What is the SI unit of mifo k)3con6*x omentum?

  When a cannon fires a cannonball, the cannon will recoil backwardkg7f;( mr p qll;e5n5x because the

  A freight car moves along a frictionless level railroad track at constant speed9taw.*tg7 w j +wuc/.vgci6r qc;3hxa . The car is open on top. A large load of coal is suddenly dumped into tjcg .chavww 3g+6a;wr 9/. xu*tcq7it he car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on fvz6k xq5r5m .grictionless ice. What happe5m .qxz5g6 rkvns to the velocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown with equaicz ll0r9ca wj;,aa,1 l 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 experiences thacj ;i,,ll z1rcaw a90e greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would you lc* m1r-xjamg.ub /b4 represent its kinetic energy in tmr g-*bbcu./ am4xj1l erms of these two quantities?

  If you pitch a baseball with twice the k v,lxfk20kw2ak): y jyinetic energy you gave it in the previous pitch, the magnitude kxk w)jkyv2yl af2:0, of its momentum is

State Newton's second law in term-oe* my.+o*gvsj -zq ls of momentum.

State the law of conservation of momen)zz,.c qm0 xpook9m,*4 kterhtum.

  The area under the curve on a Force versus time (F vs. t) kup .abf9d (q9graph represents

  Which of the following is an accurate tkn5 w4kt:v3g statement?

  A small car meshes with a large tr zhsw vub-9-4ruck in a head-on collision. Which of the following statements concerning the magnitude of w4 hs --rz9bvuthe average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropp0nfff-*o +q nked from the same height, and -of0qn *+n fkfrebound off the floor. 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 of 4 m/s, coftvc8ncb1 d4(q 62xuullides 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 duriqnb xu 421t68ucd(fvcng the collision?

  Two objects collide and bounce off each other. L51z (usg*tzjj s n1z0iinear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on withk9 k fj4voke3. a 6.0-kg object moving toj3kfv4. k ke9o the left at 2.0 m/s. Which statement is correct?

  A 100-kg football lineg(ueq cw loxf+ 1fy6hl:7 /)wfbacker moving at 2.0 m/s tackles head-on an 80-kg halfback rx: ewcq1)(f6yh+g wfo7lufl /unning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, -+v jyxggu)w3 if the momentum is conserved, then which of the following statements is true about kinetic -j 3wyg)xgv +uenergy?

  When is kinetic energy conx6tedibl afzh9g9q/:9r5)i v served?

  In a game of pool, the white cue ball hits the #5 ball and stopsc web)(thdlhshf1fd r .(-o:g hp+-*a, while the #5 ball moves away with the same velocity as the cue bal p* )-gh+1:w -hhfbhar sl(fdc(et.dol had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides with a heavyc. 6wd4nxh8 fy nq+yxq.qw4g: exercise ball at rest, the beach ball's speed after the collision will be, approxim y6nd .q: w qwqxy4x8h+ng4.fcately,

  A golf ball traveling 3.0 m/s to the right collides in v yg(s8+ :p;uobuh,xxa head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the spe;p,vhg y(bso:x+ ux8ued of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collide a0v2,t/2rjd m -fsagi1p;x zbs head-on elastically with an identical ball jp1f;a dxrgm i0s2 -,a2vzt/bat rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light objecb.t+v1e kb yjdwaz4i-6v gq* 4t 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 aftwaj-kq+y *i g4bdz4 vbt e1.6ver the collision?

  A very light object moving bt :;ghpb4o-: zra/ rhwith speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastiarh:bzhtp/4:obr;- gc. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on withn 0ypkvb) q(jr:ecf 31 a yellow ball of equal m3v1y:fj )qpbcek0rn( 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 with velocity v c yn/lv2 t)ny;g3 qvjg9ollides 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 down. What is t3nvj/9qgl gy2t;yvn )he speed of the light object after the collision?

  In an inelastic collision, if the mom xf aebnc1+, p--wjz4lbzl-7t3 p on+tentum is conserved, then which of the following statements is f++-nanxzbc p4otj lble-1twz7 p-3, true about kinetic energy?

