Suppose that an object travels from one point in space to another. Make/b- h1nz,ivldmm v.4 o a comparison between the displacement an,/vmb n h.v1lzido-m4d the distance traveled.

  When is the average velocity of rp,v39noae5n an object equal to the instantaneous velocity?

  A new car manufacturer advertises thac4ns e j8bo.*5vgk if-t their car can go "from zero to sixty in 8 s". This ii cg-.b5f*n8jvek4s o s a description of

  An object moving in the +x axis experiences an acc bxg+s 3 t51iutcedh4:eleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begins to slow dow5e0zjl0rssj1 1 pyxl+ n as it appr0j5y 1s+ex 1lrzpsl0joaches a traffic light. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow dotc.kzibtn i(ll*) g18g:i.r ywn as it ap c .glnrii *b(18.kgzytlt:)i proaches a traffic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statemenp6 a f/77zjymyu+2ob-qsl2 jat concerning its accelera+sjyap -6blo /qmj7zay7u2 f2tion.

  If the velocity of an object is zero, does it mean that the acceleration is ziq13:h dzuu6c 54(oeb :it wlnero nu41(56zih3 ob :i c:letudqw? Support your answer with an example.

  Can an object's velocity chanb.xirz+a /y x zhenifqm9+(qo b*0d71ge direction when its acceleration is constant? Support your answer with an example.* x(0qzb97i+ n. frq+xhdeazo1b mi/y

  Suppose that an object is moving with 5bkkc y9f,oz7wugj-9 z-5rbaconstant acceleration. Make a statement concerning its motion wiajbkkf5 o yzzw9c,-5-r9 7gubth respect to time.

  Can an object have increasing speed while its acceleration is decreasi0e8gd el h5a7jng? Support your answer wi 8jdl5h7ee 0agth an example.

  Suppose a can, after an initnbf7s2ex ahe6 50lx:i9qhf e +ial kick, moves up along a smooth hill of ice. Make a statement conb i9 +lx7eff xsah5:qen02h e6cerning its acceleration.

  Under what condition is average velocity equal to the average of the objecteb2/k6x ekn3bom-km,qsf ;1 e's initial and final veloci2eoee6 kqm 3nbkf s;x1 k,b-/mty?

  Objects A and B both start at rest. They both accelf- wc6/ib)dk jerate at the same rate. However, object A accelerates for twice the time as object B. What is the final s i/f6d)bckw- jpeed of object A compared to that of object B?

  Objects A and B both start from rest. They both accelerate at the samew9ra xulv 89;w1n5cta rate. However, object A accelerates for twice the time as object B. What is the distance trav5 8lnvxat1u;r 99cwaweled by object A compared to that of object B?

  When an object is released from r7o/vydf6be8uez 7 1ouest and falls in the absence of friction, which of the following is true concezeoufuvyd1b/e 76 7o8 rning its motion?

  When an object is released s, rjol-;c s/sa3td a3from rest and falls in the absence of friction, which of the following is true concerning is a-;lra,t/c sdj33 osts motion?

  Suppose a ball is thrown straight up. Make a statement about thewjp 6fa52f2 jq velocity and the acceleration when the ballwa q5fjpfj226 reaches the highest point.

  Suppose a ball is thrown straight up. What is itabdmcjb 6ihsb 6o38 +r 7,w5ihs acceleration just before it reaches its6 b3s8 oadhi7+ ,wcj6rbb5ihm highest point?

  Suppose a ball is tho b6bfox: ::n 6z*psf;aaza8irown straight up, reaches a maximum height, then falls to its initial height. Make s on * 6afb; ::z:zixa8b6fpaoa statement about the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum height, then falls to its inimb ydps l7: +kka:d/ah- xp,u u/56hjitial height. Make a statement about the directipj7/p k 6, dxa mubylu:5:ha+dsi-/hkon of the velocity and acceleration as the ball is coming down.

  Suppose a ball is throwc;v,f;waf ba 4n downward in the absence of air resistance. Make a statement ca4 ,f;fbvw;a concerning its acceleration.

  Suppose a skydiver jumps from a high-flying plane. What is her acceleratiom1k-ka u-xa9 e0b -euht8i:(nqhkq 7 kn when she she reaches termi1hi hxk(m0--et8u u q-kka9neb:7 aqknal velocity?

  A ball is thrown vertically upward with a spee8w5 6 ,tgvqkord 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 ballkw ,tqg5ro8v 6? (How many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of a building. One second later,m + zjjzdmk;v t58g)6y ball B is dropped from the same building. As time progresses, the distance between them gz 5dm+;yz k)jvtmj68

  Ball A is dropped from the top of a building. One second later kp,moto bj:4,mes5+q m/5wxjlxx: +k, ball B is dropped from the same building. As time m+sx +po5ql4 : exj,,obj:t5kmmx/ kwprogresses, the difference in their speeds

  Two objects are thrown from the top of a tall building.jfb1mxb 1 *yzi;6 6wehd2cofy 2qs+ 2g One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when ts+jeq 2;g21hcf6bybzy xm2fd o6i * w1hey hit the street?

