What is the SI unit of momentum movmojt5uwx9 z; tm 0u810t-fzgk06c ?

  When a cannon fires a cannonball, the cannon vgg mkcx7 l96*zqps *s 1vbqp0g+z5z:will recoil backward because the

  A freight car moves along a frictionless level railroad track at const4h/n om bf.3dc2x+mik nk/(mtant speed. The car is open on top. A large load of coal is suddenlyh(/kmc .f nxio4/k+ mdm2btn3 dumped into the car. What happens to the velocity of the car?

  A child falls sidewa/5cmm*z.) d ae(ptejr ys off a sled while sledding on frictionless ice. What happens to the velocity of the sled?c (zj/atmr*mpe. e5d)

  A rubber ball and a lump of putty have7/jh pnmd+1x 9u.kd b fg8s4e2i-gpss equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The pupj +4es/ms gki 7d1uh nb-f8 2d.sx9gptty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would youbt6mnpf n2 l4k k )*cbpi97x6c represent its kine 4i 27mn6k6lxnc)kfp*b 9ptcb tic energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in v( 5e *dts8pwm83f.p ixmo*uwthe previous pitco 83vu fpsm 8wmdp **iw5(etx.h, the magnitude of its momentum is

State Newton's second law in terms of mome piecrn 8xmg c:4p not(2s:hz-r: j7g9ntum.

State the law of conservation of momentum.weuq jzvc5f y yb *+dq+0qx;;s0 g0vo9

  The area under the curve on a Force versus t4rop ds7 f h;r)k i3qcs8x:r,time (F vs. t) graph represents

  Which of the following is aou3brvu 2 we1mu2j3o (p uc(7on accurate statement?

  A small car meshes with a large truck in a head-on collision. Which of g q,dt42f92js0j lo)caj-m nhthe following statements concerning thh0o2g) ldacfjnt4,mj2s- j9qe magnitude of the average collision force is correct?

  Two equal mass balls (one red and the o n6/b:yyx.st wther blue) are dropped from the same height, and rebound off ths6 / tybxw.yn:e 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, collides wituuyi 4-r, 6azth a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east. Whzyrua4iu,-t6 ich object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear momentumd ok.ynu7 m5p6k)cz( t

  A 3.0-kg object moves to the right at 4.0 m/sp s 1vk7m,a-ed. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statement is corae1pvdmk 7s- ,rect?

  A 100-kg football linebacker moving at 2.0 m/s tackles hev)ith3ox22z iad-on an 80-kg halfback rui 2tzo)xh2 vi3nning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentuwx/a fu a0/pl- lc)s(im is conserved, then which of the following statements is true about kineix)/wa l c/(afsul0-p tic energy?

  When is kinetic energu4wg5nlv eml ;ocpaq13x5yqf b b-(9+ y conserved?

  In a game of pool, the white cue ball hits the #5 ba4k v/k,rexm qwsyq881ll and stops, while the #5 ball moves away with the same velocity as the cue ballvxrew8ksym q8qk4 /1, had originally. The type of collision is

  When a light beach ball rollingzpdoa0 :( .an* n:avkj with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the c *.d a0ako(nnza::jvpollision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision wi0/ccfgdp 1d :nth a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immg1:n cfd pcd/0ediately after the collision is

  A rubber ball with a spe0j3eu a e5po.oed of 5.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the initia3pao0o .e5u ejlly stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a vef;qff bg)fs1x6usi 6, 4g ar4vry light object at rest. The collision is elastic, and there is no friction. The heavyxsg ; g 6fv,q6f4abrfsu)4f1i object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v collides head-on with a ve g* .xhkhue14kry heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object hg.ehkuk4x *1after the collision is

  A red ball with a velocity of +3.0 m/s collides hnaxtic7n d6 s4 w/oqf4 -2ytq8ead-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What iq6dtnn 7c4tys /84qf2wio -x as the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a very light ok+ *olqru 0l/rbject moving with velocity -v. The collision is elastic, and there is no fricrl*0qkr luo/ +tion. 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 conserved, then which of the fbnjw/ad::vd1 ollowing statements is true about kin1jddv/: :wna betic energy?

  Two objects collide and stick togetherqm*br(5v cx+r r 3z.am. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collg) x,f30c0c-xpqv2tcpmd3w eides in a perfectly inelastic collision with adxq c0g 3f)me3p-0c2xpc vtw,
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 lz w3dzsj 4*q+marge object and sticks. Which object experiences the larger magnitude of momentum qwz+3*4 jmdzs change?

