What is the SI unit of m;r:3zv qn y mq;zj+zh8dli0e1omentum?

  When a cannon fires a cannonball, the cannon will recoil backward bec7n1mg blgm o:ac24x1qause the

  A freight car moves along a frictionlr kos/+,1t+ kq8lffq hess level railroad track at constant speed. The car is open on top. A large load of coal is suddef lqkq/fo +s,rhk8 1t+nly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while stp/lye/i/ l9q ledding on frictionless ice. What happens to the velocity o /9liytq p//elf the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown. upb bj7.4e:9 dvufun with equal speed against a wall. The ball bounces back withbu eu: d.p47fbu9j.vn 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 a momentum p. How would you represent its s70uom eh+6u qkinetic energy inqeus u067m+oh terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in th8ucl 4 a9hlqs8g sqe77qmrt3)e previous p7s easq l9 4lq)37cghum8rqt8itch, the magnitude of its momentum is

State Newton's second law in terms fs y,rpz:x50(z sfuy6jc;ku :of momentum.

State the law of conservation of moment6k /srgdx 5cx:-tj ps3vyc d*,um.

  The area under the curve on a Force versus time (F vs. t) gsi6-7q 1 /fgqcfc z g)jwuf3/mraph represents

  Which of the following is an accur42 ruw1i+iuw6f4njos ate statement?

  A small car meshes with a large truck in a head-on collision. re( qzkbf 9-qd2fd :,b Which of the following statements concerning the magnitude of the average collision f 2kqr-d :zfdq,bb f9(eorce is correct?

  Two equal mass balls (one red and the q 7h s 4)a/1.scvlhdyhother 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 collision w.a)y1 l hsv7hdhs /4qcith the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s,(hs9rcbw )g5j collides with a stationary bowling ball. The()h5j gs wcbr9 Ping-Pong 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. Line q 8ypht,9mgqbd m9cs4.3 jh2lar momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-onq(t;9 w/dpe3k ailn;d with a 6.0-kg object moving to the left at 2.0 m/s. Which statedln/;q ;ewka3t d 9(piment is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg halfbnn/ j smv6f+;iack runninfisvjn6n + ;/mg
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 followinx ,xsjtjexi452fc( 8ng statements is trujn4ji , fx(2 xxe5c8tse about kinetic energy?

  When is kinetic enerysgk 2b m5k.,d(ux f-zgy conserved?

  In a game of pool, the white cue ball h 1uc igvj8ac:-okmnmno+p f7t :r96x*its the #5 ball and stops, while the #5 ball moves away with the same velocity as therok: u np6:9ncv78ifamx tj+* goc 1m- cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides witythk os,(3 v(eh a heavy exercise ball at rest, 3(,tekov hs(ythe beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right col td(xe9/pfaur9n s(a)lides in a head-on collision with a stationary bowling ball in a friction-free environment. (fs) e99 (an tx/dpaurIf the collision is almost perfectly elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on elasticalf2 sud439 o3ozvp4wculy with an identical ball at rest. What is the speed of the initiall3dz9of 3wu4u vc2o4psy stopped ball after the collision?

  A very heavy object moving with speed v colxazrm8 ;y (mutsuu 4ywg9:-w9rj*p x;lides head-on with a very light object at rest. The collision is elastic, and9;-gw8j:sxx 4u u*m wyp(mur9ytr;za there is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v collides head-on 6 hghn1q/(zwswith a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after n s(q/h6w zg1hthe collision is

  A red ball with a velocity of +3.0 m/s collides head-oylns .; .fdfwcez+ s;,n with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellowl,w; s+z dycff. e.ns; ball after the collision?

  A very heavy object moving with velocity v collides head-om0 k9zcc mjewkb 4-,6on with a very light object moving with velocity -v. The collision is elastic, and thck4kzce-b o9mwj, 0m 6ere 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 momentum is conserved, then which of the follo0xl 5ca;-mw cswing statemec ms5-l cx;a0wnts is true about kinetic energy?

  Two objects collide and stick togethevv )-mvl;sy. pr. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfe w ik*rc pji,y(g.0a4cctly inelastic collision wii r . ckjywp4i,ga(0c*th 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 owl5ouuw,1e:pu oyfra7* s *f:bject and sticks. Which object experiences the larger magnitude of momeof,pwer *u 1:lwa7ufousy 5:*ntum change?

