Suppose that an object travels from one point in ((:-t;/ffg likvbl w7tb uw3hspace to another. Make a comparison between the displacement and thllk:hwvfu t3 /b gt(-;w b(if7e distance traveled.

  When is the average veze1* d4fc/dfyps5j0mlocity of an object equal to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "from zero to sixbfgck 8 57 vq*4k0zyroty in 8 s". This is a v*ro0cqf84 5bzk gyk7description of

  An object moving in the +x axis experientk8 5d ;s))jnk3 grmnoces 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 d( zg cpa+cs* b9: nh :npr3uqc6+oxn0xown as it appr sxn*ghocz+:06punanx 3b 9qr:cp(c+oaches a traffic light. Make a statement concerning its acceleration.

  Suppose that a car traveli.0wv1h w77.p e8 sufh;nv arkyng to the West (-x direction) begins to slow down as it approaches a traffic light. Make a statement 07k8 7nhsvv; weay1wu.r.pfhconcerning its acceleration.

  Suppose that an object sp.3 exdluf02pzmj45 is moving with a constant velocity. Make a statement concerning its acce e2pjpuzf43 ms.x0ld5leration.

  If the velocity of an object is zero, does it meqkx4 ymcn8d; y96fwn -an that the acceleration is zero? Support your qk4d c6 xm-;w8y 9fnnyanswer with an example.

  Can an object's velocity change direction when its acceleration isyso,itngx+z17adu3d 5hlk )c k-l 62x constant? Support your a 5lo7uc3s12 nkz6ydhdig-,+ x l ka)xtnswer with an example.

  Suppose that an object is moving with constant abh6qvrx:,ode rxil /-4 ho)w5 cceleration. Make a statement concerning its motion :-ix 6/ ,dblvq4hoo)5hr ewrxwith respect to time.

  Can an object have increasing speed while its acceleru l ,4ndwq+i*rj.:ww)jclh )x ation is decreasing? Support , uwc n ixl )d)4j*:l.rwq+whjyour answer with an example.

  Suppose a can, after an initial kick, moves up along a smooth hill4:i:e) -emdkp cq+mrb*bq -h l of ice. Make a statement concerning its aq b:4- )ri:eb mlhc mdq+-*ekpcceleration.

  Under what condition is average velocity equal tov(k qkvjk zz8 e3c;d17z:n/l n the average of the object's initial and finzjdzlknk qcv;17vn8 3/:(ezkal velocity?

  Objects A and B both start at rest. They both accelerate a1ss vb 3: gczj96b,,npyu*r--phvv fxe2f kg*t the same rate. However, object A accelerates for twice the time as objecyn-sv,k xf2 sbrb9hc-u z 1g*ef,pv3*jpg v6 :t 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 acceo9vpxjr/ .w0 elerate at the same rate. However, object A accelerates for twice the time as object B. What is the distance travep/oexw9 0rv j.led by object A compared to that of object B?

  When an object is released from rest and falls in the absence of friction, wpjd4 4drv 3lb- 2+utnhtlc6)zhich of the following is true concerning its m4p32n+d -)tll 4c dhju6vtbrzotion?

  When an object is released from rng;o l b/ de3.wi1zw6zest and falls in the absence of friction, which of the following is true b;z/ 6 dg3owl.enw1izconcerning its motion?

  Suppose a ball is thrown straight up. Make a statement about the velocitycwkro59.e ;bti9z m6 a and the acceleration when the tz6mio 95rw.b ck9;ae ball reaches the highest point.

  Suppose a ball is thrown straight up. Ws wcz17yh*am52beyh5) h 1kjkhat is its acceleration just before it reache 2jy h y*k7ceh1askb5z5mw)h1s its highest point?

  Suppose a ball is thrown straight up, reaches a maximum height, then fko5fkl +;zo-halls to its initial height. Make a statement alokk;o- 5h+ fzbout 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 ig*j kb ak ;kxut*)2ry,:/ siznnitial height. Make a statement about the direction of the velocity and acceleration as the bux *k2t ) :gznyrj,;akb*iks/all is coming down.