  In a game of pool, the white cue ball hits the #9 ball and . i0gyxj:n w:qis 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,v 64we1fv liaml ygg8:a2;9tm M and m. Which of the following statements is fals t4 2fy:g1gma6mw v9alvi 8e;le?

  Which of the following is a false ;iw ar( m2ltf2.s6qo gstatement?

  Tightrope walkers walk with a loll vm-,fb 42ms )3euhhxz1t4eng flexible rod in order to

  A plane, flying horizontally, releases a bomb, why ::mg, xi h- u0aj/wr5bh6plmh)g,g gich explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb im,hw:, ) hmp lx r-:5b0ga/jyug g6ghfragments, just after the explosion

  Two cars collide head-on on a level friction-free *:lgcryo -e.by+q 6nbroad. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of thi b*6.lg+y nyer-:qbocs system's center of mass?

State Newton's second law for a system of particddth i5nsd27 8les.

  What is the momentum of a 2000-kg truck trave2fkm+tqn,aig0 6w2d q.i*dr rling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s.1 j,(sy6ax/,ls wxwwk grq;b9 What is the magnitude of its momesx ,g(,k/ wrx;1q6ja wl9y wbsntum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. nch;pd m po 2uc. cr)60).ovyy Its momentum when it strikes the gpo;cn.p .uyo2r06) v h dcc)ymround is

  Two identical 1500-kg cars are moving perpendicular to each other.s)a it3ydwy 33cqi jwqc+i(qpofo b4,; :q4:w One moves with a speed of 25 m/s due north and the othey3 bqqs: ;3wc yi fqiop w:jq+44iac(wdo 3)t,r 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 8 bju9mcg c6v5m/s, strikes a wall and rebounds at 24 m/s. What is the change g8c 9mb6u5cvj in the momentum of the ball?

  A 0.060-kg tennis ball, initially m*ul9 gswni:5p9jmtt: oving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction 9 u*n 5limsgtj:tw p9:at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen k xkzai-b,so+ rrh-3 t(2 6qsfpond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoi-s +3aq2fb-(kt,sxr r hkizo6 l speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsul*: 68 drfgtfkte 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 14 m/s away from the capsule. At what speed does the astronaut move toward the capt6dkt *ffr: g8sule?

  A small object with momentum 5.0 kgm/s approaches head-on a .8r +r22*vazz dg dldkuj2up+ large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the mazd+kvazug2 2 . djd+8p2rr*lugnitude of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to sdl4r2zd; )xm)j1k9tb 0r qm qgreet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with wha2 1 )qjr9mks4)z dtbx qdl0;rmt speed do you both move off together?

  A car of mass 1000 kg moves to the right alond 2 w63iw7 igc-jwcy2o (dn7lbg a level, straight road at a speed of 6.0 m/s. It collides directly with a wdcny2g wlob( 7w36i i72d -jcstopped 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 realfis4,jr k m6;ds7.a5b5mb zjr of a stopped car that has a mass of 1500 k,z76i r 5s afk4.jbmsml5jb;dg 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 c). s hl;qfcr.8wj s4xzoast 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 of the two carz .48l scfr;)swqj.hxs after coupling?

  A railroad car, of mass 200 kg, rolljd764uyf7.-lr hpji-x psbk-s with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distancprj 6 jyp7kxdu. b -si-fl74h-e 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 aty3b 4vqprb ;j6j p/z qy, +id):5tyluf x:r7yz the rate of 0.80 m/s (with respect to the log). With what speed does the log move, withy64qdl3pvyxqbi/tjz, zr7pbf jr )y;: : 5y+u respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. i ( 8zvkdcq5o .bujsk6* jy;q8 The force suddenly increases to 15 N and acts for one more second. What impulsu* z .;qcqds5vkb kij 68o8y(je 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 is the tnj9a 1imonn6/up12;ptrab 738 y wm xobject's c1xt81w73nor 92jiub6 ypatnm/n p m; ahange of velocity?

