What is the SI unit okhgv4bwo8z dl 6s6: )bf momentum?

  When a cannon fires a cannonball, the cannon will recoil bacaklo:k z qgjpzz ce+x4.)hbj8,w80f:* t0s xckward because the

  A freight car moves along a frictionless level railro84oy * (2ipf9g6vew v(za1i rj*8vxigbas4idad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the cap1469ajo(v*igdi 8 iev (4xgrvbwsyf *2 aiz8r?

  A child falls sideways off a sled txz6 hfq98p0g while sledding on frictionless ice. What happens to the velocity of tph gxz 680t9fqhe sled?

  A rubber ball and a lump of(zws-bsn- +. 8qnvjht+oy3t c putty have equal mass. They are thrown with equal speed agay8wvz-s ( s o.bnq+3 cth+tj-ninst a wall. The ball 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 a momentux4g vafrg5, 3om p. How would you represent its kinfag3,5go v xr4etic energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic ener e,+ tfk0 *tne.kba- lly 8/y3xq8kbrggy you gave it in the previous pitch, the magnitude of its momen ye8/,r0. 8nya tek*q+bkflktgl 3b-xtum is

State Newton's second law in terms of momebz8b s rq)yv50ntum.

State the law of conservation of mjkr0pvp (0z: comentum.

  The area under the curve on a Force versus time (F vs.gf3.jaicv .wcv e (;7f t) graph represents

  Which of the followin6d8c i;5bspyw g is an accurate statement?

  A small car meshes with a large truck in a head-on collision. Which of the follo1d 3 x:tlu9,eo*suw dowing statements concernd3 sul, dxt o*u:1woe9ing the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the sa- xdbiade 1-upw87,;/r plen pme height, and rebound off the f, 81-d di- ;br7x/wpepln peualoor. The red ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed ofw9 g .-rc- e(lgltf9wj 4 m/s, collides with 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 the greater magnitude impulse during9c(wwlfl-e-9. jtgrg the collision?

  Two objects collide and bounce off each other. Linear m) 9f e.mtprit0 tm89uelw* 7dcomentum

  A 3.0-kg object moves to the rigx1wow(;fvph j*ei:r9 ht at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statemen:virhe1(9xw wjpo *f;t is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg halfba.e 0mfx9 p;y j/*iw5 jl1zmxcack rzy jam5pi xcj0*. x;mw1/9l feunning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserv; lw)n9yrnh- led, then which of the following stat nlw 9h);ln-ryements is true about kinetic energy?

  When is kinetic energy conservec,h s;v7cml (nd?

  In a game of pool, the white cue ba2 n ao.gw81oyf e.v:*ud-qakzll hits the #5 ball and stops, while the #5 ball f-duay8 eoongaq.1 w*.vk2z: moves away with the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collidie5ws 4is*2c:5yaad a es with a heavy exercise ball at rest, the 2c5a 5*4asdeiy isaw:beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s tqan8um,f 12 cll;pju1et1rz5 o the right collides in a head-on collision with a stationary bowling ball in a frictionju8f;pnl 1z,tq m21l uea5rc1-free environment. If 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 elastically wito w*l76ncd0 zvknr)6 gh an identical ball at rest. What is the speed of the initially *6vrdo 0zl g n6kn)7cwstopped ball after the collision?

  A very heavy object mu3f9vf g4s1t bcez 2i8oving 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 speed of the light object afte vb u8sfzf3egi149 2ctr the collision?

  A very light object moving with speed v collid;w7m2fr y3 auhes head-on with a very heavy object at au;fmyh w2r73rest, 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 ofi: 7b(ff tok;b +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. W:tffo bk i;(7bhat is the velocity of the yellow ball after the collision?

  A very heavy object movi8 qak7uc:+l92+: k mrm0wuvo cphlhy+ ng with velocity v collides head-on with a very light object moy7u+qa+ lk puk2 hw+r8:0h m :colmvc9ving with velocity -v. The collision is 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 momentum is cw8f.)+qkzjhfbbc u8 4onserved, then which of the following statements is true about kin) q4+f ucbk8.jfbw8hzetic energy?

