What is the SI unit of momentumwip/dib 5/ ad6ht cbg86d :/fj?

  When a cannon fires a cannonball, the cannon w,h i geh2pj;ml4 v6nl:j*knrjm2 bi67ill recoil backward because the

  A freight car moves along aa8e0ht3/g sji0b 0vj /bs8qkk frictionless 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 thj kki bs// hv8 a8gq3t00jes0be car?

  A child falls sideways off a sled while sleddltk+ nd4w-f bq.gm1f)ing on frictionless ice. What happens to the velocity of kd)tbwn q+ l1gf.fm-4 the sled?

  A rubber ball and a lump of putty have equal mass. They ardg35h8 +p)gr 7hkodqph7 s v+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 wall. Which objects experiences the greate) hk+qghpo7sdd 375rgr8pv+h r momentum change?

  A sailboat of mass m is moving with a momentum p. How would you il+p- h+cbsmz1a+ a6x represent its kineti1+ z +m xl-bhic+psaa6c energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the ) rht5i kbndgm f 5l.i8s+4rg2previous pitch, the magnitude of its momfrml2 d bn si t5h.)i8rg+g45kentum is

State Newton's second law in terms of mome;yj.bf/o,yg, efx 1iyntum.

State the law of conservationw,a6brp5mia4 dwb 0(p of momentum.

  The area under the curve on39bg.fbarzns8/ .d k w a Force versus time (F vs. t) graph represents

  Which of the following i5 p3)ob go.va asx)x+zs an accurate statement?

  A small car meshes with a latr*ooce */b /jrge truck in a head-on collision. Which of the following statem/bo tcer j**o/ents concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the same heigtlu2z h,*f v-nht, *uvh- lf,tnz2and rebound off the floor. 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(mrezjp:4b 3 x at a speed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during b4pmre xzj :(3the collision?

  Two objects collide and bounce off each other. Linear mome e )ztq/txugx *ud(,-entum

  A 3.0-kg object moves to the right at 4.0 m/s. l d-r*v(gxc0of s u0u2It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s.0 v usgc2l0-x fod(*ur Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg halt.,e(c uygl7p w-/ inm4xi4ogfback runni,po uegi winytc./m4l (g4x-7ng
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 ts7yvpz8 sp gik:t* +1ohe following statements is true about kineticpop7z+*8y1igsvts:k energy?

  When is kinetic energ3 x/5gccybdmuv7e-(etxy:s / 1 ls /vay conserved?

  In a game of pool, the white cue ball hits the #5 1obo;4rmfx4.k4er hzball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally .4e4mzb4ook f1rrh x;. The type of collision is

  When a light beach ball rolling with a speega ybt;8p eeq ol37yf- o06xuif.8g n0d of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision wi08;fua elon6y0 y 7g.gq8b i -topxfe3ll be, approximately,

  A golf ball traveling 3.0 m/s to the/q;e0g6now wo9r r- pe 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 ball q/rwnoe g- p 09we6;roimmediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on te tj* exy3k3wb4a2c, elastically with an identical ball at rest. What is the speed of the initi3exwc*t2j4k be,3y a tally stopped ball after the collision?

  A very heavy object moving with speed v collides head-on w4w:wpwc.v. df nx 2:fqith a very light object at re:2dq ffwwc.v.pxw4 :n st. 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?

  A very light object moving with speed v col:d r jn/hz1 s,hl-y(uplides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after th y ,1zjph rudn-(:/lhse collision is

  A red ball with a velocity of +3.0 m/s cv1rxx h9nh3jl08q i) sx,)zd eqc)1m/ fy1fhsollides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. l,110 srfhq)ixnx8/cxhhy v e9zm1j))q3 fsd What is the velocity of the yellow ball after the collision?

  A very heavy object moving wf.:y3d wle)fl (sc +qlith velocity v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy oc+( yqfl flwe3ls.:d )bject barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, then which of the fol h9v(c/c 2k d4yexgov0lowing statements kgv/o49vcx 0h ed(y2c is true about kinetic energy?

  Two objects collide and stgq g:mgiscxz3 2 8i36dick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a peex 3x6enhs45 prfectly inelastic collision wih4sxe6n xp5 3eth 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. Which obs9h5 o vgs99y9j7t+ryhna.b cject experiences the larger magnitude o79+y9rn.sa9 yg9hhbjtc5vo sf momentum change?

