What is the SI unit of momentum?syrwp:zhtz7 v 38 +u -dt5(klk

  When a cannon fires a cannonball, the cannon w3a 1a)k: gaa( etb1jbtill recoil backward because the

  A freight car moves along a friction rm6la;*cboq m97zs/vless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped intovq ra9o7lc;m b /*mzs6 the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice. What hapt1ekzt vh ) vp.k22gmlsuujd4lx)6- :peum4gzs 1-v lvhp.2dtl)j:xt2k)k6 eu ns to the velocity of the sled?

  A rubber ball and a lump :oa l2wa;ib*5i: dvcrof putty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearwb;or*cai:dai5 :l2vly 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 woulwoyr vqetr -b8 *p*2h-wu8mk 9d you represent its kinetic energy in terms of these two quantities-qur 8- *hwoekwbpm89v2*rty ?

  If you pitch a baseball 8q-nre6; om9cy t5 pgowith twice the kinetic energy you gave it in the previous pitch, the magnit68ngy;poqmt 59ocr -eude of its momentum is

State Newton's second law in ter:z8b5 r1vkj 9i* d.fmhwfdd z+ m7l:cmms of momentum.

State the law of conservation of zfxo -x+p .;himomentum.

  The area under the curve on a Force versus time 7jebbi*+t3 pp(F vs. t) graph represents

  Which of the following is an accuratp99 te 2)qs;r/xbafzwe statement?

  A small car meshes with a large truck in a head-on collision. Which o :q/rbxr8)n kgf the following statements concerning the magnitude of the average collision force)xn /br8rgk:q is correct?

  Two equal mass balls (one red and the other blue) are dropped from the same heigk(kqji1.0 n0- uf1. wanoolfg ht, and rebound off the floor. The rednu-q. a0ofj.i (k011kg o flwn 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 withbu*h7b q.y/3urs wa 1;;v vhyc36sopc 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 magnitude impulse d.3ys3 b1h7c* b;uywc6srquvo; a/pv huring the collision?

  Two objects collide and bounce off each other. Linear mouii c 0i-pt34m ej-rq :-g(qwsmentum

  A 3.0-kg object moves to the right at 4.0 m/sygrbb 7oy02/+ncj j8 oh7g ;ie. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which sta g 87;hbbn +y7o0eigc2y /jorjtement is correct?

  A 100-kg football li*a4xemgy jdh ,gl,*5)dn kbwi( n5 0rznebacker moving at 2.0 m/s tackles head-on an 80-kg halfback ru ,z* 4mljhnr*yn gae(0kd 5xgbd5w),inning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if mr;/ e-fac).i dzj4githe momentum is conserved, then which of the following statements is true about kinetic i/mc d-igj zf.;r)a4 eenergy?

  When is kinetic energy conservet fhl4o3r6*i9yr z6mbm(-0wt 7pcmvx d?

  In a game of pool, the white cue ball hits the #5 ball and stops, while f3*7 klm-ghnqx8 c0el the #5 ball moves away with the same velocity as the cue ball had originally. The type of c hf *l308c-kxnegqml7ollision is

  When a light beach ball rolling with a speed of 6.0 m/s collides wifvt1x+s blbv 9,u+kq,th a heavy exercise ball at re, fsut+x1 k v9bbq+,vlst, 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 cs3m gp;5ua4-w vuh7w zollision with a stationary bowling ball in a friction-free enviuwmuhw; as p 3g457zv-ronment. 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 i)t5 3m :ezxwd5.0 m/s collides head-on elastically with an identical ball at re):m wti5ze d3xst. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light /zzuz on2j1sgp f-wxym.z0/( object at rest. The0.(m2sz/o-pywfu 1/n z xgjzz 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 mo+uo: sq wdz7u9ving with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the hu qso dz7:w+u9eavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yeo9 ba2q0 k8jck nzq bhad 1 al6v/i/t13k64usullow ball of equal mass moving withatkvcul 6jdsk961ab u4k1h q ni20o/ /3qbza8 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 colli-y;sz7b(jtfd ,t5ox o des head-on with a very light object moving with velocity -v. The collision is elastic, and th ;f(y7 doxj-tt5szob,ere 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 whipof8yl .*p; afch of the follo ayl8fpp*.;f owing statements is true about kinetic energy?

