What is the SI unit 7qb+hvog est05w/ qv3bwjb4p-a+f , iof momentum?

  When a cannon fires a cannonball, the cannon w:vkr)g yolc1 r)*svv ++kwmjb4gzl* t:j a(s6ill recoil backward because the

  A freight car moves along a frictionless level railroad track at constant speed45 po 5k(; -jxotvl1heol7ztv. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velkv z (4 l5 oth-px5oe1tvjl;7oocity of the car?

  A child falls sideways off a sled while sledding on ,3 5itbbkego)dbsn+ l 892nibusj q1( frictionless ice. What happens+bt o b )ig5n1l2 e83qdsn9bsui k(b,j to the velocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thr6djl- ,2hzv zeown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. T vze6l hzd-2,jhe 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 m4n2 cx. -adflkinetic d24xn m.f-calenergy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic enehl12 hj9 vkxf8rgy you gave it in the previous pitch, the magnitude ofhhx1j2l vk 89f its momentum is

State Newton's second law in terms of n.b5 6o2mnpz enz fl9)momentum.

State the law of conservv .kvo; yuhxdx9ljnu ; .t-3t v5n5a/dation of momentum.

  The area under the curve on a Force versus time (F vsma(t ,kq,fgqc)/ 2dbn. t) graph represents

  Which of the following is anu b5sr. rv:er 4b8;n1 aeloyd, accurate statement?

  A small car meshes with a large truck in a head:+ cx:l7u n(-7mkwb-5 xqpbm:m aknmj-on collision. Which of the following statements concerning thnj w7-5bxmamk:+ u-mxlp:n 7bq (ck:me magnitude of the average collision force is correct?

  Two equal mass ballsn21j :nhzo6i +uc v-vt (one red and the other blue) are dropped from the same height, and rebound 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?2v u6jo c+:hnv1zn-it

  A Ping-Pong ball moving easg 7m5ga:yg36rne9 sj fgl()wb t at a speed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball mg laem: f9w3ng5 ygr6gbj7)s (oves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide a, qqhwo7k j3u9tcli 24nd bounce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6.034x 2)vdrwnid/y ;2sdvc+ ws b-kg objectb rn4 di2 cv+23w sy);vsddwx/ 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 /9y wjfxscxjt 8*x0 9zm(l/lv80-kg halfback running0yt/jv/ 8sj 9mcl zf lx9(wx*x
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the f.lw7i *wgvnxbl;g26 momentum is conserved, then which of the following statements is true about k*lxg.;7l f2 6gw vwnibinetic energy?

  When is kinetic energy con,. kw-zi+e mwkserved?

  In a game of pool, thj64.op) nvygw-njz0 pe white cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball j )py n460pzgw-v .jnohad originally. The type of collision is

  When a light beach ball rolling w32f3 jee;du40b wlkxe6odds)m r6 5vkith a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision will br;0 dk4md3 jesluked3 e6b wfo256v )xe, approximately,

  A golf ball traveling 3.0 m/s to th2 c6l4.g ,lro0pz8flwd*fufje right 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 of thlrw02*fflfup4z ,68cd . jloge golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on elihvjltnd7l ,kn(k) (3t e8-pdastically with an identical ball at r()d thn, kv -kjle i(ldtp87n3est. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-g55 xc9y2+.rxhxb)q pntz1 g eon with a very light object at rest. The collision is extc.yqx5+ h 5b91 rgge x2znp)lastic, 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 collide b4c90h mm.85iflhlly s head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of thm cilll59 0h8m4hy.fb e heavy object after the collision is

  A red ball with a veln1bdi,uhim+ca )h 8e qqp9:i*hw6 ,pbocity of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the cole+bnh9 p),uq,c8i *dbiimw1ah phq6: lision?

  A very heavy object moving wit8 edrqf;mf/;s zdd0,oh velocity v collides 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 om0;eqfs; ,/ddzd 8rfthe speed of the light object after the collision?

  In an inelastic collision, ifj1jd tm7urpc r7*6.a k the momentum is conserved, then which of the followinc*7dua67j 1rrt m.p jkg statements is true about kinetic energy?

