Suppose that an object travels from one point in space to another. Make a comphha9 k7lrt:xy1g 4 n0narison between the displacement and the distance travelegn9haky 40 nthl 1:7rxd.

  When is the average velocity of an objecr 6+adsanp2 :4dea,1q4a dg 9dlm tdy:t equal to the instantaneous velocity?

  A new car manufacturer advertises that thei9v (.xot8dp)hlno pr;r car can go "from zero to sixty in 8 s". Ttoxpdr;n8l( . v 9)hophis is a description of

  An object moving in the +x axis experiences an accele;sk sb jf3 /3t71usvkbration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) beg82 ci 3z(y aele/7zcxlins to slow down as it approaches a traffic light. Make a statement concerning ccz ly (i/al3ee27 8zxits acceleration.

  Suppose that a car traveling to the We,6d*g en2atipst (-x direction) begins to slow down as it approaches a traffic light. Make a statement conn2tgiapd*e, 6 cerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statr/3zq(jb71e hct b : aoan(br2ement concerning its accelerationr/hr(o:7e2bjq tc3 a(z1b bna.

  If the velocity of an objectjrgqsj/tx4z+ o,ux n6(o5 wg 1zf*e3g is zero, does it mean that the acceleration is zero? Supportj3+sxxr6( f41, qg*zz 5ow /gegtnj ou your answer with an example.

  Can an object's velocity change direction whe1dxhv: 7qo( cn1hmp l:n its acceleration is constant? Support your ans hp1h1vm7(q o:xld nc:wer with an example.

  Suppose that an object is moving with const is53w 46 hi2d;lnbmgjgh)d9tp x0z- fant acceleration. Make a statement concerning its motion with respect to ;9si5dxhgb6fig n0 )tl24zm pjdw -3htime.

  Can an object have increasin4 6vp;w(fh wteg speed while its acceleration is decreasing? Support your answer with an examplehwt6e ;(f wv4p.

  Suppose a can, after an initial kick, moves upj/c/1. yy5snev fo.fd along a smooth hill of ice. Make a statement cosfyj5y c..1nd of/ /vencerning its acceleration.

  Under what condition is average velocity equal to the average of ty-bh4rzae ,gu o7w h72he object's initial and final vel47zowbe7h r -g2 u,ahyocity?

  Objects A and B both startoly4l )ug7b) m(:, pi wnjkx.n at rest. They both accelerate at the same rate. However, object A accelerati(4j gn wb)oul:.7 ,)nypklmxes for 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 startllt-g4:r;v nn o2 sc-.t kytjqn y4c)+ from rest. They both accelerate at the same rate. However, objectsj);+.qg4 v2c-4l tcty-ktlnr :ynno A 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 rese v:tc2hm3zl2t and falls in the absence of friction, which of the following is true concerning its motioct32vm2hz: len?

  When an object is released from rest and falls in the absence of friction, rsx dgkb 4v9 j5g6:hf)which of the followihkx 9gf5 :sgdbr6j 4v)ng is true concerning its motion?

  Suppose a ball is thrown straight up. Make a statzhh:* gc : ohu d3en: kdswi3,:tr5d(gement about the velocity and the ai 33, d*h(:orwce:hz:nd5u: gds htkgcceleration when the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is yh(rb* e8s8a*s5 bdygits acceleration just before it reaches its rsd5s e8 ag 8hyb*by(*highest point?

  Suppose a ball is throw;p,nq4xcw,e9iihxw 4 n straight up, reaches a maximum height, then falls to its 4wn;i ,9weqicp xh x,4initial 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 maximum height, then falls to itsj1p uye vf-w(8j s;dn) initial height. fj(e-ujyw;s8d n v1p)Make a statement about the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward1ju- 4lb; -4 bnakifbj in the absence of air resistance. Make a statement con-a1bl4jukj-i4f b b;ncerning its acceleration.

  Suppose a skydiver jumps from a high-f d- c98x 0.t3npmsvxhkzepi17lying plane. What is her acceleration when pz07ind.k8 c1s m9th3xp- exvshe she reaches terminal velocity?

  A ball is thrown vertically upward with a speed v. An identica3)jrm jrl e/g5 hugf:2l second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maxmfr 3 jg2r5l/j)he:gu imum 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. One second lw92/ oo ev5gl3v+b b q5ax6wvlater, ball B is dropped from the same building. As time prowqag+ 3ol wv9 xl/o v5evb526bgresses, the distance between them

  Ball A is dropped from the top of a building. 2cv,muipy/yb6 r2ja35 5lozuOne second later, ball B is dropped from the same bujl aoy y32 u5v2/rpm5ic,uzb 6ilding. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a ta3r, .os qhu4yxm:5(t fepnf;qll building. One is thrown up, and the other is thrown down, bot.fhqny3 p(, e xf4sqrtm :;ou5h with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from the to1atoj gcfu r2*:85ubhp of a building. A second brick is thrown straight down from the same build8 c*atfo:uhj br1 gu25ing. They are released at the same time. Neglect air resistance. Compare the accelerations of the two bricks.