  A brick is dropped from the top of a building. A second brick is thrown stri/h5rrd f+ieg6 pk 2s-aight down from the same building. They are released at the same time. Neglect air resistance. Compare the accelerations o 5+sp r h/rgkii6-e2dff the two bricks.

  An object is moving with constant noe5hwq1 n0gk,cwqd +;s16 bzvun-zero velocity in the +x axis. The position versus time +cqsww51v;u z 1de ,ghkbq6n0graph of this object is

  An object is moving with constant non-zero gpnbt.7wr, v7acceleration in the +x axis. The posi t.7vbwrgn, 7ption versus time graph of this object is

  An object is moving with constant non-zero velocif d+7u0wm;mqm, grh*h y2x 0ib 8e7woi2g)c pity in the +x axis. The velocity versus time graph of this object 8ym70 ocp2qm7 hhgfi2 u)exm*big rwi0+,w;d is

  An object is moving with o6q8bq h 3y8uhf* ,jwbconstant non-zero acceleration in the +x axis. The velocity versus time graph of t3qw hbjq8b6y ,ho*8fuhis object is

  The slope of a position versus 9xq t- /mzy(8 -lxus1weegp o/time graph gives

  The slope of a velocity vers26g56 zipev;sq bs: wzus time graph gives

  The area under a curve in an accelwn82. e5r z6 bm4l ,rfyrl(eiheration versus time graph gives

  The area under a curve in a velocity versus time grq43e*rpr sr9j:s pmb9aph gives

  If the position versus time graph of z9-(g t)m/goqx2 mh wman object is a horizontal line, the object mozqtw/9mgh m)-2g ( xis

  If the position versus time graph of an og/rur *o9ukc3bject is a vertical line, the object is9uug/r c*o3rk

  If the velocity versus time graph *ao2 d1 nd(o9id)zx3sq bai(zof an object is a horizontal line, the object isxz(*(92b)noa aidd 3ziosq d1

  If the velocity versus time graph of an object is a straight w 9om ,btbd/w(line making an angle of 30 degrees with the time awt(d,9wbo /bm xis, the object is

  An object moves 15.0 m north and t9vo* q zgtgcw /jr c0iuy6a,9int04k4hen 11.0 m south. Find both the distance traveled and yk w ugcjv/40a,ioq tg 9t zn064*i9crthe magnitude of the displacement vector.

  A boat can move at 30 km/h in still water. How long will it take to mo*if9b)o:qcybm +kqx8 au1h1uve 12 km upstream in a ri q umcf*x1u+bbi9 :haq)oky8 1ver flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609 j8;)sd1siw t3c. jp 50kvcagim)

  What must be your average speed in ordepwl)i*m/ o (gqit*/v,bfbr 5er to travel 350 km in 5.15 h?

  A runner ran the mar)4))p yn3zcbr7quw.tub u 76 r ih;qjxathon (approximately 42.0 km) in 2 hours and 57 min. What is the average speed of the runner in m/s6r7 b p4 r)uznqtycw7 x;b ))quu.3jih?

  A car travels 90 km/h. How long does it take for it to travel 404bxa6q*j9 1t t)jvejl0 km?

  A ly (light year) is the distance tl,sr/1 (gjcfm +u dthjl/fp,7 hat light travels in one year. The speed of light is 3.00 x 108 m/s. How many mih l rjgcj /,d/u+ pffm7(,1sltles 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 :y4q gbox2dnt1 q0i*vm6-pnvto the side for 4.0 s, how far do you *tq-:nm6vx nvg4 d o0yqpi2 b1travel during this inattentive period?

  If you run a complete loop around an outdoor track (400 njn, ;:q(obm/fibe1 ym), in 100 s, your average velocit m1bb:iyenq of ;(,/jny is

  A polar bear starts at the North Pole. zv *gpn3qq*f + 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 tgv* *nq+zp3f qrip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It travels 1.0 km south, thx;u sigol477f:9fi fqen 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 ve ifu7;9 f ig:s7lofq4xlocity?

  You are driving home on a weekend from school at 55 mi/h for 110 miles. It thenl+4 jrd5h +ne .efvr3s starts to snow and +vrj lser3hde 4+.fn5you 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. -ls ut(u+ mhipuqyj(o* 3f4+ze 1ux t: What is the average speed of the motorist for th 4tz(yli-f3:po ets u*u(+hj um1x+quis trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What isxkp ;uxex tpv*) ,5p7q her average speed for,puxe7 xpp tqv*;)xk5 the trip?

  An airplane travels at 3oku1fe cw3 4cf8c)0ca 00 mi/h south for 2.00 h and then at 250 mi/h north for 750 miles. What is the average speed fo 8uw)oa fkc c043ce1fcr the trip?

