Suppose that an object travels from one point.flk v-4 g:b56 uxoqim in space to another. Make a comparison k6fx - 4qo5iuv b:lgm.between the displacement and the distance traveled.

  When is the average velocity of an object equal to the instantaneous velocityf+pl r7/j.rd)g2jpisb c+ s .j?

  A new car manufacturer advertises that th)nwpy/w.8viv78td mr a.h x8wf+j o:ueir car can go "from zero to sixty in 8 s". This isrj.w / awhyiwo.p n:xf8vd) t+ uv8m87 a description of

  An object moving in the +x axis experiencesqzeu.8 n g:5aj an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) n)j)iff :w:+ v,gzvdsbegins to slow down as it approaches a traffic light. Make a statement concerning its v:z+:)) nw idffvs,gjacceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow mj k km*f7os11down as it approaches a traffic light. *kmfoj1k ms7 1 Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statem7v5 ntmnc hy9w7bu; kd ,e/nc)x2f q7jent concerning its acch /n;c2bd)e9kcnu x, qjy77tnvf57 w meleration.

  If the velocity of an object is zero, does it mean that the accelerat*l,ag6wwuh c 3(h)vwo ion is zero? Support yuw cov h36a*w)hw(gl ,our answer with an example.

  Can an object's velocity change direction when its accelejhfzuj ,so*; t a;l;a: u*i0gfration is constant? Support your answer with an example.* 0fo;zuauhsg;,tf jla:*ij;

  Suppose that an object is moving with constant acceld 7n9x9q8qplx vdd6l:. cds, i*ia.um eration. Make a statement concerning its motion with rqd *c8x i99mqd:i6d l. l7,vpxs uan.despect to time.

  Can an object have increasing speed while its acceleration is de+47 o3 i qfpcmlha8/tzcreasing? Support your answer with an ex43z if +mq8/acto7 hplample.

  Suppose a can, after an initial kick, moves up along a smooth hill of/6q h6 cd:dozf ice. Make a statement conco:fdd/ 6hqcz 6erning its acceleration.

  Under what condition is average velocity equal to theqf.i- g8lsld /zv+o1-kgvp/w average of the object's initiaiv -f-gw/p 1vz+./dls 8kqlogl and final velocity?

  Objects A and B both start at rec;qcxvivswk 5b (f3,cae 6b.,st. They both accelerate at the same rate. However, object A accelerates fxfi;56s(3. b vcc,kcew,abq vor 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 from rest. They both accelerate at the same rata6fz(f8;zr od e. However, object A accelerates for twice the time as object B. What is t (;z6fzr8d afohe distance traveled by object A compared to that of object B?

  When an object is released from rest and falls in the wh3o*di faqh: 9- iwh5jc;1okabsence of friction, which of the following is chw o*jki3fd:1h9a-wq;i oh 5 true concerning its motion?

  When an object is released from rest and falls in the absence of friction, whicm5j88 xs7ztboqc 8qpn2gl:* hh of the following is t2qgbh*px:q8 8mj 5 tl 8csn7zorue concerning its motion?

  Suppose a ball is thrown straight up. Make a statemeg* g0.n5xb i-twrl +y 2r+wzivesk h92nt about the velocity and the acceleration when the ball reaches the highestv r- ewzt2n+bx9w.g5ihg2ls*+ik ry 0 point.

  Suppose a ball is thrown straight up. What is its acceleration just before it r f-acoz pkmk ,(i4:fk9ea4:o-( ia 9f ckk,kzpmfches its highest point?

  Suppose a ball is thrown straight up, r1 ewjo/-apx+9q ab1ei eaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as 1 e a9wioejq/+b -pa1xthe ball is going up.

  A ball is thrown straight up, rev:hia/6p ho2 eaches a maximum height, then falls to its initial height. Make a 6:/opi2evhh 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 resistance. Make- 85 xba(e3xjgttjd3m a statement concerning its acca-xm ( j335 ttx8gdejbeleration.

  Suppose a skydiver jumps from a hgt4y /;aw )fbh:qah)cigh-flying plane. What is her acceleration when she she reaches termi)a4w:ft/g cybhqa ); hnal velocity?

  A ball is thrown vertically upward with a speed w w :al+hmvf ia-)()glv. An identical second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maximum height of the s-fmla)i:+)(lw gvh awecond 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 secsk 2 8fl*bwaq(ond later, ball B is dropped from the same82 l*qbafs wk( building. As time progresses, the distance between them

  Ball A is dropped from thzd 2eg p(g hbj-*fog6yt03n5se top of a building. One second later, ball B is dropped from the same buildingh6nj gbg( g-f d0pyto32 e5sz*. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a tall building. One is thrown u0zm zxl, 37vup8q xsoz2a9fu. p, and the other is thrown down, both with the same initia 7mzv,3flzoxz2s p08q axuu9.l speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a bovoo lzj kj6 obar9go,fx,5**6otd 12uilding. A second brick is thrown straight down frobooolkf o oga*56rx vz 9o6 2jjd,1,*tm 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 cn9bdfk3 gl)cn3 . nu/sonstant non-zero velocity in the +x axis. The position versus time graph of this object n3n9nbs gc/3d fk.lu) is

