What is the SI unit of momentd2qzs-*ynddx / b.57vc xes7mum?

  When a cannon fires a cannocm.n ddx6lis- 00zmm.nball, the cannon will recoil backward because the

  A freight car moves along a frictionless level railg2-lt/1 fwl pat +/+vikoom:m y)/vxfroad track at constant speed. The car is open on top. A large ltvgkllov m1 fawx)o2 +iy-pm//: /f+toad of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless wrz8.5mfemn(+h4 jyp snsz )5ice. What happens to the velocity of the sp.w+zf8sem hrmz) 4y5n 5sjn(led?

  A rubber ball and a lump of putty have equal mass, ogdl g * o:b/6nic7eaib*t4x. 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 go:**bb4/ogg ,nt7ae l xi6dcireater momentum change?

  A sailboat of mass m is moving with a momentum p. How would 1s4 5gc lub 6a4lgf4yo gpy2kxd *d5hg(p(xo/you represent its kinetic ene6f 4 o( 1*k2gc/(4yxos5l5 gb4pygdaxp uh ldgrgy in terms of these two quantities?

  If you pitch a baseball 0ucfx +y-kpt+ with twice the kinetic energy you gave it in the previous pitch, the magnitude of its m+0tkfy x-up +comentum is

State Newton's second law ivgchh(+o, (cln terms of momentum.

State the law of conservation of mom5iow .wy24lq)e abg a1entum.

  The area under the curve on a Force versus time (F vs. t) graph re :dxrdicgcs,2ife)8 -presents

  Which of the following is an accurate statemena0l-0r61.hf te, 8dbyf nirtr t?

  A small car meshes with a large truck in a head-9ic. tcf/j, zaz fjgf-0wmt3 7on collision. Which of the following statements concerning the magnitu .za9 cgffw,0jiftm37czt-/jde of the average collision force is correct?

  Two equal mass balls (one red and the other bluerl,wx.3 efsbl rqnhl)bs- ms(o0o. 69) 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 magnitl(.r-o l3w s6fqo9b,) b.srsm x n0lheude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides withe -4 row7(s(3 3mrzjltv/im5xtvz rt; a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to tr;j 7 3x/5e4tsm v3 vwto( zit(mz-lrrhe east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Lt.lwo6nsnab +,ks 1a:l1.,jsbeuo9hinear momentum

  A 3.0-kg object moves to the right at 4 1qsb6x n 9;9spaep7 pj(e,ghg.0 m/s. It collides head-on with a 6.0-kg object moving to th9 p76as,g g1psbn(eq; hjx 9pee left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker movingp.l*2wljc t1 x at 2.0 m/s tackles head-on an 80-kg halfback rlcl* xjp 1w.t2unning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then which of the follow asw:eyh4 q845 j9yr,l umavf.sr r+4ting statements is e8 9asr 5u,r4t4+mvy:qh4lf wsra.jy true about kinetic energy?

  When is kinetic energy conserv yks.r .. vyuy7 +oe;h)ip9heaed?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the b1yrub91* h yx#5 ball moves away with the same velocity as the cue ball had originallby b* 1huyr1x9y. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collid1czq /7 se4lqrwr e(v4es with a heavy exercise ball at rest, the beach ball's speed q47vlcr41qr e ewz/(safter the collision will be, approximately,

  A golf ball traveling 3.0 m/s to z5. lbl 5ylrv3the 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 the golf baly5llb rz.5l3v l immediately after the collision is

  A rubber ball with a speed of 5.0 m/s colle1 xl lj:yig8kmf,/w 7ides head-on elastically with an identical ball at rest. What ismlx1y fe lwjg,:7 k8i/ 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 qm9 itz 8h2xf-vhe5kej67 j-fobject at rest. The collision is elastic, and there is no frh7 fjftkh 5zeq ij69-m ve2-x8iction. The heavy object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed yys kypb)jrz ,gr .b/o-: +v)tqmzd0 5v collides head-on with a very heavy object at rest, in a frictionless environment. The collm k r)- sgjzyyb:p+5rtv,.) b/zqd0oyision 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 yellcdjejoq5 n f3(kr(g1 7ow ball of equal mass moving with a velocity of -2.0 m/s. ke(jgnc3qr1o jf ( 7d5 What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collm/g7bk-v66hnf s4 t pzides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no frih6z s 746mpkg f-/tnbvction. The heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collisgwhmpdtrk1 , r:/) 7giec ;kj:ion, if the momentum is conserved, then which of the followintjk;gwi:/r,k : h mc)rg71dpe g statements is true about kinetic energy?

