What is the SI unit of momentum?cd5 eap1d6q /t

  When a cannon fires a cannonball, the cannon will rlp2bl (o23g 6dezx 5uiecoil backward because the

  A freight car moves along a frictionless level rk caox)u mt*.7ailroad track at constant speed. The car * 7cuxt amo)k.is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways of vgq3u :/ .if0d9nrfouf a sled while sledding on frictionless ice. What happens to the velg:io9 uv/.r q30dfuf nocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown with equ 7rhv/n; g6gyccxy 1 0miw8+kual speed against a /wg 7n8+ g0irx1yc vy; mukc6hwall. 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 momentum p. How would you represent its k2tf+ yx/rdc x )/jklr)inetic energy in terms of these two2)k/jxt )cy /r frlx+d quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previohob8sq7kh x,: 0mbcb.us pitch, the magnitude of iq:0x7 shb8m . kobhb,cts momentum is

State Newton's second law in te obqq vz,jzedi34. v*0rms of momentum.

State the law of conservation ofzqpl(7+ot2c- cadb, z s q-zs( momentum.

  The area under the curve on a Force versus time (F vs. t*9as8xk:)1kko gmxw6: xd cdg) graph represents

  Which of the following is an accurate statemen e(v/ xj7 xjqjt8hlt:2t?

  A small car meshes with ,g ,op *5yz,zvku;mgka large truck in a head-on collision. Which of the following statements concerning the magnitud p 5,u zomvygkkz,g,;*e of the average collision force is correct?

  Two equal mass balls (one red anze 0f+fhn )r i2dhb*-ed the other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to aferih+f2)h - *zbd0n e 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 with a stationa/pk (m2 cfi0cxx: a/fpry bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slo pcm0ckx/f2:p xaif(/ wly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Lit /xm db*ze9pe+kc ;t*near momentum

  A 3.0-kg object moves l7dy5ls ,r*rz to the right 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 statement is *ys7, zr lldr5correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg hal xz m 0w6dyood2te(1-zfback runninxo2yzd1mw(-o6e zdt 0g
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if thepxh/uhlp0 kjqr92z ,bn/j .2z momentum is conserved, then which of the followingp hjj/lun/h z . 22k0rb9zxp,q statements is true about kinetic energy?

  When is kinetic energy x knki-+7 pcv8conserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the #5 deo( 7+,w/lfkfrf whneunck9iz5++ (ball moves away with the same ve9hrn/f c7e( +l5, w+kin zwf+dekf(uolocity 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 collides with a h19k5wcp vo9hjx4mx8b eavy exercise ball at rest, the beach ball's speed after the4bcvo8 9m x5jxpwk9h1 collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collh. i rzj)+l0kz lic7m;ides in a head-on collision with a stationary bowlirli zi+70z).jlc hmk; ng ball in a friction-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 co:cf 3vq4 xy;i4 urfr;gllides head-on elastically with an identical ball at rest. What is the speed of the4rg:;rq vy;x3ui f4cf initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-o2pu x(u qni0i561 iibhn with a very light object at rest u0ih 1iq(iip256nxbu. 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?

  A very light object moving with speed v collil.siqc d37,nrdes head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object ad .n src7iq,l3fter the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball mtx lggb/z6(3-1o2 xeh-dt(*r zmxnd of equal mass movi-lded t/mtgx b xz-6h2 g( m(xzorn*13ng 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 collides head,:kk ue0zvx pmi2+jka+gx;b( -on with a very light object moving wizmxke, gxki:jbvk0; a( +p2u+ th 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 conserved, then whic otp ibo:7w26qh of the following statements is bqow :7t6po2i true about kinetic energy?

  Two objects collide and stick toge(+ -:paho o(a;chgl pn4ser*m ther. Kinetic energy

  A 3.0-kg object moves to the right at 46y:i/) 3gcn*qpx l;mzoeu+l b.0 m/s. It collides in a perfectly inelasb*/): ;oniul6 zempgl xqc3y+ tic collision 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 whk i( 3h1kck7hith a large object and sticks. Which object experiences the larger magnitude of momentum chan1 ki hk3ckh7(hge?

