What is the SI unit of momentp7+ov0itz4pcp;w pzp6 ,r og* lwk -3uum?

  When a cannon fires a cannonball, the cannon will recoil backward ld9-k f;dkjy7because the

  A freight car moves along a frictione*mntl10/ y8ajnu hs2y,o7 r pless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens ynpe,1l2njour/ 7 a08thsm*y to the velocity of the car?

  A child falls sideways off -,*rr 6nusm ;mi bxh:ozs t+u2a sled while sledding on frictionless ice. What happens to the velocity of the sled?hxirt s m6*ms2b+uo,n;z:ru -

  A rubber ball and a lump of y4; la(l:hrbufnj z-m c(c;3oputty have equal mass. They are thrown with equal speed against a wall. The bal( o;3fcbhz(-yu4rlcj mn a :;ll bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with azy3m1 z4 fske c+ ui)p.uj)f9l momentum p. How would you represent its kinetic energye 1.uzf3 ypzuj94kcf si)m+)l in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it ca)a*a0,q0szjj lqs 4t q4lw5in the previous p)ws t c0*q4alj0z4 jqa5sqa,litch, the magnitude of its momentum is

State Newton's second law in terms of momentum.h 2*-kgkwyap uosdy88y3n 2 l9

State the law of conservatiis-,0wkp ka4 af2 rm7don of momentum.

  The area under the curve on a Force versus time,o f bmqou:4bh 0 ikbc939ips0 (F vs. t) graph represents

  Which of the following is an accurate stateq( hn2oeko3:jsv s o(*ment?

  A small car meshes with a large truck in a head-on collision. *c vfr -dt0/i dxpep/6Which of the following dv/c/d6 i pt0xr-f*pestatements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red andkqdv1lor /+w+ the other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its co +wdl+r q1vko/llision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a st7lu+gk u5 uychek3 o;7ationary bowling ball. The Ping-Pol u3kog+u5ch7k7eu ;yng ball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear mz/ .+7iajlgtnc y7al 8omentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6.0-*):zqpmacww ( .geq;nkg object moving to the left.:gw(a* wqnq e) c;zmp at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg halfbac 1*bc1igm. jcak runna 1gbc mic1.*jing
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then which of the follo+p6iul e +ht-,u; qsvxwing statements i usut +i-,x velhq+6;ps true about kinetic energy?

  When is kinetic energy conserved?gv.0 9 a)yeidt

  In a game of pool, the white cue ball hits the #5 ball and stops, while the #5 kh3 juo5/tksij ,:m(*rr/ix jbax ot ji3(rj sr,/j m/k:huik5*ll moves away with the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling q0*g :6udoj-ep mi8ezwith a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach 8oeud*gipjq -6mze:0 ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on colln;06 : rpr3kdq7 gmulwvc w-q;ision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immediately afterpqncw 0w6rg;r lmqv; ku-:73d the collision is

  A rubber ball with a speed of 5.0 m/s collides hevos6i8 dm)y0-9xh: nhv5a: kav /)zsno b xy9gad-on elastically with an identical ball at rest. What is the s-mo y v 9abn 6kh:n) s9xy0:x)sa5dvih8zogv/peed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-onblh es 75ccdljbk8i8+448xmqe ckg q1 6 qrp(9 with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows do+cqk48dqjg 4 76 m8 5sb 9clb qxc81e(hirelkpwn. What is the speed of the light object after the collision?

  A very light object moving with spee009 s8soqxnvxbz() +vys +tked v collides head-on with a very heavy object at rest, in a frictionless envi+xv)qo8+yst s(0e b0ks9vxn zronment. The collision is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-op6guefkw y /bbm2l-7 7gg/hw / jcgs 54zq:ri:n with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collisibk - 77g bwy2mpu gqz5/ew/grcs jh4:f6il/:gon?

  A very heavy object moving with velocity v collides head-on with xh,z n3* xmh1-l(xgjoa very light object moving with velocity -v. The collision is ,m ox31jxn*hxzlgh -(elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentuz 3+,zxvc0hg3nk .k8w7wit-rlkcp 2qm is conserved, then which of the following statements is true about kinz c v- k 0ghqrw2+wz3kn837ltp,k.xicetic energy?

  Two objects collide and stick together. Kinetic ener 34qwk)cc aid8gctc4.gy

  A 3.0-kg object moves to thev6k sp:oi4 gu+ln93h o right at 4.0 m/s. It collides in a perfectly inelastic collision w vnpis :43u9+ gok6holith a
6.1 kg object moving to the left at 2.0 m/s. What is the total kinetic energy after the collision?

