Suppose that an object travels from one point in space to another. Make a c)jmfhwhyy/)x8; /fa ab:* ejjomparison between the displacement an/jjayybj ;8h a h/*fe)fm)x: wd the distance traveled.

  When is the average velocityzf0 uhq cc3 j +wdygq(ju)i8+: of an object equal to the instantaneous velocity?

  A new car manufacturer advertir3i: iteu1b7dses that their car can go "from zero to sixty in 8 s". This is a de7ibd 1r tue:i3scription of

  An object moving in the +x axis e 9thpa xqb 2c-3jh+x/xxperiences an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) beginsbs)0cuyjl /gq)475e0 lvs.o o(j2mf h d+bapi to slow down as it 0b7f hb qs)s5+2io(ju.l0avec)l p4 /mjgdy oapproaches a traffic light. Make a statement concerning its acceleration.

  Suppose that a car t:2tq*u + h.zdwe8/9jrkmtz mmraveling to the West (-x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its accelerationqkm.:m+ejmr2zdz ht8*w t9/u .

  Suppose that an object is moving with a constant z t-q0ws07pm plhe36 xvelocity. Make a statement concerning its accelerat6qtz s0 plhe07xm pw3-ion.

  If the velocity of an ob(c (90h mgdsvdject is zero, does it mean that the acceleration is zero? Support your answer with an examv(09 (hdgdmscple.

  Can an object's velocity change direction wh ub/l9,*njvh)vzt1lf dg8jodhl5r/5 en its acceleration is constant? Support your answer with anhlz5//bv r9,n vjtolgd8f1l) uj 5d *h example.

  Suppose that an object is moving with constant acceleration. Makecg* *ykn);vzl a statement concz ;vk*nl*yc)g erning its motion with respect to time.

  Can an object have increasing speed while its acceleration is decreasing? Sup tof x6:b)l-jnzurl 2;port your answer witz ufn)6l :2r-tob ;jlxh an example.

  Suppose a can, after an initeh :a d ada4gz2w1lk(5ial kick, moves up along a smooth hill of ice. Make a statemed(za:a2ae5lw h4kdg1 nt concerning its acceleration.

  Under what condition is average velocity equal to the average of thew5xcp4z4 93;h8trz cpogrm 1v object's initialx;rp4vc 458 czthpm rw 19zgo3 and final velocity?

  Objects A and B both start at rest. They both accelerate at the same rate. 4 lptmi f8f+p6)fl(t tHoweverpl8ttmf+ ft pilf)(46, object A 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 rerj/t-p0f g bk8st. They both 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 0/g8 -kfbt rjpthat of object B?

  When an object is released from rest and)fm9ujel77c3az i( rxm c/ktkvn .6+o falls in the absence of friction, which of the following is true concerning its melrk7zci9fx/+ 3.j7c toum ankv)(6 motion?

  When an object is released from rest and falls in the absence odg/2xu-wv9w4:r xo2mr s , oodf friction, which of the following is true co/xmg2odowrr4,v9s 2w-du o :xncerning its motion?

  Suppose a ball is thrown straight 0x ehbs f/man(98 f69h;hnxlqup. Make a statement about the velocity and thhshh9bn(f/68 ;x90 xe lfn maqe acceleration when the ball reaches the highest point.

  Suppose a ball is thrown straight up. What is its acceleration just b;qtw ;i9o,d8 ttff 5ya.qr2 nwefore it reaches its wfdq98,r;wyn2 ia t.5q;otf t highest point?

  Suppose a ball is throge z;se*be/b74c ;sgawn straight up, reaches a maximum height, then falls to its initial height. Make a statement ab z;*;ga/b4csgbse ee7 out the direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum hedou 2r3 hndtxjd q** / a/:4e1 xix,)eqqk3khright, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball is comingdq3 euxqxd/ix4nrkhk:2jdthe o, r)*3q1*/ a down.

  Suppose a ball is thrown downward in the absenp up*ibgsug ,4:q+p *tce of air resistance. Make a statement*ugup*qitg+p,4 bp: s concerning its acceleration.

  Suppose a skydiver jumps from a hig5fnp n +uz5sr-c2)t mtxh8g ; ix)sc6mh-flying plane. What is her acceleration when shhtmt55- )n2s6z8xcucf+sgp;xri m n )e she reaches terminal velocity?

  A ball is thrown vertically upward with a speed v. jvl(*qc2fy cmn7x6*k An identical second ball is 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 ballny7cxvljm2k6fq ( **c ? (How many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of a .o 6vonp9z; pww a3fv)building. One second later, ball B is dropped from the same building. As time progresses, the d ;3w6w9vo.vnpa) opfzistance between them

  Ball A is dropped from the top of a building. One aad+9ton25 go second later, ball B is dropped from59o+gdto 2an a the same building. As time progresses, the difference in their speeds

  Two objects are thrown fa6zbb.2hr. ;r afhqw9 rom the top of a tall building. One is thrown up, and the other is thrown down, both with the same initial speed. What are their s bw .hza.;ab2rfq6h9rpeeds when they hit the street?

