What is the SI unit (inn 8o4b,bl(6 scnmi diwv0; lc.kh1 of momentum?

  When a cannon fires a cannonbav)+.eh2/9 fl ewum3acd- oefmll, the cannon will recoil backward because the

  A freight car moves along a )0 fxc njb)0;z lbbs)lfrictionless level 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 cf s jxbz)l)b0)c;lb 0nar?

  A child falls sideways off a sled while sledding on frictionless ice. What hos p1o5e*p ua3pr75uxdf +tc 9appens to the ve5d1+c o*ap s5r3xft oe9p7up ulocity of the sled?

  A rubber ball and a lump of putty have equal mass. They a m2xbi mo vo0s;ddy+i+lu )d10oyl. e)re 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 wix0l0.i1mdl )oo us vyy)mo;ed +d+2ball. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momenth2k hb5 *0xqwgu.nwb .um p. How would you represent its kinetic energy in terms of theu nb kwb.qgxhw*50 2h.se two quantities?

  If you pitch a baseball with twice touy c1a4qqdo 3g)*cv*he kinetic energy you gave it in the previous pitch, the magnitude of itso4 y*ca q)dc*u1qgov3 momentum is

State Newton's second law in terms of mome )d1sq x/r3g mp ;hydvb5rnx6*:dbcf2ntum.

State the law of conservation of momentum2 8no5jf 74 swiumv(1dw3ezwu.

  The area under the curve on a Force versus time (F vs. t) graph represdx hp : /o)c x-7scj.xd j20xkhsb7is)ents

  Which of the following is an acr.1 y(bpid4z ncurate statement?

  A small car meshes with a large truck in a head-on co-ljuyi v lu-/aq-o9wptgm-t54qdu5 )llision. Which of the following statements concerning the magnitude of the average collision force is corrqmt uyuj54ga v--lpuoq - tld-/9 5i)wect?

  Two equal mass balls (one red and the other blue) are dropped from the x (*po:f,pu6y ca, qzzsame height, and rebound off the y6,q(ocapu:f x,p* zzfloor. The red 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 with a statio) hjm/*b, ytm1a ,6vswfdcltyj0gmp6q 16od,nary bowling ball. The Ping-Pong ball bounces back to the west, and the )ampt61 c*m1m0,,fsh66 ly,dv qjw/oygjt bdbowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off ea+5wd y.euvqxnhu ,x*-ch other. Linear momentum

  A 3.0-kg object move;fvy 5uw,l;4 v2(q3ahda wnyvs to the right at 4.0 m/s. It collides head-on with a 6.0-kg object moving to thew 2f dulwyy, aqn;; 4vvhv(5a3 left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebt99zu3r d zi p5k;njrwd 9s:*qacker moving at 2.0 m/s tackles head-on an 80-kg halfback running rz9 s9jddr3wiu5*ztp;9qk :n
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 tyh gfo9d )0;nx10akdj he following statements is true about kinetic enerxg0d 9k;dya)nf0hj1o gy?

  When is kinetic energy conservewz l:djm1+o7:rxjf h,;n ek c0o 6nzw+d?

  In a game of pool, the white cue ball hits th/ a-mdberu2:0 p fywj;m k/9zte #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally.k0/m2m- /teafdy;j ur z:9wpb The type of collision is

  When a light beach ball rol-v gv1uhtsd 9n/b3e y1ling with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed afteyn3s-9t/uhdg1b vv 1 er the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides jj 5i mz x7hmf.hph3/3in 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 goh3/pij h7j .z mx5hm3flf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/sx ivpn ftem6b/8:k7oy cq 8;i2 collides head-on elastically with an identical ball at restp8vfiqc7k;8n: b2o6/t yme xi. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with spee wo49 eb7kw)8cy n( ,hna)trsjd v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slowrw,kwj)nnt4a7sb8o eyh ( c )9s down. What is the speed of the light object after the collision?

  A very light object moving wi-actc:sdbpzp-b4 x)fe: su*4 th speed v collides head-on with a very heavy object at rest, in a frictionlcacb*e:: tb pssxf4-- z)4ud pess 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 yel- sti30ehbfe (imys,2low ball of equal mass moving with a ve3bys2h e 0ei-,mtfi s(locity 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 light+j/ kqe hk-+na.( hyux object moving with veloc ka yhe/n+qu-hx+k .j(ity -v. The 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?

