What is the SI unit of,2l r;dun2lxi momentum?

  When a cannon fires a cannonball, the cannon will recoil backwar s 22x:+mwbnt msjr0v(p8 wtn7d because the

  A freight car moves along a friction76yibscj-* yyless level railroad track at constant speed. The car is open on top. A large load of coal is sudd c6*7sjyyby-i enly dumped into the car. What happens to the velocity of the car?

  A child falls sideways or5v sqdz.bfz/ lna,y g+2-4 nuff a sled while sledding on frictionless ice. What happens to the velocity of the sle,z 5-fzyq .bn+2su/lad 4rg vnd?

  A rubber ball and a lump of putty have equal y2 l;ro/ce+(v t1hcdmd/vl/cmass. 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 experien ;/v//cdt(yml hl+1 o2evccrdces the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would y:d9y,vw7mka kou represent its kinetic energy in terms mvd a7kykw9,: of these two quantities?

  If you pitch a baseball with twice the kinetic energy you ga2-r6zvce 8h,qs p-cx ive it in the previous pitch, the magnitude of its momentu x8pi-ch es2-cz 6q,vrm is

State Newton's second law in terms of m6. ty hlur2 b/mk.blf:l1w0 nxomentum.

State the law of conservatio.1jr*k ;dizf f p;sb*//: /tx fsgqbrjn of momentum.

  The area under the curve on a Force versusiv)4lpp zwq1-jqr4q.+ pk5fdw ov: z3 time (F vs. t) graph represents

  Which of the followin:sh eu2 juq* wq,cp(e3g is an accurate statement?

  A small car meshes with a large truck in a head-on collcf *.1p7 efc7 .04ifk gwuwpkuision. Which of the following statements concerning the magnitude of the average collision forcewpu7w1g.k c.4*k ef 7pfifcu0 is correct?

  Two equal mass balls (one red and sea 5/ phis7;(f+ 7cdw)e gbetthe other blue) are dropped from the same height, and rebound off the floor. The f7hc+i7e;e 5bswp/ tgd()seared 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 w,jte13 mlb0 mudxr839y q,y elith a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to t0,3,e3m8r leqm9yy1bdlj xuthe east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounkm+dd5sms/vm68in0 mce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. t5jg ;) jn 5nl.v hp8w oie;u6/q.eskcIt collides head-on with a 6.0-kg object moving to the left at 2.0ctnvs) o ; q5j;ghj/68en u 5.wlpek.i m/s. Which statement is correct?

  A 100-kg football linebacker moving ata3j6k 6nlfghe0m p.m b-0hhe knpo+54 2.0 m/s tackles head-on an 80-kg halfback runna+3mm h ghfne06jpl0-hp5.b ek6o4 kning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserve qgos3 7*u+6ta pff guc-.tz;nd, then which of the following statements is tr.a+ 6 -*ufs; 7oz3tgtg cfupnque about kinetic energy?

  When is kinetic energy conse,nokn9rc 3fv02ijm8 e7bt: o rrved?

  In a game of pool, t*y gxkt*; ;-ahax(6fqr svisfa(u;h5 he white cue ball hits the #5 ball and stops, while the #5 ba ;s5vgtaa uhhx;x -*y if*rksfq(;a( 6ll 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 collides with a heavy umy;v-by *x1r exercise ball at rest, the -mv1xbyy *u ;rbeach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collidew1d4pixcy skoezrf- 470i b63 s 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 the golf ball immediately after the collisfy0iw spdi1x4b k6z4oecr7 3-ion is

  A rubber ball with a speed of 5.0 m/s collides head-on elast(9bm(8yoym 1;xws 4e yu wmc9bically with an identicalo se m4ww(y 9bb1ycmym x8u(;9 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 wiads/q r8fp/j .3zmpt:th a very light object at rest. The collision is elastic, and there is no fricj .srq8p fzad3/ :tm/ption. 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 collides head-on with+j/3,dhuyjcy u- ed 6d a very heavy object at rest, in a frictionless environme/y,huc jd6j- e 3yud+dnt. 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 8/ilz mysbv/ty sczp 18r.+ l/m/s collides head-on with a yellow ball of equal mass moving with a velocityz/i rytbs l mc/ .y8/s1+zvl8p 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-on with a very ligho 4s/udyp2 2(5y dpdixt object moving with velocity -v. The collision is elastic, and there is no friction. The heavy ob y5d2spyxo /42 pud(diject barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, thesopw410m0rycjj /7g5qj h0ie o ,z4irn which of the following statementr0p jg17jqh5iwrc ,/izj 0mo0e4 y4sos is true about kinetic energy?