  A brick is dropped from the top u:egh1tl *yu 9a,f*4a11frmvqjss c1of a building. A second brick is thrown straight down from the same building. They are released at the same tim l s11jufa:sgc14fmqu,*h 1tv ary9e*e. Neglect air resistance. Compare the accelerations of the two bricks.

  An object is moving with constant non-zero* g :op9upjj8:uo*ule velocity in the +x axis. The position versus time graph of**pu 9g8 o:u:jjpleou this object is

  An object is moving with const*y/ufgx uq9 4gant non-zero acceleration in the +x axis. The posit4*uq /fyu9g gxion versus time graph of this object is

  An object is moving wkj egh-ty8( rp1 utv18ith constant non-zero velocity in the +x axis. The velocity versus timu gjy rtve(1htp-k818e graph of this object is

  An object is moving with co sf +dsmvxwpa*,)9-g 5kw2 bhjnstant non-zero acceleration in the +x axis. The velocity versus time graph of thijvpa5s m2s+x*-,9h)bw d fwgks object is

  The slope of a positi anda83r.d6brvss-/ w on versus time graph gives

  The slope of a velocity versus time graph givebb*3ww egr3i oe))m+ ks

  The area under a curve in an acceleration versus time graph gdi4nm* aho z3v52ps8gbk 9p+ kk(ur h/ives

  The area under a curve in a velocity versus time graph giv93nda9vy v9dwa:ok7ju4y)s iks n4 f6es

  If the position versus time(f c*so/ 5nmgr graph of an object is a horizontal line, the object g5 /nsfocm(r *is

  If the position versus time graph of an object is1;1shfxx 6sllco4vl2 a vertical line, the object ishxf21ll6s c ;o vl1sx4

  If the velocity versus time graph of an object is a horiz ,-ms2ei n;9ilp2pmqzontal line, the object i p;em-,ms ilin9p2qz2 s

  If the velocity versus time graph of an objec mxq-oar;3u+ st is a straight line making an angle of 30 degrees with the txra3m- +s u;oqime axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both the distance if bt6nl ;g/(jtraveled and the magnitude of the dj gnit/(6bfl ;isplacement vector.

  A boat can move at 30 km/h in still water. How l um/qbz6y,v/ *xhyet8ong will it take to move 12 km upstream in a river flowing 6.0 km/hmh,8x*/6/v ybuqetyz ?

  55 mi/h is how many m/s? (1 mi+kx507 5s52mo2vi u,iifj gyv-wyj*vid(crw = 1609 m)

  What must be your average sp5v44vi ux la4oar ),odeed in order to travel 350 km in 5.15 h?

  A runner ran the marathon (approximately 42.0 km) in 2 hours and 57 min. Whawye afwm +l ;i-n89y2ot is the avery28+ wan oilem9 wyf-;age speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to travei8n3cmr6v o m*aq 2b7heq s20hl 400 km?

  A ly (light year) is the distance that light travels in onev7zdqbm 6q(b 1 year. The speed of zdb6b 7(vmqq1light is 3.00 x 108 m/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72m o2.3rgiyh 0 vtc6*up km/h along a straight road and you look to the side for 4.0 s, how f .ypo uiv0*m6g2chr 3tar do you travel during this inattentive period?

  If you run a complete loop around an outdoor track (400 m), std v8)k9me 4ufdyn17 gbfz6) in 100 s, your averag gzb8)nu)mdft61vdy74fke9 se velocity is

  A polar bear starts at the Norew8i6mf:u1 ump9(pi wy) 2sbz th 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 trz:w yuuwe68)ppmi(mfs1 2 i9 bip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It+yv3wa2y*ghiqq.b a-wz rp8 / 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. b3ari h2*vwy w 8pqy-+qa/zg.What was the bear's average velocity?

  You are driving home on a lf) njh/py (i3wabnb1 znx7k/d-h -o3 weekend from school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is your hometown from sch1/-dxnl)-on /pb3jyfh73b (anz i kwhool?

  A motorist travels 160qc/v bsub6+ h8 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the motorisu+b68h/q vs bct for this trip?

  A motorist travels for 3.0 h at 80 km/h 3)kj4wfxpv y( and 2.0 h at 100 km/h. What is her average speed for the 4v(px wj3)ykftrip?

  An airplane travels at 300 mi/h south for 2.00 h and then a u-.k-+d,vohn zj9cmlt 250 mi/h north for 750 miles. What is + oun. dl- jcmh9k-,zvthe average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the flpexm d+kixzqfia 6s434 u(4(*xy g9last 100 m) for team A can run 100 m in 9.8 s. His rival, the anchorman for team B, can cover ilqkg4d z*+ 3efx9f a4x6yui4x(sm( p 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 race?

  A car decelerates uniformly and comes to a stop after 10 s. .ea25wgo2l w2uutmu,The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowin ueu,lawo22g ut m.w25g down?