  Two objects collide and stick together.)v ,wm5 bqx+ej.nqql6 Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perf m2d e++o) 0hjiphhp7yectly inelastic collisionph+7)pi0 +he2ojm dh y 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 sticks. Whvaquvk8k1 f6(pmq9,w ich object experience qmf6qp1 vwu9vkka,8( s the larger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is deflected at a br 6c -fe m(ro+jf5n4h$35^{\circ}$ 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 :d .i7ltx hz 7gu1f fp2*qh*zm 4;hboynj6 bi8following statements is falsehqt u:i hmh;1xd.of74 yzibf gj6n87b*p *lz2?

  Which of the following is a false statemm-nbu0 y1t u,b v1dexf0hq25v ent?

  Tightrope walkers walk with a long f* .y qo6m p,mrp8w, kic( )j2zsud*gcelexible rod in order to

  A plane, flying horizontally, releases a bomb, which expn2)v1mz avg0ilodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the explo2vg) zmva ni01sion

  Two cars collide head-on on a level friction-free road. The collkku9ijfyd9,ib.kv2 -+xq bu 5ision was completely inelastic and both cars quickly came to rest during the collision. What ib 9,5ukfky b29dq juk- +iv.xis true about the velocity of this system's center of mass?

State Newton's second law for a system of pa--gid u- gjxb;rticles.

  What is the momentum of a 2000-kg truck traveling at wlm39kos5)m: imek9f )2gov d 35 m/s?

  A 1200-kg ferryboat is qjj,s1hz rn,b/r4h /t moving south at 20 m/s. What is the magnitude of its mome4 tqrhn,j/,s/ rz1hjbntum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum when it s1/xc3z mv cwm:77lc wwtrikes t37zcm:1l / mcw 7vxwwche ground is

  Two identical 1500-kg cars are moving perpendicular to each other..2 ,uaq, vfb w1p4xj9ctzsk- e One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the total momente.t9-vuf , wq aspx2k,4zbcj 1um of the system?

  A handball of mass 0.10 kg, traveling horiei(74cavmwjae;gbs/u--- dp /ob h d lh3we/2zontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change-uve 2mw4d/ jse - b- bep7gilwhdh3ca/;o/a( in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a spee;6f cw4bngyg)d of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/snwcf;4 6)yggb . What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond. o, hd 94lf5;4dr whnbwThe machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontaw4obwn59 ;hddlh ,rf 4l direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is 7eke 9/mg:.br qsddr9 space-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he td.k9r sm97bgr:qd / eehrows 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 capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large object at res-gum0( xj cee7)yiazi6 7lk/c t. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large u e/gm7c(0y6cli x)zi-eakj7 object's momentum change?

  You (50-kg mass) skate on 76fw uzon; ,mn;3h.9kfrvmjr ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while m z7, nf3vorh;9;jmuf6.r knw 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 roady tr3fm4 :2tum at a speed of 6.0 m/s. It coll4 rt2:ufmy mt3ides directly with a stopped motorcycle 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 thatclu6* kr miw,: has a mass of 1500 kg and they stick together. What is the speed of the cars after the coiur,: l *mwk6cllision?

  A railroad freight car, mass 15,000 kg, is allowed to wbzmvyw8r +;6ha,+dl 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 syz bw 68wlva+r+,hdm; peed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a horizonta.6oy+o c/cc4vmzb (/n*v xdowl track withvc y/o*6mnco4(+w b zd oxc./v a speed of 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 rate of 0.80 m/s (wita hh;3:nijr* yh respect to the log). With what speed does the lo yh*rji hna:;3g move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The w7ayle8 6 giy(5p 7b30y+ 6w;5 lbrzhgenju dlforce suddenly increases to 15 N and acts for one more second. What impulse was imh wyu(bwg6liea57l 6583 +p ;7yrzjeygl0dbnparted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. W8dad)en*b sj: hat is the object's change of velo*dbd)s8a e:n jcity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wals)7d;f 6 :rq9bb kt,q+2 bwgq xqfdj,gl and comes to rest in 0.20 s. What 7 fw:j9)gqd;rbdqk s6ft xq +,2gqb,b is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 d- 5th9kf6iz zm/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball d6kzft-5h9zi for 0.10 s, what is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the bauau5t 05 zpan5ll 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 force exerted on tz5paau 05un5t he ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, w4s-ceyduz):h+ g8 ywwith a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force execs 8w e):+-gwy4dyzu hrted on the machine gun mount?

