What is the SI unit of momen e7oqbgwu62y 3tum?

  When a cannon fires a cannonball, the cannon will recoil backward becamwf9-rk3*jcjpn ; 8 qruse the

  A freight car moves along a fri u8xd.+;fm9 m9q+*nsb;iihfn r.shjsctionless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the q* 8 rnfj9hxs;m f .h+u9.bd;s+nsiimvelocity of the car?

  A child falls sideways off a sled 0.hje2t tkhv6tb:uh/un4 j2p0mbv)z while sledding on frictionless ice. What happens to the velocity of thh2t6zhv uvmp 2. j/nbkbth0te0u: j)4e sled?

  A rubber ball and a lump of putty have equal mass. Thp26hn egv/1n bey are thrown with equal speed against a wall. The ball bounces back with nea 6vh /pbn1gen2rly 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 woulucjiql.xj1n;,f* nw(d you represent its kinetic encqinj;.wxl, nf 1u(j* ergy in terms of these two quantities?

  If you pitch a baseballt k6bkk6 pcg-* with twice the kinetic energy you gave it in the previous pitch, the magnitude of its ckk *bp66-ktg momentum is

State Newton's second law in terms of momenzp.tjat 3; ptdf)1f 6mtum.

State the law of conser+5xx,yx- o ubsvation of momentum.

  The area under the curve on a Force versus time (F vs. t) graphvgkh w *f6ym. ( iyhflg;fxa( u(g2)/h represents

  Which of the following is an accurate stat/oxldq/c ,kr d+85zg uement?

  A small car meshes with a large truck in a head-on collision. Which ofz )8qe;mwv4zp5 4yeqpsm d:i 3 the following statements concerning the magnitude of the av53;:q)mqs y p4pze z8vwmdie4 erage collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped fribd. 3(vwr/ h s*p s+qht98ycgom the same height, and rebound off the floor. The red ball rebounds to a higher positvgiy *ch+ p9qbr (/st8h.sw3dion. 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 stationarl- . mb2lmu0jhy bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball move0u-2j mmhl.bls very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide a 9dipqy2fx)/ g)dp jwx 1()tgind 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 6j)m(u )qaq +no.0-kg object moving to the left at 2.0 m/s. q(oq ))jun+ maWhich statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles headycl i.7:w( audmv lv6* opj1r89)htga-on an 80-kg halfback runnin8joiy) l7*v9 l (6c h.av:aug wdmtpr1g
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then which of9tnll5bz 7m9 z fm6cp. the following statements is true about kineti m5clpz9 9n fb.67tzlmc energy?

  When is kinetic energy 0x(i:ofhb19 gr4h8kl rep (ikconserved?

  In a game of pool, the white cue ball hits,w3oetmok. m5 vqk ncg8 x/m6) the #5 ball and stops, while the #5 balnokt5vewkx)cm m86 , q3 .og/ml moves away with the same velocity 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 collide9(j 29dgk bheyn(e5jtsm*ib .rqv).5y(q cexs with a heavy exmq (59d y5 9 vcbhqxg*b i(j2.(s erte).nkjeyercise 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 head-on/jb u* (arf urqw52po46o/fj );duk ra collision with a stationaryk* 2r) u fj4 qu/orj urd/w5o(a6;pafb bowling 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 cozou1 w 7f+pt)u6qqcf: llides head-on elastically with an identica fu+c7z)6u1 o qf:qpwtl ball at rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving w -ln axhcgf6r6p4*l/sc,h-pb-)p h bwith speed v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows do bbcx*4)6hc/ng p ahr6-llf ,h -wpps-wn. What is the speed of the light object after the collision?

  A very light object moving with speed v collides head-on witr+0r b53z3bia2.m i6d pzynteh a very heavy object at rest, in a frictionless environment. The collision is almost perfec.r53z mzebpy0 3t2i+nd i6ba rtly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +34gfu 1*5g mwxjl293.yi otuycqbp, 5l.0 m/s collides head-on with a yellow ball of eqq y*m,o4gy3uclj5. wtui25f pgx 9b1l ual mass moving 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 t7 (- fddpseg gj16jn(hnt3 *hhead-on with a very light object moving with velocity -v. The collision is elastic, and there is no frictiohg sp gnf7jj*t6d(3 1(-ed hntn. 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 wvoc: 6o te-p+of the following statemeo-vcet6 po:w+nts is true about kinetic energy?

