What is the SI unit oc+ofxsi4rh h.zj: - lhw*0 iu+f momentum?

  When a cannon fires a cannonball, txfy*uirbtb 0 ask:d5f/st(h p/+:nn4 he cannon will recoil backward because the

  A freight car moves along a frictionless level railroad track at constant speed.t pqmag m0f1lf/3ltl7 df/5r1 The car is open on top. A large load of flf5tr3ml /td p qm1/7a1f0lgcoal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a si (9c,l k2 3::evb*clhzoc+ n5fyhoteled while sledding on frictionless ice. What happens to the velocityt h9lv fh2 +3ce:(bl* kio,5 ozn:cyec of the sled?

  A rubber ball and a lump of puh dngxb 3m+lk4 04lz+gak + 1xr09cm2op;pdqstty have equal mass. They are thrown with equal speed against a wall. The ball bounces back w;2p d z 3cxxnl940kml1 4qh a+0sd ogr++mbkpgith 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 moving with a momentum p. How would you represent vqcf v 58iqq8a9+r0,, aobooaits kinetic ooqiav5 8 ra +9bva80oqfcq,, energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the zjnp7 (6xk*j 5s*gpp tprevious pitch, the magnitude of i7s jnj(6p*xgk pz pt5*ts momentum is

State Newton's second law ic7w)2+0tfhr (k5 xptndhf1r un terms of momentum.

State the law of consero+x+qnp ve2xmk 9s69yvation of momentum.

  The area under the curve on a Force versus fiav4 4wp/ 0djgiki;) time (F vs. t) graph represents

  Which of the following is an accurate statemen myy*qmo2r)/zj4 yqrt4d(0b at?

  A small car meshes with a large truck in a head-on collision. Which of thegf 5vk c(lbie+-98 vfh following statements concernfvkv9-8 5hl+i(gec bfing the magnitude of the average collision force is correct?

  Two equal mass balls (on do6)d5amhzas2f+ )yee red and the other blue) are dropped from the same height, and rebound off the floor. doahdf+y z6s 5) e)m2aThe 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 witabc0is*z2 ,iym; z8o th a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowlibzac28t*0y;zs,i miong ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide a)t zzy.c7hu w+nd bounce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a gv:-s/ q z8+vj3xyxo nuxc0ha0uf +z76.0-kg object moving to the left at 2.0 m/s. 3 ouxh/za+ zs +fynq: 0xu7c-gjv8 v0xWhich statement is correct?

  A 100-kg football linebacker nz apq9:th+; v lyn ;djq4.3x b(z5kk rk6us.dmoving at 2.0 m/s tackles head-on an 80-kg halfback r3d9; vtqkr+(pqhdx jz k nkz;4l 5:u6y..nsbaunning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, ifbpmn2j r78ci ;a7un y) the momentum is conserved, then which of the following statements is true about kinetic enmnrn;)p cjab 7i7u28yergy?

  When is kinetic ener5ynogm w0da 2+gy conserved?

  In a game of pool, the white cue ball hits the #5 balm 5+hkjtm *7 8mgln8zbw7q-cq l and stops, while the #5 ball moves away with the same t lm*7 875 n +qgh-zjwkb8mqmcvelocity 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 heavkdiw:prx ,0x: y exercise ball at rest, the beach ball's speed after the collisio,kpxrx:w0d: in will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collisc *brsyout/d7ji u1: .ion 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 collisi j7:/r bt1yi*duos. ucon is

  A rubber ball with a speed of 5.0 m/s collides head-on x +ysbt6 6g3zznt44sielastically with an identical ball at rest. What is the speed of the init+4s 4tn iyzbxt66g3z sially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light objec.n(j09xy/je mxfm s h/t at rest. The collision is elastic, and there is no friction. The heavy object barely sloxhm/mey/ jx0sf (9 jn.ws down. What is the speed of the light object after the collision?

  A very light object moving with speed v collides head-on with a very heavvkjo ,ng* m xsif.z 9:5cuy-c+y object at rest, in a frictionless environment. The collision is almost perf mig,.v- c5*z+sfu:yo jc kn9xectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 2x )b +z..p7. j3vavf6rsfeeljcnt6im/s collides head-on with a yellow ball of equal mass moving with a velocity 6v3f.c7x bznja+j.eps2 e)i6f rl. tvof -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides h2ajcnwj1dugo 0-. s ;- yocna2ead-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. ; 0nocsj1.-aunwg-ayo2 j2d c The heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, ba;8*h6v7hf.ntl8k eme4m vaif the momentum is conserved, then which of the following stathvmat6*mh884e7 vlf;.ea n kbements is true about kinetic energy?