  In a game of pool, the white cue ball hits the #9 bawj xc0a zrqb (pi4d)3rpy 5) 2p8hxb+xbg;/call and is 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 following statemen7g/mb gmae vg:a0itg,0 * :y)ymf7azhib5 2 dlts is false57bm ml 2:0v dga/a)b0igamy*y :z,itgfh 7ge?

  Which of the following is a f-ph)p(5rpbd c y;rr)f idm55g alse statement?

  Tightrope walkers walk with a long f78e.a1 b0 yny xmfu4,m js,dovlexible rod in order to

  A plane, flying horizontally, releases a;cs z7k bug6(x52gc hw bomb, which explodes before hitting the grokg7hz5sub2 gc;x (w 6cund. Neglecting air resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a l ffgew .0bkhxk.q+/ k7evel friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about thb0hfk wq7+k .. e/xkgfe velocity of this system's center of mass?

State Newton's second law for a system of particlese8gm+hj2 6nl -)4 ykm wffk2t(8scbps .

  What is the momentum of -pfrj2xr da/rond8eb 54/jx5.s ) nr ma 2000-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What 0(nx3d)plp*lr bhs 0 ois the magnitude of its momentum? dxr*hlosb(nl 00pp3)

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentul;c3 *wunde;-b gltc)m when it strikes the grouncbe)dtwgc 3l*;;-l nud is

  Two identical 1500-kg cars are moving perpendicular to each ouy/ k)0bcbn qg8c88rbdjk5;a ther. One moves with a speed of 25 m/s due norg/a 8bkuj)bk 588dbrc; y qnc0th 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 30 m/s, strikes a walen4/ ,b6ur1rrcl cb *5tng3 itl and rebounds at 24 m/s. What is the change in the m1irb5 3 tnengu c tc,r*/4lb6romentum of the ball?

  A 0.060-kg tennis ball, initiallzp8+p e h+qgp.3gjs bxi,h+p. y moving at a speed of 12 m/s, is struck by a racket cp.p g+hs3 xi++ep.z8gphqb , jausing 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 (excludx1jo1(coj k 5/ x ;qqsht.in lwjl :10wvfn6/zing the baseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speed of the pitching machine? (Asfwxzhnj0j: vl/5 k61;j sxqoiq/.cnto1 1 (lwsume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and is statzerx9h* 6 ana1 sp-l*r 3ta6i .v;mnhtionary 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 the capexa vti.69; pzhnha t*a-lr *3 6nrm1ssule?

  A small object with momentum 5.0 kgm/s approach wsa16pu0*orz4ffll)iomj yr: 5i p2(es head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the maliyo i up5w)a4prf*m6jsr(l:z12 o 0f gnitude of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to elu:253rb6mmy nztl +greet your friend (40-kg mass), who is standing still, with open arms. As you cmm 2u+let3l z:y5b6n rollide, 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 levels crvimz) t/yl *9sqhj ;(0yo(we j2(y, straight road at a speed of 6.0 m/s. It collides directly with a stopped motor s) cyi w2(0 s(;*yzthl9rv(mj/yoqje cycle 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 ha)v;3pgb d l6g0m) .6qwerdfnk s a mass of 1500 kp;ne)30 qw)v6 dgbr .d gmf6lkg and they stick together. What is the speed of the cars after the collision?

  A railroad freight car3sr0w 6hiqu41hly z6 q, mass 15,000 kg, is allowed 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 after coupling?ri0qwus6zhl 3 h 64q1y

  A railroad car, of mass 200 kg, rolls with negligible friction on a horizont:w)h6frn- bt +of**aq-;z+ine rs reval track with a speed of 10 m/s. A 70-kg stunt man orb f *nrh:s w-tere*;iv +an)+f6 -qzdrops 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 rate of 0.80 m/s (with respect rlj s8 le:xn4v3 d2ehs-wgbs.9na6*z to the log). With what speed does the log move, with respect to thswe6 db axl82g9nj.*l-n3he: sz v4sre shore?

  A 4.0-N force acts for ,umcvwp f:z*1b a.: ty3.0 s on an object. The force suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to the ztw:bc:.v afmp * 1u,yobject?

  A constant 9.0-N net force acts for 2.0 s on a m))1l 7yeyy 4y1det9a)iyv mn6.0-kg object. What is the object's ai1yen4 91 7d)y ylvtmy) yem)change of velocity?

