Suppose that an object travels from one point in space to another. Makemnp i9. ;1o q4/0)yiwcovwb(: pigley a comparison between the displacqgpym o/p4:i e9bin01).wvcoi y wl (;ement and the distance traveled.

  When is the average velocity of an object equalo.i m.,s 5v 2.lc fr8nvlyn)oa to the instantaneous velocity?

  A new car manufacturer advertises that th1 kwj i8).o(y v*rnmdeeir car can go "from zero to sixty in 8 s". This is a de*8 m.i1kdoryn (v)j wescription of

  An object moving in the +x axis experiences an acceleration m5ih jtv(c12q of $2.0 \; m/s^2$. This means the object is

  Suppose that a car t4bc +b+rc2a (0 ol8d2 hv* rskjhy6zffraveling to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concerni +04( h+f8jrho b*fva2clrsdk62yz bc ng its acceleration.

  Suppose that a car tryp9kqxb66h. t) t zvwz,; cd7xaveling to the West (-x direction) begins to slow down as it approaches a traffic light. Make a statement conc9v;xt 6t pz)7q6xdybk c.zwh,erning its acceleration.

  Suppose that an object is bzslv0gu2 17,c+ lvv( y4qrzxmoving with a constant velocity. Make a statement concerning its accez0vqxb4rylg 271zvlcs( ,vu + leration.

  If the velocity of an object is zero, does it m-(s, b,6+uydbycwpapean that the acceleration is zero-6 b,ppy,bd+uac w(sy? Support your answer with an example.

  Can an object's velocity change dimg(/+qhr ymw0rection when its acceleration is constant? Support your anw gqh/ymm +r0(swer with an example.

  Suppose that an object is moving with constant acceleratg+ mz7 neq szw6(/y5aqion. Make a statement concerning its motion with respect to tin/zaq 5ysm7z+(gqw 6eme.

  Can an object have increasing speed while its acceleratiob5q fno)6l4 +gt pvbs;v qm2l7n is decreasing? Support your ans2 bp)qsl 7bt;f5+4mgv 6qnvol wer with an example.

  Suppose a can, after an initial kick, moves up along a sm.c +0hdjse*x9-rh*n y qqram;* -zpcmooth hill of ice. Make a statement concerning its acceleradm-xc -an szh *rcer *q+*qm yjp9;.h0tion.

  Under what condition i-h9 y;2 ihvn(/cbaw bxs average velocity equal to the average of the object's initial and fihi ywvc-h x( a/9bn;b2nal velocity?

  Objects A and B both start at re6p:tj eyo 0lsct- uk/ c/*m.lyst. They both accelerate at the same rate. However, object A accelerates for twicl* keo6sym.upct-l:/y0 tjc /e 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 bocncja1jp :t+x4i7wi,ia3o s2-zb h1yq a-lt/ th accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by object A compared to that of obq/ 3:cb4ji hwixo+7ta1 ytz,1 n2j-lpcia a-sject B?

  When an object is released from rest and rwf-e4u kp uoh2w10o2 o2;pmb falls in the absence of friction, which of the following is true conce hoebu22 f0kp1rpo uw4m2-o;wrning its motion?

  When an object is released from rest and falls in the absenceh mtu+b ,zc/2j dat6o.g,/t vq of friction, which of the following i ,6,dtao2t tmu/ cg.+zqh bj/vs true concerning its motion?

  Suppose a ball is thrkwo6pc: rw3b fza*0 :nown straight up. Make a statement about the velocity and the acceleration when the ball reaches the:*wn oa:0pwbf6 3zkcr highest point.

  Suppose a ball is thrown straight up. What is its acceleration just before it -hky7t x1s g-freachesf-7 skx1th-gy its highest point?

  Suppose a ball is thrown straight up, reaches a maximum height, f-nmbynrgk:o *5s62p then falls to its initial height. Make a statement about the direction of the velocityomn kf p :g-2by5*r6sn and acceleration as the ball is going up.

  A ball is thrown straight up, reaches;q y6) mp 8r ht)bl8qnm.k n.wgiup-6i a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceler.86i qnymt lwkb.ng-q6prp8mhi u; ))ation as the ball is coming down.

  Suppose a ball is thrown dr-ddyl4l. ;dtm x .n5lownward in the absence of air resistance. Make a statement conc d .ml ltn;-4l.x5rddyerning its acceleration.

  Suppose a skydiver jumps from a hig4qzzgfm62 - j q*/ jf8ir.i:mnew/ylgh-flying plane. What is her acceleration when she she reaches terminal:w.j -fz*ymz24n/iiqf/g j86 qmrleg velocity?

