Suppose that an object travels from one point in space to another. Make gt9lcwr :8bp: apr0pnj;g4 :ea comparison between the displacement and the distalbra08t4::pgn pgp: ;jcrw9e nce traveled.

  When is the average velocit l7 0w,*fbapkzy of an object equal to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "from zero to sixty in 22y-x k:mk cio8 s". This is a desc ky2 im2xko:-cription of

  An object moving in the +x axis experiences anmq dx5(sn3 y ;vsuxe,-7d6,y*kpcy kz acceleration of $2.0m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begigzuf+9l 41)h mt; hcj8ecib6kns to slow down as it approaches a traffzl91i)c uhh b g86+teck4jmf ;ic light. Make a statement concerning its acceleration.

  Suppose that a car traveling to the West (-x d-9;sztjgm9 p,3 asa b/zuz iq)irection) begins to slow down as it approas9zj z gtz/bm- ;,qs)p9 ua3iaches a traffic light. Make a statement concerning its acceleration.

  Suppose that an object is moving with a constant velocity. Make a statement cvize.ff ob; 9dom-vxo 7)) w*loncerning its acce ow*.be7mf)vl vfd -;9)o ixozleration.

  If the velocity of an object is zero, does it moe* pm2la w+in,*o6sa ean that the acceleration is zero? Support l*aiop, *+ sae onw62myour answer with an example.

  Can an object's velocity cm8muxv0q/g) fp w 4t.dhange direction when its acceleration is constant? Support your u4 m0qfd) xvmp8/wg.tanswer with an example.

  Suppose that an object is moving with constant accelevr 55tx(du l6r.rm44ka)yuqvration. Make a statement concerning its motion with respect 5kd ra(vr4qlu y.vt6 4r5 )muxto time.

  Can an object have increasing speed while its acceleration is decreasing? +i8 ow5x)*dk7hoyx 8wfyfm7vt md)+h Support your answer with an examp*+tx ff7wx87dhw)i )h5omdvyk8+y om le.

  Suppose a can, after an initial kick, 8yy jgs,5 s8ffah75-z7 dzwp nmoves up along a smooth hill of ice. Make a statement concery h75w z8anpsd ygf8,57jz-sfning its acceleration.

  Under what condition is average velocity e gb: awrfck1y49ql+(uqual to the average of the object's initial gyw :q1rula 9cfk4+b( and final velocity?

  Objects A and B both tiq58nip) c*(p 8xhhvstart at rest. They both accelerate at the same rate. However, object A accelerates for twice the time a*p) 5 qthi8cnxhp(8ivs object B. What is the final speed of object A compared to that of object B?

  Objects A and B both start from rest. Th5kbs m.6e/jjfey both accelerate at the same rate. However, object A acjbes6 mf.kj 5/celerates 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 and falls in the absence of(szhhm .x+1tj friction, which of the following1m +s hhzx(jt. is true concerning its motion?

  When an object is released from rest and falls in the absenio -, *xr)qdg9qvx(0tx7g fquce of friction, which of the following is truef0,qi(-xtdg79* uo qqr vxg )x concerning its motion?

  Suppose a ball is thrown bnbi3/bij o )1;,dimgf6-d fsstraight up. Make a statement about the velocity and the acceleration when the ball reaches the highest poin6jsm)ii3,fb;fbg/b do- i 1d nt.

  Suppose a ball is thrown straight up. What is it5 x;ejuv2xn : gd1thb.s acceleration just before it reaches its ub2nd;x1 x:.e v tgjh5highest point?

  Suppose a ball is thrown straight up, 7 9hzdx /8ykmcreaches a maximum height, then falls to its7h8cz/ m xdky9 initial height. Make 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 fall cc+bsp;.uc2hss 5tgs /-6j bds to its initial height. Make a statement about the direction of the velocity and ac/ss2d. -tugcpb;s cc6sj+b5hceleration as the ball is coming down.

  Suppose a ball is thrown downtf)la1bw76 kj1*k: +wmgxg bmward in the absence of air resistance. Make a statement conceg7:jgkb6xa fw +1bk1mt)l mw* rning its acceleration.

  Suppose a skydiver ju )d9ldc8y n mu89kzfi+of. d;vmps from a high-flying plane. What is her acceleration when she she reache 8)ov dc.fd8yd ki;fl+u99 mzns terminal velocity?

  A ball is thrown vertically upward with a speed v. An identical second ball ist3pv7x y 9-: ee(wjsja 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 ba w3pyvj 9j(e t7x-sea:ll? (How many times higher does the second ball go than the first ball?)