  A 2000-kg car, traveling whc;-x;6 6k2 ap 1llyhs*zfduto the right at 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is th6w26xh*plkl asyf ;1z;dc-h u e average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball backm:52jaer ,)ryo pc(tkqot6) y along the same path, and at the same speed. If t,p 2m)j:(y)yq kacrort 5oe6 the bat was in contact with the ball for 0.10 s, what is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is dr qo7d9,ar+6m f+oat afopped onto a table top. 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 the ball and the table top lasts 0.15 s, what is the magnitude of the average for7d aa6mfq +a+ ,or9oftce exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bulk8zq.5;jf(zzv9bp f8 w n ngt+lets, with a muzzle velocity of 750 m/s, at the rat+qfjvzp;nz k.f z8t9( 5w8n gbe of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turnedgi84e*0pk 2r6:obrlb u ej-thi ksw28 on the door of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is th6lr :ogb4euis2thjw2ik88 p0e rkb* -e minimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontf n0)4 )ntwuyro4s5amfci :2 pal drainpipe at the rate of 120 kg per minute. It falls 3.20 w f aonfs4c4ir:)n0ump2)y5t 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 m/s after 3.0 wqil ty (0y,pz :t8voos:b6 j/s, when fired straight up. What average thrust force does the rocket engi t/osv6 t0li,(ywoq p:yz8 b:jne exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest*3yecv d;fi4 w in outer space. They push each other apart. What is their*e3 fy ci4;dwv separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/en/3lm7dv(i3u1 olvcs. It collides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energy after the collisu/dov3 c1e7l i(m3nvlion?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x dvg,b,nd y73ulirection makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after collision?n d,, l7gbuyv3

  A 10.0-g bullet moving at 300 m/s is fired into h* q4xoi,r ne6b c/e(ma 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocity ofer(6obmihncq 4e */ ,x the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particledt7i:4,lk cqxc: u,nu (which consists of 2 protons and 2 neutrons) moving at speed v. u,c 7u:i,l4cx :ntd kqIf 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 stationary b; noz(8cdf xm 2f6c6tfall of mass 100 g. The collision is elastic. What is the speed of each ball immediately after the; ( t2dofxcz66 cffn8m collision?

A ball of mass 400 g moving toward the east with a speed ofs-)bawwn6uo rb; z m7j5wi;s0 3.70 m/s collides head-on with a 200 g ball s6mi n sbo0sbjru )wwa ;-w;57zitting 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 5.0 m/s. It collides head-4b 13xlzfpg)u.gvw :xu7- f mupv)f/lon with a 3.0 kg mass at rest. If t ) mw)g.1ppu:-vfllx/vxgf4zb f u73uhe collision is perfectly inelastic, 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/s c1 k7fki9p( .eectk h;kp)w s)oollides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kine)1eht p9 wkk)skip; e .fokc(7tic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a /uw8vc d /j xwl mue9k(x2:zq6u6,likparked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this colllie / mj2 luq,u8/6 x(dvcx: kwu6kzw9ision?

A 15-g bullet traveling 21 c( m.xdb*er + -xiaea*ofqv(23 m/s in a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. Asdr+*-o mqxvaf* (axb.2 eei (c 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 collides with a 3000-kg car traveliphx22km jer*, ng at 60.0 km/h south. The two cars stick together after the collision. (Seehe2m*j2xpk r , Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car travel) 8ab78olohqgjle g 1+ing at 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7+)87ll hoe a jogbq18g-1.) What is the direction of motion of the cars after collision?

  Two objects move on rr 8ik+) /jfwba level frictionless surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectl/jifr bwr )k8+y 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 wii5,.7s;/7 s m3tioboxq4fq2pdn v uw pth a velocity of 4.0 m/s. It explodes into three fragments: 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 m pvq,s54 ;ts owi2nbxqf7pdo 3/.7uiof 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 mass sits t*qev3 ::boe qat x = + 21.0 m. Where is the center of mass on the vbqe:*:o 3 qetx-axis?

  The center of mass of a two-particle sysb1bz)vm0 b wk5ah gy6/tem 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 s50bz /)vmhy1 bgk6ba wecond mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0)vtk8ya6z ( a05czjp pvpta.(6 , 2.0 kg at (2.0, 0), and 4.0 kgzyt v6a(jk ap8vaz6tc0 (p.5p 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 x+v pof 7y/9dq(0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 px9d oy+vf7 q/m), respectively. What is the location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg .)4lslz o*n xoh+br *p-ityd-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)n li-pz.od + oxyh-*ltr4*b s the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a whole leg .0qsjs+xeh 2n r5k 1 d8bc,iaeincluding the foot when the leg is stretched straight out.ia5qe ne+b2r1 jksh. d0,x8cs Assume the person is 1.60 m tall.