What is the SI unit of momentum gh-a5fci3 7bn?

  When a cannon fires a cannonball, the cannon v(bmtbu-u+s cqi 8 (gj16dg9uwill recoil backward because the

  A freight car moves along a frictionless level railroad tracte w-mi x2lhd4:dld /6k at constant speed. The car is opm6hld li2dt-/ 4:edxwen on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice.gw-cw,m,tb4rd 0mp qwum33g - What happens to t-wwmbc g3m,3r w ,ud-pgm40qthe velocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown wi r ): 1hg jggs*8kmas3ayj2rg0th equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which objects experiej)rg2 hgs1s*:am3y rga0j gk8 nces the greater momentum change?

  A sailboat of mass m is movijdy5lr7 ebz1j5 ij5 6 xx8s*fgng with a momentum p. How would you represent its kinetic energy in terms of these two qu gjd*y5x5b 6xjr5f zie18jl7s antities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previouka ;-l79ytxi/n 6kk 7uu-/d qxutvx*i s pitch, the magnitude of x k u--iku6nxv*/ax7q9t/lik7ydu t;its momentum is

State Newton's second law4p (/q,m* ibl8jikj) k oehmr. in terms of momentum.

State the law of conservatttbhk2, , toj9v vd(3iion of momentum.

  The area under the curve on a Force versus time (F vs. t) gra ;dx3si+femr6vu8t h -ph represents

  Which of the following is aii , bc9q+l*8lg dlwq6n accurate statement?

  A small car meshes with a large truck in a hlz;wkw )w i)w5ead-on collision. Which of the following statements concerning the magnitude of the average collision force izw)ww);ki5w l s correct?

  Two equal mass balls (one red and the other blue) are dropped from the same he1epolat, -e0 tight, and rebound off the floor. The red ball rebounds to a higher position. Which ball is sub10 ,tplote e-ajected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with(dm 1a cgemh1d +/rs-j a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences t de+m c1(1a-gsmdrj/h he greater magnitude impulse during the collision?

  Two objects collide and bounce off each oth lac(6hty* qy3er. Linear momentum

  A 3.0-kg object moves to the rightlkk9mq-4n9 wee d3))s ooa6 z-2cejgg at 4.0 m/s. It collides head-on with a 6.0-kg2 kc--d ajs 9e moqn6l)9wegk e)go3z4 object moving to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackle jkdr5a6k*k02q pb hf7q,aqt* s head-on an 80-kg halfback rutqqj*kaf62h r a 5,dp0 bqk7k*nning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is c;/md 3u g4 s8zplmy3puonserved, then which of the following statements is true about kinp u3 pdg;43su8myl/mz etic energy?

  When is kinetic energy conserukay2u 5sg 9;2dss(srved?

  In a game of pool, the white cue ball hits the #5 ball and stops, while thekyxp+ua 3o 0st bfq f-v+s28;g #5 ball moves away with the same velocity as the cue ball had originally. The type of 3b+ v- 0ausp y8k+fxq og;st2fcollision is

  When a light beach ball rolling with a s 6yuizt8 8lj7wpeed of 6.0 m/s collides with a heavy exercisz78 wyil6j u8te ball at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a hea7sk p)8zp muzcs6a 44nd-on collision with a stationary bowling ball in a friction-free environment. If the collision is suc6smk8nzp7 az4p 4 )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 el9yxx5tis *r. gastically with an identical ball at rest. What is the speed of the initially stopped ball afte5.9* ti ryxxsgr the collision?

  A very heavy object movingl f8ppxnu 27ga 6r.h7g with speed v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the sp72 g7 6.8unxhlpraf gpeed of the light object after the collision?

  A very light object moving with speed v collides hea2 7irczgbu+yl )ss+ c1cqyq;.d-on with a very heavy object at suybsc q )++gyzq2l.cc; 71 irrest, in a frictionless environment. 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 ht rtma 0vm5iii33 0 8rwanv/5dead-on with a yellow ball of equal m m5030rnwt5i vdr38i/mva ait ass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving wit ewa+mce ;e*v-h velocity v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows wv-m ;eacee+ *down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentu :(de (0vzt-v qk)hwvim is conserved, then which of the following statements i( e0:()v tidwvhvzkq- s true about kinetic energy?