  An object is moving with constant non-zero acn rowue1 1b2jeyc7:(amcsh 19celeration in the +x axis. The position versus time gryh2:b1(s7ouejcwc 9re11a nmaph of this object is

  An object is moving with constapnric*jl:ks:53gs (w nt non-zero velocity in the +x axis. The velocity verspcril k:gsn:*sj3 w (5us time graph of this object is

  An object is moving with constant non-zero acceleration in the +x axis. The vel j2s s: wg547vh+apn ,q6 l8sphuobik/ocity ver b 4hl+2as i8s:5kgo7pvq,punwh/ 6s jsus time graph of this object is

  The slope of a position versus time graoe3 u k2zv/;kxjo l*u.f,bz2kph gives

  The slope of a velocity versus time go.*cba91 /m rlsd1gtp:6qveeraph gives

  The area under a curve in an accel u(-fq-gkw7)y+fn4 pv-ctokw eration versus time graph gives

  The area under a curve in a velocity ver4qt6zusmf j*qiop* 3q*8a 3mdsus time graph gives

  If the position versus time graphabkls*typj 2xx9; ; )o of an object is a horizontal line, the object i *;p j2boxx)y;s ta9lks

  If the position versus timery 4y 4*qi+uydv+4g dr graph of an object is a vertical line, the object isq+duyd*r +yg 4vri4y4

  If the velocity versus time graph of an object is a horizontal line, the oo 8b(rzi npe486t ymh;bject isrm( 8y6o8he 4;pbin zt

  If the velocity versus time3stci +q 2z g;5fkvulxw8i9 6h graph of an object is a straight line making an angle of 30 degrees wii8c93kgl+ v 5x;h26ufwzs i qtth the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find bxq-;q u 4wurhahi5q27oth the distance traveled and the magnitude of the displq rh q45-u iua;7x2whqacement vector.

  A boat can move at 30 km/h in still w.y1nvul zd;obxr6 k; wwhi /, -9b0cfh-w l5ysater. How long will it take to move 12 km upstream in a river flowiz5ufs-yw-w ch i,y9vh ;rnd/.61 ;wb lkxl0 obng 6.0 km/h?

  55 mi/h is how many m/8j-ttuul ; -+cjdchr6s? (1 mi = 1609 m)

  What must be your average speed in order to trt,2 wmwj-/ g+ifewl ;navel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2r6i 5clj+ +sbg hours and 57 min. What is the average speed of the runner in+ +sc6jb5rlg i m/s?

  A car travels 90 km/h. How long does it take for it jldal8 (7kmzm,cw9q5t2 hf6 uto travel 400 km?

  A ly (light year) is the distance that l)p to-fb.: akright travels in one year. The speed of light is 3.00 x 108 m/s. How many b):p f r-ko.atmiles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight roav.e *g.h, cpu4axk oy:d and you look to the side for 4.0 s, how far do you trav.va4 h:*. k,pxoyuegcel during this inattentive period?

  If you run a complete loop around an outdoor 06 uifp-yzok7p* x7ti track (400 m), in 100 s, your average0tyokp fi z7*ux 67i-p velocity is

  A polar bear starts at the North Pole. It travels 1.0 kmw yc.8yps6 u89)wrtu0f xyx s- south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. T)t8 xpc rsf. -8xyuw yyw9su60his trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It travels a fuy8i.c*8k r1.0 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 take8rf.8 au*iky cs 45 min. What was the bear's average velocity?

  You are driving home on a weekend from school at 55 mi1g jkf33v +rfr/h for 110 miles. It then starts +33jrk1vf r gfto snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 km/h and 160 km at 100 km/rpwb.o6q 02wfklp 8neetk )6(h. What is the average speed of the moto6pt o028(eke. nf)q6klpb wr wrist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 p+ uyhj5e k3d--uwif.f4 :zf ik62bd k *qg(wkkm/h. What is her average spee2w3dyi:ff6k(5g u4zqkh -jbp *d-.e+ kwiukfd for the trip?

  An airplane travels at 300 mi/h south for 2.00 h ,yf s;8)0lwzb+qy pql and then at 250 mi/h north for 750 miles. What is the average speedq+f8qp;y l,0s )lywbz for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 1cp+ *:z;nl2 cg+pzvll 00 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 teg:+vz+lclpp ln* c;2zam A runner starts the final leg of the race, in order that the team A runner not lose the race?

