What is the SI unit of momentp 0xoi ,sbl. uzl.,-fhum?

  When a cannon fires a cannonball, the cannomx0(k 7lb y:bcn will recoil backward because the

  A freight car moves along a frictioxwgqp9 gob*qgi-f).f9tn s 69 nless level railroad track at constant speed. The car is open on top. A lagt9o9gn p*s.b)qw 9 x6gf-iqfrge 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 s3hgxhut uf-;,c2 wfo2ledding on frictionless ice. What happens to the velocity h3g,ffu u ht;2cox2- wof the sled?

  A rubber ball and a lump of putty have equal mass.3+o (cfau t r4mv-*jyc They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed wi-*c yj3r+c(4vo tufmath 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 reaa zb23bcu )(bv /n,7x dj,53elmu ofepresent its kinetic energy in terms of z u3a 7aex3,,obl2mb/b5ndeju (cf)vthese two quantities?

  If you pitch a basebalsik6dha hny,kr 5erb uz93036 l with twice the kinetic energy you gave it in the previous pitchh9u, e a5 ynz6k3hdsrkb i603r, the magnitude of its momentum is

State Newton's second law a l0 *;w7i rob/n/ufmgin terms of momentum.

State the law of conservation of moon-6n)6c jrx4woen m +mentum.

  The area under the curve on a Force versus time (F vs. t)p rg+q y2b;u::sp30zj6 56lq gnvyumb graph represents

  Which of the following is an accurate 5k 3xhpagssu44ni,9 xstatement?

  A small car meshes with a large truck in a head-on col o8s0*xursqds6;tkn0 lision. Which of the following statements concerning the magnitude of the average collision forcdkt;rou8sxn0 s 0*6qse is correct?

  Two equal mass balls (one red and the other blue) are dropped from :iima;+lv fr5 , m4.h(cbyoedthe same height, and rebound off the floor. The red br(ebf ai,4 ;:cimh5. +y omvldall 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 oq/lxfv6-w h;xrvfd; 1f 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 magn 1dr6xxv whv;;/- lfqfitude impulse during the collision?

  Two objects collide and bounce off each otwx hn ;u2czr.dqn -:mk-du;: uud3su4her. Linear momentum

  A 3.0-kg object moves to the ri o5b5 tiafy5k6ght at 4.0 m/s. It collides head-on with a 6.0-kg objeyifab6k o5t 55ct moving 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 hz1nk9,gwlfe5 x sid7 +alfback runnin 91n5kwsigf+xl,7edzg
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momej qp7w- 7qi,xcntum is conserved, then which of the following statements is true about i7xp j-qcwq,7 kinetic energy?

  When is kinetic enera1 d-nvieg o:ii/l y9*gy conserved?

  In a game of pool, the7i/g1wyz msc.p) yr v: white cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had origi:zrsi/yc )71mp wgv .ynally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides with a heavh5 s yy dlvtg17*m7st*kfj5e:y exe1*ysk5* l:t5jd7vtf7 esmh y grcise 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 h .owg8*hgr:3b + ykhtfead-on collision with a stationary bowling ball in a friction-free environment. If:k *3+tor .8ywghghfb 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 colliduadbdlpk+ 6q3 . bdc5-: 4gsqdes head-on elastically with an identical ball at rest. What is the speed of the initially stopped ball after the coll3dc4 qbql5s:u-6 dgbp+add.kision?

  A very heavy object moving with speed v collidiprwl*ur 80 u d7;xwd v7v.6owfct.*ces 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 afterr6.luf0*u o.p; vtiww d7 d r8c7*wxvc the collision?

  A very light object moving with sp0m2on2 ,zk ectrlu,a 0eed v collides head-on with a very heavy object at rest, in a frictionless environme oc,e0l 20n muaktz2,rnt. The collision is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocitny) ) lxrjg myaxy6ys- ap(;cq/.5h(ty of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/(xacylt.-ayns j y)5my x6 h; gp/q)r(s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides fukqx0j*x(pihdn*7(,r w4pl head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barel,i*x(rfqd4jx hn(p7w upk l0* y slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved,zda 89gp zuokj )0il+8 then which of the following statek0jop)8a9i8z g+d u zlments is true about kinetic energy?