  Two objects collide and stick together. Kinetic enet0m; kbzqs.3ts -s f1 kjnta (yd;)y)srgy

  A 3.0-kg object moves to the right at 4.0 m/s. iq,u4*sojov5 s3 -uoi It collides in a perfectly inelasiq ov4ss-oijou 5u3,*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 with a large object and sticks. 7dp1l)*hchog4 k7lw5-zhy hoWhich object experiences the larger magnitude of momenoh7)ok5-l7hc 1 w ghdhyp4*lztum change?

  In a game of pool, the white cue ball hits the #9 ball and5z 93rx:s vrcm 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 i jw1z xw:nd22gl4b,ec s falsl 2ebzdj:wx nc1g4 2,we?

  Which of the following is a false statement .du alw2xhcg5 ,o;4cb?

  Tightrope walkers walk with r yqpu* w,,0jza long flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes befor9 u m3:jgbwh;me hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the emw 3m g9;jhbu:xplosion

  Two cars collide head-on ow. phcnsgoz:3kvzm d38ixrn9i5 k*fhb 4 o0 27n a level friction-free road. The collision was completely inelastic and both cars iz 40zo g*c n.53o k f:2hkm 8r3wpd9vixbnhs7quickly came to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a sysa9bf41rww5b pafx /c5 xtlk;+(te-b atem of particles.

  What is the momentumrdjgk dw5h0 e0p 8857dbq; q;b*dyzvu of a 2000-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. vdxtginb k*6 *c)a *8lWhat is the magnitude of its momentu *inack)gb *vl *dt6x8m?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum whenwv/2g xd(i3 tod:j m;u it strikes the g;xidm:gv 2d/tu(3 owjround is

  Two identical 1500-kg cars are moving perpendic 3o7 heqed.v-dular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. dd-eqo7.3vh eWhat is the total momentum of the system?

  A handball of mass 0.10 kg, travelinic46iiq a4 w7dg horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the moc 47w6 iqiia4dmentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is61 le5gv * *yww)siesl struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. Whayw* l1e6ilw)* 5sevsgt is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen6ou m+f+ly2 j.6zhy7v0 wgfkh pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horiz0fy+l+ 6mu.j7hf kovwh gz62yontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside thd*nuog868ru r e space capsule and is stationary when the tether line breaks. As 8go du6 *u8rrna 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 the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches o*e4p v5s z:6uvjyj.exx wa:,3 i-wcghead-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of4yjs3 ujv:aoe*c x-z wv5 p,i.wge6: x the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your 1g.raqlfnu1 hb,7qgm 2 xku4 haz0/2k friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with whatkz,lbgh/akq1un2uh q 41xfr7mg0 . a2 speed do you both move off together?

  A car of mass 1000 kg moves to the rightmj 80wj,-ynok along a level, straight road at a speed of 6.0 m/s. It collides directly with aj-o ,knwjym08 stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs / l(bb4vkgjv;q:9iwp into the rear of a stopped car that has ab:q/vjvl;gi pk9w 4b( mass of 1500 kg and they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15l 5 hil0s)y/fs,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, initiall/s)5 fill syh0y 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 negligibmx6 t.iiqs(k2y6a7 mz le friction on a horizontal track with a atyxmis7i6z2 .( m6kq 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 ed1h: x qqf r,y7kc,zx ,8-w0c6tuzlf je,v 0i100-kg log at the rate of 0.80 m/s (with respect to the logq-cxf6, ke0l0ix 1e:r8dvw y,7, fuhjzzcq, t). 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 in0nt0i f; ;vq9vhomxrzwh0*sn crt,)6 creases to 15 N and acts for one more sec qs;*;ovzv0tm9 0) ,c nh0rnr6ftwxhiond. What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts for d,7 . e34eq,lhmbuspu 2.0 s on a 6.0-kg object. What is the object's change uh. pedueql3 m,4,7s bof velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wall xh4a+ qd8di,o /n:duvand comes to rest in 0.20 s. Wh,n 8haxq/:+id vudod 4at is 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 along thef y9lxpcjdwbx.- )a8 / same path, and at the samax.j/9dp yfc-x 8lbw )e speed. 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 t8wugeqnsu 3 u2k sa32)able 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, w 2q3a )wuks8u neug2s3hat is the magnitude of the average force exerted on the ball by the table top?

