Suppose that an object travels from one point in spac3.w6d*ivpn gre to another. Make a compardw*3n 6rvpi g.ison between the displacement and the distance traveled.

  When is the average velocity of nmdm-/vy )- wkan object equal to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "from zero to svpop c/d;4n + zw,5gxdixty in 8 s". This is a description cdgdp 45vzx n+;,wp/o of

  An object moving in the +x axis experiences an acv:t2btx z2 h40xxz0g4kho 8wmceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x dir8+ a3qujo9ls rection) begins to slow down as it approaches a traffic light. Make a statement concerning its accellro83q +u9ja seration.

  Suppose that a car traveling to the West (-x direction)d 1lw evy934cl begins to slow down as it approaches a traffic light. Make a sl1 wedcy3v9 4ltatement concerning its acceleration.

  Suppose that an object is moviausgpnh30 ; vw-4.bq7 rqu4 ijng with a constant velocity. Make a statement concerning its accel.q4bug w 7r;3a0 -q hjnup4siveration.

  If the velocity of an object is zero, does it o alv p+v,dyoj;g5e;1mean that the acceleration is zero? Support your answer 1pj5v;edvy, l o+g;aowith an example.

  Can an object's velocity change direction when its a l/g y.vf3(z6pwwm5z2ct*rpe3t *u xncceleration is constant? Supp3( wf t5cx 6* vezug.mtlp rpy/n32zw*ort your answer with an example.

  Suppose that an object is moving with constant accexl+x9r me ml 5g5ac-4dp-pu n4leration. Make a statement conc9l l-m5+eg 5pca4 4d-xuxrnmperning its motion with respect to time.

  Can an object have increasing ogntl4b0aq 4 u9*r+jw speed while its acceleration is decreasing? Support you4jru wo l904 g+bn*qtar answer with an example.

  Suppose a can, after an initial kick, moves up along a smooth hill of ice. Ma. tfsy5kj cx3+ke a statement concerning itcjkx .+ysft 53s acceleration.

  Under what condition is average velocity equal toaiw3ds;thil +u3 ukg+2(/qco the average of the object's initic i ;3s2wti+ kq3dl+oag/uu(hal and final velocity?

  Objects A and B both start at rest. They both1zj.,4 2tkv kf uic-ly accelerate at the same rate. However, object 2, .j-yu4 kci 1ftkvzlA accelerates for 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 acceleqvwkiqn*c +2) o x,5rorate at the same rate. However, object A acceleratek 5 x2cv)*qowqi+rn ,os 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 relerg;0dk;c,v en-m u,un ocmv44ased from rest and falls in the absence of friction, which of the following is true conceg;c mu,nd-4vu4cm en;0ko, rvrning its motion?

  When an object is released from rest and falhen8. 40s :ym9mwe 6dfo/vnwzls in the absence of friction, which of the following is true cw s9 df zn w8h.:meo0/46eyvmnoncerning its motion?

  Suppose a ball is thrown straight up. Make a statement about the velocit5bx-rzk t a:qp 1wu+n4y and the 4-q5 :buw1zap nt+ kxracceleration when the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its accelr/ntzuq p cn009be-r ;njm59deration just before it reaches itsr0t 9-j ;pz/cn0 5d9rmnuqeb n highest point?

  Suppose a ball is thrown straj *1k8gsvu r u)ltx23rk7.chtight up, reaches a maximum height, then falls to its initial height. kl3vuj shkt)r. 1ux*grct7 28Make 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, then f8wvn g2qyw ;h7alls to its initial height. Make a statement about the dir q8wg; hw7yv2nection of the velocity and acceleration as the ball is coming down.

  Suppose a ball is thrown downward in the absencesivffkzd2*o ukq.67nn f:t. ) of air resistance. Make a statement concerning its qd)f 6* n2fvf 7.okk .uzsitn:acceleration.

  Suppose a skydiver jumps from a high-flying plane. What is her acceyo.aarm4s9 huf:d .o)leration when she she reaches terminal v:rm as o9ahf.)d4yuo .elocity?

  A ball is thrown vertically upward with a speed v. An identical second ball is2 :k3d5s9xwrqrtwrfm7:oh e - 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 does the second ball go thr-:ekds rqx73r2:5fow m9 htwan the first ball?)

