Suppose that an object travels from one point in space to another. .clt5d zli0 m5Make a comparison between the displacem5zcmdl0i .5lt ent and the distance traveled.

  When is the average velocity of an object etg o+qjfj/-7r. jcfr x815wzy qual to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "from ze df-usepx)ezh8 x;no6(-y9n bro to sixty in 8 s". This;nd o -(e896uxhpxeb ny)sz-f is a description of

  An object moving in the +x axi cnelv9,mcn5su 7e.m3*y b fa0s experiences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begins tob/8jq * fw.csn*py8dm slow down as it approaches a traffic light. Make a s*8ncfspw.*qj b8/ md ytatement concerning its acceleration.

  Suppose that a car tramsqamp0 4.vx +wmp;t.;lq5tiveling to the West (-x direction) begins to slow down as it pqt 4slm 0 wx+m;im.ta5vpq.; approaches a traffic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statement ro 0:3p5aocw-h9on2 xpesquq3ba* o+;c /w szconcernin*5;nozc-urqcwp0e a bp+3 qoxw: ha3 o/s2 9sog its acceleration.

  If the velocity of an object is zero, does it mean that the accelezu5xy6 ,opk.09y kd)ra l/vhiration is zero? Support your answer dao irp0ykx/ ,v .6 yk9hul5)zwith an example.

  Can an object's velocity change direction wespkg) y;0 9bkhen its acceleration is constant? Suppog;b 90ke )kpysrt your answer with an example.

  Suppose that an object ixb7o0 j6vci7n,t . 0k6bb xkyws moving with constant acceleration. Make a statement concerning its motion wbbiv0ojynb. kwt7067 xk6x ,cith respect to time.

  Can an object have increasing speed while its acceleration is decreasinullkmalp,p a80f9 yj6vy ,r8 4g? Suppor lm 0 ,kp84lv ,a8y6uap9jrlfyt your answer with an example.

  Suppose a can, after ye) vea43(t4cucm7 owan initial kick, moves up along a smooth hill of ice. Make a statement concernin4e3 (ce)ou7tv 4wm yacg its acceleration.

  Under what condition is average velocity y+uyn b ow-m;vfy:60oequal to the average of the object's initial and fw vm6+ y-:bo no0u;fyyinal velocity?

  Objects A and B both start at rest. They both accemc 109sf zlu;alerate at the same rate. However, object A accelerates for twice the time as object B. What asulf0c9z;1m is the final speed of object A compared to that of object B?

  Objects A and B both stac 1k9+1k)uhh-v ud67hd ndfjdfhc) /q rt from rest. They both accelerate at the same rate. However, objec fd1 uc d/)j9h)dd-nfu7k+ vkc1h6q hht 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 rest;o02srclupd9oa + d.m:+a xpl and falls in the absence of friction, which of the following i+.2pxas:a d 9um l+0;o lcdoprs true concerning its motion?

  When an object is released from rest and falls in the absen-u *(ee3c9w ,-rnyko. c cmnxrce of friction, which of the following is true concere(*cc 9ucrr-ky,x -nwo e3nm.ning its motion?

  Suppose a ball is thrown straight up. Make a statement about the velocity acyl i i;w,b6h:nd the acceleration when the ball reacyh6ci ;,wli:bhes the highest point.

  Suppose a ball is thrown straight up.*v-jz jm.ea5h What is its acceleration just before it reach5v j-*ja .mzhees its highest point?

  Suppose a ball is thrown straigh kzt9yr*v:q0d t up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and accelerat9 zkdt0 qy:r*vion as the ball is going up.

  A ball is thrown straight up, reaches a maximum height,b*;t;rh)7c:cbgtu t l then falls to its initial height. Make a statement about the direction of the velocity and acceler;7b) tch tr bug*:;cltation as the ball is coming down.

  Suppose a ball is thrown q .) npwkpqqt3o/ 7tuy*n,-lcdownward in the absence of air resistance. Make a statement concerni)7n.-qco* tt q u3/qkp lyp,nwng its acceleration.

  Suppose a skydiver jumps fro1c3fmsel2ojc / o:v-5 sm(zan m a high-flying plane. What is her acceleration when she she reaches terminal velocitym(a13sjzvon2- l:c oe/ 5mfsc ?