  Two objects collide and stick together.*i :n(xno1 hzl Kinetic energy

  A 3.0-kg object moves to the right 5 hmy .wdsjpb301b6cx at 4.0 m/s. It collides in a perfectly inelastic dx1 bmjb0 y5wh6.3cs pcollision with 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 st94e 7, qfv5oxkfu w-6cyd)sswicks. Which object experiences the larger magnit6 9wqcku o5yfvxs4 -f7we, ds)ude of momentum change?

  In a game of pool, the white cue ball hits xec9bon 8b7w)(1 ssfc)dd0 7l0 acbjdthe #9 ball 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 cs:yde;6d dv,statements is false?,y ds6ec v;d:d

  Which of the following is a falseccb(jjjio d 32j3 b7*p statement?

  Tightrope walkers walk with a long flexible fo vm(-dz;wz9 rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hitting wen+/n;gopezj o- a,0the grounz/a, -+genoe0o w;pj nd. Neglecting air resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The collision was comple5z.0jhz84tu l ag7v cytely inelastic and both cars quickly cau7 gyh.t 5acjz 48lz0vme to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a snvrf gaypp- x21a *m755oxg.qystem of particles.

  What is the momentum of a 2000-kg truck n8gw-m)6be2h(o3v,xdji i tw traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What islca,fnf-b 8l7 the magnitude of its momentum?fcn-78, f lbla

  A ball of mass 0.10 kg is dropped from a height of dr(sg)a7cj8ktrv8- - fplsy4 12 m. Its momentum when it strikes the ground isga4r7j(fpst 8cdrs -v- )kly8

  Two identical 1500-kg cars are moving perpendicular to ea tf9k7 d(rde2mch other. One moves wittf9re md 2d7(kh a speed of 25 m/s 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 30 m/s, strikes a wall an 8 toqnlucainw*63s)e/bfl+,l-iqj6-xc; am d rebounds at 24 m/s. n qafj te6n*/+iolx w m-csul36),- ;q baicl8What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed :ys8cqo(ql j3s umq fn1z1g* 9of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What is the osm(jqz 1*8qn9 ylfqcu1g:3s change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed onwva31ywry. 3kf*toq( a frozen pond. The machine fires a 0.40-kg baseball *wty .wv3 (a qry1okf3with a speed of 35 m/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 space capsule and is stationhyxek/t 1mr8d ,jl ,r9ary 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 thejd,h/rmk eylr8 1t9x, capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0d;w,h2/0 nlyovs) tvt kgm/s approaches 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 magnitude of the large object's momentum change? vho tynw)sdl0t ;2,/v

  You (50-kg mass) skafw4fy2xu6s( ate on ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both movef6f yw4ux( sa2 off together?

  A car of mass 1000 kg moves to the q*sf lpo//40-hlulm vright along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorc *mv /l4l-pq0hlfs/u oycle 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 has avc c- mg,(e8nojf;af4 mass of 1500 vjc;e,of-mgfa 4n 8c(kg and they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level t/ehdr) j9r( 4r8vht/;l a d rzqul+hn.rack at a speed of 2.0 m/s. It collides and couples with a 50,000-kg second car, initially at rest a r9 8ezthlrj)(/r /rudhald4.;+nqhv nd with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a ho fqdarx7t0ug -*:deu2rizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0 m, and lands in ert:0 a72dq*-ug ufxd the car. How fast will the car be moving after this happens?

  A 60-kg person walks on ambehjjta;h1 rk5x :ig4+; aw8/ bq xh2 100-kg log at the rate of 0.80 m/s (with respect to the log). With what speed doesxjwmeb8h x :j5;+2qa1agtr;b4 h/hi k the log move, with respect to the shore?

