A bullet shot straight up returns to its starting point in 10 s. Whatkj(ays2 rm+fxpdxn0 69vz( 2t is the initial spee962j(d rpt x0snv+mxza 2kyf(d of the bullet?

  A ball is thrown straight up with a speed of 36.0bgxm)mnj m7;(u* yf x:0cbit1 m/s. How long does it take to return f;g)*j1bmc0:m xbm ix(u y7tnto its starting point?

  A ball is thrown downward from the top of a building witf pzeg;8y2ub.n6z j7i h an initial speed of 25 m/s. It7.zi fugn8ye 6 2pjzb; strikes the ground after 2.0 s. How high is the building?

  A ball is thrown straight up with wv1uz;oxcc( 3a speed of 30 m/s. (only fill in numerical valuevu13ccw;xzo( 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 intj29qd5oeev xqykqsuf /; +s0jjm8 6w(o the air with a speed of 30.0 m/s. (only fill0ed2x6jqwjs u 5 skmo 98eq;/v f+q(yj in numerical 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 velociln/- riph ewsd6 q:ojx .hu:ur;ee)5)ty at t = 1.0 s?

  In Fig. 2-1, what is the velocity at t = 2.5 s: agp ot+ rsuj*6,iv)ubtb;as*;zox7?

  In Fig. 2-1, what is the velocit;b ggafyz4t7 l1f* q5wy at t = 4.0 s?

  In Fig. 2-1, what is the velocitwp:3fjas8 - 0 byf6ycpy at t = 5.5 s?

  In Fig. 2-1, what is the average velocity fromx esw,-u6m2r.roxc.v b*pkl xwlx . 2+ 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity (yc-rwg l ric,gmx 84nii6 .;qfrom 0 to 6.0 s?

  In Fig. 2-2, what is the ac1g( yr;,)g0o utqlfxlceleration at 1.0 s?

  In Fig. 2-2, what is toke : iv53pp)* rgolo.he acceleration at 3.0 s?

  In Fig. 2-2, what is the average acceleraqbht-c6f6k,x ex1x)y tion from 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to)wmjh l2t6e y)(gb .ic 8.0 s?

  In Fig. 2-2, what is the displacement from 0 to fy*j+krwc p,+ 8.0 s?