  A ball is thrown vertically upward with a speed v 9flah -*p iezed- 7il6f0qmj5. An identical second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maximum h afh-9i6-i ze7f lmjldpq 0e*5eight 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 secon:euc m nm lz8;u+ad./ad later, ball B is dropped from the same building. As time progresses, the distance bet. ad8 lm na;+uze/c:muween them

  Ball A is dropped from the top of a building. One second later5.gf + j8)m5comdhjpl- ghsb*, ball B is dropped from the same building. Asm8c*f .j lsg+5obg) m-p j5hhd time progresses, the difference in their speeds

  Two objects are thrown from thefekd *0l gje;0 top of a tall building. One is thrown up, and the other is thrown down, both with the 0*e;jkd0g efl same 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 thrown straightxnki.07f ;rl g down from the same building. They are released at the same time. Neglect air resistance. Compare the accelerations of the two bricks. 0.igf knx7;lr

  An object is moving with constant non-zero velocity in the +x axis. Th )yag mpyn0ri,l )+:khe position versus yr ,gl0)k: iny+p)ham time graph of this object is

  An object is moving with constant non-zero accelera y0diai1m/ xodi.j0y-tion in the +x axis. The position versus time graph of this y.j/iodi a0iymd1x-0 object is

  An object is moving with constanweek/o(v3j;z vw;k1a 8asgy4t non-zero velocity in the +x axis. The velocity versus t;wo4(s /gkey jaka vv13;w8 zeime graph of this object is

  An object is moving with constant non-zero a(hn ppv-t: .necceleration in the +x axis. The veltpn nep- (h.v:ocity versus time graph of this object is

  The slope of a position versus time grapj m*8-k d1dnys8rm j-yh gives

  The slope of a velocity versus time grh +vkhw ;;nu+raph gives

  The area under a curve in an acceleration ver ,0j q1bw(ff*ealc/a; +zibc. -fvd5is 7ok zrsus time graph gives

  The area under a curve in a velocity versus time graph givem.y zwyj6l)snklzx4 61i5 dw8gw3 )nhs

  If the position versus tqpqxt43 sn ke(vu,(q5v r1x3r ime graph of an object is a horizontal line, the object q 3tue,(sx1 k qn3vx(45vrpr qis

  If the position versus tiunwcxy+g9 08k6ma b-vme graph of an object is a vertical line, the object ism8a6ybvgwunk9 x+ c 0-

  If the velocity versus time graphqig6,x ;s6h: uyydqrxw*p ( x8 of an object is a horizontal line, the object pqh*dis,(;g6 6ux 8 rx yqxy:wis

  If the velocity versus time graph oh sgv,50ib+bqf an object is a straight line making an angle of 30 degrqv5ih g0bs +,bees with the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both th/fax+tvu8j+ 1 ; gc;gxea9xlp e distance traveled and the magnitude of the displacemen+9;gxxfulg +xpe1cajt v ;8a/t vector.

  A boat can move at 30 km/h in still water. How long will it take to movd*vx9-df8frs eqs2 8oknhhid t o9b)( .04tto e 12 km upstream in d)fvht8o hexodt i-q 04sk89d(2 o ftn9.s*bra river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 ml/68 87povtwo x4imc:yu,o wi i = 1609 m)

  What must be your average speed in order to travel 3,a:cej:xw yq ,50 km in 5.15 h?

  A runner ran the marathon (approximatelyf*v3hw+ hx.fs 42.0 km) in 2 hours and 57 min. What is the average speed of +hf3fsh *.wvx the runner in m/s?

  A car travels 90 km/h. How long does it take for it to travelzo/.cz2a m pg* 400 km?

  A ly (light year) is the distance that light travels in one year. The speedr 3c2oaye)tn+ of light is 3.0c)n 32ayoet+r 0 x 108 m/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a wr)uqn85b /va straight road and you look to the side for 4.0 s/58nrwbu) a qv, how far do you travel during this inattentive period?

  If you run a complete loop around an outdoor trar+;;kw - y*n nqjlab6kt ;zc,/)aitfcck (400 m), in 100 s, your average ve+kfnb)t/;j yt;*n6,w; akl zqacrc-ilocity is

  A polar bear starts at the Nor z:cze bqh-3f6e:ec eh7*t q+sth Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return e7f:ze eb-hch +cz6*t e:qqs3to its starting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the Nrce h 90a-s)5 ufslgywzg(x. 9orth Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km u9h) x.905(s-gzwgaeflrs cy north, then 1.0 km west to 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 kc/*o u,ceq.l+ij ,d r55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours an ki *cqer,d+jo/,.l ucd 15 minutes. How far is your hometown from school?

  A motorist travels 1608j2q(op 3uw+ 2rdwyzn km at 80 km/h and 160 km at 100 km/h. What is the average speed ofnr p3y2( d+w2wou jz8q the 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 lewbmj 8(-*h mher average speed for t(wm8lm -ehb *jhe trip?

  An airplane travels hmm4l:x;;ugd at 300 mi/h south for 2.00 h and then at 250 mi/h north for 750 milelghx mu;;m d4:s. What is the average speed for the trip?

  In a 400-m relay race the a-8 6e;h;jk,qe eqvkes nchorman (the person who 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 the final leg of the race, in order that the team A runner not lose the r-6 hqs jk;eeqk,ev;e 8ace?