  Two objects collide and:/yl6mvy1eb - pilw a( stick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inelay73bluem *9m pstic colli9m lemu73pyb *sion 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 stict1j- r*gsg/7 1z uiwyi.xb) bvks. Which object experiences the l/r 7*u)zb-wig 1i1txjv.b s ygarger magnitude of momentum change?

  In a game of pool, the white cue baoz-nx8rzom 4pc0v 7x fd ),w6vll 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. Whicqd/w5xn9 .s bvo/kw+z8fj6 jz h of the following statements is false?q/ko+sfjj8xn 6w5w .z/ b vz9d

  Which of the followingg2zklt2 3s z jb-w1h2q is a false statement?

  Tightrope walkers walk with a long flexible rod in dkxkvw:*x p)cql 7t2w 6jploq2 dc124order to

  A plane, flying horizontally, releaskrot (q-ia/o+w g.2wh-m a 8owes a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the expli .wo8h-atak(-gm2w /w+qo or osion

  Two cars collide head-on on a level friction-free road. T yudd:g.e.+;xb t)is, g/lpm zhe collision was completely inelastic and both cars quickly came touzgt + ip,.dlxy/:;ds) mge.b rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a system of particlesl,4 pr5/ auqlggm5do j tz/-5v.

  What is the momentum of a 2000-kg truc qs6 jtm9vazb(z614aak traveling at 35 m/s?

  A 1200-kg ferryboat is moving s-lys.ir 6l5;,a qo+upz 5t rbtouth at 20 m/s. What is the magnitude of its momentuma55.b i lzyr6-s,t;qtr+ ulop?

  A ball of mass 0.10 kg is dropped from a smfze5( 7 /p/damzn*wu oz1f1height of 12 m. Its momentum when it strikes the ground (/ z zpdmuf* /ws71nofmeza51 is

  Two identical 1500-kg cars are moving perpendicular to each other. One m r6b: lrv;p87aa az8zx -gehr6oves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the total momentum of the s 86hx evr6 ;apg7z:8zlbrra-a ystem?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/r (i;q;gp(tjuw98b z ss, strikes a wall and rebounds at 24 m/s. What is theq (j;b rp9gsz(wt8i;u change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struck by avczq ty nb+.o((g(p r9 racket causing it to rebound in the opposite direction at a speed of 18 mobq ( t(py (9gvn+r.zc/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen ( e4vycsrvs/o.c+m x/pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible fri( vm+sov./ cyx4rsce /ction.)

  A 70-kg astronaut is space-walking outsidee5cgg/mg /h 2i fg:imi,l ;ad( the space capsule and is stationary when the tether line breaks. As a means of returning to the cfig : / e,c/agilih(mgd5mg;2 apsule 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 capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large objectzz/m8hvcamn6(;wulb 4 p52la5)nkg r at rest. The small object bounces straight back with a momentummvlh)(n z5nu;/2cr4wpb8g5 m zk6l a a of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentum change?

  You (50-kg mass) ska4rpo t8 ;yc0ubte on ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move off 4tp0royb;u c8together?

  A car of mass 1000 kg moves to the right alcrojpz2 88u o7u: mwcgm*,ft,ong a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. Wr8t 8cc,w:7uuofpg m z,2j* mohat is the total momentum after the collision?

  A 1000-kg car traveling atzmjm+ pj( /2(as.hua k 25 m/s runs into the rear of a stopped car that has a m2 j(ka .a zu(mhsj/+pmass of 1500 kg 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 coast al8uweas nf;scf57; bb7 ong a level track at a speed of 2.0 m/s. It f;8 fsnw5u77;bcbs ea collides and couples with a 50,000-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 negliju zyhq54m2*pja g +,pr*x4xcgible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distanmj2*hpq+*xx y u5c4a4 zr, jgpce 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 to/h1 0fnjwgg3he rate of 0.80 m/s (with respect to the log). With what speed does the1won/hjg 3gf0 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 1) ub0 wqpmnxq6)efeg7*n, (xb5 N and acts for one more second. What impulse was impartu))(76fmxe q 0x* p enbnb,gqwed 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 objec/wi* z.egq s0wt's change of vew qezsw0ig/. *locity?