  Suppose a ball is thrown downward in the a j7uri6 ),kqm 8ftxzy5bsence of air resistance. Make a statement concerning rz6kt7,fu8qxi y)m 5j its acceleration.

  Suppose a skydiver jumps fro d.rfzf so +e5a5n4le06s ;orqm a high-flying plane. What is her acceleration when she she reaches terminal veof0;qlsoned 56+sea5rrf z4. locity?

  A ball is thrown vertically upward wia gby/dyf3(rv s)6 ,ebth a speed v. An identical second ball is thrown upward with a speed 2v (twice as fasf/r(y6 3 ,bvs yda)egbt). 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 ball go than the first ball?)

  Ball A is dropped from the top of a building. ui +/h2(ndypt .a4va.ozc dp6us- y e,One second later, ball B is dropped from the same building. As time progresses, the distance bev6, sh y+e c2n/y-d4 po.za. dtuapi(utween them

  Ball A is dropped from the top ofgl;ut4) -fv*jz qkj- o a building. One second later, ball B is dropped from the same builoqfgju*j4t--k) v zl; ding. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a tall building. One is thrown5kmu5 zihkcmk0f1 3 6s up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit5hm 1iz kc30m6kks5 uf the street?

  A brick is dropped from the top of a building. A second brick is thrown stavo9z,t87yev0vim+g4n9 b6ub 9m h wxraight downoxv6v hm7 u9be,4wtv+bz n a99 g80yim 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 co o8rw;vp) 2q1 jszn*bhnstant non-zero velocity in the +x axis. The position versus timev wo8jnhqp12* s) rz;b graph of this object is

  An object is moving with jkm d 2 b*du,g,m9d)lzconstant non-zero acceleration in the +x axis. The position versus time graph of this object is*db)udk9g lmz 2md,j,

  An object is moving with constant non-zerozu f*cnvd n.mrcsn)u.205y;s velocity in the +x axis. The velocity versus time graph of this object . unuvn)2rycm;*cs0n.s zf 5d is

  An object is moving with constant non-zero acca lm 38lsy:oj.ydu p j0ts.po .l6ie/(eleration in the +x axis. The veloc.e0dp3s.l(py6 otsau. im jlyjl/ 8o:ity versus time graph of this object is

  The slope of a position versus time graph gly0 :p i0u3f nz yo*uz-s01iobives

  The slope of a velocity versus time 1 adxwoe(k;q74cfz e,graph gives

  The area under a curve in 5e9yczw v;d 8q/zm.xoan acceleration versus time graph gives

  The area under a curve in a velocity versusdja w* *pu3:-lunm+ggbb-u4 e time graph gives

  If the position versus time graph of an object is a horizontal linevvu:um 8*bn:x9n wz3o, the object iow8:mxnzvb*un: vu 93s

  If the position versus time graph of an object is a vertical line, the object tdpp+v1)gm -(1 ol -goo ln.ysisnlgyvd gs.plmop- )ot(1- o1+

  If the velocity versus time graph of an objmo/ 2*f)z 8bhhpfxx/oect is a horizontal line, the object *pb8o /2hzx )omffh /xis

  If the velocity versux c;v+hxhs)bq)wr )i1s time graph of an object is a straight line making an angle of 30 degrh;x)ci )vr wq1hb+x) sees with the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both t :h0jm3,ixss phe distance traveled and the magnitude of the displace0p:im,s s3hjx ment vector.

  A boat can move at 30 km/h in still waterpcbwi+*zu(szf ()5i e. How long will it take to move 12 km upstream in a ipzei (sfzb +)cuw(5*river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609n a0zi;eoe9(i m)

  What must be your average speed in order to travel jx -3 djfhm1-x350 km in 5.15 h?