  A ball is thrown verticallyt)p0m b0z18ultr/oyh upward with a speed v. An identical second ball is thrown upward with a speed 2v (twice as fast). What rmlt0o0t uz 81p/hy)b 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 ro7--h t hfk4ig*fzyfb79mk *top of a building. One second later, ball B is dropped from the same building. As time progresses, the dist- 9-thh zrfikob 7*ymfg7 fk4*ance between them

  Ball A is dropped from the top of a building. One second later, ball B ist ynxvec.vnjuw5 ny/d 9/3,:l dropped from the same building. As time progresses, tl cdny :,wv9n/n v3.u/yt xje5he difference in their speeds

  Two objects are thrown from the top of a tall building. One is thrown up, and thk h0c 4 a-3s(8jo u9aq*7wxdvqpl x0vhe other is thrown downl 4xqo7 hvx( 3*8hu0skdja0a 9 vwp-qc, both with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top ou3md(/5m b21peuigxq/n xw6rf a building. A second brick is thrown straight down from the same building. They are released at the same time. Neglect air resistance. Compare the gx/bw6/u midq(513 2peunm xraccelerations of the two bricks.

  An object is moving with constant non-zero velocity in thez; (,y 6idtfgw +x axis. The position versus time graph of tytfgz; 6,w(i dhis object is

  An object is moving witv.og g: hjwjwljhk*fi -*8-0b h constant non-zero acceleration in the +x axis. The position versus g f:-.08g*owih-*v jw hjljkbtime graph of this object is

  An object is moving with constant non-zero velocity in the +x axis. The vhl014 h.u bglwelocity versus time graph olbhuwgl4 .h0 1f this object is

  An object is moving with constant non-zero acceleration in the +x axis. The v/h 6-fpylvke* 2o5 *p c5k 6dk/ebfqtbelocity/5v-bdkteh5el bc66q* * /yo2 fkfpkp versus time graph of this object is

  The slope of a position versus time pzoa bzy )u-7sw 38q;9dts-q 1zb v3ftgraph gives

  The slope of a velocity 5p2 mg+00u+z7ujzd9 pzvkq wpversus time graph gives

  The area under a curve in an acceler(*u qq.ee,i +gkvrr) eation versus time graph gives

  The area under a curve in a velocity versus toeh2h 12bs bw7u/uejq)r .a w4ime graph gives

  If the position versus time graph of an object is a ho9j:6 yjaz.fko rizontal line, the object i 9k6oyj az:fj.s

  If the position versus tim,k13fndcn mfkz6 2 kd6b-ua :qe graph of an object is a vertical line, the object is:3fq26a dk1u fkz ,6cnmnbk-d

  If the velocity versus time graph of an object is a(* 5bvgdevb,:-b+ illo kocl ; horizontal line, the object vlo og( iv5,-bd :eb*l+;kclbis

  If the velocity versus timet b26tyvnd/*lm6fx 6 c graph of an object is a straight line making an angle of 30 degrees with the d vytx*6l m6c/tnf b62time axis, the object is

  An object moves 15.0 m north and then 11.0 fog3p)u,r (d twpz9a*m south. Find both the distance traveled and the magnitpf)9pa3ut,*dz og r(w ude of the displacement vector.

  A boat can move at 30 km/h in still water. How long will it take to move 12 cy59 sngsd 4y;,kgkt7km upstream gysnd;c7k 54gk,y9st in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609 m: ne6xn zb;e4qw0 upei *43lcn)

  What must be your average speed in order to travel 350 km in 5.15 h?8 *jyq+tc-n fqg0go.i

  A runner ran the marathon (approximately 42.0 km) in 2 hours and 57 min.9fgb c9 ilum/kprq6:68vje(5 qg-myu What is the l mrfp(c8 u6iy qg:u9mb6 9kej qvg-5/average speed of the runner in m/s?

  A car travels 90 km/h. How long s9lzt12a gbet2 j 2l.pdoes it take for it to travel 400 km?

  A ly (light year) is the distance that light travelsp,, 7letsyt-u in one year. The speed of light is 3.00 x 108 m/s. How many miles are there i-t 7yt ,lspe,un a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h alonu4 ; 1:oo4yug zgmkzi ork0vyu3/a7:zg a straight road and you look to the side for 4.0 s, how far do you travel during u:k or/;k 0 i yvu41:4umzzgzyoa g73othis inattentive period?

  If you run a complete loop around an outdoor tran;7q a,- v)x. gurfpddck (400 m), in 100 s, your average velocu)dnag7rvx.f; d-pq ,ity is

  A polar bear starts at the Northjvuib . 2(rgkee(5x.v Pole. 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 starting point. This trip takes 45 min. What was the bear's average speeex( i.b (j5.k rvvg2ued?

  A polar bear starts wn,t ,16ak psrat the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west tar t,6n1s kw,po 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 55piqf, 5n)jk 4b mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hou5k)fb,j q n4iprs and 15 minutes. How far is your hometown from school?

