Suppose that an object travels from one point in spaf x0lulwo431 uce to another. Make a comparison between the displacement and the distance travuu1 xollw3 f04eled.

  When is the average velocity of an object equal to the instantaneous velocg,mzu m, n,6x fb.qyo5ity?

  A new car manufacturer advertises that their car caqb s+5v;, mvmqrz ;*kan go "from zero to sixty in 8 s". This is a description+vb qk sr avm;,q5;m*z of

  An object moving in the +x axis experiences an acceleratiokny*9x 9awp8ent ay;3n 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 as )+ zos04yl nixit approaches a traffic light. Make a statement concern+n ysl xz4)oi0ing its acceleration.

  Suppose that a car traveling to the West (-x direction) begins t(jnl4y n2m .lx-;)jk ud tv*ywo slow down as it approaches a traffic light. Make a statement concerning its accele)yw4nv.l;jl*yjt( u2dnxmk - ration.

  Suppose that an object ay8:upptc 5 xu3j 8*tv8ks;b 9quyn +eis moving with a constant velocity. Make a statement concerning iyj*+quc ye8 bux8utn:va98k;5p3 p t sts acceleration.

  If the velocity of an object is zero, does it mean that t)dugi;xh jwct yc e:hr )890z07cilj:he acceleration is zero? Support your anize;j u)jyg 9rcx7:0 c0i8hh clwd):tswer with an example.

  Can an object's velocity change directio. y+qj,lfk-tt. edlc(s6w(p v n when its acceleration is constant? Supporpt+ .jl . t6ldy-,(kcqws( vfet your answer with an example.

  Suppose that an object is moving with constant acceleration. Make a sy8kkw5xa:-t z, mz c.ktatement concerning its motion wit y-8 t kzk5:mzckwa.,xh respect to time.

  Can an object have increasing speed while its acceleration is decreasijfc2s/t x/gb 1ng? Support your answer with an examplebsx1/ 2tfgj/c .

  Suppose a can, after an i) hpq0 (ysx7qq n-fse*nitial kick, moves up along a smooth hill of ice. Make a statement concerning x nfysqq-*7s)e(phq0its acceleration.

  Under what condition i;uq j .w0,wp)bqoc:h os average velocity equal to the average of the object's initial and final veloci0jw;bc ).o hpqwou:, qty?

  Objects A and B both start at rest. They both accelerate at the same rate. Hz-uku sidq v1.py,c0vve9 7ur7e* t1 lowever, object A accelerates for twice the time as object B. What is the final speed of *v,up 0 ykctdve-u.iszr1v l7euq917 object A compared to that of object B?

  Objects A and B both start from rest. They both accelerate ivm03p7twp; i at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by object A comparvt7wi;i0 p pm3ed to that of object B?

  When an object is released from rest and falls i 29u2qe q42r6)tyq usip1pvn in the absence of friction, which of the q92 p2)eqp 4ry6i12sin qv tuufollowing is true concerning its motion?

  When an object is released from rest and falls in82r 8kpdw0(um yss2 gg0ukadhxr:q *, the absence of friction, which of the following is true concerni 0r(ad,d8 8uwskqskhgx2 :ygmur*2 p0ng its motion?

  Suppose a ball is thrown straight up. Make a statement a/54ks- hkvvi mbout the velocity and the acceleratioihk4 s5-kv mv/n when the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its accelw(:xsai) 6s4 mh jk-d5f ain9zeration just before it r-zfm5jda swh)sii9 n 4(6k:axeaches its highest point?

  Suppose a ball is thrown straight up, reaches :oznhql-vgf,8kiw2; a maximum height, then falls to its initial height. Make a statement about the direction of th2f:z-kinl q ho 8v,wg;e velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum heighn2be3 28t2bb7 fbumnzyu ha:p( (v(/b0dqs bst, then falls to its initial heme3b 0(bb/z vt2na n8q :d7 fhp2bubus(2s(byight. Make a statement about the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in the absence of air resistan)i f(s/ pu7da6f 1-yd ns0bylzce. Make a statement concerning its acceledda f yu106/ iy)s-nlpsbz7(fration.

  Suppose a skydiver jumps from a high-flying planmisv)okb n3zjtxp29579j, qr e. What is her acceleration when she she reachj5mp,kqsbv j3i29rtzon9 7 ) xes terminal velocity?

  A ball is thrown vertically upward with a spe zv e) ;jkgmec)vf60n/ed 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 higher d 6)z/kmg)0cevv ejf;n oes the second ball go than the first ball?)

  Ball A is dropped from the top of a buildioozefm(m)e7 wvcu ,hh0:,ctx( 5cq 4rng. One second later, ball B is dropped from the same building. As time progresses, the distance between t:45fo vhetq0cxz) heoc m(, uc7, mw(rhem

  Ball A is dropped from the topfx7rvem8fe p 6/uq6 q. of a building. One second later, ball B is dropped from the same building. As time progresses, the dif86qmxu.f 7peq/e 6rv fference in their speeds

  Two objects are thrown from the top of a tall buildingg5 lm+mg2v(z q peeauc-0(n*s . One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they u+eq*5z(spmc -2 glev0ma (gnhit the street?

