What is the SI unit 8 kheft*hspo w 2k(.p,of momentum?

  When a cannon fires a cannonball, the cannon will recoil backward becx(:-lztw7ke/j w *bzt ause the

  A freight car moves along a frictionles5nv:ma d qnbhhvn;r-h2 a +h-0s level railroad track at constant speed. The car is open on top. A lh2-nv+dq a:0;hamb r n-hhnv 5arge load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways offsv2y1tm.s. ic a sled while sledding on frictionless ice. What happens to the velocity of thet2y issm.1 c.v sled?

  A rubber ball and a lump of putfjnlrv 0f 53e+ty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with5j3l n0f vef+r which it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is m1(l2atxdj +*z mku+ phsh m)w.oving with a momentum p. How would you represent its kinetic energy in terms of these two quantities?+pha.dlwk 2)t(1m +jhm s *uzx

  If you pitch a baseball wiymyug 8 5a7-;flv.yugth twice the kinetic energy you gave it in the previouy;.m 7- agvl fyuy58gus pitch, the magnitude of its momentum is

State Newton's second law in terms 0.qj7*s g+6mh jqb. u/qspuwvof momentum.

State the law of conservation of moment (j f6fukai;c;z8vfwme* k)b8um.

  The area under the curve on a Force versus time (F vs. t kx c1kc4:c8ptx 2bxkgn87 l+u) graph represents

  Which of the followinhsjrfwc9e li)im, f + w:b2s31dk/y5r g is an accurate statement?

  A small car meshes with a large truck in a head-on collision. Whic*m( 221 ca tdibmbypw 9o dz-x4qc7tp;h of the following statements concerning the magnitude of the averagd; i91t(p-ct2ymq bw* adzboc74p x2me collision force is correct?

  Two equal mass balls (one 5j rd rub fa:ije0wao(0)d29p red and the other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a bofrj2:a 0d5 0u9e(pd )ariwj higher position. Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball movinub1y+p7tfq qj+2 j 2wdg east at a speed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, fjp+7y2q2tqu jw+ 1d band the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and boq. v11:r2pheyxmo ew bs: qw)p2gh3 3wunce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on +sryfck;8tx qsf6 w-8with a 6.0-kg object movi 8w6syf8tsx-+kf;c qr ng to the left 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 4-jkl70 smji h)rlg :uwf+x4hhalfback runni u4 h0wsij)fr4h m+- :lj7xkglng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if thezx xyd 4oov+:t3tg .z1 momentum is conserved, then which of the following statements is t x. zd:yto3v+zt4oxg1 rue about kinetic energy?

  When is kinetic energy conservedvu( (to2yrs l n-7-:lb-igjxk?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the #5gs9y1- hap aj:gi4.opg bd -w6 ball moves away with the same velocity as the cue ball had originally. The type of collisiongoi.6a9-pjb- gsp 1 w4ay:d gh is

  When a light beach ball rolling with a speed of 6.0 m/s colli47 sj,dyvx6 (cm+ lsspdes with a heavy exercise ball at rest, the beac+(7l6 x dy4mjsvsc p,sh ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the ri/7tk 8rb+ cfpight collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed ofk pbit r+f87c/ the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on e9 nnxz q wzr sd7l;.rh.:zx,a+fngl-5lastically with an ident fnrs z;+: nd zl7r.5xn- xgz.hl,qwa9ical ball at 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 lig3g/0u,j rw9fbh z;xuw ht 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 after the cbz ,;gx/ u0wh39rwfjuollision?

  A very light object moving with speed v collides head-on n2rynlyp:9j/ se c,0 rwith a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The sp 9yl2snrr,c0jpne:/ y eed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yello .ab/tj n5 a.bhlm)sq6w ball of equal mass moving with a velocity of -2.0 m/s. What i6maa h5bqsj.n /tbl) .s the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on/+spp 0zdgwj6xy 4k klrqj8,7 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 the speed of the light object afte, g/+ 678qxjrl wp4 yd0pkjszkr the collision?

  In an inelastic collision, if1,bah:0 9gzczyn0 hk y the momentum is conserved, then which of the following statements is true about kinetic en10ybn,9 z:hazh 0c gkyergy?

  Two objects collide and stick tog4 *j knp+;icbag08rgmether. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s r 3,fza9g 5,rqrmcx9z. It collides in a perfectly inelastic collision with 9gza3xc59rq ,r zfr m,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 colli m.l0 lj8b5;rrckvq7l des with a large object and sticks. Which object experiences the larger magrq;l7kv05 lbjc.l 8rmnitude of momentum change?

