Suppose that an object travels from one point in space to another. rono*kp2c gx(y1 o,/q Make a comparison between the displacement and the distanc oxyrn pk(, 1oq2*goc/e traveled.

  When is the average velocity of an object equal to to x*m(1hk 5u1g6h nzbahe instantaneous velocity?

  A new car manufacturer advertises that their car can go "from zerohokn;)erq5 yko(7 sz: to sixty in 8 s". This i 5yhk oqkeo(rn:7)sz;s a description of

  An object moving in the +x axis experiencerl ouz3 .m3nhh q62 dff1n*6nts an acceleration of $2.0 \; m/s^2$. This means the object is

  Suppose that a car traveling to the East (+x direction) begins to slow dolsi07uugp +p9lk b0:dd uv y oln*df)*2w :rp.wn as it approaches a traffic light. Make a statement concernigf i l*lv)y p2o09 *+dk:7wnpd0ub sd:l.pruung its acceleration.

  Suppose that a car traveling to the West (-x direction) begins to slow.)t,( og/m;gete1x yfnmj vmmw* :fj7 down as it approaches a traffic light. Make a statement concerning its acce*w m,y. ; tg7xt: jjmmfmgon/efve)(1leration.

  Suppose that an object is moving with a constant velocity. Make ufy gayd,c/da/:h761 dn2, dq gq++lj fw)xcm a statement concerning its af )ufd xdgd j/7y y d1g,h6wcmaa:q2q/c +nl,+cceleration.

  If the velocity of an object is zero, does it mean k: flh5j8m)vw 4f5whfthat the acceleration is zero? Support your answer with an examp8fl:wm5hkf4f)w jvh5 le.

  Can an object's velocity change direction when its ac6rzycu aocij98y0 )1oceleration is constant? Suppc0 81zuio9oyr ayj6)cort your answer with an example.

  Suppose that an object is moving with constant acceleration. Make a staq)1:h-2l;ku gdrgjy ltement concerning its mo ky1jgrlu h2d; q:l-)gtion with respect to time.

  Can an object have increasing speed while its acceleration is decreasink+uf mqt2a fnic)z2pj 0)xy36g? Support your answer with an example.my)cafxqu2n+ j 2 )3kti60fpz

  Suppose a can, after an initial kick, moves up along a smooth hill of icel 5h6uuh u0x w*ell078khog5e . Make a statement conw6lhu e xeluu7 gh58h5k0l o0*cerning its acceleration.

  Under what condition is average velocity equal to the average of the o n2 wg0p 9nk 2:0itfmqhrwy8f3bject's initial and fin 9wtn:wr0 82n0qf32pmgfki yhal velocity?

  Objects A and B both start at rest. Their4eqy 3/ 0isiy both accelerate at the same rate. However, object A accelerates for 43iys i reqi/0twice 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 accelerate at the sametb:v0u/ ;uuwe rate. However, object uvt/e ub:w0;u A accelerates for twice the time as object B. What is the distance traveled by object A compared to that of object B?

  An object moves 15.0 m north and then 11.0 m south. Find both the diublj/ b d(u;c5d2*vv jstance traveled and the magnitude of the displacement vu5cu2 bj/; *bd(vjvdlector.

  A boat can move at 30 km/h in still water. How long will it take to mojqp+e70s ; zrave 12 km upstream in a river flowing 6.0 k0+szpraeq;j 7m/h?

  55 mi/h is how many m/s? (1 mi = y/sw0 1 xupu,v;rlc6bm 4x0wv/x(c hb1609 m)

  What must be your average speed in order to travel 350 km in 5.15 h )uiikne.8qd,?

  A runner ran the marathon (g 5o jq4hd-r qx ri4p8s6-:pr 8+ivzejdph66r approximately 42.0 km) in 2 hours and 57 min. What is the d s4h5re: dpr+i6q-p-rvi8x qp64gzhjo r 68javerage speed of the runner in m/s?

  A car travels 90 km/h. How long does it tvwm e)jgn6gi;j9 p(r7ake for it to travel 400 km?

  A ly (light year) is.twaw j,r9fsd9rt k 7 em.r3n4f ,nm3e the distance that light travels in one year. The speed of 7r ,fe k.m9w.n,d9f 4trmr3wj 3etanslight is $3.00 \times 10^8 \; m/s$. How many miles are there in a light year? (1 mi = 1609 m, 1 yr = 365 d.)