  In a game of pool, the wjb r xf(d*9ar-hite cue ball hits 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 following statements is falur9xda:kxibal ;e /;+q. uqn.se9q;.uune r:x. a;+lqxb/kaid?

  Which of the following is a falsbq2;nb .p1m7oyj/inf e statement?

  Tightrope walkers walk with a long flev 1;qq,+wal qhxible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before h5k kn6e-qobr* itting the ground. Neglecting air resistance, the center of maq erk-5*n6ko bss of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. Th9uilkvnc 7s8 +e collision was completely inelastic and both cars quickly came to rest during the collisiosiu c789n+kv ln. What is true about the velocity of this system's center of mass?

State Newton's second law for a syst) 0a6rm2nujsa6a2mu4xzl+ m eem of particles.

  What is the momentum of a 2000-kg truck travha-4+(w4gu xig 4 recdeling at 35 m/s?

  A 1200-kg ferryboat is moi4z,5k vj,j 7sq n,w jt7v3ubnving south at 20 m/s. What is the magnitude of its mom 7 jzjb5nt,,3iv j qu4sw7vk,nentum?

  A ball of mass 0.10 kg is dropped frlb 5t i17)wupy w5jzf6om a height of 12 m. Its momentum when it slpzwftu75 y65b j1w i)trikes the ground is

  Two identical 1500-kg ;:pt ihqfor1tf iwf7:x1+ni*cars are moving perpendicular to each other. One moves with a 1ntfhpf r+*i: xq1io fi:7w;tspeed 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 horizont3o ya;ypsrjr,43 9qo oally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is q4yrra joo 9;y,3sop3 the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of r4z+ mbf9 7gr(bdmg 5s12 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 the 75gr+ dbm9 szmr(bfg4ball?

  A 50-kg pitching machine (excludx:uy,)hj5t,a n 7gpx cj4 xe 27zw5(w,l peifjing the baseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 3 p54j)7gxycjflxp z ,n2ae,i5,wext:( hwj 7u 5 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 and is stationary wt5)+c 0mn d3p d+bbkvkhen the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer at +k5)d+d c pb3kmbnt0va 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 heam4bxvu+cl63,jb r5fb d-on a large object at rest. The +cr463 ljbvu ,bxfm 5bsmall object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s 4c f rt2/km8bzns,av 3to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, whilt2zf3 /nmb8 as, rkc4ve holding each other, with what speed do you both move off together?

  A car of mass 1000 kg momc c/ +kse,91qmi hji1ves to the right along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is th /k11j mmi,c9c +qhisee total momentum after the collision?

  A 1000-kg car traveling at 25 m/s ru4,gz0 oeu7,y fj; wivmns into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the carivu;7,oy,j 0gemf z4ws after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level 8/n* ;w3 zhh*hxmm*)taphfff track at a speed of 2.0 m/s. It collides and couples with a 50/hax* p;n8 h3w*z f fhtm)hmf*,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, rolls with negligible friction onrph a2(c15qhq a horizontal track wit( 5chp2qqar 1hh 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 rate9ii:c30 +y0q kalw mrc:x)nso of 0.80 m/s (with respect to the log). With what speed does th :r:y093c)nlsqxwkmii 0co+ ae log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on 2fq5do,zw ed1 an object. The force suddenly increases to 15 N and acts for one more second. What impulse was imparte o5wdez1 f,dq2d 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 obje:tmxr hr18sr0 ct'r1t sx8r0m :hrs change of velocity?

  A 2000-kg car, travelint. 4b( dwapm::rymrfa4pj( t*g to the right at 30 m/s, collides with a brick wall and comes to rest in( 4 yrbw.fmp4:jra(:*mdtp ta 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. 7*y1dp+ mpm-aebpg/+s )z tqrYou hit the ball back along the same path, and at the same speedzrbpq+padg )ys/- 1t+p m me*7. 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,m1, wa(k ;sy p6csle 9trgmn: 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 magnitude of the average force exerted on the ball by the tablerym 1,el:mnw p ;s(tasc96gk, top?

