Suppose that an obje t*my w9.cthvfs 9 xqs +:-f3z-qvt)jvct travels from one point in space to another. Make a comparyq+-z)f.xt c s* :htjv3vqw-9m9vs ftison between the displacement and the distance traveled.

  When is the average velo1 +2pbmts. kyacity of an object equal to the instantaneous velocity?

  A new car manufacturer advertises that their car can go "fglxn8je23qqac0g 2 y8)dpi6t rom zero to sixty in 8 s". This n) ljqe t286gqi8d0pgxy23cais a description of

  An object moving in the +x axis experiencezv6jq7c6: z-nnpghn .s an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begi:e+ul kartlm f)9 kb2)ns to slow down as it approaches a traffic light. Make a statement coe k)+ :9bfr2aktm)lluncerning its acceleration.

  Suppose that a car traveling to rlgpngsdv 1w0ok)-t.w -k+g4uiv vk941 s4 cwthe West (-x direction) begins to slow down as it approaches a traffic light. Make a stat+4wu91ovp4wnv410gsd.gr -v ws k kk-li)t cg ement concerning its acceleration.

  Suppose that an object is mov 7.bykl7 lkoqwf, +o(:ib ;wseing with a constant velocity. Make a statement concernoewbol. ,7fwki:b+kqsly7 (;ing its acceleration.

  If the velocity of an object is zerf o6;ed8lg(g y yl8k5-nbn sj,o, does it mean that the acceleration is zero? Support your answnkg-o(8 ;jdfb68lynyge s,5l er with an example.

  Can an object's velocity change direction when its acceler z fx7dx)nps3(ation is constant? Support your answer with d7np zxsf(x)3an example.

  Suppose that an object is moving with constant acceleration. Make i( ov 46ec7sj7tk)et2fin )p ga statement concerning its motion wit6f(gej p7tn)s 7iot42)cikevh respect to time.

  Can an object have increasing speed while ivyj: f9 j ig 82d5388*wfvxj bzrao0vwts acceleration is decreasing? Support your answer with an exampledzxfj9jv0v o8y8w:jiab 3r w*v 5gf82.

  Suppose a can, after an initial k2rlwp* im7 :odt4t,*o /wira sick, moves up along a smooth hill of ice. Make a statement concerning its accelerao* lr/,2i rmd74*wsoaw ti :pttion.

  Under what condition is average velocity equal to the average of the *k*xg9t+pvwk object's initial apxk+ *kgw*tv9nd final velocity?

  Objects A and B both start at rest. They both accsb6t(; na0rqy ;q( gonelerate at the same rate. However, object A accelerates for twice the time as object B. W;gr(qtny;b s (oq60 nahat is the final speed of object A compared to that of object B?

  Objects A and B both start from rest. They bdq8,*q0fw82 mf*md8 vetr qvmoth accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the dtme w8m*,*q dvqmr8v 8d2fq0fistance traveled by object A compared to that of object B?

  When an object is released from .d2l: ud3 s tyvuxtk-0 i0l8ywrest and falls in the absence of friction, which of the following is true concerning l0v:l832 k0duw.yxi sd uy t-tits motion?

  When an object is released from rest and falls in the absen+ri ej4*09lvm;jwd 38w8in *cc58 q p pievzdqce of friction, which of the following is true conci8vd;w49ejjd*3zc m5 0 r+ iqvc*iqpwple8n8erning its motion?

  Suppose a ball is thtnrcm go 4bo -:+7,+ n,0c bzfhqmvvt4rown straight up. Make a statement about the velocity and the acceleration when thenbrnco4,zg h tq:m vv,bo7m -+4ctf0 + ball reaches the highest point.

  Suppose a ball is thrown straight upcs6g+*ttu-avob6wjc3v7s m+ i0k 3 s r. What is its acceleration just before it reaches its highest point?tr0 ckotj*vmsgi vu+wc s +3 7a66-3sb

  Suppose a ball is thrown straight up, reaches a maximqjr1,8u : jwsp*p-m paum height, then falls to its initial height. Make a statement about the*p 1swaj-m:p ruqjp,8 direction of the velocity and acceleration as the ball is going up.