  Ball A is dropped from the top of. v(1zxspib dvw i-h07 a building. One second later, ball B is dropped from the same building. As time progresses, the distance betwee0xsw p(iiv- .7dbhzv1 n them

  Ball A is dropped from the top of a building. One second later*s2-qgtwt u ;b, ball B is dropped from the same building. As time pr;-*gswubttq 2 ogresses, the difference in their speeds

  Two objects are thrown from the top of a talj-ily0 :4rdader s8zg*dxk )t39al3e l building. One is thrown up, and the other is thrown downd a43 gea0)tyxe 8s3jdr*:kld -i9zlr, both with the same initial speed. What are their speeds when they hit the street?

  A brick is dropped from the top of a building. A second brikfl-s7wo1 tahe ba80vo 8:)yyk 6 w.fhck is thrown straight down from the sa 8yoy tef1w8h7okv6a-bw.skh:l f0a )me building. 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 velocit,vw (a)oj2 ntg/rkpc.y in the +x axis. The position vercvg r, kwjt.)pa/n(2 osus time graph of this object is

  An object is moving with constant non-zero acceleration in the +:u *r, g46fypqc+w vdhx axis. The position versus cw: 4fury6p+d, v* qhgtime graph of this object is

  An object is moving with constant non-0om ii3 uu freil5)i0 05s1kkezero velocity in the +x axis. The velocity versus time grkms )k ri03leioi1e0 0i55uf uaph of this object is

  An object is moving with constant non-zero acceleruu)8,fmxj ako.n 2/nsation in the +x axis. The velocity versus time graph of this ob2) ,nj.fouu8 kamx/nsject is

  The slope of a position c11f 1sk )s-mk/ fai2dklhfm8 versus time graph gives

  The slope of a velocity versus sltoneuwi 4lq;z*0 8m7: pw s1time graph gives

  The area under a curve in an acceleratm; sa)8*sgta*qel,e r9 pdr* yion versus time graph gives

  The area under a curve in a velocity rcnqi 1g4d-q)versus time graph gives

  If the position versus time graph of an object is a ho9 o8 m8ytqw:x- kr8cynkzvt- ,rizontal line, the object 8- ykk cot,:-9mqrwy8vtx8n zis

  If the position versus ja:1pr+1f/:ey/g4 x ddzqb iztime graph of an object is a vertical line, the object isb:jrq/i g p+fy z1d/ae1d4x:z

  If the velocity versus time graph of an object is a horizontal line, th0z:7lf ggdx+ 0voy07dnvr-lu e object ixuv+ 7d0nylr00 zlgg-fo v d7:s

  If the velocity versu4 tn;h xq;t )x5i)iz m6f.xzl; jyi.ybsm5s7 ps time graph of an object is a straight line making an angle of 30 degrees with the ti5 z5ylntx);ti fpsz x;ym.js )qmih b;6 x74.ime axis, the object is

  An object moves 15.0 m north and wf(cso,j 1w1jewko9/then 11.0 m south. Find both the distance traveled and the magnitude ofw, ow/we (9js1o1jckf the displacement vector.

  A boat can move at 30 km/h in still water. How long will it take to move 12 km +b8j:xvi2iofvu v y90 upst0v9:fv+ ibo yix vj2u8ream in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi = 1609/;4k onl qaq 0v7 vc:t6eamnd9 m)

  What must be your average ado3:2u) khusuz 13ugspeed in order to travel 350 km in 5.15 h?

  A runner ran the marawjf0kg* c ,yk7thon (approximately 42.0 km) in 2 hours and 57 min. What is the average speed of the rcgfjk70 ,w* ykunner in m/s?

  A car travels 90 km/h. How loi5i3 7qu f:-wvhd jko9ng does it take for it to travel 400 km?

  A ly (light year) is the distance that light trav j-q,lr to ahafk .u51ev0s.1bels in one year. The speed of light iso5eks .au rlav, -fq10b.h1tj $3.00\times {10}^{8}m/s$. How many miles are there in a light year? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight road anp,hd8 za trv)-td5 pf)zf7-hrd you look to the side for 4.0 s, h ad7pdhz))8vt,frz-th- prf5 ow far do you travel during this inattentive period?

  If you run a complete loop around an outdoor track (400 m), pn fl)7n6cdt2in 100 s, your averagef27tpdlc6nn ) velocity is

  A polar bear starts at the North Pole. It travelslr6s1wweuex r k;(e;) 1.0 km south, then 1.0 km east, then 1.0 km )ke(xww ;r e; res61lunorth, then 1.0 km west to return to its starting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the Ngiui xw3/f(5*lvzf .x orth 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 startingvfw(ig* .lifz35xu /x 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 f7hl5 ,alvj twi:1t;cn or 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 t,1 7lia;ntwc5lh :jv from school?