  Two objects collide and stick togeth w s9z00t9tnc4hujk/ter. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It m,fgy u:8ju-gi*89 )1b5lckxavezokcollides in a perfectly inelastic collision wiu,i ) gk gj8cv1blam9yxfo:5ke *8z u-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 object and sticks. Wnn-: u64xczc6sg j nc9fw3d e6hich object experiences the larger mnf4 6dencw zu6n3 9:-6cxsjgcagnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is defli/2h;kaku5kb. e2-ggg8ey8ge a 4qalected 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 follow81 z-bpqut *jofcpo 88ing statements is falseo-u fo b8j1cztp8 q*p8?

  Which of the following is a fa: a4qawwx0i+slse statement?

  Tightrope walkers wa ys7amcoy +hxu((j t/4lk with a long flexible rod in order to

  A plane, flying horizontally, releases a bomb, 7g,y6a7(dodq 4wwg- xx 5 ovjuwhich explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the explosio,xg5uxvg 77aoww dqdj y46 -(on

  Two cars collide head-on on a level friction-free robp tz3:i6ph9b t): qkkn9) dbgad. The collision was completely nq:)bkg3t9kzp9 bp:t6 )dbh i inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's secon 30bg6dg sgt-*+r jyzkd law for a system of particles.

  What is the momentum of a 2000-kg truck traveling at 35so* 7hxpr r uj+kw/f3ne n.8i+ m/s?

  A 1200-kg ferryboat is moving south,avg7o 7:fu;hmpj v q. at 20 m/s. What is the magnitude of its moment a:v qgov,uf. j77hm;pum?

  A ball of mass 0.10 kg is dropped from a hefu f hl.2c-z0cz6xg mk 4+6cmmev*vr/ight of 12 m. Its momentum when it strzzhf- umk .cxf6l* +2c/emvc4 mvrg60ikes the ground is

  Two identical 1500-kg cars are moving perp7b2b+(kj1emtsptqwk :sg :3 r endicular to each other. One moves with a speed of 25 m/s due north and tg1 2 rbqt3t:jmskbk(7: se p+whe other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizo,vggjq9n lac/ k)p;vzqp37g 7 ntally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the changeg3a)kvn7 ,q jgpqcv lzp;97g/ in the momentum of the ball?

  A 0.060-kg tennis ba55ijqj 7v5p well, initially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the 5ew qpi557jvjopposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the s6jv.x,s 3a3sl;g)7 *-jl 5vysy /gt qtiitzf baseball) is placed on a frozen pond. The machin qtls3vg yvi56itfxj3s7,- zt*al y) ;.j/ssge 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? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule slp5bbd (0/hlvn6qg 2/bo g(wand is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg spacnlb( dq(6bob/p02g 5hs /wlgve hammer at a speed of 14 m/s away from the capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large object asjul/ 8)3hph5vl248 :p k vmlei.fu r.6ewa qft rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the lf2)pu.m/8 4ve8e3fp6 hv.5jruiwq l:sk alhlarge object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kg mass), who i*7tisk 3v 2(dwfn9drr qeq+6is standing i2 q+nq*v6if( 9kw s3 d7drtrestill, with open arms. 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, straight road at a m,8qk 7dsqht wd1xyb 8-84vmsspeed of 6.0 m/s. It collides directly with a stopped motorcycle of ma888kwqm b x,svy4 d t7hsqm-d1ss 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the iqw 411g8be-u upn7threar of a stopped car that has a mass of 1500 kg and tpqbuw-171 tun4i gh8 ehey stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coastz.w id3s2v.,fnqmc)sl 1jz -m along a level track at a speed of 2.0 m/s. It colm jcqzs)m-dz f ,s.l21nvw.i3lides 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?