  If you are driving 77*inh/ m.x9s a.j5vs3uqt gba2 km/h along a straight road and you look to the side for 4.0 s, how far do you travel during thi*vxih.b 3tq9/a5amnu sgs7j. s inattentive period?

  If you run a complete5 ptm-av d9uj5 loop around an outdoor track (400 m), in 100 s, your average velocity i5umvt 9p -dj5as

  A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km p zt7 ,3;5z ap)xis-4 shysqraeast, then 1.0 km north, then 1.0 km west thapx4a- 53q;zzr) tip7ss,y so 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 travels 1.0 km south, tkti*hn ra4uyced9) ;h7 81 vcuhen 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 9hv; n yudc 7 k8c)e14*hutraibear's average velocity?

  You are driving home on a weekend from school at 55 mi/h for 110 l739hgf p( kn8/ yte5z2i;y(m qrcrzhmiles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How fa zky;9trq5z(iy( fenm2 7gh8 hc /lpr3r is your hometown from school?

  A motorist travels 160 km at 80 km/h andri*izxrkm + o.nsg1 p5e;5-ob 160 km at 100 km/h. What is the average speed of the motorist for this n-kr+ pr 5ix;.zoigs mb15*eo trip?

  A motorist travels for 3.0 h at 80 km/x+po +kn/hoe;) c 8sukh and 2.0 h at 100 km/h. What is her average speed for 8eno+ k+p xus;)co/khthe trip?

  An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/h n+gza7mm -+3qmf 5wz8k3 gslrrorth for 750 miles. What i z sm+mg 7kr-g3zm538arlfq+ws the average speed for the trip?

  In a 400-m relay race the anchorman (the person who runs the last 100 m) fo iw6cgkc +o: wu2um9l4r 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 finacocw6 :gmiku492u l+w l 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. The car'sd0*e pkh54skb(wc.h4 -cl8gz vjj:i e average velocity during deceleration was 37 km/h. What was the car's decelerationgp.s:lbih5hjv z 40kd*4w8-(cje kec while slowing down?

  An airplane increases its speed from 100 m/s to 160 m/s, at thotfql4 6un nii vec7563u+bn: e average rate of e6 c in4 unnf7i3tqv6ulo5 :b+$15 \; m/s^2$. How much time does it take for the complete increase in speed?

  A car traveling 60 km/h accelerates at theslp 0ih7 b6 oy4-;iftl 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 accelv/e 8+jolw)t,c xcc zkb(i 74serates 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 with a constant acceleratioj-uyyt.q 9zn 8irgs +cj-:xz /n ju 8/i: qczgj +9yns-zrxt. -yof $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

  A cart with an initial velocity of 6.9 m/s experiences a constant acce mp5i0+ahu*h1 1ktpj 2d sn33qto/ wioleration o32jp+si kn1 ohu1idpm 0/qow a5tht *3f $2.4 \; m/s^2$. What is the cart's displacement during the first 9.2 s of its motion?

  A bullet moving horizontally to the right (+1v zdh a 5k,ti8.mj 5+wfg9d*tgkhm*dx direction) with a speed of 302 m/skfh wjd* .*98t1z kt, ivh+ddg5m5gm a strikes a sandbag and penetrates a distance of 34.84 cm. What is the average acceleration, in $m/s^2$, of the bullet?

  A jet fighter plane is lo,8vy 6 6,hlgl:+j3j m pfwphaaunched from a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and ta+o lg8j6 6w,h:m vlf3,jhppyhis requires 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?

  A car starting from ricx1q,ra.o6cgu (;tya 6 i:ffest moves with constant acceleration 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 averagez(:xhk -l5j5;,djz) fvcj oxx acceleration?oj5 x,lzc- h x :x);jzj5dv(kf

  An object starts from rest and undergoes uniform acceleration qtuys 48szj;+c;m i ++cqkd)mkiok,9. During the first second it travels 4.3 c+o zmitk9;+s uqk)y cmikd8j ;,4qs+m. How far will it travel during the third second?

  An object is moving in a straight line with constant acceleration. Is6s(pf r6 rx2 )t;l ii oyxtr1l)p-x7initially it is traveling at 16 m/s. Three seconds later it is traveling at 10 6lxprl7;r)syxr-tt o1)ii26(fpxs im/s. How far does it move during this time?