  Two objects collide a)f/g/e)9jnz .qpso0ezr gx*z nd stick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectl+z9l fh2cgw, np x;jk(uqay33y inelastic collision ,a wfz;+(3gqhk 9j2 3lynpcxuwith 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 win ydru)j2m)0 eth a large object and sticks. Which object experiences the larger magnitude of momentum cje0y 2d unrm))hange?

  In a game of pool, the ;e1j .cjxyal. id1buc-x+q . cwhite 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 statementauea 5z7i 0o8bs is falseazo0bu a7 ei85?

  Which of the following is a falnv7lzqi9/5 ue8;m,skz/st h rse statement?

  Tightrope walkers walk with a long flexible )c4 p7nz ( y/of-ckovurod in order to

  A plane, flying horizontally, releases a bomb, which exple wu0 dqtadz13c q2 ea;tq:. hty26( ozhk0,abodes before hitting the ground. Neglecting air resistancequa .00: w bao2z(kz;ytdq31e6ehhqtad, 2ct, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The col91zab rncf wol0we2 i6jn )/ pmr,w.d2lision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of thibm 9c pfw6i20e)w/. ,wrzl1adojr2nn s system's center of mass?

State Newton's second law for a system of 1g 35eqhw sdzo/d +a4o+mht9w particles.

  What is the momentum of a 2000-kg truck traveling at 35 m/s?dbrna. a/x)gu 6rkl7d6/ndv7 b(j6as

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude of ifhx7lf,2)fu2a :z 5 uik tj*zets momenux)2tzfj u*i57zl, e2a:f kf htum?

  A ball of mass 0.10 kg is dropped from a hnw*xlyn-lct3x( rj-+( r:kx y eight of 12 m. Its momentum when it strikes the ground ilwx3-*n(xk:y+cnr r- lyjtx (s

  Two identical 1500-kgq*5 uqoxi1r7 f cars are moving perpendicular to each other. One moves with a speed of 25 m/s due north and thei*q qfux175or other 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 m/s, strike+psa dh- 3zy*vs a wall and rebounds at 24 m/s. What is the change in the momentum+*3s-zvaphd y of the ball?

  A 0.060-kg tennis ball, ixg31f (fz(cuunitially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the oppos(gzfxuc1 (uf 3ite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machuz0u4o9pi*1lvchns1 i( 9oux ine (excluding the baseball) is placed on a frozen pond. The machine fires a 0.4l i 1hs1ox v94upun *c90uioz(0-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is re1 qq57 lzps:space-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer at a speed of 14 m/s away from the capsule. At what speed does p:7e q1qzs5lr the astronaut move toward the capsule?

  A small object with momentlp55k b,olgxziadq2: y z19o+um 5.0 kgm/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is 5z:oz x o1yl9 +,5pikglda2bq the magnitude of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kg mn*vn 78q ,mxrbass), who is standing still, with open arms. As you collide, whi7 xn8mvn ,br*qle 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 road , u liwgd45q:zsyihny s8sk1ru;6x5*at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. Whatnliu4: y58ru zs1g, 5w6 dqx;*sihksy is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped db:ed*evh59 h car that has a mass of 1500 kg and they stick together. What is the speed of the cars d*9 :ehhev5bd after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast y 9fiip-;1vzualong 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 i9i 1uz-y;ifv ps the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls o)* tnn1 izt-g8,.deoxgtp 5rwith negligible friction on a horizontal track with a speed of 10 m/s. g *8 tpi,t )-odgznnt1 .ore5x 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.enl ;w7 9gwgffa3lc6 ) 7ftgw a 100-kg log at the rate of 0.80 m/s (with respect to thew63t7ggwfe l 7l.fc;9g)f awn log). With what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly increases to 0kix:lu zh vzhs86m+ 915 N and acts for one more second. What impulse was imparted b uvs:kh6zihz809m l+x y 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 the7emfb b9c dv-(vds+ m9jmk.9u object's change of7 b+v .cs9(mv df9e9bj- mmukd velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wall a/bwk6jng i (;vwil h;4nd comes tkl 6 (/wgvb;i;niwj4 ho rest in 0.20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you a: z0n ;ypelmv,8/sy pypzb;hd 5r7wr(t 20 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with therzs;,( lvpb pmrp 8; wz5e7yh:n0ydy / 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 tao yj 6gx.lj6-v da4ey,ble top. The speeds of the ball right before and right after hitting the table top are 5.0 m/s and .-g vjyol,adexy6j4 6 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 table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets,xqn,qt jp4++w with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the maqp jqt+ x,nw+4chine gun mount?

