Suppose that an object travels from one point in ,2c6b-hmil ni(v v3 mgspace to another. Make a comparison betwe-2ivn 3vg6 m(bimh,l cen the displacement and the distance traveled.

  When is the average veloc9h*wuq l sr0a;ity of an object equal to the instantaneous velocity?

  A new car manufacturer advertises knlyj4g):q t 7d58mo43q.p s1pgh veu that their car can go "from zero to sixty in 8 s". This i15s )h k 3m:pgq gpd8u74ynltv.j oe4qs a description of

  An object moving in the +x axis experiences an accelerfa 0ggmw2 rbw5 r:1pb/ation of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x dire7 e *up(:lld u0onw1bection) begins to slow down as it approaches a traffic light. Make a statement concerning its acc on b*1 l7:0upwele(udeleration.

  Suppose that a car traveling to the West (-x e e,2s0nd aqo4qn,( sudirection) begins to slow down as it approaches a traffic light. Make a statement concerning its accele( 2,uea4 o,ndq q0sensration.

  Suppose that an object is moving with a constant ll e l0ow04jt-velocity. Make a statement concerning itsjlt 4-o00lwle acceleration.

  If the velocity of an object is zero, does it mean)s i0l5atr+eb that the acceleration is zero? Suppore5t )0ilsbra+t your answer with an example.

  Can an object's velocity change direction when its acceleraj;txa ,v7 1kgox/yj4 8b4a5ur r6bw vytion is constant? Support youk6j,ya1475b ;xr 4 vwxjv/o8gbatry ur answer with an example.

  Suppose that an object is moving with constant acceleration. Makekabi,t z g)0d)mzvw4cn+u g72 a statement concerning its motion with respectnwi0) u)c +g,azt742d bgvkzm to time.

  Can an object have increasing speed while its 0gw w)dy3 otjg)ozz7myx49 9qacceleration is decreasing? Support your answer with an example zoq) j90z3yogwyt94wmgxd7) .

  Suppose a can, after an initial kick, moves up along a smooth hill of5rgqs3pw iq, riw1. 0n ice. Make a statement concerning its aq,5310 rrnp .qsi wigwcceleration.

  Under what condition is average velocity x *.z xm8em;soequal to the average of the object's initial an m em;8xosz.*xd final velocity?

  Objects A and B both st*k*l fq*k 28bwykb4 f9v l3dhnart at rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. What *8nl4 k**3v9bh kf2dlk ybqwfis the final speed of object A compared to that of object B?

  Objects A and B both start from rest. They both accelqq vl5d2 r5m:oerate at the same rate. However, object A accelerates for twice the time as object B. What is the distanc:o lq5qr5md 2ve traveled by object A compared to that of object B?

  When an object is released from rest and falls in the abse64ty2c7 evaa(aygcg d( sw7p n:+od:once of friction, which of the folla gydynow:2(v7p7 g t+oaca e46(:dscowing is true concerning its motion?

  When an object is released from rest and falls in the absence ofaddr4-hen5d6.* vp xf friction, which of dd.e465a-rfv xp d*hnthe following is true concerning its motion?

  Suppose a ball is thrown strt-co9dq0p1 n acv a62ugpnengzj;7 2 e6b 3z7aaight up. Make a statement about the velocity and the acceleration when the ball reaches tp1e623qatoj;gv7n2z pdug an70 bcncz ea- 96he highest point.

  Suppose a ball is thrown straight up. What is its acceleration just before it ryc6p t 5.tj71ey, adbi i;xo-feaches its hige ,f-;iyj.td7a1 btix p65ycohest point?

  Suppose a ball is thrown straight up, reaches a maximum height, then x fc0e6 l7m-aba t-zy+falls to its initial h6y7t0xlfczme -+b a a-eight. 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, the:akc5,7 0g9bcdoz bm6q)pi u 6uhplc4n falls to its initial height. Make a statement ,6p07o l)p6: huukmb 5dgb4z9i ccqc aabout the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is throwbti,r;z66t emua1 nu) rgt0 )tn downward in the absence of air resistance. Make a statement concer) u r1 tz;t6n6m0aueb, i)trtgning its acceleration.

  Suppose a skydiver jumps from a 1udtg)buw31unjz6 l* high-flying plane. What is her acceleration when she she react)3wu61 ngb1u d*u zljhes terminal velocity?