  Two objects collide and stick together. Kapstykcp,58 :t 2 g lcju15/xqinetic energy

  A 3.0-kg object moves to stqm6*oli 9rk-y3g y7 the right at 4.0 m/s. It collides in a perfectly inelastic collisiy 9skmr*36iyo g7q-tlon 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 witm:yja ,ju)kt3h a large object and sticks. Which object experiences the larger magnitude of mo),aytjju3 k :mmentum change?

  In a game of pool, the white cue ball hits the #9 ball an7 s1sdw.flpx +d 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 stat u 2t0u8abh6jiements is false?h a6t20i8 ujub

  Which of the following is a false statemt f/bg19ga pqfh)*k+ -meay(okh/; nt.by7 oy ent?

  Tightrope walkers walk with a long flexible6m,sn 5xn7jd r rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hitting twpi6lc b 6-:uqhe ground. Neglecting air resistance, the pc u:i6bq- lw6center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level fbe z rqw-6dl:3edx 6,lriction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What:xw3 dzeer q-l ,66ldb is true about the velocity of this system's center of mass?

State Newton's second law forz3v fr)yp ;ef,6w h)lb4zr9a- :uccl v a system of particles.

  What is the momentum of a 204ahc1ge . doz2n9f3vvlo(,l rv;bn9m mplj9)00-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 v6oau1q6 ln5tm/s. What is the magnitude of its momt61vo l5nu6qaentum?

  A ball of mass 0.10 kg is dropped from a height o6zb us87 sgj5uf 12 m. Its momentum when it strikes the grousg8ubs6 5j7u znd is

  Two identical 1500-kg cars are movu,94ngc (rl nn:lx4 (a:dbrm eing perpendicular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the total moug(l9nec4,n:a b 4 dnxm: rrl(mentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, strikes a wallc)srbc) (ck,j x-(o ej and rebounds at 24 m/s. What is the ch )eo( -rjccjx(ck)bs,ange in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speewv;q xkun bz2c b; -lkqi*o(wg8:9ih8d 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 ow;qv;kh:-b cbz*iqux8gn8 (9l ki 2wchange in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is.f.96h gakmrgrtn3 s 3 placed on a frozen 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?mnt6 r .9gfg3a.rksh 3 (Assume negligible friction.)

  A 70-kg astronaut is space-walking -mn:6;f km xt+e; *ghiqpas90pynar 4outside the space capsule and is stationary when the tether line breaks. As a mp*+n;- amex0: 9pqt6;s hgn mfar4yikeans 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 capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large objemq, z6 ovr/eauj-kc)a+v 3 r-yct at rest. The smallr)ak3cq zyoj-v,- mvr6 u/ a+e 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 to greet your friend (40-kgbxk 3* o-:c0lv2g5kfv0q mklm mass), who is standing still, with open arms. As you collide, while holding each other, with what speed dog32l kkf0lmv*mo5 vxqb-0 :c k you both move off together?

  A car of mass 1000 kg moves to the right along a level, strdkoj,h0(tu,aa 0wb 7 maight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision? (,k0dhta 7w0mujb ,ao

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopc2+j8 1,jedzx vmqch .ped car that has a mass of 1500 kg and they s8 dc, hzqmcje.xj +1v2tick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15r/v hhleh(8.q ,000 kg, is allowed to coast 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 brakrve8/ h (lhq.hes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rol (nklkxsv+s/x02ln4 ri + hwj5ls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0 xjw+l i( 5klrn/svxs0k4 n+2h m, and lands in the car. How fast will the car be moving after this happens?

  A 60-kg person walks on aw9 ndf()ub +vfl4o-q f 100-kg log at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect to tf-qufv +o)l9w4df (nb he shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddedds,np(a (kal sv2j04sb0 :ln jl:ei7nly increases to 15 N and acts for one more sec(l ( lansedplk:d07vsjs0 , ia:jb2 4nond. What impulse was imparted by these forces to the object?

  A constant 9.0-N net fo :hfcgd0-;+dqery dg. tvp0y)rce acts for 2.0 s on a 6.0-kg object. What is the object's change of velocityy)ehdc;dyfq .0g 0r-t vgd+:p?