  A 2000-kg car, traveling to the rightz-k zml2f,no *;(qo py at 30 m/s, collides with a brick wall and comes to resloz,;*mk(p of- 2qyzn t in 0.20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you a9h34r d2bygr/opms-ft 20 m/s. You hit the ball back along the same path, and at ther2hor4 ybd-mp 9s3g/f 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 om1 *wux cy;9x hk6(bhknto a table top. 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 mb(ym 9*1;h6x u kxkwhcagnitude of the average force exerted on the ball by the table top?

  A machine gun, of mai;j4nb xj u bf*xk 0rkvr/5e54ss 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 ro0j5iu jr;b*44/vxxfk be nkr5unds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building in ord6lcj7ef91r iier to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the minimum vc7flj6 1iier 9elocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the td y t)6ns zy.6t/f(c1;quaa erate of 120 kg per minute. It falls 3.20 m to the ground. Assuming ttfztan 6c)ydu/a(1y s . t;e6qhe 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 after 3.0 s, whenn7h(f5k cji q7 ;ox9ncki68ai fired straight up. What average thrust forcoin ik657 kqchx a; n9c7f8(jie does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, arjf t8+eil5 7qre initially at rest in outer space. They push8 +i f7l5eqrjt each other 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 collides in a7d,b qi6rfjwb so, t1 */anmb/ perfectly elastic collision with a 6.0-kg object moving t/bfqm is7 ,dbo16a/* jwrt nb,o the left at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a veloc 8lys -ubheo//z77l6ihu srd ,qn ol7+nw-5cmity of 0.20 m/s in the +x direction makes a head-on elastic colliss zs/ oc/,87hwdmb+rn7n 6-hu7l5ql -yoluieion with a 0.15 kg object 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 bwjxzu 0/f ft/;lock at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velo/ j/;0wfufztxcity of the block right after the collision?

  A proton, of mass m, at rest, is struck head)i7 .pezg . 1c/entcbu-on by an alpha-particle (which consists of 2 protons and/ .ebut)e1ciz gc.p7n 2 neutrons) moving at speed 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 stationary ball of q1) k*yoz8g xek5n q*mmass 100 g. The collisio g)1kqz**xyn 5keom8q n is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g movin7 f. rtmnb:u;pg toward the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is perfecmf;7 nrb tpu.:tly 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 collides head-on with(wx,rmme )hu+ w 0(m)*apahjz a 3.0 kg mass am a j)z+u*we)h0rm(,mhpwx( at rest. 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 r. q ye;ho 71h67*(mrxlvgwmz.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 c(q7r o;* hrm6 zgwlv.hexy17mollision?

  A car of mass m, travel kp nab 4kr0859dizifag -6l3zing 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 e- la4 i8rzbd6g5z9pi 3a0fnkknergy is lost in this collision?

A 15-g bullet traveling 213 m/s in a veoj)5 x vwn(0of v6usrl.fv pk*68n3rortical 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 upwarun *65vj f xw8pnl6vkvo3s orr )of0(.d.
(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 3pfphgw/ .(y h+000-kg car traveling at 60.0 km/h south. The twowhy .(f+g/ hpp cars stick together after the 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 cab5/ iso0ht cgba v(p/7r traveling at 60.0 km/h south. The two cars stick together after the7 cab0tbo h p/5/(sigv 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+ml,4ldz sb :je 70pcw 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 combil7zpcjb :,w4d esm+l 0ned momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North withqu4)hd5cv: t3i)e 7udd/d cxe 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 / dec3udd)5udiecxhq74): tv1.0 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 = + 21.0 m. Wherc4)ubz y 0yg4we is the center of mass on the zw4yub y40)cgx-axis?

  The center of mass of a two-particle syste6b)sd k6snf /n,v1nur m is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. Whanb,ruk /s)6 1 vdnsn6ft is the location of the second mass of 3.0 kg?

  Three masses are pos 0,ufpwl2 zuy:itioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg:wlp2uy 0uf,z at (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 az/5lu seu-8kv:w4tt ht (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of uv hu5-et4lt / :z8swkthe system?

  A 3.0-kg mass is positioned at (0*fue:f6u( br13yxhk x, 8.0), and a 1.0-kg mass 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 orkex3:u h (ux*b61fryfigin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM oog (15ee8ci6zc4lnv e,ifm m/z3wsy. .nyu i, f a whole leg including the foot when the leg is stretched s i/53(cw., 6f 1ee nyyzm8.gcs,imi z4oulv netraight out. Assume the person is 1.60 m tall.