  A ball is thrown vertically upward w7m gaige t:;ely3 fn(+ith a speed v. An identical second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maximulfi7;3 emn:(y+eag g tm 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 buildi, kntr1 i-wa73nm/m4ja km1xjng. One second later, ball B is dropped from the same building. Ax-3 rwa amjn ij/ k1t7,kmm41ns time progresses, the distance between them

  Ball A is dropped from the top of a building. One second later, barcn/ y, ,f*soeqd3xt:ll B is dropped from the same building. As time progresses, the difference t qx,d sef r:*3,yc/noin their speeds

  Two objects are thrown from the top o5mnh)qdf 5ng 0mpx3ga x5 6*ruf a tall building. One is thrown up, and the other is thrown down, both with the snqn rhp )60*5gfx35 mx5gamduame initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a building. A second brick is ly(mqx1 rkyv;e6f .l/ thrown straight /1 x.( yr fmvekll;yq6down 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 constant non-zero velocity in the +x axis. The po. vxubib8 4/g o:xwx/of/6tyjsition versus time graph of this obj /v :8tw/gx6of/b.ixobu4 yxject is

  An object is moving with constant non-zero ksh)aqi4hhs0th)r ( / acceleration in the +x axis. The position versus time graph of t)q0rt)hha ss /ik hh(4his object is

  An object is moving with ibp )k6s3z,wzp n8h4 :oizer: constant non-zero velocity in the +x axis. The velocity8h:z)io6pzb k4, rwpes3i:nz versus time graph of this object is

  An object is moving with constant non-zero acc*xxsqwgb49 flg :1c)d eleration in the +x axis. The velocity versus time graph of this object icbgf9 *qx)w1 :dx4l sgs

  The slope of a position versus time graph*w- gh * 4o0ek;j5xnt flu9rod gives

  The slope of a velocity versus time graph 0zc 7p9cbhllxr2t, 61n hi3 ddhc*+jdgives

  The area under a curve in an ac0+ x wiyvdfq cd19+em(celeration versus time graph gives

  The area under a curveb.3r4p rocpz e* -x9iu in a velocity versus time graph gives

  If the position versus time grix4a5lyfbx.g ; *cfz8d g-r8 olu+s6 taph of an object is a horizontal line, the object is 8-6l*istxy4g5; ffcd. 8 blzga x+oru

  If the position versus time graphufgefiuxb -71xf q1+* of an object is a vertical line, the object isx-+uf qf xbgfe 71*ui1

  If the velocity versus time graph of an object is a horizont mv wig:rf; tg)+.9ocral line, the object moicwgv;ftr:) .+g r 9is

  If the velocity versus time graph of an object is a straigtm.gfx ))wk5-lqwk5 d5uc, g ght line making an angle of 30 degrees with tgx w55g,tkfkd 5-c)um)w.gql he time axis, the object is

  An object moves 15.0 m north and then 11-i3ad0nw m5w2fihyxh p6+7i p.0 m south. Find both the distance travelhda-ixifp7w0pwm2y3 n+5i 6 hed and the magnitude of the displacement vector.

  A boat can move at 30 km/h in still water. How long will it take to 5yntp3 b; 3jntmove 12 km upstream in a river flowing p byn5t3j3nt; 6.0 km/h?

  55 mi/h is how many m/s? (1 d3rr-8lwig7 ewzt 3n 8mi = 1609 m)

  What must be your average speed in order to travel 350 km .5zz-o q/ jtpqin 5.15 h?

  A runner ran the marathon (approximate8 2q2 5acpai:o;yvdzvly 42.0 km) in 2 hours and 57 min. What is the average speed of the runner io:y252aciv qzd;p8av n m/s?

  A car travels 90 km/h. How long does it take for it to travel ay)ros;)r c* p400 km?

  A ly (light year) is the dismcuj, 7f5f 4cttance 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 = 1f mfu,cjct457609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road*i2oj*ez+cwngv p.2p 2h6 g x(kra6g b and you look to the side for 4.0 s, how far do you travel during this inattentive perioj6*r*c .n2ab ogpxpwz ( g6+k i2ge2hvd?

  If you run a complete loop around an oujr q6guz *;i5ktdoor track (400 m), in 100 s, your average velocity isrij6 kgu 5;q*z

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 k7 p32 i gje gyw c d1t0byjk;0o/vn.6vdmc*yn0m east,tymw0ov7kcy3n1c.j2jp06d;d y0*gnbie g/v 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 speed?

  A polar bear starts at the North Pole. q;mm: t.6 p1qj95yiaon je2i a 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 star;6.2iqaa e onm5i91qtjj: mpy ting 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 11 f*ew+.q8sqoph8 +o rv0 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How faeoh.v88 ws*qr+poq f+r is your hometown from school?

  A motorist travels 160 km at 80 km/h lschrx2(h45 if/jk ;aand 160 km at 100 km/h. What is the average speed of the motorist hfi5k4( /2saxjlh;rc for this trip?

  A motorist travels for 3vdhawp+(+ w8 s.0 h at 80 km/h and 2.0 h at 100 km/h. What is her average speed +h+p( ws daw8vfor the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/.pd,n f8-arp mh north for 750 miles. What is the average speed for thep ,rd8.napfm- trip?

  In a 400-m relay race the anchorman (the person who runs thebddqmgjokzi+))), ,r 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,q) dkm)og)+rzb dj ,i 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 10 s. The car'ub),qx w:bwi /s average velocity during deceleration was 50 km/h. What was the car's deceleration whilebi,w xw)qu/b: slowing down?