  A fire hose is turned on the door of a burninehowe k cm(9,)g building in order to knock the door down. Thi cmeow ,he(k)9s 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 bounce back?

  Water runs out of a horizonjtmc- bwbl0.kli 6:.l6u1f cctal drainpipe at the rate of 120 kg per minute. It falls 3.20tc6i :j-1cfw.lmb.kb0 6 cull m to the ground. Assuming the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.sm1ib2x15 bocdpe bqb 0z7; u-12 kg, achieves a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket engine bc b 1b271qiube0mpdx-5 zos; exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outers)csaf7 tod*) space. They push each other apart. What is their separation after the lighter 7ta)cf *o)dssastronaut has moved 12 m?

  A 3.0-kg object moves to the right wit gz6 x x e0)-t*as8mdjj.b )dsf;i7apbh a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg 0.e *;p-8b gad))7 xb sd6mfjzsiatxjobject 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 0.20 m/s in the +x direction makes a hea 5 msgchz(rc1:d-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg objecm:r5( zchs 1cgt after collision?

  A 10.0-g bullet moving at 300 m/s is fired intoarx*;5 :jchnf a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its originaxch 5fn*; :jral speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is stru kk:z2ki20 pmhck 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 colkhpkm2 :k 20zilision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ,0. c3u 68kqtz6zb-y nbfzri oball of mass 100 g. The collisizzfbk8 0c6.-bun qiyr3z, 6t oon 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 k m3f avnczai)0;:,dl speed of 3.70 m/s collides head-on with alfzmnv0;: iaa c 3),dk 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 withe m+mz/w; pq;d a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelammzqe;pw/d+ ; stic, 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 head-on in a pdj cb;lx8u7d(erfectly inelastic collision with a stationary;u7 d lbj8dc(x 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v,zuy6o i.+x 5x ono j1a6c)eoo* strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction o+ o n oa6zji5u1o.6 )*eyxxoocf the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 0+9ax mbmy 3xcm/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 ca x90m +ymxcb3ombination 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 0zd lkghlg/t 8e0( m7gat 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars st7dt/ge 0 (0 kllmgzgh8ick 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 awqyw*/ cjr5 2np,r2;jeffz-m 3000-kg car traveling at 60.0 km/h south. The two cars -c5jpj yfe*/z,w2 rfrq nw;2mstick 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 f9*kw8txw;o rg rictionless surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north witt ;*9rwxowk g8h momentum 10 kgm/s. They make a perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North wikt p05r5: +vyc epm xzxj1;ps+th 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 1.0 kg. What is the velocity of the third fragment? v pt:kxr+c;x y1p m5je 5+zsp0(Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kgcd) j1f nko30v mass sits at x = + 21.0 m. Where is the center of mass on the)cd0ok njv3f 1 x-axis?

  The center of mass of a two-particle system d( h0a5dj6)mwv5 ljqc is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 k5 5d vhj0 mqc)l6jda(wg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.0 kg. xp.6(ijv0(a wwjo,w h zpa1j at (2.0, 0), and 4.0 kg at (2.0, 1.0). (1 w a(i0.a wz,j po6xvhpwj.jDetermine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, ar(qdfrkvg (og: wv50 s1e located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0v:wofgk vd51g0(sr q( m), respectively. 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 mass is positione. ph t2bhi 4r7gsa/yl0d 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 locatedg i7lyh24bh.ts0r/pa at the origin, (0, 0)?

  Use Table 7-1 to calculate the posbf;ffb1 37ysngh,; h2 ow2tq bition of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the person iqg;nh1h fo2f2yw;7 ,bfb t bs3s 1.60 m tall.