  A fire hose is turned on the door of a burning building in order to kntv-)x8y3a.)gd f vi;;(jzz lzq pi m4dock 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 streg 8z 3 m;lzix(dq-izft.v ;d)4)pvjay am needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal se/sh+18w)u yxr, gxkdrainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert s yge)kr x81/+ xsuhw,on the ground?

  A toy rocket, of mass sw6os,et c/nn/9 w)ebgi 1y :c0.12 kg, achieves a velocity of 40 m/s after 3.0 s, when fired straight up. What aver, yiectbn o6)sc9 w/:sgw/ en1age thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer 9 kjvek5;vpn( space. They push each other apart. What is their separation after(pnj 59ke kv;v 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 collidejx t2e82o 9t7,fj sot 1gceno(s 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 energy1 tecot7t9xogj,(efsn2 8j o2 after the collision?

  A 0.10-kg object with a velocity of -;:+b :c v,jb; g9hc6/diy tmd3uevmotnj xq90.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of tb 3/:t9nvjxddtcmh+ v-9q ; m og:c b,u;j6iyehe 0.10-kg object after collision?

  A 10.0-g bullet moving at 39l zafyde.ov.y5 u3;d,nsj- d00 m/s is fired into a 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 of ty,.dden v ;35o- jd yufals9.zhe block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-partic7-flmey4c5vjc ao8w5 le (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, y w8 oc4jame57v-cl5fwhat 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 ball of mas a8pa9f/h egcmt58e5k s 100 g. The collision is elastic. What is the speed of each ball immediately after thk8faag eh859m5p t c/ee collision?

A ball of mass 400 g moving toward the gcg7w0,l1u wdeast with a speed of 3.70 m/s collides head-on with a 200 g ball sittic gwuwdg0,l 17ng 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 nym.xxj6( ,byb1wr,ra speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after the collibnr.6, x j1xwby(r y,msion?

  A 2.0-kg mass moving to the east at s-zackw9a1 ln .t(1s la speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?a1(csw -1 az lk9lt.ns

  A car of mass m, trav r*a9h/k-io9 ysxj:gkeling 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 is lost in 9y9 aksxoik/-r hj *:gthis collision?

A 15-g bullet traveling 213 mc(r5t; 5ku6lj94dta 0n dfa ug/s in a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves vertically adrkgucat;f4905 (uj tn6 5dlupward.
(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 xjd lojmokr5t7t5 m0aj3 *u vcfp()0- car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-mor0uat)c oj 0*lm35tjvx5 p7dfk-( j1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/hllr0y.4lst clgt7:oa fe r-(( east collides with a 3000-kg car traveling at 60.0 k.l lre f:y ts7l(l4grc-ao0(tm/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. Object A moves east witlzvw4ov q8g t9 8j5;flh a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelasv v5; 8z4lq8 ofjlwt9gtic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving j4ru js g6*;tm(ukc91 ;piptxtoward the North with a velocity of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragme;p mtgj96ji(ptu *xu 4;1cr sknt 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 s-f jxxul0+p6w;,s2ax.z tc2q d yi:ov its at x = + 21.0 m. Where is the center of mass on s 2fcxqwxpo;:yi-6,luj0a2.dt vz +xthe x-axis?

  The center of mass of a two-particle system*,jktjdh3 s* ;4dcjrm is at the origin. One particle is located at (3.0 mmdk;,*c*hjrjts43j d , 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.wni8r i5p5tpws5x4 0k0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the cen5wrnsi5 pwtxik8450p ter of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.mib5 ;w1k/ buo7xv2zk0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. wm/ i5v7b okb 21;uxkz 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 m qd-lf.saa/vod4x 7* aass 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 orig*./d 7aavaqosd4lxf -in, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a ceuxf+1g6z t3whole leg including the foot when the leg is stretched straight out. Asu 3+61gxzfcetsume the person is 1.60 m tall.