  Ball A is dropped from the top of a p cqzxx/2cwx) r4ry.8building. One second later, ball B is droppe)r2px xz48 q.cyc/rwxd from the same building. As time progresses, the distance between them

  Ball A is dropped from the top of a building. v02hakob;fx,z 8ly 3i One second later, ball B is dropped from the 0iyh f8 k,3lova2;bzx same building. As time progresses, the difference in their speeds

  Two objects are throvkh.vtf: 9x4d y9:pk-alspnt 98: telwn from the top of a tall building. One is thrown up, and the other is thrown down, both with the samld:4ap9h l-ft s.:8 pk9t9kentx v:vye initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a buildin+af,fzmhj(f.(0lf p rg. A second brick is thrown straight down from the same buildinjlpfm0 f(r.(+, fafzhg. 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 +8 gqmh)r:ml x.x axis. The position versus :r)l x8qhmm.gtime graph of this object is

  An object is moving with constant non-zero acceleration in the +x axis. ic2jag/+ *vneThe position v2i+avgce*nj/ ersus time graph of this object is

  An object is moving with constant non-zero velocity in the +x axis. Thotld )r kaxkzfh p)m9j4r77s/4kte 7 +e velocity versus tidp7t+j4 xe tok7 )rar)f hklzs/ k47m9me graph of this object is

  An object is moving with constant non-zero accelerhx0nk s; p.ru4ation in the +x axis. The velocip4ns0r hx; uk.ty versus time graph of this object is

  The slope of a positio-s 0w2miwyt a10nzam (rq-z v.n versus time graph gives

  The slope of a velocity versus kqwb9ua0( cd-h kp1 3x3v-pgjtime graph gives

  The area under a curve in an acceleration versus time graph givesjmjsb6blx2hg;7 *s k7

  The area under a curve in a velocity versus time graph givfbu l4bm f jk0g5+.z+;lahboh9 :0japes

  If the position versus time graph of an object is n8gp qchbg8 * nva/03 wgs)a.ia horizontal line, the object ic8b 3 0a)g.ghn a8igw/* qvspns

  If the position versus time graph of anbzxzb1fq,xtql 17 43n object is a vertical line, the object isn qtl fqz3x1,7xb4b1z

  If the velocity versus time graph of an ob2 u1tu5;m0cdmuv2zcci *s 3 boject is a horizontal line, the object is3mc*btiduoz 1u;u2m5vscc0 2

  If the velocity versus tic8- h.fw7gms 3aimc 9cme graph of an object is a straight line making an angle of 30 degrees with the tsm 3h8gmf.- a7ic9c wcime axis, the object is

  An object moves 15.0 m mb/;w9vt0j.tu yr,+zs1 eo uenorth and then 11.0 m south. Find both the distance traveled and the magnitude of 1os rvmwty9tu b+ 0ej eu.z/;,the displacement vector.

  A boat can move at 30 km/h in swd 8.gscm 2+srtill water. How long will it take to move 12 km upstream ic 2rsdmgsw8 +.n a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 +1skoqxd26ti at +wr9mi = 1609 m)

  What must be your average speed in order to travel 350 km in 5pn(l)d 78rorss-. kup.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours and 57 min. *(og vbqa; d,v What is the avera*vvadg b q,;o(ge speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to tra.l tb qfnxa)1-vel 400 km?

  A ly (light year) is the distaniov/b,.j1 qo6wph6epce 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 1.pqp j66 i ove,bohw/= 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road and you look t g il5eo)lp*x6o the side for 4.0 s, how far do you travel during this inattentive xe)loi5 gp*l6period?

  If you run a complete loop around an . mgjrjtl* /,ho, s4y(eg: xhloutdoor track (400 m), in 100 s, your averag jl/4esj,gt xo,l .h(ry:gm*he velocity is

  A polar bear starts at the North Pole. It travels 1.0 km south, i7x w* xu:5nc 8k/obxkthen 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 averagew*:xk57x/ kxb coi8un speed?

  A polar bear starts at the North k4urgojueze h9q;t 7r)prn2g*6) n:wPole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to rz 6k2p 4u*rehrutogg );nq j:)7wn re9eturn 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 miles. It thenyz7f/ev,)-i88 co og z ltw(hm starts to snow and you sthlfmyoie gov)w7(8z /, 8z- clow 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 80uc 3dh.7nn0s t km/h and 160 km at 100 km/h. What is the average speed of the motorist for this t d.cn3hu7s0nt rip?

  A motorist travels for 3.0 h at 80 9 utcd51izp/ul7t4 kg2lp8tx(2ad vpkm/h and 2.0 h at 100 km/h. What is her average speed for thep2/9aicz 87pdutkp( l1gvt5 lxd2 t 4u trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/h nor70e s7c +p gt,2ychdvrth for 750 0 c rcygvt+s7,27pedh miles. What is the average speed for the trip?

  In a 400-m relay race the ancho-3ij, gw2dqasrman (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 r wsdq-j3a2 ,igace, in order that the team A runner not lose the race?

  A car decelerates uniformly and comes to a sjxds ,0qt 8zh:lby hgi.h4t;/ top after 10 s. The car's average velocity during deceleration was 50 km/h. :t,; h yx.4izqj/blt0hdg h8sWhat was the car's deceleration while slowing down?