  A car decelerates uniformly and comes to a stop after 10 s. Tm(zx/7+0zd:n)a zls0cdzn-sv( be vphe car's average velocity during de((zvlnzz) 0m xd 7 dvzssep-+c/0b:anceleration 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, at the av n iz-nka3d3vmvt4s ,1cqd4l +erage rate of it+zav3ds4q n4-kv n md1 l3,c$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelery/tsw ob5k ;i2z6k sq-s+rzb+ ates 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 re54(ucg kxxb +bst and 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 wnr j9yzi u0v.qk /l;f)ess+4w ith a constant acceleration of ;9kwns )uqlv.yr ijs/ 0ef+4z$2.0 \; m/s^2$ 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 ch 40z1zlf0+fsqeu wu4 onstant acceleration of 4+w fl f4z0e 1uh0szuq$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to thwdo)e ik2.7hwg, *m3;l7o .pybcek nye right (+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. Whatkgiwoh7.;e c dn,e2y*kyl) wom 3p b7. is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launchedr)ay8ah p1e6:bfe9i) izd; og from a catapult 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 cons)rz1ahy; ge) i b:i9p8afod6etant, what is the length of the catapult?

  A car starting from rest moves with constant accele8rokbn/xng c h r/o886ration 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 200 m. What is its ave7usn+ 8bbm/xrha p;7irage accelerat/unip 7 m7 ahrbxs8+b;ion?

  An object starts from rest and undergoes uniform acceleration. During the first(uhe0 z5s:vb q second it trah:0 us vze(5bqvels 5.0 m. How far will it travel during the third second?

  An object is moving in aj7 euamgy.:2 u straight line with constant acceleration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does it move duri2m: 7agueuj.yng this time?

  A car starts from rest and accelerates u :q9b0wron990 uly6y ljo1jp sniformly 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 decc rluski68iop2 n:,.l elerate 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 traffizd mb s8 r9jn;xx,ot8p+tb.o*o b;1ys c light turns green, a car that has been waiting at the intersection starts ahead with a co+*b8rto oot .jb snpxsdmxy9z;b;,1 8nstant 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 p/(dv ::pf l1oaeo)di olanet X where the acceleration due td :i:eo/)vp(lofo 1dao gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a spep/p. tap* ks15amvn o8ed of 12 m/s on the surface of planet X where the accea p.vokpn5mt sap /8*1leration 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 plane xb(rl o5bp:.k1fv/att X where the ac:15.baptbkx o(l rvf/celeration 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/s on the surf2+joan e:dh x4k4s rp7ace of planet X where the acceleration due to gravitdo 4pr274ens kja+h:x y is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually greater tgdvg t o 64z6/+d0mulfe)1faa han 0.10 s. If your friend holds a ruler between your fingers and relea64 aog)+/vgf6 e amt1lu0fd dzses it without warning, how far can you expect the ruler to fall before you catch it?

  A ball is thrown upward at a veloog(d5j f8zjgb2/ n41 eqyu.d fcity of 19.6 m/s. What is its velocity after 3.00fg( jqoy8/ 2d.gn1jef5zbu 4d s?

  A bullet shot straight up returns to its starting point in 10 s. (*q3rm7p3xmre mp6t m What is the initial speedqmr* ep3r mm3xpt67 m( of the bullet?

  A ball is thrown straight up with a speed of 36q;qo j4jr*b*vp8 s/jg.0 m/s. How long does it take to jbr*p q j/;8ovsjq 4*greturn to its starting point?

  A ball is thrown downward from the top of a building 4/c;xvvl+g6;x sc5s b ilzl7i with an initial speed of 25 m/s.;b4ix7x+csl5 zsl6c/ ; vivgl It strikes the ground after 2.0 s. How high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only fill in 3aresnsx;v5j g7 wu;7r*dwy* numerical value in 3;s5waegr *x;uyjd wn7 rvs*7 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 s5 zutgaju2zgg53ll,my4a rfs: (8bd0 traight up into the air with a speed of 30.0 m/s. (only fill in numerical value in the blank,aj3ulgmr40lf 5uz(z gyb 2d :5ags8t)
(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 tf77gl8. pn- ui aq8 o1.b/tjc tbai;qa5qy,yb = 1.0 s?

  In Fig. 2-1, what is the4:sxarl o re/k*(h7d m velocity at t = 2.5 s?

  In Fig. 2-1, what is e 8 yoi,,v/2w npnq+pqthe velocity at t = 4.0 s?

  In Fig. 2-1, what is the velocity at th qe0.jer j (p 8f :vq.plh3mps,bc8t2 = 5.5 s?

  In Fig. 2-1, what is the avc.4k2fz2pf leuvd8 i1w 8vkm9erage velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the averaguoq(t yu5ei: (e velocity from 0 to 6.0 s?

  In Fig. 2-2, what isng6j vs kzs9uc3(t( s- the acceleration at 1.0 s?

  In Fig. 2-2, what is the accelera)xkc1 bi)yc q*tion at 3.0 s?

  In Fig. 2-2, what is the average accel q y2ii.jgb5;va)a uo:eration from 0 to 5.0 s?

  In Fig. 2-2, what is the avedgjaza++ c6 ex7d7j.erage acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacemen4qjtn1)a8)rp9jio d x t from 0 to 8.0 s?