  Two objects collide and stick together. Kinexv,rfgiib o2olem 76y /0-a* ftic energy

  A 3.0-kg object moves to the right whuq trt2 p)iuh9/ -o1tsq:tp h5d+ a5at 4.0 m/s. It collides in a perfectly inelastic colli9 -uias1hp2httt thud5w/ rq:)+o5p q sion 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 ):c653gsvx.tbdhen)c6k ho m2 xorz 3. Which object experiences the l)6xmxz5d. rvg3cb :k os6h3c2 o )hnetarger magnitude of momentum change?

  In a game of pool, the white cue ball hij lv wb;u 7z95fjt,a so-*ioj9ts the #9 ball 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, .o)iez zfr 6d0/lg sevs-;;mhM and m. Which of the following statements is falseleo0 -gf6 v/)rsz.z;dsm;hie ?

  Which of the following is au;fcf4-cmo :km l 3w3j45ry,r aq-d ft false statement?

  Tightrope walkers walk with a long flexible rod in orderp ,ommu d:.hut7/m1in1u 7vmd to

  A plane, flying horizz+:zu(t:rgspo4ujg1ze 1dc 1 ontally, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the b 1z:ejg1os 4dz+1p(r uzt:cug omb fragments, just after the explosion

  Two cars collide head-on on a level friction-fr6 lj:agqn c,r+hm/f4u2 zn5xt ee road. The collision was completely inelastic /2g5hr,qnx+ljuc4 nzm: fat6and both 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 system0 lb.qhy6,/)hffaekzjh4dp ( of particles.

  What is the momentum of a 2000-kg truck traveling.jx5)gl v7hv6 g9 mtyn at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude of cnczy piovb1 +r ac m(7ew 5iq19;98wyits mome 1bi98m r5iyc qvp9w(cw 7n;yc1a+oezntum?

  A ball of mass 0.10 kg is dropped rj0d;/zqj ,s . hhfv9*-kyhtbfrom a height of 12 m. Its momentum when it sty;-jtbh /zhqj ,rskh* 0f.9 dvrikes the ground is

  Two identical 1500-kg cars are moving perpendicular to each other. fligw mr-e 6i-(t 3nr 8o*1o zvkfp:m)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 syor-e :m il)f*8ogv6zk 3ft-iwm rpn1(stem?

  A handball of mass 0.10 kg, traveling horijgq9f*( sm1h k+kazvf0ao6x4zontally at 30 m/s, strikes a wall and rebounds ats9vj q fk(0 o gkx+4h*faamz61 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a sp1n8q4a4ksdtor:q :) son9uyd eed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed qd u4 o9n)ro1: 4d :8tsaynksqof 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseba2cqo1a6d0pu +ps1tyyy: n* az ll) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontsy tu2 dp6q azpa*+yyo1 nc:01al direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking 8 bq(h5r(t +iw3qt rfpoutside the space capsule and is stationary when th w3 pq8+(fbrr(tqi th5e 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 capsule. At what speed does the astronaut move toward the capsule?

  A small object with mome6p bf7urhx5fnxt6 /d:ntum 5.0 kgm/s approaches head-on a large object at rest. The smald: x5h r/fft 67nub6pxl 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 g(ur-b-.vaul b 6tpi5on ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. Aprbvg5u(l - i. t6ub-as you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg . blss 8+0+p*gur leblmoves to the right along 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 total momentu*l8gblpe.b sru ++l0 sm after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear oek 0q(; qzj(uimnb:u *6a 7rzof a stopped car that has a mass of 1500 kg and they stickom (6;aqe7 :nziukr*uqb0 j( z together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level thwg;f,v31-ra4lig d 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 the speed of t1gvlri-d,gta ;fhw3 4 he two cars after coupling?

  A railroad car, of mass 200 kg, r3tb vbjv;bsyz6 88,kzolls with negligible friction on a horizontal trb 8;vk6z3j vb8zsybt,ack 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 this happens?

  A 60-kg person walks on a 10 k7hf4/zc-v ;n 5lrir+4eqbi2bhrgoj6gd p970-kg log at the rate of 0.80 m/s (with respect to the log). With what speed does the loqoi 7c5erz d729+gvlg n p 6kb4rhjfb/4i-r;hg move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an q h094wpv edfyds1d2s,+n n n:object. The force suddenly increases to 15 N and acts for on4psnfwv,sh1+nddqe :d92 0 nye 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-kaa2d4c45cw -ih q wd8hg object. What is the object's change of velocitciqh8aa d5wh2c- 44wdy?