  Two objects collide and stick together. Kinetic ecg6m(3660l buedy eui nergy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly ine mg4ccd (1 +v3;gfuzftlastic collision with a dfu;t 4 gzvcmg+cf1(3
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 latcofx 12s: p*qrge object and sticks. Which object experiences the larger magnitude of momentum changxs: tq*pco2 f1e?

  In a game of pool, the white cue ball hits the #9 balvv k* wrcxn-c 54.uxb1l 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 statements is falsco,dr1- - ov x;p:xypi fl0:woe? o :0plvix-f,o:xcrp ;yw-o1d

  Which of the following is a falses( :1( vjo70iijeqd hj statement?

  Tightrope walkers walk with a long flexiblegwuo i pj2u-uny.s )-t:s7api 2--ihv rod in order to

  A plane, flying horizontally, releases a bomb, whi /1)1f*bfsru+vxfh g ich explodes before hitting the ground. Neglecting air resistance, the center of mass of the 1ff ugh+* bxrfvis1/ )bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-frkj d+eumg8bb) u* y4y0ee road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the vel ky*y)j80g+4deum bu bocity of this system's center of mass?

State Newton's second law for a b ov-.a.v/q11oul2ttuik7k y system of particles.

  What is the momentum of a 2000-kg truck travelin;0q 5vomqbq0 9ral3h pg at 35 m/s?

  A 1200-kg ferryboat is moving south at a4wu0 j ,5ri5cbp/yev20 m/s. What is the magnitude of its momentum jw5iu5ypv 4e/b c0ra,?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum when 2s7 5s1 yg( 9cnxqj,9iybrduvit strikes the groun qunsxyysi(7j99 5,d1c vbr 2gd is

  Two identical 1500-kg cars are movinmzdnkj .5 *:/oxjr,q -)gc/2jp miakbg perpendicular to each other. One moves with a speed of 25 m/s due north and the other :cdk*j . /m),5aqpno2b zr ji/gk-mjx 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, strikes a wall and8y-mo3 .s*8t/d jms9dbr fegp rebounds at 24 m/s. What is the change in the mo-jp9ym*ddgt osfmer s.3b8 8 /mentum of the ball?

  A 0.060-kg tennis balljbtw (b4 ,e94g6j hk2y-w lhso, initially moving at a speed 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 change in moment hwj2 94ybeogksh4t,(6ljw- bum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed mzun96p hv6s02ei5i syb2 je (on a frozen pond. Themesje(z ps26 6bhi2i9v5nu0 y 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 friction.)

  A 70-kg astronaut is space-walking outside79 as0+*3jefxplfr cv+ yzm9m 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 capxfca y s 0m+fp99jl3m*evzr+ 7sule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/ ur4y/97h4 qvbo-d ppis approaches head-on a large object at rest. The small object bou pyob4 9-7p hiur/d4qvnces 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-kg mass), wh)4s9tcve;zy98l cwsp o is stt9c ce; )84lsys9pvw zanding still, with open arms. As you collide, while 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 at a sc*nipc1rt ( vbt2 8.yqpeed of 6.0 m/s. It collides directly with a stopped motorcycle of mass *y. 8ct12cqtv ir( pnb200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped car tha;;em-g1iia w cvtye((t has a mass of 1500 kg and they stick together. What is the speed of the cars after the colg-y;1vmect w; iiea ((lision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level track 4*/ir .cmbmquat 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 is tqu i*4m bm/.rche speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a wb0rfdte0b4cf( m 0-u horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0 m, and lands in the car. H0b cm0wrfdeb0 ( tf4-uow fast will the car be moving after this happens?

