What is the SI unit of momentumd3imfv/ 56c bb?

  When a cannon fires a cannonball, the cannon will recoil backward because t,g5d;c n4d 8k6bzfb4q3u n sabhe

  A freight car moves along a frictionless level railroad track v+ egbmzikt;9 ;0nb1rs5 fbm :)xsdc-at constant speed. The car is open on top. A large load of coal is suddenly dumped into the camvt51 bd9cn 0)sse-br:m gxfib+k; ;zr. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictbwm s+:c 1p 5c)f8yuv4axks8 yionless ice. What happens to the velocity of the sled?ak 14:ump+8 yb)x5fcs 8vcsyw

  A rubber ball and a lump of putty have equal mass. Tn uc7gerr*5, khey are thrown with equal speed against a wall. The ballkec ngur*,57r bounces back with nearly 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 movii0 qy9uob7ii,0gbb/q ng with a momentum p. How would you represent its kinetic energy in 7q0bbi,/u9i gyq b 0ioterms of these two quantities?

  If you pitch a baseball wod vj 223mymhv di.4ky,v q16iith twice the kinetic energy you gave it in the previous pitch, the magnitude ,2hi3vo4iyqvdj. y6m v d1mk2of its momentum is

State Newton's second law in terms of momentumdm7 -* j+jk)lcxlph.i cq4. zu.

State the law of connh83yss pnvj ::2x* fencfws1.6w9tdservation of momentum.

  The area under the curve on a Forayizoy97v :0of- bg5y/7/dt j oloo8nce versus time (F vs. t) graph represents

  Which of the following imdv +a25zp. r9xn8j lrrv/tb7s an accurate statement?

  A small car meshes with a large truck in a head-o k tx*,z9,t3kr slm1ttn collision. Which of the following statements concerning the magnitude of t93trt,l, t* zmkxkst1he average collision force is correct?

  Two equal mass balls (one ree*qx u :o :i)c+2xxtred and 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 grecx:xe2rxo:*+)e tqui ater 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 statiow1 m;bx qg1kf.rxc4d0) kz0rq7ec-dznary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the eek-x4;qdr)c. 7 1z0zkxdw0cmrqfb 1g ast. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and boun(. h xff5lmn4xce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It co3u g 5 te5jxhlm9jt-ar0;fxe4llides head-on with a 6.0-kg object moving to the left at 2.0 m/j; x39t j4uehx 0lag5-ft rem5s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kgrsp(jds6 h oo,3f, 1ouw::llg halfback runnswpo,fu16,d3 g(r h l:oj lo:sing
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then nm; 1vi4fnk/+x; v 6esrr ;kwhys:-uvwhich of the following statements v;k n6r hsvr-f/;+mexks1wu4ynvi:; is true about kinetic energy?

  When is kinetic energyfro 7ju s8xi;usos )sb*2 g (x5.nxz;b conserved?

  In a game of pool, the white cue ballal7 5njti5; ;wrdy,vx-b/ 7s wt9ay mw hits the #5 ball and stops, while the #5 ball mov5;ibw5,y7 antxsm 7wv t-9a d ;ljrwy/es 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 wi zoit l,h. /wz.;qq,octh a heavy exercise ball at rest, the beach ball's speed after the collision will be, w;ozzot,/ c lq..iq,happroximately,

  A golf ball traveling 3.0b j1;dtpta 1,;sp h)tg m/s to the right collides in a head-on collision with a s1 d t;tpthbj;)gp1a,stationary 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 collides head-on elastically wit .ctkpn2*nv g)ek9t2 ncni8 .uh an identical ball at rest. What is the speed of the initigu.2 k8)2p9 tct nv*k.encnn ially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light obj4nzrrh5j:-k ject at rest. The coj j-kr4nzr 5h:llision 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 moving wit9 ht y k:zyip7fl*zp//h speed v collides head-on with a very heavy object at rest, in a frictionless environmentykphpt/7 i/:*y9z zl f. 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 collidesm ie,s2huv2 wgkbp5yz:-p/yv 7-k w rzr8np+; head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the cok,zmnhwzy/k-2yu27s rev pr : +v; i g85p-bwpllision?

  A very heavy object moving with velop*/xfp0l wl1iy(3 ddmcity v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of twlf p0d*ixpmyl3 /d(1he light object after the collision?

  In an inelastic collision, if the momentum is conserved, then which of the /yw;mvxn.w voix.,8vfollowing statem.ivv, nxx; wy o.v/8wments is true about kinetic energy?