  A ball is thrown straight up, reaches a maximum height, then prv8y4jnd:bipxw 7 m8 5olu52q-) cei falls to its initial cu2wjp) lv7yribm8n ix eqo5 :4d-p58height. Make a statement about the direction of the velocity and acceleration as the ball is coming down.

  Suppose a ball is th; 2zanhy* d-8p:vl k-5vg)d3p djqznsrown downward in the absence of air resistance. Make a statemzvd2)l-qza 5p hn3dy vpn ;*-jk :sg8dent concerning its acceleration.

  Suppose a skydiver jumps from a high-flying plane. Whj3us9p n4kmx(-t c w7iat is her acceleration when she she reaches (m -94wiu7sjx3tpnc kterminal velocity?

  A ball is thrown vertically upward with a speed v. An identicaqy0 d36* 7x1xssax4os rw.h q idpxr:.v/w -wml second ball is thrown upward with a speed 2v (twice as fast). What is the ratio of the maximumwxy7: qa wv0dm16r. q sx3pir4 -ohx*sw. s/xd 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 top p1gf5 p *-go; q0u9lb+sms pryof a building. One second later, ball B is dropped from the same building. As time progresses, the distance betwlq0yppo9 b m* s1-spg;uf gr+5een them

  Ball A is dropped from the top of a buidb*snl ib3 -2(imrur ,lding. One second later, ball B is dropped from n-* idl bbm(,u32r rsithe same building. As time progresses, the difference in their speeds

  Two objects are thrown from the top of a ta h3bhy kubp;71ll building. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they 1p3h;kh7byu bhit the street?

  A brick is dropped from the top of a building. A second brick is thtvtew/0+drt8jffi5 82+faq9+t jw jr rown straight down from the same building. They are releasedve wdra8 fq+fj+tjj9wf02+t5 i/t 8tr 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 +x axio5g4 ug1 (kqins. The position versus time graph of this object isig 1u( ogqk45n

  An object is moving with constansqzuu 0,3enz8t non-zero acceleration in the +x axis. The position versus timzsqnzeu, 8 30ue graph of this object is

  An object is moving with c; w, 62jyzza*a,; h ovna4zbctonstant non-zero velocity in the +x axis. The velocity versus time graph of this object j o tn4cwaz;z*zahv,a6by; 2,is

  An object is moving with constant non-zero acceleration in the +b9y:ht+ s p gu0avdb/+* lcps/x axis. The velocity versus time gh :0dg p+/v +lp*tb su/csyba9raph of this object is

  The slope of a positio ulgtvot)e;.xe (2uq. n versus time graph gives

  The slope of a velocity versus ticc12bfnbk:dx5,+f agme graph gives

  The area under a curve in an acceleration versus timeu /f se mcvq;,zl7a;n2 graph gives

  The area under a curve in /b5 i;: nyntf2:hqj/jzn6ar ua velocity versus time graph gives

  If the position versus ztc9* kerid5y4b,, h otime graph of an object is a horizontal line, the object ie,*9oi dz4y b,hk t5crs

  If the position versus time graph of an obu.xr,0ng/+euh ig zgf 9p5cx5g5 ic 9mject is a vertical line, the object isunic em05uhfr/.gx+,9ggc5x5 pgzi9

  If the velocity versus time graph of an object e*-*dzr/vqt8rmb ;f p is a horizontal line, the object i 8b/vpr *mzt-ed;rf *qs

  If the velocity versus time g sx92j o10zsje3ajq h3raph of an object is a straight line making an angle of 30 degrees wi2hj1 qzjsxoej s a3390th the time axis, the object is

  An object moves 15.0 m north and then 11.0 m south. Find both the dista 1pw ,g t:xd*itra+hs1nce traveled and the magnitude of the displacement vectwai 1*g:strhp+1, x tdor.

  A boat can move at 30 km4u)ki)pi+m sxi z 0al7/h in still water. How long will it take to move 12 km upstalx+0 mp7kiiu s)i 4z)ream in a river flowing 6.0 km/h?