  A 60-kg person walksuhs7 g b4sdj1f:d+z3yx q(:z5sya+g j on a 100-kg log at the rate of 0.80 m/s (with respect to the log). With what ysaj(ug +d: xq :z417hsy+sgd fbj5z3speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenlyje1a1 c *swx9x increases to 15 N a19xxesc a*w1 jnd acts 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 object. What k b9m .pr; hl:l6dfk)vis the object's change of vbrd.v 9k:khlm f;pl6)elocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brickhw1p zp -t5r 739u;kl3 gudhr t/iq7zc wall and comes to rest in 0.20 t9ph7tp5g 1 /c3w7kq-;ul z3iurhdzrs. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to yo6i/ dpl9a be 7p6jgf9v qb.v/zu at 20 m/s. You hit the ball back along the same path, and at the same speed. If the batlqf7 ze6jv.pg/9pi96b d avb/ 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 table top. The speeds of the t etb2e08 di4gball 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, what is the magnitude of the average force exerted on thte0 i2deb48t ge ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with *po3atcn5,2tp t,emb/ v ly-ba muzzle velocity of 750 m/s, at the rate of 300 roundsp - 3 ,5 *vty/2maobcp,etblnt per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of asr: q4neovu6cxdn1y7i *-h p4 burning building in 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 velocity of the 4nh*eq p6 ury cno1v47d i:s-xstream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate8 kr;h r:0yhap+7 bcaf of 120 kg per minute. It falls 3.20 m to the ground. Assuminrr8ah: cab7kh p;yf0 +g the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s after 3.0 s, whh.;izfgar ow * jn9c;1en fired straight up. What average thrust force does the rocket engine e*f9; c.a;hjrong iw z1xert?

  Two astronauts, of masses 60 69sfl*fgc* ky kg and 80 kg, are initially at rest in outer space. They push each othes9 c*6lfgkf*y r apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object movej 6zg)cm-zj p8s to the right with a speed of 2.0 m/s. It collides in a perfectly elastic collision with a zzg6j8m)pj- c 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with j(:h6g z9fhhs df5f0pa velocity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object is0gphz6 f:jh 9 f5d(hfnitially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at ,wby)8.uyaypfle 7;rfb (s4k 300 m/s is fired into 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 vr(l.)7y fp8eafb b4,uy k ws;yelocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-jsost hrdb(1 qwm ,zh, 2 fm))0pcsl15- z;dfqon 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,f25fss,sb )c ;m(z) lqrmj1- hdptq wdh01oz 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 ballu5yw n0j(haqdl4,u a3 of mass 100 g. The collision is elastic. What is the speed of each ball im3 q a5 luuyjw,0h(a4ndmediately after the collision?

A ball of mass 400 g moving toward thgdi- u mdbse296f/9ns 2; mgndje/3xxe east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest.x9 / 3d2 i;6nm 2 sme/ndfgej-bdug9xs 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 chd9 *j uy1iay8ollides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after thejhy8i*d y9a u1 collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides hhfxe f et:0;.2 emr2cvead-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost durinxfmf e:2v .het;r0ce2 g this collision?

  A car of mass m, traveling with a velocity v, strikes a parked stat9 d +sx96azmfvion wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic c v+f6a9 d9xsmzollision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction burh . c9ohcn28xhies itself in a 2.4-kg block of wood a rest directly hc 82xo hn9ch.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 ady f-hp5 c1w.xuubbq :l89z 1qt 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stidzby9wq b1uflu ch -1.qx5 8p:ck 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 a 3000-kg car traveling m) he6jobi vva:s ,vh u7h)0+fat 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 collvus j 0v+ f6ohi ,)hmh):bea7vision?

  Two objects move on a level frictionless surface. Object (we-v:9t . v7nemepwdA moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. What is the magnitude of thep :m-e7etd (w.9v wvenir combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the b1aqc 24c u 3kz,oxcg;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. What c ,b3c uagqx2c1z; 4kois 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 = + 21.0 m. 0q8+ h jw5lwouWhere is the center of mass on the x-axis5 owju0wqh8l +?

  The center of mass of a two-particle system is at the origin. yzyahgey. /15 One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location oea/y.zg yh51y f the second mass of 3.0 kg?

  Three masses are positione)p. n4nxc7biad as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg ainp74cn .xba)t (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are ln. y 19d.mzo2lvxcjz x4b,a+jocated at (0, 0), (1.0 m, 1.0 m), ann 9o.za 4xv1ljbmjc, d+z 2.yxd (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 positioned at (12,cs a,bq.n9 akm, 3wn+gu( ktg/ 0). What are the coordinates o3nag kcu,mgns /. bq,(k+ wat9f 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 tlr-k2vm76)vc .bksrb he position of the CM of a whole leg including the foot when the leg is stretched straigkvb7)6 rlbckv.- smr 2ht out. Assume the person is 1.60 m tall.