  In a game of pool, the white cue ball hits theozm6 4 (trdsj5 #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 pmlg qh 2n,x7 so8k-vr;g3vg0statements is false,2rno lkxgq- m sgv3hgv8p7 ;0?

  Which of the following is a false s 22pues4 sb 21 )okpcpakne(2atatement?

  Tightrope walkers walk with a long fle sntk ;*/k,tdnxible rod in order to

  A plane, flying horiz4mx vbzlvf2q40j 6td :ontally, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just xjzd2v 4q:fbm4 t06lv after the explosion

  Two cars collide head-on on a level friction-f bj8zlg.zc:8 2 xp9qqiree road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of thisp2zj cqlqzx. bi8g9:8 system's center of mass?

State Newton's second law fov(z wu0;e:t gnr a system of particles.

  What is the momentum of a 2000-kg truck tra g +rr-lhxxs .7gxn+a-an.ga5pt r 9b+veling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. Wha5*03-afssq5a eel9u s)jbv skt is the magnitude of its mom a 0e3j5b e5 -k*vusl9qs)assfentum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum when i(q2ytb2z 9pxfwkcu) *1y9qwmt strikes2u) ptcw2 q9fkyz1m*bwy9( xq the ground is

  Two identical 1500-kg cars l sux((k9e1 td8-jvrc8 (wzfs are moving perpendicular to each other. One moves with a sp1(v9 -8d j(l(wu szretkfxc8seed 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 horizon v/e oag qayc0 v8rqk-2bw c/6/oj2a:dtally at 30 m/s, strikes a wall and rebounds at 24 286/a q vacr/qcbd- o2jyg/a:weo0kv m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a s*5my jr *iy04hgk,l+k(lx3tz cvpwa*peed of 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 change in momentum of a*+ty*xi0 3j5l cyvlkm wk*z 4r,(pghthe ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frork;jybk9: 1 u bayg; 1 n5jbo9:lnaui*zen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the reyb j:rg1j95*u lna9ku:b oaik;1nb ;y coil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is spe bq-6x x(n;jxace-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.-xxnbq ;e(j6 x0-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 objec,;cp.i x ;0x:y9g rvy6.nki lzc4oz,lir u, hyt at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. Whatc y rl09xlznx4ruiy ky:h,i,;.vp gc 6;., ioz is the magnitude of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend1 9cn9ytqt 3ku (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both mo3 nkq uty99c1tve off together?

  A car of mass 1000 kg moves to the right along a level, straii6hfhsz 3wo24l q2*d ught road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after theui62w qd3fh* hsl2z4o collision?

  A 1000-kg car traveling at 25 mbyazpm:a l zb1- (/-yy/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars after the c- :m- z yy/(zy1paalbbollision?

  A railroad freight car, mass 15,000 kg, is allowed to coblg ;jft.18 vgast 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 o. 1tlbvgjg8f ;f the two cars after coupling?

  A railroad car, of mass 200ivox 4qao i6 6+:,hrzb kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. xrvi z 6b:i4qo6+oh a, 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-v+0 zgd(8j20ijvti r hkg log at the rate of 0.80 m/s (with respect to the log). With what speed 0j(zr h0vi82jdg+vitdoes the log move, with respect to the shore?

  A 4.0-N force acts fhtgbh* ke-sr7n0b925f-dl rb or 3.0 s on an object. The force suddenly increases to 15 N *52lbf r9s7gbdt eh-kbn0hr- and acts for one more second. 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-kg object. What isg9yw r;+vjfm ,k f0nr4 the object's change of velocik+,f;v9rjf40wrm yng ty?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a rls* nj fe+24ubrick wall and comes to rest in 0sju2r ef4*+ln .20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitche2e;v0m ,on-y r7phtuw 7zxc f)d to you at 20 m/s. You hit the ball back along the same path, and y-0v xzpoc ;7htu27,ewnm )frat the same speed. If 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 dropped onto a table top. The speeds of the ball right befor+5lnn iuzu dp( v/53e dwlp8-pe 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 thzuen(pp uw iv +d5-58 pdll3n/e ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle veloc32.8/ ita(njslw r.ql uwfs/s ity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exlsu/sfniw 2/.t8wqa.j lr( 3serted on the machine gun mount?