  Two objects collide and stick togn-v67 0p0 q/o rybxz lf((kzigether. Kinetic energy

  A 3.0-kg object moves to twg6 dpqbky)rwm.x jw 8 n2rtn479.7xrhe right at 4.0 m/s. It collides in a perfectly inelastic collxw.)xtw9jbn.78wr24q r y 6mdpgn 7rkision 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. Which objem(x ;vu/ q la**xugj4lct experiences the largex(/ u*4j*vm ;qlgxu alr magnitude of momentum change?

  In a game of pool, the white cue ball ,4;yulw22t(xrf;fr2n o hi sihits the #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 followincc6fhq *g7j wz h2mr,3g statements is fals,qc h*mcghwr736j2f ze?

  Which of the following is a false statemef0(ik6 /tvz9dqj)b vznt?

  Tightrope walkers walk with a long flexible rod in bsd)mr//4 eg p z+5h g1rqk9vaorder to

  A plane, flying horizontally, releases a bomb, which explodes befll mz omc 7etq0*bfd g0g.ogbok,252 /ore hitting the ground. Neglecting air resistance, thgfo/b l2c d702.lzob0mt,qoge*km 5ge center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The collisibc 5w.sq; wwl/on was completely inelastic and both cars quickly came ;l.wwq 5cbws/ 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 systtmm1kie))c, qwt* xp. em of particles.

  What is the momentum of a 2000-kg truc r68bw t:ftrhcmz, 48dk traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude of its momo 6rl. 3 :pm0mqsaolnr:x 4dq4entumls:rp:.4m qdl3qox o60a n4mr?

  A ball of mass 0.10 kg is dropped from a heightjv8i3jp:- a -x dcyut6 of 12 m. Its momentum when it strt6cy dipvxa- :-3ju8j ikes the ground is

  Two identical 1500-kg carshv2(s9eje. ) nx sc: e0lkgi)joj24 wp are moving perpendicular to each other. One moves with a speed of 25 m/s due north and the other moves ascvo)(9jpiense 0) .jgl 24hwej2 :xkt 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, travelikl9. gkgwojf ca7; 3g9ng horizontally at 30 m/s, strikes a wall and rebounds at 24 m/ggl97 a;f 3g9kwojck.s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a s+; fvf+7sc eb of4)py wy)kft9peed 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 chasfvf bcf+f4))yw7 ypo;e+ t 9knge in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozy6jhvqt(xx 1(en pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil spejx x1(t6q(hyved of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the spjy ze0u2 tzq +9(avl h*ocn0r5ace capsule and is stationary 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 5*z0ru yjh2(0 vq+n9t aozl ec14 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-ou uyr7d8d2lc(n 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 objy(u2l dd urc87ect's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (4g.szsqpl ya032s2 rbo 9: vzlw80u6ru0-kg mass), who is standing stirwp0l gs a8q v 309obr:u622s.ysulz zll, 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 az p ei6f bkqne.sy+db*m8z6/m6 - *aun level, straight road at a speed omq anzk68+*- .p b y66*bfmez sedn/uif 6.0 m/s. It collides 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 stop.w(a iymh1 kp63viyp(ped car that has a mass of 1500 kg and they stick together. What is the speed of the cars after the 1y k63(v imhppa iwy.(collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level track z17n9pru-nff-yso +k 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 th1 z -pf orn+7snyuk-f9e speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls w6avnl lh0s/( 6fvsw f5ith negligible friction on a horizontal track with a speed(/ vhwaf6v l5fslsn 06 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 mnc1 0;: ljiwigz mo((v/s (with respect to the log). With what speed does the log move, witmg(jlovwn(:i z1ci0; h respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly increases to 15zu:o x42b eps,hd9 0ij N and acts for one more seconbiu2:dxzp 4es9h0j ,o d. 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 obje5jorvvh -h/uok ;h/ q4ct. What is the object's ;-v4/uor k qhjh hov/5change of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a mw:un(m,k . .xcup8 azbrick wall and comes to rest in 0.20 s. : aw.,n8xm.uumpkz( c 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 b 1-s-,b) m xr.iowjpddack 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 magnitude of tbsm-id1w .x)d,pjo r -he average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of w4lk s+ +6 qg;nwy5kcsp upfui3 1m0w3the ball right before and right after hitting the table top are 5.0 m/s and 4.0 m/s, rf5 p6;y4kmn0psg3i suw3kw1+cluqw+espectively. If the collision between the ball 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 bullets0;m;cyf/*eet penl85m hx,02r hlas n, with a muzzle velocity of 750 m/s, at tex;m*mc na;8,/0ph5ens lh 0l2 efr ythe rate of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning buildinghfp8o1i6,uk s 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 minf kh u61o8sp,iimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at thels+:il(zqw p: *l;/wh r( iozi 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 exertz:(;*i/lir+qllws oiwz ( h:p on the ground?