  Two objects collide and stick together. Kinng g04a/ x*znketic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It colliyhw: t;zgvh1/des in a perfectly inelastic colgt: w1;hy hvz/lision 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 ;5 q1qffh47:zurt z2gz4rqab and sticks. Which object experiences thr:qqb r 4fg 4zq521zf7uatz;he larger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is di 9s apu9f.zn6eflected 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 follnw(t 86l3i zf4d + ldvhver tbyj/m90-owing statements is false?3fzeln+0t (d6wvmb4jdvi/8ly-t9 r h

  Which of the followiiqck0y +0+cgi ,bqa c2ng is a false statement?

  Tightrope walkers wai.3h4hih9 p75ewpwlq2 uyo)pt,.wj j lk with a long flexible rod in order to

  A plane, flying horizontally, releases 9srv.8q v ske cnm:(h9iw9wk) a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, re:i9k s)9.smw c 98(nhwq vkvjust after the explosion

  Two cars collide head-oy1qrtbn g i9q.jeap m6(-g5r 8n on a level friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velom qj5 q6 gb8.g1inrpea9-(rytcity of this system's center of mass?

State Newton's second law for a systemk ji4,ei 6natysuzy87:da3 * 0c jnj3b of particles.

  What is the momentum of a 2000-kg truck traveling at 35 m/s?8xxc;3jfh ezddh1( dv 6sr(g -

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnituwj.5mo.x h0a)o.zp 6rcqbw )gde of its momentum?bxaogm c5)w q.j6).zrwo. 0hp

  A ball of mass 0.10 kg ihg :ww.-5pw/* wyobtks dropped from a height of 12 m. Its momentum when it strikes the growo wy:wb.h-pwgk */5tund is

  Two identical 1500-kg carxpvpqdl,o.j .ie-4 )b s are moving 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 momentum of the systp-4,.p xq lie)ojb vd.em?

  A handball of mass 0.10 kg, tra1irlsxr6b8t 1veling horizontally at 30 m/s, strikes a wall and rebounds xlist61br1 8r at 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially movinge1 kk-pu;c . skwm;u(e at a speed of 12 m/s, is struck by a racket causing it to rebound in the opk ew;usk;u-p1 (km ce.posite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (exclude wneamzi.3.7d3d bt 6ing the baseball) is 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 recodadm6e ..37n3ewizt bil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule andvjpd+z -xofy5/ ,+k hxiv,)pb 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 caps )bfkdpih,,xx5 +yp+ zvjo- /vule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large object at restl-l h*yl-n nqr1wq:3:-a.h 1yjnuf kb. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's a.fwn1r-yl - jlkqnynh-*1q:blhu 3: momentum change?

  You (50-kg mass) skatemb hpawc 73pu6f(lwu 34m s8j- 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 om -sp43c8a7hw(m j3bpu6ul wfff together?

  A car of mass 1000 kg moves to the right along a level, straightap1sp pr:jycn */w j1 l*ma6*y road at a speed of 6.0 m/s. It collides direct1ar *l* /ypjnsyca*6p mw :p1jly 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 runs into the rear cexxw0(( y6ar.xo; ntof a stopped car that has a mass of 1500 kg and they stick together. What is the speed o ;x o .wya0nec6trx(x(f the cars after the collision?

  A railroad freight car, mass bmmwwwvyy9s1.,lyg r 1hhb.*r0y: 5u 15,000 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 brakes released. What is t*rlvbgw1r 0wy.5m 9h, yybh1y :.uwms he speed of the two cars after coupling?

  A railroad car, of mass 200 kgc gt4s89i(mw6)j/max x q *(4idcdfli, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a di*f j(i wx)6sdlg(4/aq4i i8 cxdmc9tmstance 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.q;x5 n m0ba 6woa;2ohgrc ;(dy80 m/s (with respect to the log). With what speed doo;a;6x cmo2 wrgnh;b (0qda5yes the log move, with respect to the shore?

  A 4.0-N force acts for 3.4 j)q9r0te ex0 qrn frz1q4-ah0 s on an object. The force suddenly increases to 15 N and ac4 h4)rf raxtne01q9- q zerqj0ts 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 is the obje d wo/z;4d4glyct' g4l o;dwzy/4ds change of velocity?

  A 2000-kg car, traveling uqmob a(cf 1.ne327zi8yzeafx1k))k to the right at 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is the average force the car exerts onkxm3f2e)7. ( ac aoq i 1ezfnbz)ky18u the wall?

  A 2.0-kg softball is pitched to you at 20 afjw2e6e3na 7py t e5e* m8rjl51 dbe,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 0.1j8e 5 a b5 dne3 7et126,eymlejp*rawf0 s, what is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is drop 8,o0t hizfno7 (natvf 9i*ma.ped onto a table 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 collisiont fof,n0.i8hmt(7 *i9vna oz a 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 5c lqjn buu7;-;l8 dpz2k)8bmb0.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exertebcn lm8uk8u )pbd;jb-7 l2 qz;d on the machine gun mount?