  A motorist travels 160 km at 80 e/j cc5 dy3rn4km/h and 160 km at 100 km/h. What is the average speed of the motorist for thirc35/yd4 jec ns trip?

  A motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. g9w9t vih33jhWhat is her average speed for the trip?jwtv3 h9g3i9 h

  An airplane travels at 300 mi/h south for 2hx1ks+fgm)n8b:c*j* 2qwtxv .00 h and then at 250 mi/h north for 750 miles. What is the average speed for th8snk:wvgfthcjx1x*q m*+ )b2e trip?

  In a 400-m relay race kccmmiooe/q 8y ,,m fv 1+,ej+the anchorman (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 o8, m,q ,emive++j cfm1kc/yocover 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 12 s. The car's avera+. o5cs+x4osxbmf9aud d o,o6ir kb.+ge velocity during deceleration was 40 km/h. W.bs sx od o.uk4or56i+md+co9x+fb,ahat was the car's deceleration while slowing down?

  An airplane increases its speed from 100 7wctd+f qr3cml7lx10 m/s to 160 m/s, at the average rate of 7 0cwfx +m3qdtc71rl l$15m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accel6 8b7 jr2yaup; jmkg5berates at the rate of $2.0m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

  A cart starts from rest and accelerk11wjp 0ot7*xt y;bzp ates at $4.0m/s^2$ for 5.0 s, then maintain that velocity for 10 s, and then decelerates at the rate of $2.0m/s^2$ 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 4ggw4ngc9 ur0axm -k;with a constant acceleration ofk0x9 gg ;4ma4c gn-rwu $2.0m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 7.2 m/s ex1w syj n+fe1r,(k m5fbperiences a constant acceleration o r5 e11b( +kmywffn,jsf $4.1m/s^2$. What is the cart's displacement during the first 5.6 s of its motion?

  A bullet moving horizontally to the right (+x direction) with a zct a*y8u7,x4tgbr:xk 7 0xsxspeed of 542 m/s strikes a sandbag and penetrates a distance x b4t ag:xxyxk,r0*t7c7 uzs 8of 71.59 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is launchedzm t+pz -6+reireowc mf765-c 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 thewm-r6-z7m op6f ce+rct5 ezi + acceleration is constant, what is the length of the catapult?

  A car starting from rest moved+ccb0ngp4q;j,:c* f *ga liwlz//dx s with constant acceleration of $2.0m/s^2$ for 10 s, then travels with constant speed for another 10 s, and then finally slows to a stop with constant acceleration of
-$2.0m/s^2$. How far does it travel?

  A car goes from 40 m/s to 80 m/s in a distance of kg6rm kbc;x1n 16uk a*200 m. What is its average acr1k 1*u6a cmnk b6kx;gceleration?

  An object starts from rest and undergoes uniform acceleration. During the fie4q .ht0 qo1)syg,c abrst second it tr1ht0 b 4.ge)a,yscoqqavels 1.3 m. How far will it travel during the third second?

  An object is moving in a se1):u 9 xvlqty p(uqn*traight 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 during this t1)u *nuvq:xql9 (yp teime?

  A car starts from resfny1q3e (;z qht and accelerates uniformly at $3.0m/s^2$. A second car starts from rest 6.0 s later at the same point and accelerates uniformly at $5.0m/s^2$. How long does it take the second car to overtake the first car?

  A car with good tires on a dry road can dece 6lhr/y )ymo3slerate at about $5.0m/s^2$ when braking. Suppose a car is initially traveling at 55 mi/h.
(a.) How much time does it take the car to stop?    $s$ (only input numerical values)
(b.) What is the stopping distance?    $m$ ((only input numerical values)

  At the instant a traffic light turns green, a ,r3 jyobbwn vy+d4 nb(,xh*p, car that has been waiting at the intersection starts ahead with a constant accelern3bb,dryvwh(, 4b * oxjny,+pation of $2.00m/s^2$. 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.    $s$ (only fill in numerical values)
(b.) Calculate the distance beyond the traffic light that the car will pass the truck.    $m$ (only fill in numerical values)
(c.) Determine the speed of the car when it passes the truck.    $m/s$ (only fill in numerical values)

  An object is thrown upward with a speed of 12 m/s 3gcdhosr eb;b7g t+9 9on the surface of planet X where the accel379 bbthc 9d;r+ogeg seration due to gravity is $1.5m/s^2$. 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 planet X w8 : d5ax+nhptcher+a8cx5tnph: d e the acceleration due to gravity is $1.5m/s^2$. How long does it take for the object to reach the maximum height?