  A 2000-kg car, traveling to the right at 30 m/s, collmi8wr80 6sc snides with a brick wall and comes to rest in cs0mwi8 86rns0.20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at7pi69 x ;c(wdd7es6kgaa hdn 0 20 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what 9 gd6dpisnwchd6x 7e7aak( ;0is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The spwbo yr ;ak2pg8w9-c.p3 ,kv*ltixm- heeds 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 smpp w3xkiy*8l k ,.- -go wrhc;2bv9ta, 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, with a muzzle veljet2eiu5d it2b/ /8gf ocity of 750 m/s, a/te/2i5 gjd2 fiub8 ett the 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 building in order to knock the d 4f*r v/gjv*vygeh,4a oor down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the minimum velocity of the stream /4fgv** hrjveyg,av4 needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe atu4 pi6e85:dm enzxp;gap ( s0f the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what aun:df8ps a 0ip5 eexm;p 6zg4(verage force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/sh q; +wwtc q308i;ugzh after 3.0 s, when fired straight up. What average tizq+ qh;u 8hwc3w0 g;thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer spacaly3zxblt 65 9z6 a:owe. They push each other apart. What is their separation after the lighterl9oazl 5yxt6a : 6wb3z astronaut has moved 12 m?

  A 3.0-kg object moves to the g yvvp)fe29hl*tu v*o hz26ct508o nqright 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 kinetl 96zt*h02t 2 )vcvu 8nhpvqgoeo5fy* ic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x dir+x 1pbjkqf 7meme* gs6lht+2 5ection makes a head-on elastic collision with af1 ejpg*ke2mt+ xq7sbl6 +5h m 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 0q 6f a.a9agvpb6(rqcpo9kz4 fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedfp.0o69ap9rg4 aq(aqkv zc b6 ded 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 (whicjsc*jr1; zvb9,uod hay y2i8u a4i v*,h consists of 2 protons and 2 neutrons) moving at speed v. If the collisionoacrjuz8,1 au,h bs y*i ij9vdv4 *;y2 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 m)(koo7 /rxi d-d) tbcte4tb 2aass 100 g. The collision is elastic. )ok-2tecbaxb/7i)(d todr 4tWhat 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/s colli2.*per enh o)wm4 bic7des head-on with a 200 g ball sitting at rest. The collisro4 7m2w enc.eih*)pbion 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/s. It colw(rhl9alzrlrb4 ta(cf r - y-384ko,rlides head-on with a 3.0 kg mass at rest. Ifrfa b-r4 4rrk(l,ao (39l8lhcr-wy zt 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 wwf7g7 ewv :e8speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. 8g:e7wvwfw7e How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes 00rb blajt1jprc+ ( o6a parked station wagon, who's mass is 2m. The bumpers lock togetheba 1jcpb0tj rl6r(+o0r 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 ollxe 4jp*3397vcao 9 :anmhg2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves vertically upa3j*g 3o7lv n alm:pec4x9o9h ward.
(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 rv +u yg1i+2q cug/xp,3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. + p 1quug,i2vyr x+cg/(See Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.oak4 +oac *qyp.bhr72 0 km/h east collides with a 3000-kg car traveling hrac.op bq4o7a+k* y2 at 60.0 km/h south. The two cars stick 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 frictionless surface. Object A moves east with a0psn :uyoy+x 5 momentum of 24 kgm/s. Object B moves north with momentum yny0o:+usp x510 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 kq5c*g2unrt(5,k dwb x7p0czj*lpr (cu1c: ezg, is 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 moving east with a speed of 10 m/s; and a third fragment with a masst dp* u,r:5cnu20p (5 z l1cr b(xzg*7qccjewk of 1.0 kg. What is the velocity of the third fragment? (Neglect air friction.)

  A 4.00-kg mass sits at the originj c:eynu(p* 1 2pknij*, and a 10.0-kg mass sits at x = + 21.0 m. Where is the 2knpjp *y1juc i*(ne:center of mass on the x-axis?

  The center of mass ofhxg eh v8h;v2vk go7:8 a two-particle system is at the origin. One particle is located at (3.0h: g ;k8vgh7hovv8 x2e m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.4j,7 ucp9eocx 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 the center of cex c4upj,7o9 mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 5tqfel5 s dqr8w94d/ sv :*nmdkg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the locatmsse :ddn9wq5dqf4r t *v5 8l/ion 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 positioned j ksd- sv;4k4vfin x1odl4(),ndu0xyat (12, 0). What are the coordinates of a 4.0-kg mass whichy di4dj0s4kn) uovl1xd4vfk(; -nx,s 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 l0 o:v mji2ky,eeg including the foot when the leg is stretched straight out. Assume the iyoe2j0mk:,v person is 1.60 m tall.