  An airplane increases its speed from 100 m/s to mak 56t;fz7b3du i3b p160 m/s, at the average rate of updf b3;zmbt ki357 a6$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the rate ntis 4-snv/wa6v/ 1jfof $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest and accele9wc u 9aktk44xrates 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 wi9j oax2-*rfkp 3dq/p eth a constant acceleration a2* p9kxj/fdeo3 qr -pof $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velfimgya5lskgr(5jfe6 263; d x+/rmj locity of 5.0 m/s experiences a constant acceleration o5mfxr(52sl fg j3+kagld im; re6yj/6f $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right- ;i8gh pm+znx (+x direction) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. -+ pmxnzgi8;hWhat is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from a catapult on an aga51j)rk /rdli:se*ey6xz +rd3q 1tu ircraft carrier. It reaches a sperq51k/es:j + ) 6yzx13rugrea* tdl ided 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 catapult?

  A car starting from rest moves with constant ac+ps7r/ar fi cii)x8 .:fn6es sceleration 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 v (sn1w 87hd75 y4xnznxw3 kyya distance of 200 m. What is its average accelera h3dnn4xz 1wvk 7(wxynsy857 ytion?

  An object starts from rest and undk/:g n3 emi0lrbo9fy*ergoes uniform acceleration. During the first second ynk:*39ibo 0/mr fl egit travels 5.0 m. How far will it travel during the third second?

  An object is moving in w1u ge,.x 4z8kibxuc8a straight line with constant acceleration. Initially it is travexuw. z 4 cbgxe8u,i1k8ling at 16 m/s. Three seconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and accel8/ ,ipfp wzu.lerates 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 3u0vh+l 5q vt cr(sco(okea* sy;9+ez a dry road 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 ligh4odeg *b5cax-rn4dv* t turns green, a car that has been waiting at the intersection starts ah5ocndx-r* d *vaegb44ead 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 shasx ,l1;gp 2eurface of planet X where the acceleration due to gravity,sxha1e2 glp; is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a:sm r9+popksne: rzlhir2 :-2 speed of 12 m/s on the surface of planet X where the acceleration d:pmi2e2or+ r: rlhzssk p-9:nue 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 plq(1mrp )57pqbgy9qyi*rb x z51ege o3 anet X where the acceleration due to gravity ix epgr)*b15ipy5zeq 39qoq 7(gb1ymrs $2.5 \; m/s^2$. How long does it take for the object to return to where it is thrown?

  An object is thrown upward w5; j wy(6+m hntp(oyswith a speed of 14 m/s on the surface of planet X whery6hp( +wwj5 otnsmy;(e the acceleration due to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usu1zr:mw m3x ( s mcf/jrd+b5zi3ally greater than 0.10 s. If your friend holds a ruler between your fingers and releasem3b/5x r1s:mz+cj(rdim z3fws it without warning, how far can you 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 v*4/( i+h*a9/v uhui xavutc qr1pyk9l elocity after 3.00 s?il ca/9*qupv( + ri a1vtkxhh*94u/yu

  A bullet shot straight up returns to its starting point ine:)b. g m*8zb fs4hcpd 10 s. What is the initi.hz) s*pbdb mce: 4f8gal speed of the bullet?

  A ball is thrown straight up wi+ng,l ci/sy k0 0z7xrkth a speed of 36.0 m/s. How long does it take to return to its startingc +/i 0zkgyk7ns l0,xr point?

  A ball is thrown downward from j7dsa9v (a2buy8.lqx the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How high is the bui.9djlxqy( b8asu7 a2 vlding?

  A ball is thrown straight up6i(i rwzw+ :zd with a speed of 30 m/s. (only fill in numerical value in the blazw6+d(:wri zinks)
(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 straightg;kpzsadzr1:t i//zh(fj 5- memavmp18 k q7 * up into the air with a speed of 30.0 m/s. (only fill in numerich;/ tsmzz7vdjq-1mr k/aag pp*m5(:zf ei8k1 al 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 tb l*3b) ztlelem49rd lgk+ g35he velocity at t = 1.0 s?

  In Fig. 2-1, what is the veloc; t/ai9 cjwhvs+bno,5 ity at t = 2.5 s?

  In Fig. 2-1, what is the velocity ap)ryy7,5pego w56j tot t = 4.0 s?

  In Fig. 2-1, what is the tim(fp44 dd3ha .ixem1dv:1k velocity at t = 5.5 s?

  In Fig. 2-1, what is thet 88sj8 *zucspz h/j d+s2f; kc4fkeh9 average velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocitocipocrml;yz ** :: qg(x ij; 1 j/pt9xg/r8pyy from 0 to 6.0 s?

  In Fig. 2-2, what is th b1 yprn*)ghljw):f7e e acceleration at 1.0 s?

  In Fig. 2-2, what is the accelera/j-ndfp.ipd* tion at 3.0 s?

  In Fig. 2-2, what is the average acceleq79x3); +gqap ve7ukn q g( por+anp5eration from 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 8.0 scl: m 26ofu)efwpd( -s?

  In Fig. 2-2, what is the displacement from 0 t-5kaw qu*k wh)o 8.0 s?