  An object is thrown upward with a kc geoyt1 2 f;-l)1u/nay5pq jspeed of 15 m/s on the surface of planet X where the acceleratij1g/f1; ayc5 )kep 2yqnto u-lon due to gravity is $2.5m/s^2$. How long does it take for the object to return to where it is thrown?

  An object is thrown upward with a sv: fu16n lu2 z5/riuxcpeed of 14 m/s on the surface of planet X where the accelerationc/vu r i6l 5u:1z2uxfn due to gravity is $3.5m/s^2$. What is the speed of the object after 8.0 s?

  Human reaction time is usually greater than 0.10 s. If your friend hiy:)4j4 j.2qmt 8m 9dkwlw dtbolds a ruler between your fingers and releases it without warning, how far can yd)82m4jt yw:i jm.9dtb q4kwlou 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 afaazy d2v:/ih6 )jkius: xm5j1 ter 3.a)6iu5dk:j m:vizsyh/2 xj1a00 s?

  A bullet shot straight up returns to its startinv(vl) 7myfrnl:(*khb g point in 11 s. What is the initial:7fvl h(myvkn(* l)rb speed of the bullet?

  A ball is thrown straight up with a speed of 36.0 m(-5 vevfbzkd g78: yhf/s. How long does it take to return to its starhvfe dfygb5z8-kv(:7 ting point?

  A ball is thrown downward from the top of a building wkyu)m9ok /vrm8fi+n +ith an initial speed of 10 m/s. It strikes the ground after 7.6 s. Howvf9+m o/nk myuk)+i8r high is the building?

  A ball is thrown straight up with a speed of 30 m/s. (only fill in numerical ub ljlj-w3j1 :value in the b-uwljljb :j1 3lanks)
(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 aylzko7*k o yw/8i;hp -ir with a speed of 44.1 m/s. (use $g=10m/s^2$, only fill in numerical value in the blank)
(a.) Calculate the time required for the ball to rise to its maximum height.  (数值)  $s$
(b.) Calculate the time for the ball to fall back to the height at which it was hit.  (数值)  $s$
(c.) Calculate the maximum height reached by the ball.  (数值)  $m$
(d.) Calculate the ball's speed 1 seconds later.  (数值)  $m/s$
(e.) Determine the time at which the ball pass a point 11 m above the point of contact between the bat and ball for the first time.  (数值)  $s$
(f.) Determine the time at which the ball pass a point 11.0 m above the point of contact a second time.  (数值)  $s$

  In Fig. below, what is the velogjzk *ep(fg 77gv2ia, city at t = 1.0 s?

  In Fig. below, what is the velocity at t = 2x)bg*w,d -7qos ,deeo *gafa9 .5 s?

  In Fig. below, what is the velocity at t = 4vm:jn) u;j 1sa.0 s?

  In Fig. below, what is the velocity o pxsc6:(,oi aat t = 5.5 s?

  In Fig. below, what is the average velocitw r5:-kdkasu-y from 0 to 4.0 s?

  In Fig. below, what is the average velocitb7e)ft1 s/wry bo .9liy from 0 to 6.0 s?

  In Fig. below, what is the accele5vi(k3e ,*bbeaftk 8lration at 1.0 s?

  In Fig. below, what is the acceleration at ab2ru dgm.fl74 3+cd m3.0 s?

  In Fig. below, what is the z kgy2,fi)uh: average acceleration from 0 to 5.0 s?

  In Fig. below, what is the idj72d*e)ql)h q c9e u6n d9z4jxs)t uaverage acceleration from 0 to 8.0 s?

  In Fig. below, what is the displacemenqh4z +64ihzf 1r*vn+ b )yyuvwt from 0 to 8.0 s?

Does a car speedometer manh8(omxy lj :hjxfja40 )n u/.dag81 easure speed, velocity? {speed|velocity}

  An object can have a varying speed if its velocity is constant./ne a4iph+kf 3

  The velocity of an object can be negative when its acceleration is pefga uh*yt2,8nr7vv.+ih 1yd(q :/sskll(t yositive.

  If one object has a greater speed than a e5 e1dt 37ri gty9vx7jj3/qke jnzh;;second object, the first must have a greater acc3g;x e3jh j75/eryqi n9k1zv djett 7;eleration.

  Two cars emerge side by side from a tunnel. Car A is traveling with a speed of*7vv* tt/3visn3c v8a 2jdljn $60km/h$ and has an acceleration of $40km/h/min$ Car B has a speed of $40km/h$ and has an acceleration of $60km/h/min$ . Can A will pass car B at the instant they come out of the tunnel.