  A machine gun, of mass 3ubrs, ze69d/h5.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average,r9u 6s/dh zbe force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning buildinc3s6 n,u29pf wq2kokcg.ps hz*bgt 6r5 .t, jkg 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't boc 9*fnro.kps 6gu2j, zkw.3k56gq2 phtsbct, unce back?

  Water runs out of a horizontal drainpipe ws64 yxxs0ye ul 84n.)z:ukeoat the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the ee80o zw kls):4.y6n xy4xusuwater doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, a76+e t 9wqc :bdqhve5wchieves a velocity of 40 m/s after 3.0 s, when fic+ d etq 6vww:bq97eh5red straight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest inr o4nak7b7g/g 0wyg 4s outer space. They push each other apart. What is theirggs/o4 bn 7gwk74a 0yr separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right wbtls0 k k;boua/2o :(tsybi*;1jc/ q*wsd.z qith 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 totaoi swut0ysq lkzbdc*: o1/;qstbk;jb*2./a( l kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makes a head-on - tivu5jv )5gt ,ym7srw9zjmx40tlo. elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after colliszv5,x0ju wi5vm-7 omsr .tlt)4gy9j tion?

  A 10.0-g bullet moving:myuq3 rgq2j:g/mj, h at 300 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 itry m,g q:m:hj2gjq3/ us original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on byadu be9): uuu: an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision e :d bu)uauu:9is 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 stationaryl6 je8m*gux/;.t9 4n bne ojbs ball of mass 100 g. The collision is elastic. What is the speed * gsbu/bxjmln8eno4 6t. e;9jof each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed ofht)w-91 uylb z 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is uwt)b1 hzyl-9perfectly 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 of5hb(, ap ())qnhdemn v 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 colldn(vh)) m qbhe(a,5pnision?

  A 2.0-kg mass moving to the east at a speed ofuz.o+ yt(.c xvz7uiz3 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How muchc vzt.7oyxz z (u.ui+3 kinetic energy is lost during this collision?

  A car of mass m, traveling with a veloc f-*ykner61b uity v, strikes a parked station wagon, who's mass is 2m. e*yrubknf16-The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itself in a 2(zh3+3xwxhc yz* em. t.4-kg block of wood a rest directly above it. As a result, the bullet/block(*x z3 hhxz3+ew.mtcy 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 twj l3d/y+m s1fzur)m8z,ci h/ raveling at 68wrm/ 1yfulsjc3,h mz/+ z id)0.0 km/h south. The two 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 bp; jcg.4ss/g 90.0 km/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 motg; j/.bp4cssg ion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves east with a mo8 , y5i-d7uov zfvexq2mentum 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 momentudei2u7 f5-x v ,zqyov8m after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity ofq6f :tb,tmek 7/ x+yr:pcktb1 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving west with a speed of 8.0 ,7 tbp:k yk + /ctxtfrq1me:b6m/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 ak: vsamm8kd2m ,6 d.ztt the origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is kds 6v z:2,d.mm kma8tthe center of mass on the x-axis?

  The center of mass of a two-particle system is at the origin. One particlc+2 6xpmlgp2-6dpvr je is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the locatio 2-gr62jmlx+d6p cpvpn of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.0 kg afz3 vny0, 5 /o(l.jhwgvov 2 icuxij89t (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates olvyw, g/5oxzvjo0f3icn( 82h 9vji.uf the center of mass.

  Three masses, 1.0 kg, 2.0 k nzsgh7e f.wa/f.rdfcnb)o0a+1q5om /1g 1ej g, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respnhf) /n c5e o7f1.ero 1agq/+.gm sba0 dz1jfwectively. 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 z 5g.ra:v pqs2mass is positioned at (12, 0). What are the coordin5v: zq2 ar.spgates 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 including the aciy5yj :ka pyeb(z 3.ka6k2+v 3iv3mfoot when the leg is stretched straight out. Assume the person is 1.60 m (vepmkvy a azk c.:3a3iy35+ b62jkyi tall.