  In a game of pool, the white cue ball hits thw)yn *3 i,vfhme .nglzw3awc z6*qo4 (e #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 maupmt 4n19agl(sses, M and m. Which of the following statements is false?g4n( t pma19ul

  Which of the following is an q;* (,zp l*5wmflxid false statement?

  Tightrope walkers walk with audgs709a(wsqba tnh 3v6,5tb,hfxor) b+ l o 4 long flexible rod in order to

  A plane, flying horizontally, re,p+o(.bwmvzdi r bnf 9dcp*5 6leases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the b.mr *b zwi59 cf6dn+(dv,oppexplosion

  Two cars collide head-on on a level friction-free road. The collision was complqk p l1naa89i.etely inelastic and both cars quickly came to rest during the collision. What is true about the vel i.9n1a8a klqpocity of this system's center of mass?

State Newton's second law fsf6e uspc9f. -or a system of particles.

  What is the momentum of a 2000-kg s umam7+-u qn:truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnd wm2d6 t2kdp0t62ovmitude of its momentu2p6w 20kt6vmd odd2tmm?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its jcvgyuo ;qa+n v 1cj/1:ro;9dmomentum when it strikes the grouno:vryuc o 1/ndj+a 1jg9q ;;cvd is

  Two identical 1500-kg cars are moving perpendicular to each other. glmxqbk*aepzq:s 3(;*rxue k 0td7 * :One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the totasq a0el rpe*3k;zb*x k*u:7dm(tqx g:l momentum of the system?

  A handball of mass 0.10 kg, traveling h+2u l) w:zztpgorizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the momen z2tw: )pugz+ltum of the ball?

  A 0.060-kg tennis ballju-j9zvj jo8 8 k*t/fx, 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 momejo*fzu8j- 8txk /vjj 9ntum of the ball?

  A 50-kg pitching machine (excluding thmexb-r2c c1 s-e baseball) is placed on a frozen pond. The machine fires c-r2x secm-1ba 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 outside the space capsule and i/tl- jx)ak+su s 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 capsule. At what speed does the astkl-ja ut+s/x) ronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approakg 1ww;rb4at ; 3n,m+yp( djisches head-on a large object at rest. The small object bounces str(at mw13ibwd +j sry;4gpn,;kaight 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 ( am 4 tzjxd-rri1 g xm(+35j8vi8li+op40-kg mass), who is standing still, with jm trpl-i3do845xji viz+ 1m8x(+argopen arms. As you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg movqfsgtf87mp8z--m 6 iwes 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 f8zqg-m8spm6 wi tf7 -total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped ca l)3a 9tcupk1qr that has a mass of 1500 kg and they stick together. What is the speed of the cars after the collis)1l 3a t9ckpuqion?

  A railroad freight car, mass 15,000 kg, 4j .0ufdkgt:1qu q.vris 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 releau.j 0q.v1u: k4tfr qdgsed. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a+zlczm+t s4l m,4 qgj0 horizontal track with a speed of 10 m/s. A 70-kg stunt man dz +qmzl4 ml, 0scg+tj4rops 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 100-kg log at the ratw;w 99en/m nmte of 0.80 m/s (with respect to the log). With what speed does the log w;ntn/w9m9me move, with respect to the shore?

  A 4.0-N force acts for 3.0 5g4)i cp)wbz hs on an object. The force suddenly increases to 15 N and acts fg) pcz5w4) bhior 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 objectlqnptj2 h5 bo:2gn)o p pgs9(,. What is the object's change o9)jnpnplg: 2b2h( gos po5,tqf velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collide-o.kz(z p7 wx *smsg uos)m*0ns with a brick wall and comes to rest in 0.20 s. What is the average force the car exerts on the wal*xmpgw 7s* ).z zmso0- uskno(l?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball .qbeghgxrh9cq ,cyjl :.,u3 ;back along the same path, and at the sameh ..:cx,r;gjhl qcq gyb ,u93e 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 etfbvjr52ip ,)tl -,oa table top. The speeds of the ball right before and rightt,f5b ,prj 2 -l)eiovt 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 the ball by the table top?

  A machine gun, of mass 35.iqcyl; :8od 6s0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is tl ;6oi sd8qy:che average force exerted on the machine gun mount?