  A 2000-kg car, traveling to the ridrubrq:7d 21su8w px 8ght 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 on the wal28sq 7rbu 1wdxr:8dupl?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along ik4a 68/srak, zd( bzuthe 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 the bat exertedz b,as6/rkdi8 k4a( zu?

  A 0.10-kg ball is dropped onto a table top. The speeds oy7v,vdn q b0g)f 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, what is the magnitude of the average by nd7vqg0,v) force exerted on the ball by the table top?

  A machine gun, of mass 35.jdpz ;dpi/2 --b jc;( kwh4otb0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 ro2;;/bwz --dpc j pjk4dti(hb ounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned 0gpncdlt2;k6 r + jf7wkg-4ewon the door of a 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 stream needed, assum nkf+wwp7 tdgk-g4;c 0e2rjl 6ing the water doesn't bounce back?

  Water runs out of a horizontal drainpipe2c8bza i/uey+ 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 force does it8 +uzi /2byaec exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s after 31l)o2r1hm6tlid2 n0p3j gm en.0 s, when fired straight up. What aver1 )n62l2 rhgi31 plontjd 0mmeage thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, ar yed0ndgp g.n /2cpkr2w,-+w tz, 1eg4blz 4gpe initially at rest in outer space. They pez ,ngwp2edt-2d0k y.4 nc gp b4,zl1gr+w/gpush each other apart. What is 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 m/s. It collides in a per ghx837;c ln:8asvqnafectly elastic collcg: l;hns aa73xn88 vqision with 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 the +-u 4f7l5 fq cnzy6mii v7utu s74rj63bx direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-bi74j5nyu 7zur umq4t63fvi67 - fls ckg object after collision?

  A 10.0-g bullet moving at 3fzjl3r:dvoini)j9 5 900 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 i5 f l)i3:9jnrzdji v9ots original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is2rqb;y7 z4 u-vqmxsq9 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 mazqb9 r72s v4qqxumy -;ss.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball o zf)pw2rw:8ia*ygy;:a8a we6 :qrz q rf mass 100 g. The collision is elastic. What is the spee)a6raawf rez:*qg;8:8 ywi qy:wr zp2d of each ball immediately after the collision?

A ball of mass 400 g moving toward the east ;-.*dgc u ij9fg+g)y+a5muelo2zjymwith a speed of 3.70 m/s collides head-on with a 200 g ball gdjigymc2oja+ .95e;l+ m-*)guu yzfsitting at 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 1nlj.poy xq .+ix,,t wm/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of,ny txi p1lxq. j+.,ow the masses after the collision?

  A 2.0-kg mass moving to the east at a sped(zvcrvu ;c .+ed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0+rvzu; v.dc( c-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strik.-kdo,cah)3 eew gb /yes a parked station wagon, who's mass is 2m. .hcd3,b o/wky eg-)eaThe bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertic2 bf4/v,jivcoal direction buries itself in a 2.4-kg block of w fiob4cv2v/j, 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/h east collides with a 3000-kg car trwhc 1 s1fldskg9r*bd u7w4+j;aveling at 60.0 km/h south. The twof1w9ss;c+41 *wud g7dj kbh rl 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/h east collides with a 3000-kg car travelio 2t(s0.eb, bsjj 2 ir;(hdv-y idcei-ng at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the direction ;0,dij( oh istj . dr2bbe-v(yi-s2ce of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A meypizrh x.5eo58ua.29ru ax8oves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfeerzxheua28 5a85 rp.y.xu9i octly 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 with a velocity of:2 i db8vs *k,,wsaqax)-iac j 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 is the velocity of the third fragment? (Neglect air fri *w,:ds8 v-x2kabs ,c qaia)ijction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at x = + 21.0 m. Wher 0ji50z 3a sbhqtbq)2ke is the center 05)aqhtsjbk i bz3q02 of mass on the x-axis?

  The center of mass of a prn1a .8ob4 satwo-particle system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2bar.8n4 pa 1os.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), 2.0 kg agykx5icwue41u/+w k4 h7q9cp)ip a)ht (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine th i1c)yw u 4hc4xpiqug 59)a+/w7kpkehe coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, art+r qbxs8u kg,bpk3ns1 mq7 :/e located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the locatmn,rbt13 bx s:/7kgqq +8pu skion 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 9c xn:5jk. -:wjewrrcx x,,rb is positioned at (12, 0). 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)?r r n-: j,,cxjc5w rxekw:9bx.

  Use Table 7-1 to calculate the position of the CM of a whole leg including the l,4g6 hhi ;7*nu yi)absj*v kafoot when tb7 kl ,4javi6;yshunag*h)i*he leg is stretched straight out. Assume the person is 1.60 m tall.