  A fire hose is turned on the door of a burnin 50jk3lh*akb gg 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 stream needed, assuming the water doesn't bounce bl0k3gja *k hb5ack?

  Water runs out of a horizontal drainpipe at the rate of 12fjfq79c tl: 03n57 idvdi:mfk0 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what avera:mcl73 7f9 nfi:i d50k dfvjqtge force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/ y wegz4hm3w9 *-;bd:zo f0apms after 3.0 s, when fired straight up. What average thrusm4pz 3y wa-w d*f9 hgzo:;me0bt force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at restrg(i,,vejj::n; l4h/bdq t sk in outer space. They push each other apart. What is their separation after the lighter astronaut has mlrqk t (bd4/hes gjv,:ij, n;:oved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. It collidesf0gr vm d-p9 snxn7t;,c-au3h in a perfectly elastic collision withcs7,nga9dut30 vx-;fnr -hpm a 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 a velocity of 0.20 m/s in aht9(2xzd fw75; g*ko 3tf kqithe +x direction makes a head-on elastic collision with a 0.15 kg object ini7k 2*a9i z(hx t53okqdw;fgtftially 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 into a 1.00-kg block at rest9 ;jmabg:a6u d. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the veloci;jau :a9g 6bmdty of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particl7sq q j 2sm,ee)jq03 x5ip2vo8irjs z0e (which consists of 2 protons and 2 np3sj,jqiz 0 8x ) srqsqej5omve0i722 eutrons) 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 stationary3et79rg fx +f )8t, ubndaq ;h)cceb*i ball of mass 100 g. The collision is elastic. What is the speed of each ball immediately aft fceb 3,*)bh;tceg7f8)xuita 9 qn+rder the collision?

A ball of mass 400 g moving toward the east with8p/g)4 ik0;7olo hslj5ll vni a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. pi7s0n /j)l;l5 84g okhoilv lThe 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 9r- dhg+xspv3 y*mgw6kg mass rs 3dw6+h v*gmyxg-9pat rest. If 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 speed of 4.0 m/s collides head-on in a peh;f/ j:pw.pgu o;u3yi rfectly inelastic collision with a stationary 2.0-kg mass. How much kinetiu: oph;g;j3ypi/.wf uc energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes c 1bn)fijx1*w a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial k*x1)in j1 bwfcinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction bur8u9f sx8pa/2dd a otxvzax*7te.3v3kies itself in a 2.4-kg b.a3kf *e83ap vdatvxs2 x79zx8d tou /lock of wood a rest 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 3000-kg car tt2kmaa,theqg)t q( v7gs5 ,s)raveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed of the cars after ca tm 25h7 ,eqsv tt(s))qk,aggollision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg nisvh) u4q o6c5iz0ygl50t:l/ nkjr: car traveling 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 n l rq/65t5o inycg:4 :)0vluzihkjs0the cars after collision?

  Two objects move on a level frictionless surface. Object naj;tja/4m.hA moves east with a momentum of 24 kgm/s. Objectmh; t. 4/anjaj B moves north with momentum 10 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 kg, is moving toward the North wit wz0meeay -3i,ve;r7u ;p nox+h a velocity of 4.0 m/s. It explodes into three fragments: a+anv emozu3;-px0,; iywree 7 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 sitsmjevb q k,ovod, k9ej +ttg+i0*;u((f at x = + 21.0 m. Where is the center of masstet; dgfo, kj(qkue+0j*9ibv,+(o vm on the x-axis?

  The center of mass of a two-partic;de dnqq)8k-bdz p:dka 7t:2wle system is at the origin. One particle is located at (3.0 m, 0) and has a mb78 tand -dk; 2q qpdk:z:)ewdass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 24 ;ylu mgwm09r 0rqyo7.0 kg at (0, 0), 2.0 kg at (2.0, 0), arw guoyl mrq4 ;09ym07nd 4.0 kg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 urmjpizqn 8 )d-4,3vg d0iis/ kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. 8)svidg- zp, djr /mu4ni qi30What 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 positioc;8 ejaq9p a 06wj-yrmned at (12, 0). What are the coordinates of a 4.0-kg mass which wila m -jp8ra 6cwy09qj;el 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 pogzp8:4o5j1e9jh nl c1sv 4gz wsition of the CM of a whole leg including the foot when the leg is stretchezvs lhjjpwg51c og: 49 z8e41nd straight out. Assume the person is 1.60 m tall.