  A motorist travels 160 km at 80 km/h and4m cke0u 3ce;b 160 km at 100 km/h. What is the average speed of t;ee04 ucb3cm khe motorist for this trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 9p.td8i) ign6djvl6ch at 100 km/h. What is her averagicdv . 89)jt nl66igpde speed for the trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/h north forvs7gc s )i(2acasg1 6ih/rn6aacj 1l5 750 mic)c2siaj( 7g ia/ sva65sc1h6 g1 alrnles. What is the average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last bj3knp , vwg)/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 w b k3j/)p,vgnis 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 stop after 1 0 ( dtubjplg-tq,o;(n0 s. The car's average velocity during deceleration was d-n0glo u;(pb qjt( ,t50 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 averagedsa6cjf ey,u:ikd +8 , rate of ed6sk u:,fd,c+j 8ayi$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at tup 6jquj.tj0b,. s* di9brgw/he 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 accelerates at f-r)j phfcv26. f 0v6lbh jsfk2pu0p 4jcj6h5$4.0 \; m/s^2$ 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. 3z +eobcl(b0w It then speeds up with a constant acceleratioe0bwblocz 3 +(n of $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initialw unw0)lx x/nb.1*4a,s f6f aqtv ef:q w2gh(l velocity of 5.0 m/s experiences a constant acceleration of fgex2wnna:. ltq *4s/avu 0q fb1l)wxwf6,h( $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontpf)6) :xfezjs5 bha- kally to the right (+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. azs bkj h-f)efp5)x:6What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an a f:k*kw7shscy w-b :bgw)rq9 :ircraft 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 constant, what is the length of the caqw:gk9-:k)*ww f c sbhbsry :7tapult?

  A car starting from rest moves with constant acceleration9, 1iocn, a( (z+)1 feffrmblbcgft/a 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 average ac)9 b8+po gpkk,yr5hnh: fqt j;r1)mdfceleratiofr:)m;9n,h5qr)d 1gkj hp pbk8y tf+on?

  An object starts from rest and under)geo;z an(nt) goes uniform acceleration. During the first second it travels 5.0 m. Ho(;zten)gon a )w far will it travel during the third second?

  An object is moving in a straight line with constant accelera.yr6 z24rqq intion. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does it move during this tim.qzir y 62nrq4e?

  A car starts from rest and accelerates uniformly at +xgom.n i vb13p+y8 yy$3.0 \; m/s^2$. 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 5u xnc3lrjo -3can 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 light turns green, a car that has been waitihu a ziek db44;d+s7x:ng at the intersei 4b7dde4 u+h:kxzs;a ction 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 planet X whe1w,m80as35qs sdn 2cgp qw:xzre the acceleration due to gravity is s a:,x1ws5cdwsq2 0gm8qp3zn $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a speed of 12 m/s on the71y ttvr7gx0 d surface of planet X where the acceleration due dvxt77rt10 yg 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 pgt dl x6 x3wu6ioa+hkk4 tr,2+lanet X where the acceleratio26tkkro, au4dg ti3 x +hxw6l+n 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 sch62b54w clhj w( crr2peed of 14 m/s on the surface of planet X where the acceleration due to gravi(rwh2cbc4c r h6jl 2w5ty is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usl4c k(9 3jjpcwxe66w2oikwrl, wx- i7ually greater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can yw l4owxj,x wp-67lcj cw( k236iker 9iou expect the 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 5b .eezy0o5 id3.d. eeo50 5izyb00 s?

  A bullet shot straight up returns to its starting point in 10 s. What is 5 loj)u: xu:6aw)nijfz r0k0 ithe initial speed of the bulle0jf0:a6 ul5zr xu :kj)o)iwint?

  A ball is thrown straight up with a speed of 36.0 m/s. How long does: dcog 5xpg6n9 it take to retur9c6p5gdo x:ng n to its starting point?

  A ball is thrown downward fa:2f fm4j--mdb7iy werom the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How high is t 2y7fiwbe -fdmj 4ma-:he building?

  A ball is thrown straight up with a speed of 30 m+1b*6ip ghxz*vm ;hpm /s. (only fill in numerical value in the blanks)mhmv1 bp*;+zh i 6pxg*
(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 upsk z mjh3ntc f*c5c9jk( .ua:3 into the air with a speed of 30.0 m/s. (only fill in numerical value in the bljc5:kc . thkc*(su3zjm 9 anf3ank)
(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 dn 62t. wvn)3gmho (wx+j4teqat t = 1.0 s?

  In Fig. 2-1, what is the ves r5ucl4wh83 dlocity at t = 2.5 s?

  In Fig. 2-1, what is the velocity at t = 4x )dhx7q3)k0 gu cr/zv.0 s?

  In Fig. 2-1, what is thmzwhux3ph(*ev+c 62 z e velocity at t = 5.5 s?

  In Fig. 2-1, what is the average velocity from*d/b/dq5i( -7rbsjmdik l 3vk 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity tnt57c a +nkz6s+wbnsyr,3g, from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration at 1.0r( ; hbmf, .dcps nr5vk+,umi- s?

  In Fig. 2-2, what is the accelerat5. qu5nq tlr)mion at 3.0 s?

  In Fig. 2-2, what is the averaghv*e hu+/rq/qe acceleration from 0 to 5.0 s?

  In Fig. 2-2, what is theaww2;xt *prsm,3* unk average acceleration from 0 to 8.0 s?

  In Fig. 2-2, what is the displacem3a5li9xn ) tu zjf:6ksent from 0 to 8.0 s?