  A machine gun, of mador /qvp2 td.*ss 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at o .d 2/dvtr*pqthe 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 buildig0wtu1 rb8o-y ng in order to knock the door down. This requires a force of 1000 N. If the hose delivers 408yr1g o0-utbw kg per second, what is the minimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a hor.9wbrf / swak6 2tughj0b l15qizontal drainpipe 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 fa95rb 1u2w j6bht /fwklgs.0qorce does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s afg ccg8x g i+dt)yc*k1;ter 3.0 s, when fired straight up. What average thrust force does the igkg * d;)ycc+gx18tc rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest6mid+/hd w5;t4ng ;k6 tsxtpp in outer space. They push each other apart. What isigxp /56k stwp+4dn m;6;ttdh their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 d5 ; hhhf)lw6cm/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 hwl6hhf );5cd the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x dirl6 wney-8oo,n 0een m(ection 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 collie0 nylo(em-wn 6,n8 oesion?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. The bulg 4zh(4x gtu.nlet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocity of the block right azh.g4 u4xg(n tfter the collision?

  A proton, of mass m,sr/iy 7s5d tmo6ch5t * at 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 completel itt*d5s6ycs or mh75/y 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 hew(- m h3g7s82f 6hky ogcpmaeq5*djs ;ad-on with a stationary ball of mass 100 g. The collision is elastic. What is the speed of eachm*6a( sg y8-dg ;e 2j 3c7hs5pmhfwkqo ball immediately after the collision?

A ball of mass 400 g moving toward the east with a spk hxm/5:-cmp3 zby /nm1 1cwwfeed of 3.70 m/s collides head-on with a 200 g ball sitting a hmfymz1 :b p1kwm/35xn-wc c/t 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 with a speed of 5.0 m/s. It collides head-on with a 3.0 kg gi1 d dxb ,fmhvx;239* bmypf/mass at rest. If the collision is perfectly inelastic, what is the speed of the masses aftxm/g3h9;fdx2 *p1bmdiyb ,vf er the collision?

  A 2.0-kg mass moving to the ea2j*jcuaov:fvqfih.7 5o(wrk 2 x0 u1vst at a speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost duvu(faqhr f0 *k 5 o2vxc2.:jjwo1u7viring this collision?

  A car of mass m, traveling with a velocity v, strike/ d( 2t5li54zmbobpzws a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inpt(d542zb /mwlb5 zoielastic 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 itselfdh*d:qz/3zui c epu),f7yj q0t,yj(c in a 2.4-kg block of wood a rest dire,q*jhz,cuyd(yd itq3/jef0u 7 )cz :pctly 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 collidesu0bx*wxu : a1q a6m(fcm.k v8g with a 3000-kg car traveling at 60 k:m86vucfw mxa1 u a*gb.x0q(.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 90.0 km/unx:8s;a7as ka bc29fh east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collisi7s:u9axn fa;2 8cabk son. (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 cjxivy5jk t:6e iq24q ,sn,.ua momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. nu62istcqx5. ei j, :4y,qkjv What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is mogx3, n.8:muia os/pfhving 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 mass of 1.0 kg. si:.fo ,8g pnham3ux/ What is the velocity of the third fragment? (Neglect air friction.)

  A 4.00-kg mass sits at the originrid b gm+vnr(b ,6mmyulg- ra, /h,45s, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass on the x-axrl/bgmu(vg imd r5a,b 4mr ns6y-h+,,is?

  The center of mass of a tw15gpq. kyozcu4odgu0kr v -x(z( q4j3uj9nj6o-particle system is at the origin. One particle is located at (3.0 m, 0) and has a mgjq x -kvqzzu94r40ojjun( 5kg6p(3doy1 cu.ass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 0n0hps 5b tns (kkou8+2.0 kg at (2.0, 0), and 4.08o u n0hptk k+sn05s(b kg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2sx6d-6y,zv0)mgl6u 0 p8yw oxf5lcle.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. Whapmlvfcl6sdzx0e5y,g8 wu - 6lxy)60ot 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 massi(y/ 2osc u zxe:wccr.q4kj4g. xr 11w is positioned at (12, 0). What are the coordinates jso u(rc:x1 ce21xqz.wig.r/ywk44 c 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 t/ aga cx(b7r,(jrg wd/+4lwiahe CM of a whole leg including the foot when the leg is stretched straight out. Assume the person is 1.r+ jx/claiw4 bg w7rg( da/(a,60 m tall.