  A small object collides with a large object and sticks. Which object experiencesq* rgfwq(q+ 7k-0xiys the la+* ksyrq7(g0iqxqw- frger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is bp-,k3bo+wu *yo b2 gf:lxw)z deflected at a $35^{\circ}$ angle to the original line of motion. What is the angle of deflection below the original line of motion for the #9 ball?

  Consider two unequal masses, M and m. Which of the follb 2f)8 k*lyispowing statements is falskifyl ) b*8s2pe?

  Which of the following is a false 1us2iy7j n m+qm/a 1n:sm jm4lstatement?

  Tightrope walkers walk with a lo vg.2thtoh; j)l3/avkar 6rr) ng flexible rod in order to

  A plane, flying horizontaloo.da-fhx8 x 4ap w61lly, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of o1o8f6xh awp.dla- 4xthe bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The col* w.2w1ybve 9kr3x paulision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of9kpux.eb*2vrw 3 aw1y this system's center of mass?

State Newton's second law for a system of pa2gyer7ok6t 0oypz g5y rkdmh-a x;203rticles.

  What is the momentum of a 2000-kg truck tra 8kurfdbs55a/ij ;0b uveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is thv5tn j757ablhdu b2 * 4jntocu.w2he+e magnitude of its momentum?+w2c7*un .jhn7vb524htb 5ojed ltau

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum wh , efnli/snil6+1w2n 7oh sr,+j qmf(yen it strikes the groundei ,r7+lmlsn hs/1 (fwo,+ny6 fji2 nq is

  Two identical 1500-kg ca ji e6/mwat2a.rs are moving perpendicular to each other. One moves with a speed of 25 m/se amia.2j /wt6 due north and the other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at u8fhn- f4.fvz9fu46rua - xzq30 m/s, strikes a wall and rebounds at 24 m/s. What isqn4uh-ffvauff -4 9z6ruz .8x the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially movsr; 8epj*u. )7i xlj 8kpqnwf3ing at a speed of 12 m/s, is struck by a racket causinqr8)nxiej s.lpkw*;u p jf387 g it to rebound in the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on rcu )7u)wct (ba frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 mut r)7bu(cc) w/s in the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the mg7u8zy (jz* g *xjrbne:zj)2space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer at a speed of 14 m/s away from the capsule. At what speed does the astronaut move toward thee7n(: *xzg jguz mjz8y* )2rbj capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large object ;) tkrllk2y/ sat rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's moy l);lk/2ts rkmentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kg mazl8hvvg:qm 2 odg3yaoe3.5 ;iss), who is standing still, with open armdoqzv gavo:mg.;3 3 yi8leh 52s. As you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a level, sbe6smozm/ 2 :v3f+:x o dc vhuon1z58otraight road at a speed of 6.0 m/s. It collides directly with a stopped motoonxm5+26vmco zoodfs: 3 h/vu e18zb:rcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped car that y7(x3gj0lf ibo qsf+. putm;) has a mass of 1500 kg and they stick together. What is the speed of the cars after il (u3pb0m 7)o.yf stxq;+jfgthe collision?

  A railroad freight car, mass 15,000 kg, is allowe84u5nwe2q q7zk txaa;fyt ,ea( isx92d to coast along a level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg second car, initially at rest and with brakes released. What is the speed of the two cars aftq(7at f22nt8aexes uxy95wq, zi;a k4er coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a horizh4iy*ocm3;j qontal track with a speed o*qo c yj3m;4ihf 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0 m, and lands in the car. How fast will the car be moving after this happens?

  A 60-kg person walks on a 100-kg log at the ran/dacf0vc 97-ul h o*pte of 0.80 m/s (with respect to the log). With what speed does the logdf* cu/a7cvn- ho09p l move, with respect to the shore?

  A 4.0-N force acts for 3gh-;nah a 7:oq.0 s on an object. The force suddenly increases to 15 N and acts for one more second. ga ah7hqon:;-What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-(ypws++5o .ld9sip gzkg object. What is the object's change of vis5zspl++y (p gdow .9elocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a bri3 frr/q/x3 iop-vy9hcck wall and comes to rest in 0.20 s. What is the average force the car exerts on the 3qrpr y/-xifh9/ovc3wall?

  A 2.0-kg softball is pitched to you at 20 m/sel wh2sstw92,v+4pc)k . mfab . You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, whap42w+hflc temw2k va.s)b9, s t is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table to:b qpsjif.,o lw*(pq2p. The speeds of the ball right before and right after hitting the table top are 5.0 m/s and 4.0 m/s, respectively. If the collision between 2, oq.:psl *(p qjfibwthe ball and the table top lasts 0.15 s, what is the magnitude of the average force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muso v lwr4ay29 07xjs6ezzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun mount oj a6y47lw xv09ers2s?