  A toy rocket, of mass 0.12 kg, az7s-ecljfl/ ,chieves a velocity of 40 m/s after 3.0 s, when fired straight up. What avera lce/-fz s7,jlge thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg anwxju g w:+ dmgr(r:+hr/ x z-dsqa(c/1d 80 kg, are initially at rest in outer space. They push each other apart. Wh +gx(h:r+1cwqddr:sgm xjw z( ar/u/-at is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a *r(5k spr /ap+g 8c9dgot.nrq speed of 2.0 m/s. It collides in a perf ac(d+rk sgg 9q*/opn5rt8 rp.ectly 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 collision?

  A 0.10-kg object with a velocity of, qqs2ppntb,u nj98w: 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at n:qqt , wb,p28n9js uprest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 ms gw hty2*up8m0bt u7 6qb,i/pvd f39l/s is fired into a 1.00-kg block at rest. The bullet emerges * /g80ypwum9uh,qb2t stil p3f7vb6d (the bullet does not get embedded in the block) 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 alpha-particle (whi,6,xb5i , adqw9rjg( a3b yhvxc-x sy/ch consists of 2 protons and 2 neutrons) moving at speedy cx/x q,,yibrd9(- ,axhbjagw35 v6s v. If 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 station+w+q7 am5e:keasn +x4rn) fzhary ball of mass 100 g. The x ++n+w7kfs znqr:aaemh)e5 4collision 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/snm ,* h iw(lac.,je)ea collides head-on with a 200 g ball sitting at rest. The collision mc i*eah ,.wn(j ,ale)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 43r.xjx sk -ze5.0 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 collz x4x3ejrk-. sision?

  A 2.0-kg mass moving to the east at a s-qmn nw2bhg0 xz2cw..g2o (i 19znmpa peed 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 01nm-m g.o( b . zhwq9nnapcgx2 w2i2zthis collision?

  A car of mass m, traveling with a velocity v, strikes a parked statio5hygqy 9nold3,md 1y59xtm /*d rih0kn wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is los0dmn*gl/1k 5xr3t9mh 9 ioh5ddyy,y q t in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itself i0)m d5t-tqklf:)z6e 9xflv h in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combimt6th5xf)-:i)d f09 ek lzlv qnation 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 cvvh-.lb:c )zob6,dolo) 8 es oollides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collooels 6)o8,hlo. z):-dbvv bcision. (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-cfbx-/x1qyd701 wwktv z*mz ;kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.)7/qmc x-vzkz0*;w1fyt1d w xb What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves east with ufkve; * z/isixk0kjsu80e1 .a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They makek1zkke8u00i;s.vf sie x*j/u a perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, +;8xcrif e9mkzi k2h(keo tt4e 9u+pof/w6s 6is 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 movimsc9f84xkek+o t6uih6we2t/(i ;krpfze9 o+ ng 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 th4g ppcsop1b: .8qxm g*e origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center:m pc bqo.p8*ggxp 4s1 of mass on the x-axis?

  The center of mass of a t6n4+dx mxfsy+ 26oy0fr)enkzzw:b m ;wo-particle system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is th reb0 n m;fmnw2s)66z + 4dyo+xf:xzyke location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0p)il*8s3ru /y waumd/ ), 2.0 kg at (2.0, 0), and 4.0 kg at d83wumip )a //r*yusl(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 (up/,9 ndne.c h:wq ls50, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the lon.d nh/cq,9p we:5usl cation of 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 posixe0 ebg(va n0 .l98lhptioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the lxl8. v(0gaenh0 epb9 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 aj.r 2b84.cl gf:vysfb whole leg including the foot when the leg is stretched straigh..bf8 r2g lvc4:yjf bst out. Assume the person is 1.60 m tall.