Suppose that an object travelt ri6j4.asig)s from one point in space to another. Make a comparjrg6itis)4a .ison between the displacement and the distance traveled.

  When is the average vel ol2c)s1aw1mn ocity of an object equal to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "fromal6ky 3ark.ix-f* /rl15c it/aq/y ij zero to sixty in 8 s". This ilf it63/ri lqa k.cki/* y/1jxyr5 aa-s a description of

  An object moving in the +x axis experiencesvbmunyw6 wi9 nb; 9-t3 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 l88zmksx) z 8 fxyh ya5x4pl2ut/xk+.as it approaches a traffic light. Make a statefa8y+xy)xhtkuzxkp258s/m 8llx . 4 zment concerning its acceleration.

  Suppose that a car traveling to the Wede j. 5o1 rbit:etvd;8st (-x direction) begins to slow down as it approaches a traf5debtt :;8rj1v i.doe fic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statementt3o;-ji5 yipqrjt0dn0; g+ m y concerning its acceleration.i0t;o+3 i ydjjy -nmp0rq;g5t

  If the velocity of an object is zero, do k,3brcxw. lg+nrh5,jes it mean that the acceleration is zero? Support your answer jk5 r,+x.,hnwcl3 g brwith an example.

  Can an object's velocity change direction when its accelerq .(+gsmd)ll ration is constant? Support your answer wils lgrmd.)q (+th an example.

  Suppose that an object is moving with constant t(vetazr17geh8 +o *vj55 y2tx*7fa tvi8ildacceleration. Make a statement conce h(itgz8+ t x7t*foeae5vt8 2rvl17d*ay5i jvrning its motion with respect to time.

  Can an object have increasing speed while its accelerationnblh8* qz -ekgvw(2c,)4nelf is decreasing? Support your answer l)8c- l *fwnvbe,he q4g2( knzwith an example.

  Suppose a can, after an initial xxnidkjv nu20o*z0ym4pz2. 0 kick, moves up along a smooth hill of ice. Make a statement concerning its acceleraz 2pdj40n 2 xoi0nxy .0uzv*mktion.

  Under what condition is average velocity equal to tmz mr ej5d0;a-he average of the object's initial an amj0zd-m e5r;d final velocity?

  Objects A and B both start at rest. They both acce8* trw 1ki.bholerate at the same rate. How*1b8o.k htri wever, object A accelerates 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 start f)kelj 66g z+1 yjqwo2krom rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by object)2kykgj zo lje+6qw 61 A compared to that of object B?

  When an object is released from re 0c3v1i*ue ai fj-ut/gst and falls in the absence of friction, which of the followii -j 1c i0*g/a3tuveufng is true concerning its motion?

  When an object is released from rest and falls in the absence of friction, wh-ftop3 t 6 s-by:gxahjr,8k4gich of the following is true co tx kb6pgs-a -t3oyj8fg :h,r4ncerning its motion?

  Suppose a ball is thrown straight up. Make a statement about the velocity (nft 0jzlg t *(sr;(cyand the acceleration when the ball re rs (gft(*n0(t cy;zljaches the highest point.

  Suppose a ball is thrown straight up. What is its acpw 74 f bwq(m*.;nmoilceleration just before it reaches its highest powb4q*p;.li m( m7onfwint?

  Suppose a ball is thrown straight up, reacs 9ymg1hw2k 3khes a maximum height, then falls to its initial height. Make gw 2ky1shk93ma statement about the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximue6gw xzx - 2/wkaa 4q2.ln5mumm height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration lx u g6.ae/ 2-w24kaqmmwzx5nas the ball is coming down.

  Suppose a ball is thrown downward in the absence of air resistance. Mvh62byp .b t2jwy7 pt+rz3vo *ake a statement concernhy72.tj3v6op2 rtbzvw *b+ yping its acceleration.

  Suppose a skydiver jumj 2m zrmlm +su/3qnw*9ps from a high-flying plane. What is her acceleration when she she reachmwr2zl 3 9jusq*n mm/+es terminal velocity?

  A ball is thrown vertically upward with w+ 1vbj7jf ocb p+j2:ea speed v. An identical second ball is thrown upward with a speed 2v (twice as fastb2 pb je+jv7 +wojf:1c). 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. i.b16 h3qtvcxkh co)0 One second later, ball B is dropped b0hi3vco61kt cq h ).xfrom the same building. As time progresses, the distance between them

  Ball A is dropped from the top of a building. One second la8m+fj;orpxb xlg5 5u v9jtze7j)o)i+ter, ball B is dropped from the same building. As time progresses, the difference ii v lz9 emjj5+)+ rj7puog5bx8);txo fn their speeds

  Two objects are thrown from the top of a tall building. One is thrown upnn qdcy 0m;(k2, and the other is thrown down, both with the same initial speed. Wha 2(nckm;qyd 0nt are their speeds when they hit the street?