  In an inelastic collisi qwccw 8r)h1k2sl3m8u;o ek* /yyduu0on, if the momentum is conserved, then which of the following statements is true aboek yu ;1l ms/rc8oqw20)kh8 w*uu3dycut kinetic energy?

  Two objects collide and stick together. Kinetic eneeo, kwqd53+m brgy

  A 3.0-kg object moves to*ztse 58au,c f the right at 4.0 m/s. It collides in a perfectly inelastic collision withe t*fcu5s8az, 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.tqnf2x 1* qh7b Which object experiences the larger magnitude of momentum c xtfqqb7 hn21*hange?

  In a game of pool, the white cue ball hits the #9 ball and is deflected at a)i3c*ftx m5 7ag/jwh h $35^{\circ}$ 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. W . lw,:o gy..a-xgbdn*n m)snrhich of the following statements is falsema.n rd)gnsy lw-o*n x.b,g:.?

  Which of the following is a falkg;rzpo 9wevsa-) l wu1*k;d:se statement?

  Tightrope walkers walk with a zx:s211q m w,f 8sfxbvlong flexible rod in order to

  A plane, flying horizontally, releases a bomb, whi qu2)+z 0vkx(gjy2 o2f zi cvgn))k:r;ct;cv mch explodes before hitting the civc+);xmgz;n22c )ogfy2qukv(jk ) t :vzr0 ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a levk; y)t4fo y l(i.uw12g cbir9zel friction-free road. The collision was completely inelastic and bothzb 9 ;(oliwg )1c 2tkyrfuy.4i cars quickly 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 system of 3 z5c+w2xu midparticles.

  What is the momentum of 1 7xzyl.oa8si h 7/lpsa 2000-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude of its m4v.5z- jzcg e/b(s3qpr,y+m3itnm n gomentum?m s-yvinc tjnbzr. p+mqge3zg4 , /53(

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum when it 8x ibi x2s25hhstrikes t5hii s822 bxhxhe ground is

  Two identical 1500-kg cars are mikvjk sklw7+/1c l-s+ oving perpendicular to each other. One moves with a speevlkj +k+-k issl1/w7 cd of 25 m/s due north and the other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kgt5b;k fg x5c jz)4w);qro i-sa, traveling horizontally at 30 m/s, strikes a wall and rebounds aro5wz s; -g bj;qxkfa5t4c)) it 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s. x hhgsbcpd;84,6 oua, is struck by a racket causing it to rebound in the opposite directbpo68 ,ucs h hgd;.4xaion at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the basebanxuv4 -kuix) 0yqd0- qll) is placed on a frozen pond. The machine fires a 0.40-kg baseball witd40n-) xqk0uyi - xquvh 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 spar/ u2mjq7lt8isr4bj9a g2u3 zce-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to ther2r3sli zgjub 4/28 9q mtaj7u 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 object mdj( ,oaf:o t/c6qz7ys1iu0 o at rest. The small object bounces straight back w:ca /qzsdm1(oio6 0 7ju,oy tfith 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 y1y6r c7qm1 isvour friend (40-kg mass), who is standing still, with open arms. As1m v6rqi 7s1cy 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 a n2o6j8 n*lgf+vjnka*long a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the n 6k o*2nf*jna+lvjg8total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped car that haa0 g507rou7qruopxf8im7n l2 s a mass of 1500 kg and 007rq ag 7u xpoo2ufn7r5ilm8 they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,z b; d rtdljz)3 .i+dp00sgkz5000 kg, is allowed to coast along a level track at a speed of 2.0 m/s. I pkdi0zjzd.)0std ;5l+gbz 3rt collides and couples with a 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 (id7.vamgrx,qt el, (kg, rolls 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 m, and lands in the car. How fast will the car be moving after dt,lv g qirm7.(a, (exthis happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s (with *gontxf y/k 4;oxu-lkdpd.j +5kz4-lrespect to the log). With what speed does the log move, wit5 o/gjouyx4+.d4f ;kpl-k-xzl*d knth respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. n . 9tryzkls a8ri5rj:3o.d3 )yj-vlx The force suddenly increases to 15 N and acts for one more second. What impulse was implrv-5an y83 zs.3ti y .9kdrlr:jox )jarted 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 isu.uud kr1r srr6nx.1 g 0*x1ux the object's change of velocitun* xuurrd6sux 1kr1.gr1.x0y?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wo-vdtr c. ghg4j6r.pzju* 24 mall and comes to hm-t. . 4zcg j*gup 4rdj6o2vrrest in 0.20 s. What 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 kgcopv0;bf3q; cxr/q3 qn (d3ball back along the same path, and at the same speed. If the bat w(bron3;gq kvccq d0 qx3 p;f/3as 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 speui: 1q.z sx( wz6l9hapeds 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 0liqu pxzw1a(z. 69:sh.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-grampws7z 4rc8m p4 r77etr q).rkp bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine z 8e qrp7trm.rs4w77pr4c kp)gun mount?