  A railroad car, of mass 200 kg, -cvur9q7d c0hglae3uzu0/k . rolls with negligible friction on a horizontal track with a speed of 10 mcd370/.0 u 9 vl augzhkcqe-ru/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 zlt99 y.x , pb20hyhmmrate of 0.80 m/s (with respect to the lol y.bm9xyhhmp92tz , 0g). With what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddencax:0t- cko )xly increases to 15 N and acts for one more second. What impulse was imparted t xxk-:c0)oacby these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. Whatb ,,f9aloa a/d is the object' d,olaa/fab,9s change of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, lq65,e fr5 cc qczu0a,collides with a brick wall and comes to rest in 0ce, f5q lauq56ccz,r 0.20 s. What is the 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 ba( 2zlyv:nri9s)5vl wuz vl8j3 ck along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magnitud28v3 us(vwjz9yv) li: r 5lznle of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. .;trbn. q lm.(przaa: 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 avpb:t;ml ra(qz.n .r.a erage force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets tg(bqhn9l w;-pgoeu*b b-k8 9, with a muzzle velocity of 750 m/s, at t-be9g9t8hou b*-p;g qnw(bl khe rate of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on mqlq1 73;tq z x)sowd8the 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 the minimum velocity of the stream needed, assuming the water doesn'tdwm );3sz8 otqxq q1l7 bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per )iqdja y :n41hminute. It falls 3.20 m to the ground. Assui4: yh jqand1)ming 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 ve +qz2cy7c:1x4g5ld ia h/z bjnlocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force doe+n q/1dhig 4xb2jy5ca7 cz l:zs the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rel 1w ht65he(x0)q0otqdjd( ho st in outer space. They push each other apart. What is their sepahxewoht1h o5(j(6 0 tq0 qldd)ration after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves todpwrmkc,d* 72p r 4(ca the right with a speed of 2.0 m/s. It collides in a perfectly elasrwr p mc4,72p( *kcddatic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 me3crba0m2/ vz yyl9u+ /s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. W9 ya+y3rl v/0z2eum bchat 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 awg;/, ld6-u zk4qt uqh 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the bt /uzug 6h,4q -qkwd;llock) with half of its original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpvg)n51x,el : vi+ bhdw)m7ekuha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completelwe5dnbem xg)1)v vi ,:lku+h7y 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*jztqihd- ;bx w/q4ndd1tku*- g0vo+ collides head-on with a stationary ball of mass 100 g. The co1td - *+bintq*xku0gvd 4-o;/zwqdh j llision 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 speed of 3.70 m/s cosd ,lvuh03 ,z 7xkv:ukllides head-on with a 20,z v,7kuvxd s:0lk3hu 0 g ball 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 5.0 m/s. It coc0pbsuv*2c d8:i hv)hllides head-on with a 3.0 kg mass at rest. If the collision is perfect c*b)8 h2h0dsvvp:ciu ly 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 h*(6 y ii 7x6xw7itvbow bqsn 27 2)pg4,sxatqhead-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinety,haiqpi iw 7)xbts*xn76 x svwto264 bg72q(ic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parked station wagoni9odu), rp 22y-ppeb x, 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 22budp e9 ryp-o, x)picollision?

A 15-g bullet traveling 213 io.t4/nk,:nmv, rbi dm/s in a vertical direction buries itself in a 2.4-kg block of wood a rest directly a/i nm.d4i:bn, k,tvorbove 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 collides with a 3000-kg car travelingbfjp oab3k4 nj9 8;uchr2)rl, at 60.0 km/h south. The two cars stick together after tokjur2,pr ;nlbc4h8j b 3f )9ahe collision. (See Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 kuwjcq-x - ry0/flxh, v5v; ;wim/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 direction of motion v0;l;-w x xwhj5-i,q/yru c fvof the cars after collision?

  Two objects move on a level frict,t9dun p:,xf25rrc hyzqmm s3 -g16pwionless surface. Object 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 magnitude of their combined momentum uq36wp,m hr mycxt25z gs :pn r1df,-9after the collision?

  A small bomb, of mass 10 kg, is moving toward th)zw 3v)jxgre66zgga0/h gmu. e North with a velocity of 4.0 m/s. It explodes into/ wjz z0gghm v6gg.a6rxe)3 u) 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? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at x 0 qftp0xc r(6v= + 21.0 m. Where is the center of mass on the x-a cpr0 0tx6f(vqxis?

  The center of mass of a two-pa7/z j 0lr6krqnrticle system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.jq0z/ 6rknlr7 0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: -dto) urm78/op p dw0v 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg atuop7)w/p dm08 td-orv (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)gploxpi ( f;l7 rxu 7mh( (y0:n:qmu4/ei-exq, (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center 7ol0(4(q7-xu i gx:xrmpi mylfpu/eh:q( ne; of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is positioned at (12w:/ws x5grgo +j gdtwu(n w(27, 0). What are the d5 (gwr2 gg7ut: (owx wsjn/+wcoordinates of a 4.0-kg mass which will result in the center 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 leg incl:a(g81besjoj uding the foot when the leg is stretched straight out. Assume the person is 1.60 m1(aj8s j: oegb tall.