  A brick is dropped from the top of a building. A sec4ws3;ltx*)ciy(, n fn(zvas g ond brick is thrown straight down from the same buildsf 4(g v,s;3ytai*z)xlwn cn (ing. 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 inq wb oyd0ql;3nub8,k . the +x axis. The position ve.;wu30q bknd,y o l8bqrsus time graph of this object is

  An object is moving with constant non-zero acceleration in the +x axilav q+0.pd. fry;v d.fs. The position versus timedyfqrlv pv;. .da.0f+ graph of this object is

  An object is moving with cost ewdi88n;;v nstant non-zero velocity in the +x axis. The velocity versus time graph of this objti s;8dn8 ve;wect is

  An object is moving with constan:l.a4d8f3cmfeo4,emyiuw:jw smk8d0 (d r, i t non-zero acceleration in the +x axis. The velocity v8 u0kf a3.:efj:d4wdcomm wild4,yi ,smer(8 ersus time graph of this object is

  The slope of a position vef5y-f -)tkmg gr:hbd *og7s s5rsus time graph gives

  The slope of a velocity versus time graph givjjz (qu0u utpp2()5s ges

  The area under a curve in an accel9e k: 9gohmohd( *yy0leration versus time graph gives

  The area under a curve in a veloci ( p3g4xmficxx )x,un0ty versus time graph gives

  If the position versus time graph of an object is a horizontal li;xt b4)lh/bu qtur*eez2e67lne, the object ie;24 tbt6)*e zx lerhulbu7/q s

  If the position versus time graph of an object is a vedm lvp7z*c 5-b i.h2sqrtical line, the object isq.s5 lvb-c *2imdhz7p

  If the velocity versus time graph i; xbe60.feirdv)t mbh7 6cnw -aus1d7+ fpv4of an object is a horizontal line, the object i1 +dh.c0i vfd7eu bps4;w)a tbn76xfr6 -mvi es

  If the velocity versus time graph of an obdgi,r 60 1e4np3o phct n/o:xiject is a straight line making an angle of 3on3pcegpd ,0itrn o 6:ix/14 h0 degrees with the time axis, the object is

  An object moves 15.0 m north and then.o75i,9,s ohu)od w6r ccxbiy 11.0 m south. Find both the distance traveled and the magnitude o,c.9ux i,coiy bhw 6 7d5)roosf the displacement vector.

  A boat can move at 30 km/h in still water. How locx (vskxj6;p (-u8thr ng will it take to move 12 km upstrxjxup r(v;-8 h(s6kcteam in a river flowing 6.0 km/h?

  55 mi/h is how many m/r ;v: zwhs8otv)elr3(y97bhs.j5z oos? (1 mi = 1609 m)

  What must be your average speed in order to travel 350 km in 5.15 ht- ynpkjas3j)9 72s00 umw3wwsdy6 aj?

  A runner ran the marathon (approximately 3nkyppv(3 pb :42.0 km) in 2 hours and 57 min. What is the average speed oyk(3 pnbp3p :vf the runner in m/s?

  A car travels 90 km/h. How kzcv);cid q3 ;long does it take for it to travel 400 km?

  A ly (light year) is the dis79w mplec 0vtf fu z;si06a5b9tance 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 = 1609c00tw;p9svem5z9 7fiu af bl6 m, 1 yr = 365 d.)

  If you are driving 72 k5jmnd6ypo 0:jm v76 p* ec:szxm/h along a straight road and you look to the side for 4.0 s, how far do you travel xs0:j pd 7*pne5zm6oy c6j:vmduring this inattentive period?

  If you run a complete loop around an outdoor track (400 m), in 100 s, yob6*(ap9q.9*ap bk,hg x cjxkjur averagep(jx6. qka, *9*pg9akbbh xjc velocity is

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 9bygfb .m(3hf km east, then 1.0 km north, then 1.0 km west to return to its starting point. This trip takes 45 bfy93.g hbm(fmin. What was the bear's average speed?

  A polar bear starts at the North Pole. It travels 1.0 km south, t.o/l7l 3qz-i qx+nlgghen 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. This trip takes 45onq xl-7 + qlz.li3g/g min. What was the bear's average velocity?

  You are driving home on a weekend from scx5)+h rhq//do, k tsaxhool at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home /q/) hrksaxd5t hx+,oafter driving 4 hours and 15 minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 kmw2r/pfz0)88 ocw fmxq/h and 160 km at 100 km/h. What is the average speed of the q0m zxrcf82)f/8pwow motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is her av4 yvlcdrm+(y/erage speed f/ym+l (dvrcy4 or the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/h north for pl:hc*d2*wmw z1ym 3- duoh0 a7m0:*-mydlw2h *wocapdzuh 1 350 miles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the -o+hebr j * ft3lwh9u-3hn b.5 ouyo)llast 100 m) for team A can run 100 m in 9.8 s. His rival, th t-ue b3 hoj+u-rw)b.o9h*y nf5ol 3hle 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 sto(18 vdqj ilk7v)ww:yf ys3 -y60fqtmmp after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's decelvw y s8)-k lqd7mt6i qf130yv(j:wfy meration while slowing down?