  A car starts from rest and accelerates uniformly az 4hw *u /nx7sdyqjsx578c*zzt $3.0 \; m/s^2$. 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 can decelerate at about 3s/w8/kiiq 7ytroot fi)j0k a ea u76.$5.0 \; m/s^2$ when braking. Suppose a car is initially traveling at 55 mi/h.
(a.) How much time does it take the car to stop?    $s$ (only input numerical values)
(b.) What is the stopping distance?    $m$ ((only input numerical values)

  At the instant a traffic ltzt w:o)si9--qyw0m6vn my,5n 3kqnlight turns green, a car that has been waiting at the intersection starts ahw wz -0t9 ynq ls6qk)yim3-ntno,5vm:ead 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.    $s$ (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)

  Convert 35 mi/h to b;na 5qwg* w*y
(a) km/h,    km/h
(b) m/s ,    m/s
(c) ft/s.    ft/s

  A rolling ball moves from.81o83wj cmy us9*gk-y ca gnm $x_1$ = 3.4 cm to $x_2$ = -4.2 cm during the time from $t_1$ = 3.0 s to $t_2$ = 6.1 s What is its average velocity?    cm/s

  A particle at $t_1$ = -2.0 s is at $x_1$ = 3.4 cm and at $t_2$ = -4.5 s is at $x_2$ = 8.5 cm What is its average velocity? Can you calculate its average speed from these data?    cm/s

  You are driving home from school steadi ,jl9:w-o2yem dk+zs xly at 95 km/h for 130 km. It then begins to rain and you slow to 65 km/h You arrive home am: d2y- +9oklze jxws,fter driving 3 hours and 20 minutes.
(a) How far is your hometown from school?    km
(b) What was your average speed?    km/h

  A person jogs eight complete laps around a quarter-mile track in a total time o/oe (rhnddaq99bf 8d;b.e+2 bs hhw-bf 12.5 min. Cal b odq92wh(hb.befn9/ -e+hs d8bra;d culate
(a) the average speed    m/s
(b) the average velocity, in    m/s

  A horse canters away from its trainer in a straight linv skhs1p2e5(rfr( 3q1 xn:s(8 nxuxq ue, moving 116 m away in 14.0 s. It then turns abruptly and gallops halfway back in 4.5x (uu8s(v rqs3pqr(f1xekx:2 1snnh8 s. Calculate
(a) its average speed    m/s
(b) its average velocity for the entire trip, using “away from the trainer” as the positive direction.    m/s

  An airplane travels 3100 km at a speeg 2afh5oqp76:k uba -ed of 790 km/h , and then encounters a tailwind that boosts its speed to 9geufok-6a: 7p 2abhq5 90 km/h for the next 2800 km.
What was the total time for the trip?    h
What was the average speed of the plane for this trip? [Hint: Think carefully before using Eq. 2–11d.]    km/h

  Calculate the average speed and average velot 0cjja c9b of1+;gr,su1zj+olqla52 city of a complete round-trip in which the outgoing 250 km is covered at 95 km/h followed by a 1.0-hour lunch break, and the rljga2js 9rbu cfoj+l ,;a5q o1z+ 0ct1eturn 250 km is covered at 55 km/h.    km/h

If one object has a greater speed than a secony,.d i-v5f*5 0gczrc lb4scjnd object, does the first necessarily have a greater acceleration? Explain, using*vsdzfi 5,5ry.l-g cccbn4 0j examples.

Compare the acceleration of a motorcycle that accsm9 )o 1ot.nle5rpi )iy*hdw8elerates from 80km/h to 90km/h with the acceleration of a bicycle that accswy)d om5)oe8htpn 9r. l1i *ielerates from rest to 10km/h in the same time.

Two cars emerge side by side from a tunna -fq2; ar9hbzdyea,3 el. Car A is traveling with a speed of 60km/h and has an acceleration of 40km/h/min . Car B has a speed of 40 km/h and has an acceleration of 60km/h/h2dq yf bz-aa,9r;3eamin . Which car is passing the other as they come out of the tunnel? Explain your reasoning.

Can an object be increasing in speed as its acceleration decre+udn1v; (o0 :sod sqstases? If so, give an examplessd:du ;0v o+1(otsn q. If not, explain.

Can an object have zero veloc6yiac* atpf6 0ity and nonzero acceleration at the same time? Give examples.ai*a6t0cyp 6f

Can an object have zero acceleration and nonzero veliy)l;pb-w5df j ;aln 0ocity at the same time? Give ewi);ay b5;jp lf -ndl0xamples.