  A fire hose is turned on the door of aafm 9 zpaw9ib 6psw.;+9)bcf( ynm3ow 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 vzfm9+n.;ciw)bw o3ppwfb y sa 96a9(m elocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the9 zwo;gr6e 6qr4kuw 5o rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't sp;6zooegrq5w9 6ukw 4rlash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of sq;-lrtu( ,,p6nazq i 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket ns ,l qtr6;,-zuiqpa(engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are inynkchrn4v, di 2 6*yz9itially at rest in outer space. They push ea yzc2 h,idrnk6y94v*nch other apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the rit))u,zsq,s7 +dj ijbk,tru( bxt yz-5 ght with a speed of 2.0 m/s. It collides in a perfectly elasidu t5r+zj- )btqk 7(yb,,),stxu zjstic collision 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 +x direction 2axcxxfhfq/3 4 nm0w..zflysh1 ki8)makes a head-on elastic collision with a 0.15 kg object initially at rest. Whatw43z/skixch.f2hq fa0yfnmx1 . )8l x 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.n3 k;jcfo s6n600-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 velocity of n;36jo kfn6sc the block right after the collision?

  A proton, of mass m, a:ixmr 9twldodzel528lm7w8+ t 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 completely elastic, what speed will therz7x w le2 w:ollm8d59mt+i8d alpha-particle have after the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10i5g6d0dz .eak;:cc hs m/s collides head-on with a stationary ball of mass 100 g. The collision is elastic. What is ;:a e0d 6cc5gzdi.hksthe speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with amo:tm eim :0 -;or:t opjm2v5p speed of 3.70 m/s collides head-on with a 200 g:-rm oot; 2ej0:m mm5 ptvoi:p ball sitting 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 m/s. It collides head-on ;:mjxd c:u 5t3 ;zcog+sd -n wqf3a(iwwith a 3.0 kg mass at rest. If the collision is perfectly inelas zu qomda:ns:w;tcgd(53f3cx-j+i w;tic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a spyyoxv qq6ipaex 3qop(nxm)9y /83t* +3qd lx8 eed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How o+ iqey3xqx)pxy39n p3d * ly8xt a(8o qm/6vqmuch kinetic energy is lost during this collision?

  A car of mass m, traveling wito *v ndz5 w(5- 1qemv-z98cufimzzw.f h a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastfm8z(nfw1ec.i zo--*vz m5 w9z vd5qu ic 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 itself in a 2.4-qw a66ln4;o)(bzf sw2d iibg 5kg block of wood a rest directly above it. As a result, the bullet/block combination moves vertically upw s qf4lzd6b5i6)nbia(2og ;wward.
(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 e7qa9mp/;nxqq ug+u 15l1tvy7se6lg km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) Whlqp nm79q6+ uy 51ege7gstx; q/ula1v at is the speed of the cars after collision?

  A 1500-kg car traveling at gb3h z3;vdk5 kmhi4bn9j;n) i 90.0 km/h east collides with a 3000-kg 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;jm vbbnik 3h h)i4;n g5d3kz9 the cars after collision?

  Two objects move on a level frictionless surface. Object A moves east withg;-jhbkba vv5qd )9mm8 8un,r 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 odj8 8 rka;vgm,ubnm)9 bh- 5vqf their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving tn/httzec4 0 av.3ai4 zoward the North with a velocity of 4.0 m/s. It explodes into thrv0.i3et h/azca t z4n4ee 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 = + 21nlkfnq*m t5-3.0 m. Where is th*k5qn -mt fln3e center of mass on the x-axis?

  The center of mass of arr*v2oq)zt p*b) qh4t two-particle system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the locatip4*bzv t)*q trqohr)2on of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0eo3cg/n/i 11q ce yi40pbkjl y.in h98), and 4.0 kg at (2.0, 1.0). Det/ c 3n1n gyl8b.0 q1i yj9ekcpo4hei/iermine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 km xs jel r.dh23:k.ec0g, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of thhxjdm .0erc .ls :k32ee system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mas 8pocm4sp g-u:s is positioned at (12, 0). Wh: u- ocpgpm8s4at 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 whole leg inclu vr; ps--je8is7ld;8m 9aijp fding the foot when the leg is stretched straight out. Assume the person is 1.6;sdj87i- p;ljsm-i9e ar8f vp0 m tall.