  An airplane increases rrv: d e+ek3 *c:c:yhfits speed from 100 m/s to 160 m/s, at the average rate of r 3+yv*ef::c erckd :h$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate uo:pw cf 3e8;vof $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest and accelerates at hozzjk r., g9qsb .w*+$4.0 \; m/s^2$ 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 1nz+b2rx*fysb0 z 1yl00 s. It then speeds up with a constant acceleration of10b+ sbl *y20rzx zynf $2.0 \; m/s^2$ 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 acceleration o,81g c32o*vuhpmbv ns7ch -zpfh*h1u,-cbopv c8 nvms7gzp 32 $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x direction) with a speed of 500 m7n 8bo+ p)uwyw,9 bljs/s strikes a sandbag wjb nuwbo)ls,y7 9p +8and 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 catapult on an aircraft cil34wn +q+wlba2emn3 arrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. wa b+n43w+3nielml q2Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest moves with constant accelyl n7x (/drisvq8q0*w eration 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 fa e7( -qi*sg:4nqmif 200 m. What is its average acc (iqi* ns4efq7: gmaf-eleration?

  An object starts from rest and undergoes unifom k0)l0qgd*mi )f 2didrm acceleration. During the first second it travels 5.0 m. dmqfi0* )02il )kmdd gHow far will it travel during the third second?

  An object is moving in a straight line with c/1wa5tdod 8 no;gxqgsvm. -1qonstant acceleration. Initially it is travw5 /1;v8o mt1-.soqxad gnqdgeling 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 accelerates uniformlln, 9k80r;6w 5h lndj hhfjgi(y 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 can decelerf -q *3owfai5eate 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 w vct+n +b,1 ;xf6zsxvi2so(gnaiting at the intersection starts ahead with anzsc, gvni+b2v(;ft1 xx +o 6s 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 0 y nj9v4fd/k2 :q ic2xujae:b6k)fog 12 m/s on the surface of planet X where the acceleration due to gr: 2jfdx)/qen i9 6 cbkj:02vf4okgyuaavity 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 m/s on the surface of planet 2 jug4 9:chvalX where the acjl 9 gau:h4v2cceleration 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 planet g2z4 /dhz1 lvrX where the acceleration due to gravityld24vh r /zg1z 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 twfhfo ) - *, 0d,xz7jemcyjqc.*qw8tzhe surface of planet X where the acceleration due to gravityj7-qdhofycz 0q,z8,*cx.wtme j *)w f 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 zhate46oxh i3z gd28 b,h:f2 dholds a ruler between your fingers and releases it withouz e d 2fgazt:hdh836x,2bhi o4t warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a velocitayu h -+ /7gde:p pobxq ol(w;w;:ra(ay of 19.6 m/s. What is its velocity after 3.00 s?/ag ow(q e;apl7o-dp:;:y+hrubawx(

  A bullet shot straight up returns to its starting poiy-h5 w6 qwsz0mnt in 10 s. What is the in zq6m0s-hww5 yitial speed of the bullet?

  A ball is thrown straight up with a speed of 36.0 m/s. How long does it tak2t4v2 lnxd3bp e to return to its startl22n tv43xbdping point?

  A ball is thrown downwardo jk*b4)n qsvx 1me80i from the top of a building with an initial speed of 25 m/s. It strikes the ground afte n0i8*jbxm k1os)q4ver 2.0 s. How high is the building?

  A ball is thrown stragc 07heg b9g9 4fxo4r add6xxn9*z-jq ight up with a speed of 30 m/s. (only fill in numerical value in t aozr0e9qx7 x9c64fh -d9xg bg4*dgjnhe 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 straigwwx2*n9d j v) h4yvi*9jwv+vcht up into the air with a speed of 30.0 m/s. (only fill in numerical value in the vnji9jy2dv w w 9vh )wc+v*x4*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 (-0xlf (gpr jjyu33yp t = 1.0 s?

  In Fig. 2-1, what is the velocityogc.k; r) kh n(bz;j9j at t = 2.5 s?

  In Fig. 2-1, what is the velocity at t =y aqssfycliq p:4jxo .:*)+m) 4.0 s?

  In Fig. 2-1, what is the velocity at t = (p2w-c0lw r-zurn8 n r )fd+wmx5rc- o5.5 s?

  In Fig. 2-1, what is the average ve sbhtp hwr1a88ro77l h*b,)as locity from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 to 6ij:/ gd8s- giqy4)gy a.0 s?

  In Fig. 2-2, what is the accelerly(67iiiytrh b54cuuu) 4( m wation at 1.0 s?

  In Fig. 2-2, what is the acceleratid; 22xhb a/4 lcuzjagc52rw1m on at 3.0 s?

  In Fig. 2-2, what is the averag3k vc0o/n q b 7+54ntref8ktowe acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the avertva-g tb /s,/cage acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displaf7 y-(w/3olbw,l beh ccement from 0 to 8.0 s?