  55 mi/h is how many m/s? (1 mi htm*8ds6/on p= 1609 m)

  What must be your average speed in order to travel 350 km 10 b2fpa yv1jpin 5.15 h?

  A runner ran the marathgqxdj)- /xss h4u8. k18cxwb ron (approximately 42.0 km) in 2 hours and 57 min. What is thejw b8qxrg/d) .- 8ckxssxh u14 average speed of the runner in m/s?

  A car travels 90 km/h. How long does it take for it to travy :-h(mv4 vjynpnx )mtc1+ )e yhib*9lel 400 km?

  A ly (light year) is the distance that light travels in one year. The speedghwuuac -60c d j,a)k/ of light is 3.00 x 108 m/s. How many miles ar/auwcu k,)j -dh g60cae there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 72 km/h along a straight roadcl+yc,y 233z jerh )fo and you look to the side for 4.0 s, how z33,olhe)2 cf yr c+jyfar do you travel during this inattentive period?

  If you run a complete loop around an outdoor track (400 m)6yxio 3eyq36(dfo9u b, in 100 s, your average 3yoy3i ( fueo6 96dqbxvelocity is

  A polar bear starts at2jy xo+j51q4r k /izyu the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west x/4yjioz+u ky1qj 2r 5to return to its starting point. This trip takes 45 min. What was the bear's average speed?

  A polar bear starts at the North Pole. It travel c7./mhujv,c ls 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 a,jcl cuhm/7.v verage velocity?

  You are driving home on a weekend from scho7a)2- jr1zq ptuikeyggi8 zg(ir439m ol 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 schizggygqi p7(rei2)18k4u m9ar zt-j3 ool?

  A motorist travels 160 km at 80 km/h and 160 kkfqtam0mdp(4y1 *)ql m at 100 km/h. What is the average speed of the mo 0 m)qatm lq1f(d*pyk4torist for this trip?

  A motorist travels for 393zvvw7v cud,* tks:b,qc t 1u.0 h at 80 km/h and 2.0 h at 100 km/h. What is her average speed forwq3but,7sv c*d9 k u1vtz:v c, the trip?

  An airplane travels af i,iu 6qr am5j 5si+h+;xges*t 300 mi/h south for 2.00 h and then at 250 mi/h north for 750 miles. What is tiq g5srij++ f,;euim*a x5h6she average speed for the trip?

  In a 400-m relay race the anchorman 3 mkwz cjbill- :40or/(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 tk0/wzr34j:- ml blcio he race?

  A car decelerates uniformly ani (n2anoz;,efu8oc(ed comes to a stop after 10 s. The car's average velocity during decelerationnaei 2of,uez(8c(n;o was 50 km/h. What was the car's deceleration while slowing down?

  An airplane increases its speed from 100 ecywu22f972v;kqe mk m/s to 160 m/s, at the average rate of ke9yfm ;uke2qc7v w22$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 kj3t,dy 0cgh5wm/h accelerates 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 r xw w/5ysjz;+cest 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 lem5 d+dxy(tou*5f n6speeds up with a constant acceleration of nfy+l m5dxe u5* t(do6$2.0 \; m/s^2$ 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 constan ; +.huipnshr(t acceleration o+(n.; ihpshur f $2.0 \; m/s^2$. What is the cart's displacement during the first 6.0 s of its motion?

  A bullet moving horizontally to tyiqmz(-:n* he he right (+x direction) with a speed of 500 m/s stri hnq:y mezi-*(kes a sandbag and penetrates a distance of 10.0 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is l kq;x* n/;jsa idrg*-d hd2q+iaunched 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 constandk+-x; gj/r** i2 qsqa;nihddt, what is the length of the catapult?

  A car starting from rest moves with constant ac1r )e xma(b;brfku3d; celeration 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 is0 xzleqw2ie2mg /rt+, its average accelqtx,0wrl e/mz e2 +2gieration?

  An object starts from rest and undergoes uniform accelera gu0 o6q9u8)xfqm;qhption. During the first second it travels 5.0 m. H)phqqum;0 q9uo 6fg8xow far will it travel during the third second?

