What is the SI unit *n y6qaumf d58f o,kqaa8kq(5 of momentum?

  When a cannon fires a cannonball, thh dhsl3-8.x a7bdn)d se cannon will recoil backward because the

  A freight car moves along a frictionless t2d+,8ito9a )klif ))vg n sizlevel 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 velocity of the f2kin 9a v)ltg8sio,)izd+ )t car?

  A child falls sideways off a sled while sledding on frictionless ice.xo-.3d rrp(pn What happen(nx d.-op r3rps to the velocity of the sled?

  A rubber ball and a lump of put0x u)+9p wmak;f0h d2 vqj 5am4zs4vomw;ulx4ty have 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 putty sticks to the wall. Which objects experiences the greater;w) qvo v5+0uzwshp2 fu0akdxm4;a 9mj4lxm 4 momentum change?

  A sailboat of mass m is movic2hj arm,j,d:u 5whk5r mi+p nib35i0ng with a momentum p. How would you represent its kinetic energy in terms of thkida3m uhin5 m0rj :,5r b 2jw5+p,ichese two quantities?

  If you pitch a basebal: w;n6/p:dmhv cj9 h:bcg ud1ll with twice the kinetic energy you gave it in the previous pitch, the magnitude of its momen;/p lch m:b jg:u:hddwv6n19ctum is

State Newton's second law in termj h en3mr8zphnq/v3o7jiup4 o1 6.y*7l5zy dqs of momentum.

State the law of conservation of momentum cbf2cpm32ij 633ylvn )gh yg8.

  The area under the curve on a Fo1orz9wr9el0v xf. f 4prce versus time (F vs. t) graph represents

  Which of the following is an accurate statement?p g( proj)v:w,

  A small car meshes with a large truck in a head-on collv2 h9lku(oh37vs9g 6b,opu cdision. Which of the following statements concerning the mauv g3 v9l(u,chs9 d7bok p2h6ognitude of the average collision force is correct?

  Two equal mass balls (one red ang*osicu 5 ked2sxzh g0 y5xi) ue ee:-m9o-a.1d 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 durm uxohi9e e.0sgo:*eeug5a) 2x5z1-s iyd -cking its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a st 2nhki iyjxa i)l +he;j81sag6c .g/)lationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences tn2xj ia) ek g.6hlj+ci8 s;ihal/gy)1 he greater magnitude impulse during the collision?

  Two objects collide and bounce off each oosk;8ofs7r6l o1 hr*a ther. Linear momentum

  A 3.0-kg object moves to the rzyfgbi7by:do7+aj r53 s6+q kight at 4.0 m/s. It collides head-on with a 6.0-kg object moving5r z a6 q7y+fb+o3bs7g:iydj k 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-ov r)s cm;5pqr:n an 80-kg halfbackm;c)qrv:r5 s p running
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, thenrv*rs) s 0pdjo1shnb8 9h tvc25dn98s which of the following s9n2nbt8 v1sp)j8 r s9orvc0d5h *h dsstatements is true about kinetic energy?

  When is kinetic energy coyxg3ux1m o8 .onserved?

  In a game of pool, the white cue ball hits the #5 ball an9)sb)ui c pcyw )no:v8d stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The9 w)i cv8 obysn)upc:) type of collision is

  When a light beach ball vkpfft-ch5g1-v3.f ,1 wjxphrolling with a speed of 6.0 m/s collides with a heavy exercise ball at rest, t.,xvt1- cvp hpff 1fh wgj3k-5he 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 collision with c 7rs6,u*lcsdv: 7k zka stationary bowling ball in a friction-free environment. If t: kz 7d,s*kulc6 sv7rche 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 collides head-on elastically wn/y 8g*c:vcce ith an identicalev cn/c8*cyg : ball at rest. 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 ligee +dj-cn -w 43thk;sueh79(xycn z-zht object at rest. The collision is elastic, and there is no friction. The heavh9wj ;neszy7z-duhke e(cx -c4 t+-n3y object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v colliyzlusw(03 9vewrl66 rdes head-on with a very heavy object at rest, in6wl urv9y (s3re6 zlw0 a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yellow bsxr p/1jb e-d/-x) ds7wbp0bhn/ww-wall of equal mass movingwwbs7/ -/hdbn 1 xer pw-d psj/bw-x0) 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 he fqbk6xl,x- wi /;5adrad-on with a very light object moving with velocity -v. The collision is eb ;/ qi -darfl65xwkx,lastic, 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 m.v35xn ul9i euomentum is conserved, then which of the following statements is true abou5vu3.n e 9xulit kinetic energy?