  A runner ran the marathon+i l25hsy(h tc gygi 4p,m28nn (approximately 42.0 km) in 2 hours and 57 min. What is the average speed of the runner in m/h4ni8ypy h(cgl,5i ng2 +2msts?

  A car travels 90 km/h. How long does tm,c9f )q*cr zzk*e31hvnv2 d it take for it to travel 400 km?

  A ly (light year) is the distance that light travels in one year 40skcpx,j h8g7al,tjx jwao*vk22 n). The speed of light is 3.00 x 108 m/s. How maxan clgxjv,tjp7kh22j 40 8kw )*,osany 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 the side for 4.m9mb31qy9 ft hcs( nqn8n8n 1t0 s, how far do you travel duringt y8nqqn tschb(8nn13m1 f9m9 this inattentive period?

  If you run a complete loop around y14i4a bdik3zbhx3 kl- af18can outdoor track (400 m), in 100 s, your averagelbzi-dkf4 c1 3 ab1hki4a x8y3 velocity is

  A polar bear starts at the North Pole. It tbl/z bji0 /76g-6p exdc:4auz0dsmssravels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting posb0/zczb6ed d0m/j sl x- 6uiag:s47p int. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the6 wrn.f;g:zhfn 8s;fk North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1f; ; kn8hf wfgrn6:.sz.0 km west to return to its starting point. This trip takes 45 min. What was the bear's average velocity?

  You are driving home onqzyo 8( np(hj+6i9wi+pm mkn/-mnjw 5 a weekend from school at 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 minutes. How far is your hno (j mzw-nkp 9 6iimh8my/(wqp+n j+5ometown from school?

  A motorist travels 160 km at 80 km/h and 7;q5k fx i/cpv a;y lri7tl+-u160 km at 100 km/h. What is the average speed of the motorist for thi+lt;i xyk-u i/p fr7laqv;75cs trip?

  A motorist travels for 3.0 h at 80 km/h anbh r8 4lt/qui5d 2.0 h at 100 km/h. What is her average speed h/ u54lb8qi rtfor the trip?

  An airplane travels at 300; *ble12ljlql mi/h south for 2.00 h and then at 250 mi/h north for 750 mlb* q1 2lejll;iles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the )+k3gqzay9 q 5doyj(flast 100 m) for team A can run 10 qy)z9 j3d5a (+fkqoyg0 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 10g+qa*zxh )oi3to38e u s. The car's average velocity during decelerationxoait3 u3gze o +h)q8* was 50 km/h. What was the car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to 160;c2/x74 .gfjmmt lr lt m/s, at the average rate of .27;/x4crtfjmgtl m l$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate o yh6 pmz( j(bfr+nvxo 4;:)xuqf)j s1yf $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from r4 g-*d: zdco 9lciemxv hq72i 8kn tmgh(c768aest 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 constant accele,.p zuzd- a.ch4uf;p vration ofzh auf .,-dpp.uc ;4vz $2.0 \; m/s^2$ 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 constantk s8rb20zjj ;rl2p8j+ w yph9j acceleration o8s pjh y; 0+k j9br8lz22jwpjrf $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x directuh b ,/2tk*vjdion) with a speed of 500 m/s strikes a sandtbd2 uj,*/vk hbag 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 catapu x9e hd e1t3wqw6:.c1ff*4ot gv vt6belt on an aircraft carrier. It reaches a speed of 42 m/s atgt:t6ehw4fv1 o*e6q9c. xfwbtd 1ev3 the end 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 constant acceleration n 7h1ro+a2 7 yq rkaz*(gh7pwdof $2.0 \; m/s^2$ 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/o,ggkg(qs)vnf0 bs */2 )ozafs in a distance of 200 m. What is its average accelf gv)za gob )/s(0qn*f,2oks geration?

  An object starts from rest and undergoes unifor*8i akuqa zb)3jr).,9nb byiem acceleration. During the first second it travels 5.0 m. How far will it travel duri. ui)89ibyab zabke,)r*qjn3ng the third second?