  A fire hose is turned on the door of a mzc28jjcy. i77nvi02 k9ww4n nv 3rdsburning building in order to knock the door dow2d2y.s cv9 3jm8 zninwn74icj0 rkw7vn. 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 back?

  Water runs out of a horizontal drainpipe at the-o5tb po(,xev nvb6c7n 1*vje rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average forcoob6jnvv pe5ec- bv,( 1xtn7*e 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, when f2* ak0rh+oab yired straight up. What averagah2ry+b k ao*0e thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in oute046 gf2jalm8 n wdalb.r space. They push each other apart. What is their separation after the lighter astronaut ha8 a6l2mlgw dn.a4j0f bs moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. It collides in a5wcjduia-q.vtd f 2t1b956n m perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energy afterdv15uamn d.ti tb cw fj96-5q2 the collision?

  A 0.10-kg object with ae-+ca3z a ow.c/2au0 ye:az(1qjjghj velocity of 0.20 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 0aaza:g j321cjc-e(yq eh /.+jzau0 w o.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. The buai 5r,-6agcm; .6zqcgiav*gn llet emerges (the bullet does not get embedded in the block) with half of its original speedaa;q m cizn5vci a,66-g.*grg. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, imgls uc/0 ;/svs 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? (Assuml/sm 0c/g;su ve the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collin a.d:u m:sd9xq6*nbf des head-on with a stationary ball of mass 100 g. The collision is elastic. What is the spee b::nms adqf6un*.9xd d of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.7a. (kisoo 669.fycjp b0 m/s collides head-on with a 200 g ball sitting at rest. The cos( ca6f.bp o.ki9o 6jyllision 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 w k2lsw 4 ftvz5gyw;5n.ith a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the sp5v2w.;4s lktzf ywg5need of the masses after the collision?

  A 2.0-kg mass moving to the east at a spe+/( cb 6t9wttfc, t*g4fak jized of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationar6fcif ktt * 9+ 4wg/at,cjztb(y 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a ra/y, h y9if. phhev.1velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What frac,9 v.raf. yh1/hei hyption of the initial kinetic energy is lost in this collision?

A 15-g bullet travelingyd y:23eozs u6;wj6ga 213 m/s in a vertical direction buries itself in a 2.4-kg block of w 3 z2oyugsdw6e jay:6;ood 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/ wic yb)*8,bw s++9anvrft e5mh east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the colli etsrm5ca w*bw8+f+n,y v)i9bsion. (See Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90n9v(das, 7n yf.0 km/h east collides with a 3000-kg car traveling at 60.0 km/hns 9ay,nf (d7v south. The two cars stick together after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Obje;k3jzu t:vu*d c5jj:e9u1 ikun85 x8 ,tdqiufct A 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 their combined momentum after the collision?t15uc; j vdtz: u9qx*udk8kjei, f:5u8nji u3

  A small bomb, of mass 10 kg, is moving toward the North with a velocity :lfqqe)1l5h3 u)uuhd of 4.0 m/s. It explodes in3udul5l:)q f q1h)uh eto 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 = s45iz-s,s l ct+ 21.0 m. Where is the cen,szit4 s 5-slcter of mass on the x-axis?

  The center of mass of a two-particle sh+8humi tyi) .ystem is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.u) ht8himyi .+0 kg?

  Three masses are positioned as hum6kctyk*2 b. 5.wkufollows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Deterhu6ukkky.2b*t m. c5wmine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, avp q+r src.r)u4h7/- oc/5nxbwms k9pre located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, 9r4)rq75+nphk-x.c/s upbs vr/ c mow-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 5awe r)dt pqrn9;ydcn., 8me0is positioned at (12, 0)r8w 0nc5q.;a de9,nrmyep)td. What are the coordinates 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 the CM of a whoy60p( 6 hb2. (i9pvjtgzzyor cut4z)sle leg including the foot when the leg is st2046vh) bjzy6t zr9yp.cg(u oizp (tsretched straight out. Assume the person is 1.60 m tall.