  Two objects collide and stick together./b.opl+y73lnp ;d0d w c-yljf Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It c): .o8w20onzmk *kp jm/wqb9 wsytv: lollides in a perfectly inelanzk lv 8sm2yp 9wq)m *j.bwkw0:t:/o ostic 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 with a large object and sticks.- r(zf1wurk 9h:u, jcw)i7 ewa Which object experiences the larger magnitude of momen-jwiw1ueaz wr7) 9u: kcf(r, htum change?

  In a game of pool, the white cue ball hits the #9 ball andvu2c 9e/-kc yz 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. Wh-p+(t*ai/ dzd tinig5 ich of the following statements is fals*i npdt-/ta +ig( zdi5e?

  Which of the following is a false statem dwuu(9+0w+;jch h jjeent?

  Tightrope walkers walk with a long flexibleyt-25 cu,fo/kes 9d v om v3ac/flnj+6 rod in order to

  A plane, flying horizontally, releases 7e/dvh9c +5h p+kfvoa a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass okfv/ 9 ahhe+v7d 5poc+f the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The colkg0+h kb*i+irlision was completely inelastic and both cars quickly came to r++0 kg i*hibkrest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a syst-ii.f+)ylbtp+ foc)t em of particles.

  What is the momentum of a 2000-kg truck traveling at wxeux d8)x8x (35 m/s?

  A 1200-kg ferryboat is moving south at : oo4upa)b9eumzu;w8 20 m/s. What is the magnitude of its momentum?9mpb ; 4uwoua )e8o:uz

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum5e sgh1*qyq 0h j/mv7q when it strik*v0q 5yhq1j 7ghe m/qses the ground is

  Two identical 1500-kg cars are moving perpenjx*ju0 wl4u* dfx27 , coqfra5dicular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. Wr5*xfuja*740x,ldc ou fj 2wqhat is the total momentum of the system?

  A handball of mass 0.10 kg, mpsi- e:cgv.2/eb*sz traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s.sc e/ :z.pei*mg2v-bs What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of2+:r6-97q ztg asms 6yokk* m) rzksoz 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 change in momentum ofo:okg 2 *zqrk9-+6s6)7 ksmmzsazyr t the ball?

  A 50-kg pitching machine (excluding the baseball) is placedi6ea m r3fgjr 4j;9z(r on a frozen pond. The machine fires a 0.40-kg baseball with a speed ofrza jg; 3jr9e rm6(4fi 35 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 caps) *n ,tpq,eartule and is stationary when the tether line breaks. As a means of ret,et,nrp) a q*turning 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 approacheva l)w(wc (zr3:qq3ods head-on a large object at rest. Thw(c )q :3qldo3a vwzr(e small 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 y*ylho;0; +lg2qg ba gjour friend (40-kg mass), who is standing still, with open arms. As you collide, while ;y0 gq*blaj; glg o2h+holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a zwvrv sabb,1mjsz, u **b7)7rlevel, straight road at a speed of 6.0 m/s. Isw 7,ub rbvjz,szmv *7*1)a rbt collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s rn c; 2i)pf2h--u9zgicsyerbq:sv bj(h:5 3xeuns into the rear of a stopped car that has a mass of 1500 kg and they snsei(5)g:zur93 peqf yibs:2j ;2-cxvb c- hhtick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allow )em+(ov jcvd) kqv- p5l8jpk8ed to coast along a level track at a speed of 2.0 m/s. It collides and couples with j-v8 qvkp ve+)pcjmd)( klo85a 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 negligible friction gczuhq dpfk)5 p *+9t;68qjyo on a horizontal track with a speed of 10 m/s. A 7c ptp5oy6)hqqzd+8 jgu 9fk;*0-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 rate of 0.80 m/s (with respe0,. tuyv*x+, if iwheoct to the log). With what speed does the log move, with respect to the shore?viutfwiy+.e* h ,ox ,0

  A 4.0-N force acts for 3.u*q7b2w(7 py8yghq;a pl ida/0 s on an object. The force suddenly increases to 15 N and actsh(iq*ua778qa2pp;ybd/ gw y l for one more second. What impulse 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 qpj v3hxy* y oovr+w-5 q1n(;,au b;dmobject. What is the object's chv-1m ;r+jyw nyqo h,xq5(*u do 3a;pvbange of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a b7*6y u:ijh *umg;2useb ;y vbgrick wall and comes 7 h*2g*;v e:umbyiusbj 6gy;u to rest in 0.20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitchcz: y9l*g ydh*ed to you at 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 is the magnitude of the average force ly9:z*gcy*dhthe bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the ball right befoe hdmx3w1: 6eqre 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 f6w:d1 eeq3xhmorce exerted on the ball by the table top?