  A fire hose is turned on the door of a 2-i34xd tfwe uburning 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 mini3iw-x df2tu4e mum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at t92 .f-fi/o sxcj .r,f7xbxeddhe rate of 120 kg per minute. It falls 3.20 m to t .7dedx .2fs/-f coxr9,bxjf ihe 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 velok afst;zg+pjcn/-s8( *n 9ll ncity of 40 m/s after 3.0 s, when fired straight up. Whac9lga z t8nsn(*spj fl+n-;k/ t average thrust force does the rocket engine exert?

  Two astronauts, of massevwoba.lp6cc g) 8s0/jv,2/rum lxuk 1s 60 kg and 80 kg, are initially at rest in outer space. They push each other apart. What is their separation after the lighter astronaut has mova.upsl 0lvxb v8 m/ )rc12c,6 wgokuj/ed 12 m?

  A 3.0-kg object moves to the rjuonq.9qex)(l+9 yio8 v9hgv ight with a speed of 2.0 m/s. 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 ene 9lo9qg.)hn8 vy x+( quijve9orgy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direp2 5 gwzg5h*) ;ufqrbbe.gnuj 8v.rq/ ction makes a head-on elastic collision with a 0.15 kg object iuu*h2g.e 8q.q nr) b;w5vzj /fr ggbp5nitially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s8ji (yxzxohj 94lau av-91)jx 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 origina vajx4l j-ox1z)(9xh8jyiua9l speed. What is the velocity of the block right after the collision?

  A proton, of mass m, a(lvegm-nzhq q gk-88b 4xyb 5(t rest, is struck head-on by 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-particle have after the collision? (Assume the 4(qxmz -nk5hy eg8 8bgqvl-b(neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a staq)2 w;+rcoz6vta p0l ztionary ball of mass 100 g. The collision is elastic. What is the speed of each ball immediately after the co0o zr vq;2czplt6+ )awllision?

A ball of mass 400 g movinvise5m ck b*q-we-re/r e:r24j)nvs, g toward the east with a speed of 3.70 m/s collides head-on with a 2q4/b ewvrsc)-ne-vksr*ie5:,j r me 200 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/swhzw(h:)lxyi 9 *i-hp. It collides head-on with a 3.0 kg mass at rzixl9w*y i)(hwphh -:est. If the 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 collides ; bsxg56;c8 frteozo:head-on in a perfectly inelastic collision witzertf6 ;xsocb:5go;8h a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, travelin,u,t 6id k+ixx9 j.6qch, pu7xid9 g ij49geyng 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 exi+j dkt ig 7,ye,hg,ju9p .64xidn6xiuq9c9 nergy is lost in this collision?

A 15-g bullet traveling 2u 4ktg0 o- :8i9bxmsncc9.pqq13 m/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/bloc4 g9 pxqco:08qiks- tcmu.b9nk 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 90u(ce+ xuk96zw:q ttj,s kii9..0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after thtxs+q ui6e w9u 9zj(ck:ik,.t e collision. (See Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg car tr:.z1 v9nyafsm 6k0ob javeling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.)bjy .zk 60nf1:amvo9s What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves eamc9u(ix0yxj*u/ v* gcne;r:s st 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 after thv/u 0ex: u;cxncm*ry(js g9i*e collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of 4.0 xfn4 nqk96f w7m/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? (Neglect air frqw n4f6nx9fk7iction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sitj/tt 9xlps;7; qn :zyss at x = + 21.0 m. Where is the z j: ltx;;9ssp/nyq7t center of mass on the x-axis?

  The center of mass of a two-particle system is at the origin. One particle ih6z 3t47( mjoyv ot9bps located at (3.0 m, 0) and has a mass of 2.0 kg. What is th6(y3h pz ojb47tom9tv e location of the second mass of 3.0 kg?

  Three masses are positioned as follows:hj7qm 0)0 7 i4 wqs7wtkpy*rgmcbhl 3( 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of tb0cm*w h q7 q7 tm04()3wyjhsgrk7 iplhe center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, yqkhy;p5 p 0,y0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of 5ypq y;kp0hy, the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is po;k.q fg*5bacyar7 8axn ( lgzq75x ,aositioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in a *xq8g 7 ,nz7fak .;oa5qg(cylxra5bthe 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 wnr8nu9agnx5-u1 ix a9 hole leg including the foot when the leg is stren 85 u9n ni9-aua1xxgrtched straight out. Assume the person is 1.60 m tall.