  An object is moving with constant non-zero velocity in the +x axxqzmu9 tiog8.z3rl:7 is. The position versusrl:mto9z7i8 guq x.z3 time graph of this object is

  An object is moving with constant non-zero acceleration in the +x axis. The posi6p v38pq ggjdsc u6(i 7pd r6ios/;84ow dm1jxtion versupss q/ppwgd 8jij1o6xd 4v;o(7 ir gd8cu636ms time graph of this object is

  An object is moving with constan4inez ff g19s-9ljvj+ ,kt*l *mke1vyt non-zero velocity in the +x axis. The velocity versus time graphv-m kjlz 1 ,+ikf*vtge49* f9lnse1jy of this object is

  An object is moving with constant non-zero acceleration in the +x ag x459-x ukizs* riza;t,,4tztcok5y xis. The velocity versus time graph of this o*it,5 kxo4tczzy5g, s xr- ku 4atzi9;bject is

  The slope of a position versus time graph grlw-/ilc7 mp 3mzpv*2ives

  The slope of a velocity versugyjr ol)1 ):yxg3/)6m tmfcxw s time graph gives

  The area under a curve in an accelk:r +zvbk37s.d 2q oood,2d fc7auop/ eration versus time graph gives

  The area under a curve in;*flq npnf80 be7i+ rf a velocity versus time graph gives

  If the position versus time graph of an object u upfw7l2e/b +atp ki,w ja87v1.(z rpis a horizontal line, the object isi1ae/ uv8,u(w pjz a w7lfk+tp.r p2b7

  If the position versus time graph of an oby,ynsrrp9r;w7;m886 ne 5. ym kdz hwsject is a vertical line, the object is, rm;.pnsnrkyh7r;s 6md8yy58w z 9e w

  If the velocity versus time graph of an object is a horizg.o*8- mgbirdg*eh-c qcclz- ; ;3gprontal line, the object ;qp; *igr h-c38rc co.-g*gdmbe -lzgis

  If the velocity versus time graph of an object is a straight line making a.o/hh 0c7dma wn angle of 30 dh. o7w/0mhdca egrees with the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. idqb 13 8bgxh5t*4lmnc16aqr Find both the distance traveled and th b4ln8br1x6g aq*tq hd3i5 mc1e magnitude of the displacement vector.

  A boat can move at 30 km/h in still wat 0x pt f1(* uzoephwdt;3wz)wshr)h8a**vo4oer. How long will it take to move 12 km upstream in a river flowing 6.0 *x)o)fwwdzwsp tp z*3 vehu1(oho ta4 ; h80*rkm/h?

  55 mi/h is how many m/swf r:8de en.l1 zerq: wg+i5.z? (1 mi = 1609 m)

  What must be your average speed in order to travel 350 km in 5.1 eg9tss z+x(piw, x78c5 h?

  A runner ran the marathon (approxima q)+t fw.i-dyqtely 42.0 km) in 2 hours and 57 min. What is the avera+f tw.qidqy )-ge speed of the runner in m/s?

  A car travels 90 km/h. How long does it t j+yx2o6abgpi: xkrstkn9 h d/2 u:.,hake for it to travel 400 km?

  A ly (light year) is the distance that light r r3y0h lzxgyiz;-e8 h,2 ti2ltravels in one year. The speed of light is 3.00 x 108 hei; lt 08g32rhr zy,2lxy i-zm/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h alon8 2ebc 53ouf5nm ps9ngsf*1ydg a straight road and you look to the side for 4.0 s, how far do you tr9 8beu3dg5fnmop15 fs2n *y csavel during this inattentive period?

  If you run a complete loop around an outdoor track (400 /6dq 6wtyv kd,m), in 100 s, your average veloct 66, yqdvwkd/ity is

  A polar bear starts at th6p+nq 9dkn- ji8 q4dxwe 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 tj i k9qw+d 8n46pn-xdqo its starting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at y 5ewo ( c3 wym+ijk(zvp9a)0hthe 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 thw+v 5y0(ja)e iy 9 m(chpzokw3e bear's average velocity?

  You are driving home6ckrvh 5,w :iouw5f9dt b )rps9v7(yl on 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 hourwwoyi5rfl udvt,6) 5ch:7 9vb9 sr(kps and 15 minutes. How far is your hometown from school?

  A motorist travels 160 kmytd6;w1 d6cg/ rlwp65atjbfqj/e+ g + at 80 km/h and 160 km at 100 km/h. What is the average speed of jgqd/e+ya6t5 + c1wd6btf rj;6pwlg /the motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. dvge i4y r8cd ,r)i3.kWhat is her average speed for theigvk) e4y did3,crr8. trip?

  An airplane travels at 300 mi/h south for 2.0ve/hd ja91m 9u0 h and then at 250 mi/h north for 750 miles. What idh1aj9 m/vu9e s the average speed for the trip?

  In a 400-m relay race the 69axl0t7bw hhanchorman (the person who runs the last 100 m) for team A can run 100 m in 9.8 sw0hb9 h6a 7xlt. 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 st jf) 0oaxh*,z8drm9auop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration whi9* rm8hz0xd,af jaou)le slowing down?