  A car decelerates un su cli6u:mp/l jn ;pbcr1z,:8iformly and comes to a stop after 10 s. The car's average ve/j8ui,c1 u 6 s;bpn:zpcl:l rmlocity 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, .:-)oyoabso/ o* i e25rkqn)vv oz.e vat the average rate of vov.2y/or s:-.oniqo))o va e5* ekzb$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/es*e i/ppx( :ch 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 npm. l gpg/ 59ap )yc21d8jmqtand 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 ,l rgvrt8.0rbs. It then speeds up with a constant accelerationl. r8rt0rvbg , of $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 m/s experienc/ lu, bf5y1hqves a constant acceleration ofyuqlv f1 bh5/, $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x y;a yh sf//4ajdirection) with a speed of 500 m/s strikes a sandbag and penetjf hy4y;/ sa/arates 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 catapd6)y5 k c*qt0q3xw, ipl+ij bcult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2.0 s. Assuming the acceleration is constant0)kwdq*+yxcqcbp ji i5 3t,6 l, what is the length of the catapult?

  A car starting from rest moves with constant acceleration o.spg u(wvh4(aaxmv 7 ;f $2.0 \; m/s^2$ 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 200 m. What is its averf9g)iid2cb4-r 1e vsm age accelerationc brfi-9si1m4 d ge)v2?

  An object starts from rest and undergoes unifor u5ymy dl+.*nmm acceleration. During the first second it travels 5.0 m. How far will it travel during the thir+md yulm.* 5nyd second?

  An object is moving in a straight line with constana wqv/ban0 n2x/7wo9f-yoo g (t acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling a2f7ob 0gwvq 9 yo n/anaow/-(xt 10 m/s. How far does it move during this time?

  A car starts from rest and ndn fn*/r p0s- )uy2mjtx:x1l accelerates 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 rpwi t6+sv6kys hq8.a:oad 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 licro yt3rcdt3f46.( ed ght turns green, a car that has been waiting at the intt(t64 rccdr f3oe.y3dersection 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 with a speed of 12 m/s on the surface of plan8c*21uhm i*k (wn9m asr+iehpet X where the acceleration due m c*1(kiahh2+8n *e9wir ums pto gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upw9aye/8 vjp-vd ard with a speed of 12 m/s on the surface of planet X where the acceleration due to gre-/ jvv89d aypavity 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 q( m3c dgva;.omu8l+ ,n r17 rki.whhwplanet X whereoihm1nw;(mr7wd. q,u3rh +l g kca8. v 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 upward with a speed of 14 m/ork g,)+bal 3is on the surface of planet X where the acceleration due rlak) ,go+3ibto 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 holdswgdwc1 g8rm- y5nv 9t(c,twc2 a ruler betweewmd5-ycn w,2c8twgrg( v 19ctn your fingers and releases it without warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a ve z95lcx )iwl a;x* /;fftyqxc+locity of 19.6 m/s. What is its velocity after 3.0 czqwylxa/litf9 +*;)5;c xx f0 s?

  A bullet shot straight up returns to its starting point in 10 s. i (jz*tx i2qgq wpe3-jo6k1r) What is the initial speed -6g* ezqx rj3o j2qt( )p1iwikof the bullet?

  A ball is thrown straight up with a speed ofpvff(z yd5g)02 1bsfy 36.0 m/s. How long does it take to return to its sta)5 v bfd0sfy1(py 2gzfrting point?

  A ball is thrown downward from the top of a building with an -1sw xjj7y na7 x tgdc,dw,-m1initial speed of 25 m/s. It strikes the ground after 2.0 s. Hotn177 jdx,xd s1 yw-camw-g j,w high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only f8qr hi,b3x;uys8 t5lnz8kz/rill in numerical value in the 88bn zq ;u ,x5rlhsr8kz3i/ytblanks)
(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 speo7 (jhap;-sloj w6j/n ed of 30.0 m/s. (only fill a;(spwj jn6-7jol h/o in numerical 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 atu/k4kr j1val7go9t+qd g)v* h t = 1.0 s?

  In Fig. 2-1, what is th: j;a dp. +ku28sdlibue velocity at t = 2.5 s?

  In Fig. 2-1, what is the velocity at 8 qwk5-b jqg93y,hhqpt = 4.0 s?

  In Fig. 2-1, what is the velocity at t = 5.5 -tl. w*fpq*oj s?

  In Fig. 2-1, what is the:6xars mb,f(;m ow6at average velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocdqb i u5y3 3x4km-w)+lqnwqo2 ity from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration atl3t-v zj( :sujtl. h4o 1.0 s?

  In Fig. 2-2, what is the acceleration at 3.0 so)dg kxom9s ;(?

  In Fig. 2-2, what is the ave 2dnuh)cs)d8c5nad: d -)j zherage acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration frool8 e 9rxfi/gq6lsc67d8o)j;rra 1fdm 0 to 8.0 s?

  In Fig. 2-2, what is the displacement f 6ioqyl ovs:lt+u7 g*5rom 0 to 8.0 s?