  A fire hose is turned on th9pacb0 r;eb+g3,vkt k e door of a burning building in order to knock the door down. This requires a bp93tcb g;v+0r ek,ak force of 1000 N. If the hose delivers 40 kg per second, what is the minimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minut hr2a-ut5e 3-yw5;cod +n bxpse. It falls 3. yc5 ohawu;dpe3brx s-25nt+-20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 fkzty4.idj 3 d7e f(f/m/s after 3.0 s, when fired st f jf3 (74zidedyf.kt/raight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initialefqpkvw(; 22bly at rest in outer space. They puswep(fq2b2;vk h each other apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the rkxzy)o c52 2uv1/rc jc;3xdnvight with a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object moving to c13y2 onk5vcj xxvu/ z2d ;)crthe left at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a veloc. seate60q vbwj9 m6kxj/npa9.2hwh3ity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rab3/j0 6q9k.xmvj s9twah 6eeh p.2nw est. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s 4/gwi j 9rp5wbis fired into a 1.00-kg block at rest. The bullet emerges (the bu4 w 9r/b5wipgjllet does not get embedded in the block) with half of its original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest,m40 w 1vtic/5dwuw8zl is struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed /ulzw 1dtm4 508viwcwv. If the collision is completely elastic, what speed will the alpha-particle have after the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationcrse:(c k7jn3vlv s5*ary ball of mass 100 g. The collisioncjk:s5 7vv(ls*ne3r c is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a spee/ l ycjcex*,el1e6 g09sow 54*t w)d dac+sasjd of 3.70 m/s collides head-on with a 200 g balc*6 l9 1d4+cgyessas) e*5tw/ao0jxd ,lce wjl sitting at rest. The collision is perfectly elastic.
(a) Determine the velocity of the first ball after the collision.
(b) Determine the velocity of the second ball after the collision.
(c) Is kinetic energy conserved in this collision?

  A 2.0-kg mass moves with a speed of 57 wgy* 9wsnel2/zlda/lvem9;.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, z/ewds2;9 ne7m/9 wvlla lyg*what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/egv;t327w lotu cf8: ps collides head-on in a perfectly inelastic collision with a stationary 2.0-kguc8 t;vfp3e7ltg w2: o mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strfoto+ +jd pps8.v1*zuqmi68 nikes a parked station wagon, who' s6jqzfp mtn+1ovupid88+*.os mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itseiq yojuo cge ie32,iy) e,:j-9lf in a 2.4-kg block of wood a rest directly above qcj g ,ejeo32-)iiio:yyu9 e,it. As a result, the bullet/block combination moves vertically upward.
(a) Determine the velocity of the bullet/block combination at the point of impact.
(b) Determine the maximum height reached by the bullet/block combination.
(c) Is kinetic energy conserved in this collision?

  A 1500-kg car traveling at 90.0 km/h east collideso7j1s)rr9,bim3ncsc z -yt:y with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) Wha1 7)nts,r:i ysmy9bcr zjc -3ot is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides wizs66 m / jhvhst+1k :*fujh8 bpad-ry8th a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision + 6:h8j hymsu61*-8rfpksd /vbtazhj. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless 9re x 4s7zaea*surface. Object A moves east with a momentum of 24 kgm/s. za *x7 raees49Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of 4.q* mb. j; k3pa3ok2yit0 m/s. It explodes into three fragm3 tkkq;*jb2.aiym 3p oents: a 5.0-kg fragment moving west with a speed of 8.0 m/s; a 4.0-kg fragment moving east with a speed of 10 m/s; and a third fragment with a mass of 1.0 kg. What is the velocity of the third fragment? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg civ8a 9-)uo yzmass sits at x = + 21.0 m. Where is the center of mass oi8-zuoyc )av 9n the x-axis?

  The center of mass of a two-particle sys jejjqq/;b/e/9+tc qetem is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the sece/qje +; t/e9cjqj/qbond mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0,w3w1u (ek j*x,h;1ghf joi:to 0), andwh:3got 1;e,jixu( k*o1wjfh 4.0 kg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m),9pg 6jb6xr;t 5;kstod and (2.0 m, -2.0 m), respectively. What is the locatixsbpo6tt5 k ; 6drj9g;on of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, -s lw9zdlv+lz28srnfj;q97n8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of the system of three masses being located at the orir-l979 dl j;nw fv2l+8snsqzzgin, (0, 0)?

  Use Table 7-1 to calculate the position of thkhyqd 5w3x9z y eb-xrw-g7., xe CM of a whole leg including the foot when the leg is stretched- 3wwh,x9x -d75bq xyg k.yzer straight out. Assume the person is 1.60 m tall.