  A brick is dropped from the top /h,c tgb17qs bewb g2n84vb0gof a building. A second brick is thrown straight down from the 71bgq 8gbceb tn2s4g bv/h0w, same building. 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 axis. Thy9ye72jz,-s1 r mrk xje position versus time graph7zjxrm,9sjrk1e- y2y of this object is

  An object is moving with constant non-zero acceleration in the +x axis. Thiro 9ae2.qi* fe position versus time graph of this object isqiei.2*9 o fra

  An object is moving wi6a6r--; pm qhk8;lx ayrjaub0th constant non-zero velocity in the +x axis. The velocity versus time graph o6m-0qux -r68abkjrya p ahl;; f this object is

  An object is moving with coz e) 39w kieo5z*9ucnqnstant non-zero acceleration in the +x axis. The velocity versus time graph of this object iz3q 5w9uzke)*i ec9nos

  The slope of a position versc : b)eb-n-ceous time graph gives

  The slope of a velocity versus time graphjytgk- y i7(o* gives

  The area under a curve in an acceleration versus time graph8xhcf, x7ogp2pbwf;xpz8)i9 gives

  The area under a curju.:z7r vnhj +ve in a velocity versus time graph gives

  If the position versus time graph of an object is )a0pyy: jj -gta horizontal line, the object iy: j0gy)tj-aps

  If the position versus time graph of an object is a vers(u9 np*dd.mbz-d b8lrjm -/ltical line, the object isspdu d-bbd9.j- z(lmn r8/m*l

  If the velocity versal p4j 4v;)aro (meul2us time graph of an object is a horizontal line, the object is2l m);4a e uaojv4lr(p

  If the velocity versus time gral1ywfczhy5s ,yp8i;f nov726 ph of an object is a straight line making an angle of 30 degrp5 yysvfl6y, h8;izwco 2f 71nees with the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Fiz)qpq;yui/r+ 0cqk b3nd both the distance traveled and the magnitude of qi3u qb;)+ zq /cpkry0the displacement vector.

  A boat can move at 30 km/h inb+8vf s1;1y pkbqj t*m still water. How long will it take to move 12 km upstream in a river flowibf 8*;ybj11sv pt mq+kng 6.0 km/h?

  55 mi/h is how many m/qvp ,ox)zi 8(ms? (1 mi = 1609 m)

  What must be your average speed in order to travel 350 km a)7h -kp)apypqkg8vgf/0a d6*zyu u-in 5.15 h?

  A runner ran the marathon (8y8 ogmk*m zbr*r,mc0ifx -, mapproximately 42.0 km) in 2 hours and 57 min. What is the amo r,m b-0,y8im*z*c rmxg 8kfverage speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to tr.. );ipolw* rs0gol thavel 400 km?

  A ly (light year) is the distance that lig-u2mb n+gm :dxht travels in one year. The speed of light is 3.00 x 108 m/s. How many mumn m+dgbx: 2-iles 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 y5g fwh0 if*3lrou look to the side for 4.0 s, how frw*fh 35lfg i0ar do you travel during this inattentive period?

  If you run a complete loop around an- vira;qp)0b/f7 ( i*seowlwn outdoor track (400 m), in 100 s, your average velocity *fo0 i w)vwisa- pe(q/rln;b7 is

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km t; j; k;ydte-zeast, then 1.0 km north, then 1.0 km west to return to its starting point. edjzytkt;; ;-This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It travel ;4 7tozyaq une1oq i9cf*.w)ts 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to). u9 qwo;z1ae qf47ni*yoct t return to its starting point. This trip takes 45 min. What was the bear's average velocity?

  You are driving home on a weekend from school at 55 mi/h for 110 milbs0 y184hq sgces. 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 homet1qybc4s s8 gh0own from school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is s8b:g pb :;biathe average 8: ;apgbsi:b bspeed of the motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h arlfa2k27pk-dfn 40 pqt 100 km/h. What is her average speed fo arfq7lp40- kpd2nfk2r the trip?

  An airplane travels at 300 mi/h south for 2.00 vq 4;d 2zp3nkbw+ c/ylh and then at 250 mi/h north for 750 miles. What is the average2blpcy/q n4d; 3zkw+v speed for the trip?