  In a 400-m relay race the anchorm5p r*tj2ni a-;qqy b4uan (the 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 f-br2 qpq;u54jany* i tinal 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 wrj tl92amv3 enrrt-ay7p58. 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's dece.avl ant78-r3wet2ry r jmp9 5leration while slowing down?

  An airplane increases itsj03xq3mpj2ue i+c jm;q.( unw speed from 100 m/s to 160 m/s, at the average rate of 0. i+e3mjnpquq wjmx2(c3ju;$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates b p 1m+hyy-w h6jujk5-n a75mhat 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 v ir9cfridino2r+o *j35;: gx 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 accelerati 0ox)mm/ uy/(is ev)inoiy(/m) s ou0/m )xeivnn 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 of 5.0 m/s experiences a constant accele k/s .zrzvr.6: ysrlk*ration of k. rsk rlvyz/ rs*.z:6$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x7. t6dnklbcrc 4q1oe2i4wve- direction) with a speed of 500 m/s strikes a sandbag7roed .cvbinwel 1 c-qtk624 4 and penetrates 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 ()u jjmne.l93 z yjr5xcatapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult j5yuelrnm(z.9jx 3j), and this requires 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest movq4 6 av(pux2 e *tm.qos7bwe4mes 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/t-l4*et,o5 ua4e wwu6ztvpi- : za1wms in a distance of 200 m. What is its average acceleraola wta44- z:e1uwt6pmt* iu,ze-w5 v tion?

  An object starts from rest and undiklxqa ih .1c, /:yo8cw, wr5vergoes uniform acceleration. During the first second iro h qickx8wvli /:5ay1,,.wct travels 5.0 m. How far will it travel during the third second?

  An object is moving in a straight line with constant acceleration. Initiallb/jfvex(c+ f 3y it is trce /fxf(3jvb+ aveling 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 ac 0zqw/ jldeb0,celerates 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 rou*k/3-xi bagjt m0hj-ad 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 tu-f ajhf6tp1h/626 g noyfux) 1 sslff-rns green, a car that has been waiting at the intersection1t6 y-2-ho1fnf a6/ fgh) 6fupfjxlss 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 3ddvhj xpj r97q-du055p 4utuwith a speed of 12 m/s on the surface of planet X where the acceleration dueu57dtdvpx d j45 uj3 r9-q0uph to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a sp.g+r f nws)v(t+ui5w feed of 12 m/s on the surface of planet X where the accelera)w5fi. t +usf+vr(wng 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 up wloyj68l wfv+ l3 7qgyw7nu2e6ua 15vward with a speed of 15 m/s on the surface of planet X where the accelw8j7nolu+l1 lavy ywe6u2 5wfgq 36v7eration 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 z:b7 cl2zxuse/f .a6j1m7 2m lgr ic+nwith a speed of 14 m/s on the surface of planet X where the acceleration jx2nzmecb:l7z +/licg ru7 a1s6 m2.fdue to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually grol i;(+t yyu9wz, l5kneater than 0.10 s. If your friend holds a ruler between your finu(+ k l y5nozl,9yw;tigers and releases it without warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a vel a 4ume8 ni:*1pn4fis9ekhxd4ocity of 19.6 m/s. What is its velocity after 3.00 s?d91sinpif 4eu4 x8 *4ek:hamn

  A bullet shot straight up returns to its bc5n09u,dy5(p q/ck( kjv th tstarting point in 10 s. What is the initialj5 utdby tv5k,(9hq(kp/n c0 c speed of the bullet?

  A ball is thrown strk0l0gse cn2fp+ u7u4mp2 -nsyaight up with a speed of 36.0 m/s. How long does it take to retu2e-0 pm0f lgn4uscsky+ nu2p 7rn to its starting point?

  A ball is thrown downward f2 48rx eptb4jirom the top of a building with an initial speed of 25 m/s. rjtp4ex84i b2It strikes the ground after 2.0 s. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only fill in numerica w 9bey:cg14pul value in bwep:yg c 4u19the 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 30.0 m/s. -h .e(bpzfeg*(only fill in numerical value in (p* fe zhbe.g-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 f*u(;m*u udgc= 1.0 s?

  In Fig. 2-1, what is the velocity at t = 2.5 s j2oj myew5s31mtti+werop) ei39)c0?

  In Fig. 2-1, what is the velocity at t = 4.0 s?; xvg9z;4uakd(,pb z e

  In Fig. 2-1, what is the velocity at t 4t5wd yb9/su.9b z(mh bp5cak= 5.5 s?

  In Fig. 2-1, what is the90(y .cp*d9mt zvpfzt average velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 to 6.0e43t fc gsa)1b) vsdd- s?

  In Fig. 2-2, what is the acce0yu y,o:8gm5wv 4fdxy da.ta/leration at 1.0 s?

  In Fig. 2-2, what is the acc zwfyjr6b :2mhp3f2 8seleration at 3.0 s?

  In Fig. 2-2, what is kld/-,zn :pjothe average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the avegg+k; q3q9jeirage acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the dis ;ota:3hqq qch.1-oksplacement from 0 to 8.0 s?