  An object is moving in a straight line with constant accel r)l hre*k8 8vzn1be:e)f* jj0c1desxeration. Initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 m/s.cs)e81k*efe8 xr rn10z jvde :)*hlbj How far does it move during this time?

  A car starts from rest and accelerates l8)p)ysdr b0ayg3 2xpuniformly 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 ont ew +pkh3t.k/ 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 light turns green+,ktzxc-9qd gzzyxxi 7s+v*8s , ,i zs, a car that has been waiting at the ii-vz++, zx zq,7zs8tsxyickx gd*,9 sntersection 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 surfacox ca8k9k25(mc-z 64 antmcjr* pvcn2 e of planet X where2caj -p9xcvnc*kc 5o4n2 m 8 ztm(akr6 the acceleration due 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/ v y 3fm4j7ilp+pjnu mg*u91(bs on the surface of planet X where the acceleration due to gravity is (jjp749mgf1n 3uiblvm *+upy$1.5 \; m/s^2$. 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 surfa0b oy5d bi g-6qt:con4ce of planet X where theoic-5dqng b 4:o 0tyb6 acceleration 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 upwi;,lm+ otb f9/*zb,daxz+d c uard with a speed of 14 m/s on the surface of planet X where the accelerac,dx,ltif z m;a++b9udz/b * otion 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 greatefu 9bjijh,e ;zqr n9ycd*/.p )r than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect thepd bzj*9 ,frjuny e). iq/9c;h ruler to fall before you catch it?

  A ball is thrown upward at a velocity oa hyjfng7h g d8:n8ggjw ,1:w4f 19.6 m/s. What is its velocity after 3.00 sn1f8y w g,7d: 8jgw:nhgj4g ha?

  A bullet shot straight up returns to its starting point/cw6pwy 4rw u5dgd 1tv9/vei 8 in 10 s. What is the initial speeud4wvtcw/1v /9d i5pyg8re6 wd of the bullet?

  A ball is thrown straight up with a speed of 36.0 m/s. How long dou pz6j:woemdva)m. g09h;4mo es it take to return to itso:.v m )e6opd;0w 9ah 4mujmgz starting point?

  A ball is thrown downward from the top of a building with an initial spee 65nv+ntlqy )f6gepe ,qd(vr 3d of 25 mntrvyneq+5l 6 ,36fgv)qe (pd/s. It strikes the ground after 2.0 s. How high is the building?

  A ball is thrown straight up with a speed ot kcb*g , jh-gl.fwqc te7,0j,f 30 m/s. (only fill in numerical value in the bla7f.ck,,*c, 0jwghjtgb l- qetnks)
(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: v1kej i9pp5y7p(gp w the air with a speed of 30.0 m/s. (only fill in numerical (pew1g : k957ppivyjp 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 e7zf -exp . 3tdq-/(frfyc/ erthe velocity at t = 1.0 s?

  In Fig. 2-1, what is the veloci+xcrvv1v ;m8 kty at t = 2.5 s?

  In Fig. 2-1, what is the velocity at fci e4t-;oex46jyfg( t = 4.0 s?

  In Fig. 2-1, what is the velocity at t = :sfg:j6)u csb 5.5 s?

  In Fig. 2-1, what is the average velocity fromd1k2 cdcsxy/+pfu3 :) v9vkji 0 to 4.0 s?

  In Fig. 2-1, what is the average velocitcpp(r-*:b ; bzfm l))*ypkvufy from 0 to 6.0 s?

  In Fig. 2-2, what is the acceleration at 1.0we45kvw* 1glg- /wg6rwjh hn01*n noh s?

  In Fig. 2-2, what is the acceh6,,(hwv/ ,6pe8mts o o fksbhleration at 3.0 s?

  In Fig. 2-2, what is the average acceleration f.)d2 gab+(qz samr1 ur7nnnx6 rom 0 to 5.0 s?

  In Fig. 2-2, what is the average acceleration f3+p csfdxp7 pp ;77wsfs6d5x) ab rwo7rom 0 to 8.0 s?

  In Fig. 2-2, what is t* o(pby;dzml )he displacement from 0 to 8.0 s?