  A 2000-kg car, traveling to cw 1mv59zf2liygz*i2 0 .u aeha9m0vxthe right at 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is5vmmxwi2y9 1eaa 0i2c9g vlz0*zf.uh 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 back p.ha x(her - d3 a;dry/01hlbnalong the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magla.3;drrdabpx /-h(1 0heh yn nitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the ball r-8li (fc,m pj s5qek *zkcob ,od8x*y;ight before and right after hitting the table top are 5.cio *,p-mbk8c (8dqfl,oj s; ke*y5zx 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 table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram hqrdu(ml+ 3yc l1fdug*v/*9k bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What i**u h9f1gu vk (d3l+ lr/yqmdcs the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building iwx3whw o0/, w 2brjtr8n 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 velocityrr/wwbx 38 two h,w0j2 of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minute. It fg4 .di/g 7z5ro fz dqg2x/saa.alls 3.20 m to the ground. Assuming the water doesn't splashzriqf./xd7 .g zas dg o2g4a/5 up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 2j+l/aqd honqq09f*c 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket engine hcq0o /alf2nq+9*d jqexert?

  Two astronauts, of masses 60 kg and 80 kg, are initially aszo* z:( fu hhe45bs3kl x+n k)sum(4lt rest in outer space. They push each other apart. What is their separation after the lighter astronab44s (3lo+ khzsunhklmz es*)5x f :(uut has moved 12 m?

  A 3.0-kg object moves mibdka( d3, t g8xlsz)uu0 t w0 z/tm;3km7q)ito the right 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 kinetic energy aftegltbmt))3 70ks8d3qiimtk zzx/,m w ua( 0u;dr the collision?

  A 0.10-kg object with a velocity of 0.20 ;ue,omk4qqnh .f6 rw8 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after colrh,eu. 6 oq84nq mfw;klision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.0urwax,2c+tuucy5a3j ;-sw8 )uv zy3b 0-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its origina5-uu ,3c;xyuvwcar3b+)uj2 azs8wyt l 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-p;j4ma+pbtsw 0 article (which consists of 2 protons and 2 neutros;j4btp w am+0ns) 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 stationar 8 r 5d5dqash57jp-ethy ball of mass 100 g. The collision is elastic. Whats5 dh ap7jd-the5 r8q5 is the speed of each ball immediately after the collision?

A ball of mass 400 g movimlekbt7t (zd, p+e+7mng 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 perfectly elastm7e t,et ++p7dlbkmz( ic.
(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 kg,ac8 eju9k0 with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after the collieakk0c8 u ,j9gsion?

  A 2.0-kg mass moving to the east at a speed of a rn7db45xph 7iln1*x vi3u a84.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lo31 8d5hr xn7iaxa*l bp7i4n vust during this collision?

  A car of mass m, traveling with a v)m20eulwi2l :0vc fzj elocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. Wz celu2m) 0i :w0vjfl2hat fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries ithg ky2 6,dew2tself in a 2.4-kg block of wood a rest directly above gk2e,6twy2d hit. As a result, the bullet/block 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 witp/x.1 i; 50l2dtzp.pfro y) wkx8 jpkxh a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collisioppl.0x py.rx d;z o1ixt)fpj /8w5kk 2n. (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 wit**asl 6 sdbeqgpk0m80s ,1 nekh a 3000-kg car traveling at 60.0 km/h south. The two cars stick together afters, 0e6 mekpbs a0q kn1s*lg*d8 the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on ai(, .yqt(9y7 rocg ttv level frictionless surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly it.7( y9tqigy,rv toc(nelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of 4 o+ue8v/sj*baj4 ;;0.xbdcdezp fhs).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 )j;/f j+up s80bvaeh4.bd c xd;osez*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 the origin, and a 10.0-kg mass sits at x = + 21. lx oa4cnj67u:0 m. Where is the center of mass o u7coa: 6jlx4nn the x-axis?

  The center of mass of a two-particle system is;z hohn/;j a.h at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the locath ;n/zhj.ah ;oion of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), a sj9un m tgm,6m.)qxw*nd 4.0 kg at (2.0, 1.0). Determine the coordinates of the center of m) mq6nsgwju*9t m x.m,ass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0)kx4xgjbxy9:w s/l 1u8, (1.0 m, 1.0 m), /gwyl 41xjux 9b:k8xsand (2.0 m, -2.0 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 pod; s: 5.lsv,j;;uk c ;o;olfqta,oy igsitioned at (12, 0). What are the coordi vlodsa,:oq 5uysif ,o; cl ;;t;;kj.gnates 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 qo2 ev+qohi/) position of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the persqo2oq/)h+ vi eon is 1.60 m tall.