  An airplane increases its speed from 100 m:vdm +0c*3f /bmwl qi r4at(oy/s to 160 m/s, at the average rate of (*qw /mrm+yld03 4oibf ac: vt$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at the raxjw jw;*+xm )(fd7s(5v2 dgvgyt q r:ate 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 k ;(ooac:;pm im s14y8p(zitcaccelerates 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 ilt ygugxc0c 36m9;)w3a4)z bj1lpru with a constant acceleration ouui3g3lcrw)zg ayt1;c 6m l9) b4p0xjf $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 5.0 m/a9natoet.+ dupz 6 zx:.+a hh2s experiences a constant acceleration of :nz.+6 huaz+ xa edh9ptoa .2t$2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to the right (+x dirhw lqt9b3r) .dtny.8ptc q62lection) with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10.0 cm. Wh d9. t).rlc l2hq8ttqn bywp63at is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launched from ayn- 6nhn3 5,poocv tb7 catapult on an aircraft carrier. It reaches a speed of 42 m/snvp5nnch6o b, -yo73t 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 acc4mn jv5jmpw:tj1t5l 8* nl/ii eleration 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 avera) nm 75:s3xcvn ti8nxf95; odearu(ty ge acce 8xcv x )nmn:ursto7 d953 fta5e;yn(ileration?

  An object starts from rest and undergoes uniform acceleraic v6gx0z30ti tion. During the first second it travex0g3c i0zi 6vtls 5.0 m. How far will it travel during the third second?

  An object is moving in a straight line with constant acceleration. Initial0nnxmsoev dz* ;u25m6b9(i vt,+ usmk+vh 5rzly it is traveling at 16 m/s. Th vet5 dn6 z*+ks+mm b 9vo,ivmunhuxr; sz2(05ree seconds later it is traveling at 10 m/s. How far does it move during this time?

  A car starts from rest and accelerates uniformly pdz,k8)nlk knfe j*fv5: h(x2at $3.0 \; m/s^2$. 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 aj4 -:nt/,a 9fqei ea9dmk x5vp 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 light turns green, a car that has been waiting at t * xky(4:3n;opyjaegdhe intersection starts ahead with a constant acceleration ofjx*;p3:g4 (e kny dyao $2.00 \; m/s^2$. 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 plan(+gl8y 6b5h 7d g,f zdpu7cz;lzwup1jet X where the acceleration due;u(18f 7zu5,lpdpwzg7g d lzjyc+ 6h b to gravity is $1.5 \; m/s^2$. What is the maximum height reached by the object?

  An object is thrown upward with a speed of 12 m/s on the surface of p)a 2hiymvj) 9i3i8e,my ih b/e*ow*n xlanet X where the accelerationh3,w i*eiy9/jm aix 8oi2*bh) )ynevm 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/hf*59 suvrp0vnh ta0 of 15 m/s on the surface of planet X where the accelhs*0/ hu059ravpn v fteration 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 upward0(xlhm9 ikvl; with a speed of 14 m/s on the surface of planet X where the 9;vi mlxh0lk( 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 usually greater than 0.10 s.txxv.5 f mdr-. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the ruler to.rfxtv.md -x5 fall before you catch it?

  A ball is thrown upward at a17w,af5com92b hdsvd velocity of 19.6 m/s. What is its velocity after 3.00 s? csdh,ab mfvd1o 7w529

  A bullet shot straight up returns to its starting point in 10 s. What is the i5t85ypixswbw4,. f hnnitial speed of the bullet? b,yp.fwtwhs nix5458

  A ball is thrown straight upfk a4)zx znpokl)d;*lf*g*)h with a speed of 36.0 m/s. How long does it take to return to its starting p)a *g**dkx4lfp ;kfn h ozl))zoint?

  A ball is thrown downwar6e.m)4pujk qcd from the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How6pj4e u)km.qc high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (onlyn(la: p/uyha:7 2etbk fill in numerical valk/(y:a:2tlba nphue7 ue in 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 straight up into the air with a speed of 30.0 m/s. (only fillrk n:mna r;b8p,vix8/ in numerical value in rav8mb: r;x8nk ,/p nithe 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 velocit0 i,+j m z,rs7as;kdhpy at t = 1.0 s?

  In Fig. 2-1, what is the velocity at t = +lf4( nt p vsifjy3f,z;sr1b 12.5 s?

  In Fig. 2-1, what is the velocity at t = 4.vzo/+r573 wsrfx7z xa /9xgwb0 s?

  In Fig. 2-1, what is the velocity at t = 5.5 swjqz/ t t5.05u1psxks?

  In Fig. 2-1, what is the avem xy8q*bmp4+m:x0u tfrage velocity from 0 to 4.0 s?

  In Fig. 2-1, what is the average velocity from 0 to nhe9swgv, a( 5f)0z uj6.0 s?

  In Fig. 2-2, what is thdn+le/wfxc0, 97x pise acceleration at 1.0 s?

  In Fig. 2-2, what is the accelera um-9lv f/phc5tion at 3.0 s?

  In Fig. 2-2, what is the average acceleration from 0 to 5.0h1b7bqv e. 4 n )t9.*(fbvugcetyqru - s?

  In Fig. 2-2, what is the average acceleration from 0 to h*7xzeyz 4d u5r58 dnaqdx21j8.0 s?

  In Fig. 2-2, what is the d,zr ss- a1fxi/isplacement from 0 to 8.0 s?