  An airplane increases its spfat1j 23 btl*bzww9;j eed from 100 m/s to 160 m/s, at the average rate of b3ztfbw; *1l2twja 9 j$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/9g p4o ,yfv*sph accelerates 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 accelerazb:mr dn5. v.r9 sjoa:tes 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 witheprnueblx- s;4pqk w0 5ej47 - a constant acceleration s 4bp5-n-;0je xep ulqrkw74eof $2.0 \; m/s^2$ 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 vrd/ 8)8,f1 hiq z8qkcqxvvc) constant acceleration of ifdx qv/z 8 v hc8)q8k)cvr,q1$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x u +3+ojlja,ix5z(a+ry g xhg1 direction) with a speed of 500 m/s strikes a sandbag and penet,+j3(uxayh ol+5+x rz1gija g rates 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 carrier. It rejc9ff,ok a0x8r sx3 h19ory5 oaches 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 catsj, 9oa8r90 fxhyo3ro5kfcx1apult?

  A car starting from rest moves with ,/7ocfcgc r u2tuoh.n-vw l 4a:ye4t,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/s in a 6a7pcitec4-y distance of 200 m. What is its average acce46etyp c7cai -leration?

  An object starts from rest and undergoes uniform accelerr ed642xbev(k8/pmwhation. During the first second it travels 5.0 m. How far wpee/hv46x2(b 8dkmrwill it travel during the third second?

  An object is moving in a straight line with constant acceleration. Initiall.;swa ckvp/l()(0mbpl)ne za y it is traveling at 16 m/s. Th zawvblae0s/.pm;kpcn l)(( )ree seconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and accelerates uniformly at h1g:ubjghrw 0 b pbw,i;d mlmm(.; a-;$3.0 \; m/s^2$. 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 decelera8::dc h)jxka zte 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 gre7;xl ffguvv +7en, a car that has been waiting at the intersection +7;fuvlg v7xfstarts 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 surface of pabbnwuscld9be 67s xl9f2 uhk:w0+mv +qj7 9/lanet X where the acceleration duxkvfha 7lw+s7+jq m9l/:bwn 2cu0e b699ubsde to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a speerh w/(p*t9kv;jhc5j hd of 12 m/s on the surface of planet X where the accelvhj9jr wc*k h5;/pt( heration 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 upward with a speed of 15 m/s on the surface of planetmgxr)j 7nu8i0bkk ;g 7 X where the acceleration due to gravity irg7x8) un jkbi0kg7 m;s $2.5 \; m/s^2$. 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 kt *lxurlcj f4u7n mq5u 8518jsurface of planet X where the accelex j75ulqmk c 58nrft u*lj84u1ration 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 ghay e5nrhyu3zgm0 ,m )7c9+rereater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you ey7creez ),0nm3 5hyru +gmh9 axpect the ruler to fall before you catch it?

  A ball is thrown upward 6+sq fth 8pq 5wb.m(jxat a velocity of 19.6 m/s. What is its velocity after 3.0. hw8jxtpsm+f 56bqq (0 s?

  A bullet shot straight up returns to its ssje 6jg;y km*vu *qa-.tarting point in 10 s. What is the initial speed of the bulva* ejsj*g; umyq.k 6-let?

  A ball is thrown straight up with a speed of 36.0 m/s. How longo/ )3izr:si ayprz.4jiet 5 3k does it take to return to its starrz4a iy3ek:i3i ) j/s5z p.otrting point?

  A ball is thrown downward from the top of a building with an i9bgldn0x p ,3tnitial speed of 25 m/s. It strikes the ground after 2.0 n9gb0pl xd ,3ts. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. sg/49vnv fm6)qnfe n1(only fill in numerical value /n6gvsn) n1mq 4vf f9ein 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 with oi m(/pw 0 +wu-gpu; l3bcgxd2ikrr9/a speed of 30.0 m/s. (only fill in numerical vakb2uio/p(iw/c3 - w;+r 9drgm0x uglplue 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 = :- oxy vzyku+uag;1;s +n mbr;1.0 s?

  In Fig. 2-1, what is tht 25ysaf*co4z e velocity at t = 2.5 s?

  In Fig. 2-1, what is t ;alr7zc1fw zftew3p,x tr3/ i:8f .exhe velocity at t = 4.0 s?

  In Fig. 2-1, what is the velocity at t = 5w,5i q*uwn.e n.5 s?

  In Fig. 2-1, what is the average velocity from 0 z1o )kbam 3jf2to 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 to 6.0 s6 ya+ef ojcm3;z- 7qft?

  In Fig. 2-2, what ism tf nz4zic*2t t)n;)uei we84 the acceleration at 1.0 s?

  In Fig. 2-2, what is theuua 4( .;c 6h5jleadbo acceleration at 3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 5.g 94x+ qod:u3vtc;xf 5mofw0 e0 s?

  In Fig. 2-2, what is the average accegqh6 4ftcpl*m33 gespxc1 0(cleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacement from 0 t1sqh:m -yku/kkqh*u 3o 8.0 s?