  An object is moving in a straight line with constant acceleration. Initialli (w z1a)is-hry it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How i-s)arw i1(h zfar does it move during this time?

  A car starts from rest and accelerates unif4at rw5d5e+ c-cu i,bcormly 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 h4w7ovzl . ao*1gtvyo0m l(4 sdry 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 light turns green, a car that has been ow*s1./lnqtgzr-qm -, 2 /* tc7x dqa2asajupwaiting at the intersec-.ja stqs/d 7nq1o* lua r2q-*xw2,mgza p/cttion 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 wi5 6dm9m8h9zmo:hw qmith a speed of 12 m/s on the surface of planet X where the acceleration due to grav:9 9 5mh8mzmh wq6mdioity 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 5e4;e.ufyfy u1 hyfh (m/s on the surface of planet X where the acceleration due to gravity f1ufu4 .5hf;(yyhyee 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 c gvs5y1h m 1hgj)ccnn;g, 72(qfp.cam/s on the surface of planet X where the acceleration due to gravity gc h;.5fs,jcnpy2 hq (ngv c17m1cag)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 wit8*ae -0p6gjcr3n gif kh a speed of 14 m/s on the surface of planet X where the acceleration due to gravif 0gcji-g6ak8e prn*3ty 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 friend holds a rulebtfn1j .;kdm et*cc/* r between your fingers and releases it without warning, how far can you expect the rule.bf*1c; tjmk t/*n dcer to fall before you catch it?

  A ball is thrown upward vrh 0kn2 n72snb ,y l6vsq q* pzq1mns72+gnz:at a velocity of 19.6 m/s. What is its velocity after 3nqknb1 g qz2*7 pzv+27nq6shs , 2nlv0 snmy:r.00 s?

  A bullet shot straight up returns pkgw,(40djx jy5 gj-yto its starting point in 10 s. What is the initial speed of the bullj4y0wjg -y,p(xkj g 5det?

  A ball is thrown straight up witht g,adae- ff2fm5: ;sd a speed of 36.0 m/s. How long does it take to return to itstmda sef :2d,5-gff;a starting point?

  A ball is thrown downward from the top of a building with an initial speed of hhff p sh1(je1wy: :. srkym)e;p4/jz25 m/s. It strikes the ground after 2.0 s. How higheh ff/hh4:kpj(p; z11w)yrsjmy :.se is the building?

  A ball is thrown straight up wiqrm6kjha;)qln ll e;- /aq:) kth a speed of 30 m/s. (only fill in numerical valueea akhqkr:q6;/jnlm)l ; q)l- 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,8sriwqbs)vq3ueov *y x/ y4dm3yq: k,ym1.x with a speed of 30.0 m/s. (only fill in numericarb:4*yim,x k qsv 8veuo/yx y3wq1syq),d. m 3l 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 velocity at t = tc1 z5 dss91ws1.0 s?

  In Fig. 2-1, what is the velocity at t = 2*kfl x6dlmh (;gh3d09l bn1ck.5 s?

  In Fig. 2-1, what is the velocity at t ra0epx 8zf2o 8= 4.0 s?

  In Fig. 2-1, what is the velocity at t =6tqeml0 hgv zi +eyp7*c,y2:p 5.5 s?

  In Fig. 2-1, what is the avee1vvl e n3 wi16f:+1tgqfhy:trage velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity 8)y8h2(wqx oo;,(dz.libi pqgtdhr+ from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration p a:1a2yv ycu44n4epxat 1.0 s?

  In Fig. 2-2, what is the acceleration atmzxs- ghg z)0-/y lk4g 3.0 s?

  In Fig. 2-2, what is ,qpy8svpg v1 1wbhzz/6i (ws7 the average acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average e456zsn /wnxup* *p j fex6dch6(f3klacceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the uy,:,72 w;qc)rr9vq9l7zm-r p ey dw 4yuupxudisplacement from 0 to 8.0 s?