  In a 400-m relay race the anchorman (the person w6n7r qevoq(d- ho 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 nqo 76d- vrqe(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 3q4 :dbcbjn*z 8 9karistop after 10 s. The car's average velocca* k9qb dr3ibj4n :z8ity during deceleration 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,xc s ew:r+drg 4vj73xk (2g9hv at the average rate of d2(vwghs7g4x+ rk3rcvj e9: x$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates ataf6ef k3p-,h5ol8 (juwr/gxb 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/l f qlz;poi8 qutny,1: tt 23zn0dk3k 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 co)1 ol tk.p /baoc/vb k,0dozh0nstant acceleration,)1vpo 0 lahoczt.0bk/ko /bd of $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial wpk(i7zqmxly-/eh- q3k3 (wa velocity of 5.0 m/s experiences a constant acceleration of kkqz(i3xmwah7 /e y3l (w-pq-$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally tou:8luxk, )v ( -xupapb8 impd5 the right (+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. What ppx5dm),a-pl:8ivkbux( 8uu is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched frbz*. nfh p;ma0om a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapulp0.bn *fm;zha t, 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 accelerg( r/psdsc, ha 2)wx9.y3s cd g6now5sation 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 dl tm,8wf*on2i e.spr5istance of 200 m. What is its average accelest8m. ,p wn5 ofle2*riration?

  An object starts fromx4+yb yuu, o wx0lm9) yj:uzw, rest and undergoes uniform acceleration. During the first second it travels 5.0 m. How y,wl,4x)9yju+x ywzubom:0ufar will it travel during the third second?

  An object is moving in a straight line 2kp;kh0df fh-r +sv+pwith constant acceleration. Initially it is traveling at 16 m/s. Three sshf0rhf+v-pk dp +; k2econds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and acceleraa2 ke+ujwb47h tes 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 road can decej; rtoc-z ua:u2z6gz*lerate 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 bex2ehz6 u az ;aetgxx8;8ando9:3(*.bihemy pen waiting at the intersection starts ahead with a constant acceleration op zigtuaayb (e8dhheo 9 x2e; zmx x6na:3;.8*f $2.00 \; m/s^2$. 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 r6n9)7h t.s; b,zt c3 lbuqkohsurface of planet X where the acceleration d. boctsu9);7 kh3lhnt ,6qrzb ue to gravity 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 surftk jzpk7sj8+0xn -*ttace of planet X where the acceleration due to p k0t-8 kzxjt s+ntj*7gravity is $1.5 \; m/s^2$. How long does it take for the object to reach the maximum height?

  An object is thrown upwa,xzfy0v -g -nbrd with a speed of 15 m/s on the surface of planet X whe0y,bf-- vgxzn re the acceleration 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 ;;ygr j - hfpiamd7c.(upward with a speed of 14 m/s on the surface of planet X where the acceleration due to grav;-. hgpma(r;c 7dj fyiity 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 8ob qov*4zyjuugc ) +q(ifx16a ruler between your fingers and releases it without warning, how far can you expect tfu u8 y)6c (ij*b4gxvo+z oqq1he ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m mj+i5d 5 rafcwf p1oyb+1r)6x/s. What is its velocity after 3.00x6f1j1i o5 p)rmabrf5 yd+c+w s?

  A bullet shot straight up returns to its starting point in 10 s. 0ox: rpmr2, fe 9xx- dk+ou;jp What is the initial speed of the buxkr eur ,: ;2+j fx0d-ox9pompllet?

  A ball is thrown straa2*s68mhgv k9:aks6 zpalax(ight up with a speed of 36.0 m/s. How long does it take to zx*h8:(lpm6aak9sgv 2saa6 kreturn to its starting point?

  A ball is thrown downward from the top of a building with an initial speed of 256/qngwcrs.1 ek1)xi s m/s. It strikes the ground after 2.0 s. How high is the building?s / grk.w1seq)x ic61n

  A ball is thrown straight up with a speed of 30e (ps5jx2kkb0 m/s. (only fill in numerical value in k(2 pxb5j0sek 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 straightz;z4f:oz um qf e;-wu0 up into the air with a speed of 30.0 m/s. (only fill in numerical value in the blank) m-04fzwf:u;oqz; zeu
(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 vel6txng5u*;j)5 vji a ciocity at t = 1.0 s?

  In Fig. 2-1, what is the vel*),yntz4wih k*4xxs . hxh7uiocity at t = 2.5 s?

  In Fig. 2-1, what is the velocity f,x.v- hat:h jat t = 4.0 s?

  In Fig. 2-1, what is the velocity at t = 5.5 s?6jm/ dy rwh6s 4dq1ow7

  In Fig. 2-1, what is the a;aae :zdt/d j(verage velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average vem)vj,b3tsa f97orc+j locity from 0 to 6.0 s?

  In Fig. 2-2, what is theo cwiz)fvmde9b 52nd 9(,9 ykp acceleration at 1.0 s?

  In Fig. 2-2, what is the acceleration uew .,oxf(5md5/bxtn at 3.0 s?

  In Fig. 2-2, what is the average acceleraes ( f1 k52 h-rdxy*oe81luqortion from 0 to 5.0 s?

  In Fig. 2-2, what is the average accel,k.y tze:.ag hch2qd )eration from 0 to 8.0 s?

  In Fig. 2-2, what is the displk* :lkwdo vdjx d;v32-acement from 0 to 8.0 s?