  A 4.0-N force acts fo)y0v;. heqfcd2zm*dn r 3.0 s on an object. The force suddenly increases to 15 N and acts for one more second. qy.02 c );e*dfv nzhdm 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-k,:km+pbikbb pxwv: (j ;njj5 /g object. What is the object's cha jivpj;+(wm,kb/::bxj pn b5 knge of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, cw j ;g4.i l,vriz1g0ngollides with a brick wall and comes to rest in 0.20 s. What is the average force the car exerts on t 1 z;w4ggnvir0ig.l,j he wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along the 8c5jlr(1yakfsame path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magnitude of the average forcec 18a r(5ljykf the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The spe70 m z)-4knv:d8jjpu utx zzn-g/nuv* eds 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 bal ) g nt7kunj48p0- jmz:vvuzund/* x-zl 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 ajnb c,0 4 ze1yi)piga2u/lsn. muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gylcza 1/jeun pbii) 0s. 2ng,4un mount?

  A fire hose is turned on the door of a burning building in ordqkzfl of;4x(4 er to knock the door down. This requires a force o4z k x;fof4l(qf 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 +rv c3 y2(lvo4 cfss5zdrainpipe at the rate of 120 kg per minute. It falls c+fv4 ly52o sr z3vc(s3.20 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 m/s 06 ql*p6+h,bv yd ai7ncv etuso,-*ho after 3.0 s, when fired straight up. What average thrust force doesvl u,t6qhi*e 07ho , dcn6abp-+*oyv s the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, (t/n)zr:mfc qare initially at rest in outer space. They push each otzr nf:mc(t/q )her apart. What is their 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/s. It collides8f,:u t va;css 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 8s v;ctau,fs :the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +xmlik6- ,-*mj :y k/ vycu+rcv byl)ah* direction makes a head-on elastic collision with a 0.15 kg object y ry kk:,)vlb6m jv ua-lh*i/-*mycc +initially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. Thewe5 sav5z kt;vnk.p 9- bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What s. tk; va -9zpk5nev5wis the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by 9pm0b r5 zvmr)an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will the alpha z0mvmp)5 rrb9-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 stat8: r:vyaxdixa*6g8fe2 s dsq)ionary ball of mass 100 g. The collision is elastic. What is the spiqex x 86sfy8:adga)vs*2:rdeed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s collidejx;xi egs5k7: s head-on with a 200 g ball sitting at rest. The collision is perfectly :5 ; ijxsxegk7elastic.
(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. In l5e9pn( 5g kr7howa6t collides head-on with a 3.0 kg mass at rest. If the collision is perfectly9k5 ep (l6gwron7n5 ah 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 collides ykw zdp751kw:jz 5p +yhead-on in a perfectly inelastic colliwk7: p 515y dkzp+ywzjsion with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, travel bpyr,m 2nonj(o, f4g-ing with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy isr 4 obpj2f,,ynogm (n- lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itsnhbn1kjc yb4:,o8uz p42oba ; yz,;nielf in a 2.4-kg block of wood a rest directly above it. As a resuuoz h bnynn4z o,y b4;8;2a:1icj kbp,lt, 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 ,8)tv 5yqvfgis(5y avat 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. 7-1.) What is the speega qty,ifs8vv5 vy)5(d of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides wi n/if:hlx -5+hxc3grjth a 3000-kg car traveling nh g-/f3+xlj5cr x: hiat 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Objs*tuilk - 4o-ject A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. What is the mjl-o4- *utkisagnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg(uo8 :*ku csj:3hphon, is moving toward the North with 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 of 1.0 kg. What is the velocity of the third fragment? (Ne::c8 n3op hh ouuk(sj*glect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass e18)gex bv;ipal+mi- sits at x = + 21.0 m. Where is the center of mass on the x-e -va;8x+) pi1 eilbmgaxis?

  The center of mass of a two-particle system is 6v ;vh*s/ aqncat the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is thc/ svn;*q6a hve location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg a08- rmsn aemu-t (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg a0m8ms naru- -et (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 37c3 jf omo62fk7.hjpb.0 kg, are located at (0, 0), (1.0 m, 1.0 m), anjcpfjf7623 ok7 . ohmbd (2.0 m, -2.0 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-kk v 7 4+ds h1ms9wxa;p5q+eefwg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the wsq4; ++hk7 es1f eaw5vpmx 9dcenter of mass of 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 lus umd 353(ld edq8t:aeg including the foot when the leg is stretched straight out. Assume the person is 1.60 m tallm a(ul3q d e:uts5dd38.