  An airplane increases its speed from 100 m/s to 160 my6 t vfgl,ofb4 b*: bmopdsz7we0,a/,m,d de5/s, at the average rate of m e/5b,fzd,ba*l4f,mog,d : 6 o0ysvedpw t7b$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate 9 tdx1*5drvuwe m6o +iof $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest and acceleratitip5yq4 2)em es 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 ++m8g zo(ev tqacceleration of mq(+ t8 geo+vz$2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0e f*.bm ,(0b5wi giayy4evaae4 q/z*q m/s experiences a constant acceleration o vy4/ y aiebe*wfi,0e.maq(q 5 z*4bgaf $2.0 \; m/s^2$. 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 50dq-vepod 5:u.ttbk..t(v+ qm 0 m/s strikes a sandbag and penetrates a dista:5t-.dv m(d.ktvpbtq+. u oeq nce of 10.0 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane rak9cy1/ 7mddis launched from a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requir1y7 mdac9dk /res 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from rest moves with constant aca7i- b-3 tsj9xzr) pkvceleration 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/ q26/w2r*urxjus /jnm s in a distance of 200 m. What is its average acceleration jr w2nxsuq6//j*um2r?

  An object starts from rest and undergoes uniform acceleration. During the fid+ 8 m3n0h n*fxdee+ktrst second it th+ t*k+ n0de3fedm 8nxravels 5.0 m. How far will it travel during the third second?

  An object is moving in a straight line with constant acceleration. o:h dn7 y.)5a-.hrvp7 gw/7gd yoi 4chldwk4a Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does it move during this7c .4:p lg4 kh/7r-yvad5w oady7h.wn gio)hd time?

  A car starts from rest and accelerates bnx42c a d.k7wuniformly 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 dec6brz 5.0ho8z x7,os*jyor x grelerate 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 wgk2trqhtl09d03pq nnfl39 5 laiting at the intersection starts ahead with a constant rd3l02hp9kng5 9t fql 30lnqt 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 ox0ku 0 kray:haa5g2(the surface of planet X where the acceleration due to gravirkg0 5 ako(:h aya20xuty is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a speed ofcm*av4z* i3 h7 hzueq0 k:inj+ 12 m/s on the surface of planet X where the acceleration due to ci:n037kv 4z*au j* h+zqhmeigravity 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 mh9 :q: f3,zlw u9xza tlvfux.7/s on the surface of planet X where the acceleration due to gv93w,auxfz z. xu9t7llq:fh: ravity 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 the surface of plan iznkov.+m(6v3of8yuet X where the aznu m 8k.3i v(ovyo6f+cceleration 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 greater than 0.10 s. If your friend holds :f.hmg xw9rw 9-rc1h y-qhd kaywa+)0a ruler between your fingers and releases it without warning, how far can you expect the whr-q +fwa d9y)ha1wrcmhx0k.g :9y- ruler to fall before you catch it?

  A ball is thrown upward at a velocity of 19.6 m/s. What is its velocity after 19r.e ,0*tdcaxef tb-yskd9g 3.00 s *tsxr0.g9d- e 1ade,9fyt ckb?

  A bullet shot straight up returns to its starting point i41/fo(i 3muzud*kihwn 10 s. What is the initial3w 4(imu/d h1fikzou * speed of the bullet?

  A ball is thrown straight up with a speed of 36.0 m/s. How long d *k2j(ln3 dhny7ob1 puoes it take to retuhk71 n*pdn (y3b 2jolurn to its starting point?

  A ball is thrown downward from the top of a building with an initial speed of 2/sj0hx) xi)o g*wja:7*a o/i hvavab75 m/s. It strikes the ground after 2.0 s. How high is the buio a oj )*hhixga/ wv/7bavj:*)i7s0axlding?

  A ball is thrown straigjkmo: ybcc xsz 1m+et/tr-,2 g/hds8)ht up with a speed of 30 m/s. (only fill in numerical value in the blankc-k /1sm:ezmb )rd t2jh y/+o8stc,xgs)
(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. (only 2r0xgyipt(v5iy/72* ry styu fill in numeri xr( 5*0 y2 py2uivst7r/yyigtcal 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 = 1.0 1 j(zf lk(prq+s?

  In Fig. 2-1, what is the velocity at t = 2.5 st0:k ai2as .nz?

  In Fig. 2-1, what isct w co( 6pgw,e1-vi/v the velocity at t = 4.0 s?

  In Fig. 2-1, what is the velocity af d;fc jypjb1xb8lz6k*7 dr9 :b7bam5 t t = 5.5 s?

  In Fig. 2-1, what is the average velocity from 0 twk /gmgwhz:tpm 02;; j9cvs,z + rdnr5o 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 w5s0a)ii s( zbto 6.0 s?

  In Fig. 2-2, what is the acceleration at 1.0 s?noc .x+f q:r8f

  In Fig. 2-2, what is the acceleu y *dinr f+z+ru45s kivz2y+9ration at 3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 5.0 s34 2yyyrk*vnej 4hk; f?

  In Fig. 2-2, what is the average accel mze*liq o0;ks5wd z 6n8mt6g6eration from 0 to 8.0 s?

  In Fig. 2-2, what isbpp:sb fs m*q3a/mw :6 the displacement from 0 to 8.0 s?