  A machine gun, of mass 35.0 kie* gla09r ,em:3 nvtn.aax2 pfln 26oy km96ag, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, 6v3l9ki o rn a9nm2algp20.t6nef*x: yaa,me at 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 de 5 pvuk8+9fflz nv,7joor of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose delfpzkjv8l9,fv ne7+5 u ivers 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 horizontal kte o-52d e aop8cj-4fdrainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average forcp8 oftkejoa4e-2- 5 cde does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 403(p sqesu(wg3 dfd7waqox1 6/ m/s after 3.0 s, when fired33(716s e xpowd / d(sqafuwqg straight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outeo )o, 6wi 6ijsr;oppr2r space. They push each other apart. What is their separat,ijor2 rs; p66pooiw) ion after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to 0nwes z+i f,hcb: ob.6 9. /eecygpka+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 10hgeiz6y+epcbf aw/.,b on9 e:ck + .s.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object wit i; 8tf*+tlxpl (jyvw,h a velocity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.1pwt,j v lyt8(+xl *i;f5 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 intf : g-xxg)xg tm *r8z4nrdc4 b5qg7*jpo a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocitydcpg- zg jqgr5 4mf )b4 x*:nxx78trg* of the block right after the collision?

  A proton, of mass m, ad/rb(s1 ykk9 tt rest, is struck 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 collision? (Assume the neutron's mass equals the proton's mass.( y 1kr/9btksd)

  A 50-gram ball moving +10 m/s collidi*c:jw : mezz, mc- sk1feezp06f1*tdes head-on with a stationary ball of mass 100 g. The collision is elastic. What ete kz,zm*f11cs:i:jfzp6 c-0md*weis 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.);bmqq(kgahp p /qyk2 iko.; /s collides head-on with a 200 g ball sitting at rest. The collision is perfectly elas..ki/ybk ( p;q ;gk)oq p2mhaqtic.
(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 * po.d6cxan+ qo+0jslhead-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after the cola*+qn. ojx0cp6ods l+lision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides head0ld -r3dbh jj,-on in a perfectly inelastic collision with a stationary 2.0l0d hb-dj r,3j-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a p a gts6ly8mmfph5o5(8arked station wagon, who's mass is 2m. The bumpers lock together in this head-on ina8ys658 lf hopmg5(tmelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a verticao1 w/e,z* q 1;db44qlvp gd*ntb(tu epl direction buries itself in a 2.4-kg block of wood a re (bezpq;e n*p dodvl1q4wut1*,4 t/bgst directly above it. 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 with a 300mfdw.a9i0 aa r)1.s ky 6lpxf50-kg car traveling at 60.0 km/h south. The two cars stick together after the lpyr xmda69i0saf1 )5ak..f wcollision. (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 car t: 84yw8h e z6 : hxdvr7zw8emdcrf)ne8raveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) W8 ewdym6f)r :vc:7hhen8zw4 er8xzd 8hat is the direction of motion of the cars after collision?

  Two objects move on a la:okkv+p u;y.evel frictionless surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They maky oa+kup:k;. ve 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 mxv3og ia( n9,North with a velocity of 4.0 m/s. It explodesn, 9vaom x(g3i 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? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at x = + hjdm:f0-qii ,6y kuzrp q/x3721.0 m. Where is the center of mass on the xd3 6m0 ,-fziuqrqhxyj: /k7pi-axis?

  The center of mass of a two-particle system is apdw oqa. 4c;o:t the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the locat4d:;wqco po. aion of the second mass of 3.0 kg?

  Three masses are positioned as follq u6b6-j+n7 * inwy qs/kgfi+zows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). u6wi++nq7 ikzjbnf 6-s*qg/y Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m,q8g.xas t9f//zo7x7k) q jicr vf( x0x 1.0 m), and (27. 7/98(zcqaxxv)okxx r/ tsj0 f fqgi.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 positionecm+kg1tu6 54n4n rg bmd at (12, 0). What are the coordinates of a cur1nm4t 4gmk+6 5nbg4.0-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 calculat af2y0(w/1x shiwl6hz e the position of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the psw/a0fhw x 2y(l6 1izherson is 1.60 m tall.