What is the SI unit of-e5giiam/0o q momentum?

  When a cannon fires a cannonball, the cax+n.(1bx8wu6ayqt hq 1nr 0ojnnon will recoil backward because the

  A freight car moves along a frictionless level railroad track at co0rn f/m7k )1k z+ezlkvnstant speed. The car is open on t1/lz k mn0)vrz7kf+keop. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off,tbcmq jyov, b7lrp )8.y)1ch a sled while sledding on frictionless ice. What happens to the velocity o,jvym1r )),opbblc8.hc q t7yf the sled?

  A rubber ball and a lump of putty have equal mass. They are th ii3 9bk9xmm8za3qzg r;8i:wdrown 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 greaterx9r;k 3dmqamzgii :9i 8 wz3b8 momentum change?

  A sailboat of mass m is moving with a momentum p. How would you represent its ragiq ffoa-a*4ghwk;g78(ak+3 7a nakineti g4hgwog3a*n a8af7k-7 a a(;+aq fkric energy in terms of these two quantities?

  If you pitch a baseball with twice thly*9i(nq kkj;cu(-2 bk +yky qe kinetic energy you gave it in the previous pitch, th;y yqqkn ui9 (y+ b-kl2(ckj*ke magnitude of its momentum is

State Newton's seconrrvi4xy28 mo mpi0q3 k4oy5 i/d law in terms of momentum.

State the law of conservation of moment62wms hoa9jb*um.

  The area under the curve on a Force versuss w;2ltgoq m5d z.)p.r time (F vs. t) graph represents

  Which of the following is an acc:mngex*nl4os kuz1 (2urate statement?

  A small car meshes with a large truck in a head-on6qsly 4czd3mn; )8 tmt collision. Which of the following statements concerning the magnitude of the average collmt tdq;ym8n) 6sczl 34ision force is correct?

  Two equal mass balls (one r5 /mqsf4o7wa sed and the other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which b 57sf/a4qowsm all 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, collidekxrs nf;l 3fw - kq4k)wbed-ep.5+l: ks 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 i: n kk 5q.fxf-kpl les;kew-4 +wd)3rbmpulse during the collision?

  Two objects collide and bounce off each other. Lii qh9x7tp lz -d*k/4zdnear momentum

  A 3.0-kg object moves to the re73le6h-gc.s8o+ e w5v lj j9xhioj r*ight at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/woie +. x8j jc9 r5h3jolhs7 v-lege*6s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg halfba18abm dbd u98fck rfm d1bdua8b 98unning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is cxx (7xqb u4dit n6w;xmfbgf (s, 0sbjy;n8o:2onserved, then which of the following statements is trf gtib;n bsw o(qfm(n40 6,72;b8y xxju:x xdsue about kinetic energy?

  When is kinetic energy9dc3f zltxc68 conserved?

  In a game of pool, the whi8mm7bt esi p.4au*n :ykav:6 zte cue ball hits the #5 ball and stops, while the #5 ball moves away with the sa8 m:e6 ak 4asz.nmib:yup7*vtme 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 with agt0/6h3 j0y*l+uu fousyv(x99m blu x heavy exercise ball at rest, the beach ball's speed after the collision will be, approximately,0u0/*hxsyll9mo 9bx6(f+tgjuu yu v 3

  A golf ball traveling 3.0 m/s to the (ixg1av(e2x6;iq: engp.kw,bbc/s l right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elasticxw1 : g (lceq/.gv;i6e2ipx(,ba bkns , the speed of the golf ball immediately after the collision is

  A rubber ball with a spr6 . m0pn4cj,7vcgf s,*yarsjeed of 5.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the rgr,c*,anj yj.sv fmc p764s0initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on wi6 gtn fam.jvzzfj:4f 0n37n9tth a very light object 3jzn6tjzmfgfv .047na ntf: 9 at rest. 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 collides head-on with a ve n19d-x)5b9fo c kxrdbry heavy object at rest, in a frictionless environment. The colfd 5xkd99b -)xnbc1orlision 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 coll9lq* k:3 eiyx -j6vkzj)s;uvyides head-on with a yellow ball of equal mass zj 9v3-yk js:qe6l) vx;i*ykumoving with a velocity 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 wibqlfoc 6 o-.u:th 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 t:fqo.bul 6 o-che light object after the collision?

  In an inelastic collision, if the momentum is conserved, then which of tnd*kv9u 4 xp,ahe following statements is true about kinetic energy?xp , adun9*k4v

  Two objects collide and stick togetherm* lug2m*w t9mv-l-,zj a;xdl . Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It ce3nm,5lo mq 2dollides in a perfectly inelastic coel nom5q3 md2,llision 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 andd0v1i0cdr1 f vt *lrg* sticks. Which object experiences the**ddc1lrft 0v01i r vg larger magnitude of momentum change?

  In a game of pool, thecbp 2suy:n2( e white cue ball hits 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, M and m. Which of the following stat3k+ -eb4)r/bzei ;s,hf4ui)latfm vxements is false e,hf;)xf /isb3tb)uai4vzl kr-4m+e?

  Which of the following isb q f8xa1o)(pnlc: xu vpf42:k a false statement?

  Tightrope walkers walk with a long flexible rod io hfy93034wrj noejo)n order to

  A plane, flying horizont;ga uwe5dos3p oxz8eeb-;z30 ally, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just s5 ;zpw3x-; u0oda3eoegze8b after the explosion

  Two cars collide head-on on a level friction-free road. The collision was compuf4-szo/) wucr.f x-fleffc w/ufuz or.-) -sx4tely inelastic and 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 ak6/yqjl5q hvz q,n:+i system of particles.

  What is the momentum of a 2000-kg truck traveling at 35 zb: 1kcok:)9;bk; 3ij lv*gl1yw t itlm/s?

  A 1200-kg ferryboat is moving south at 206ejv0:dh( efx m/s. What is the magnitude of its momentu6d: eh f0(vejxm?

  A ball of mass 0.10 kg is droppexc 5n8j( u0kcdd from a height of 12 m. Its momentum when it strikes the ground(n u8d5cxc 0kj is

  Two identical 1500-kg cars are moving perpendicular to eaczn5jl9vc wb 95mcbg.3h 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 g9zlw n3bv c5b 5m.jc9of the system?

  A handball of mass 0.10 kg, traveling horizontalfcba -7,jszw mod6,v 6ly at 30 m/s, strikes a wall and rebounds at 2s,doj-vca m6 6bz ,7wf4 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially morei1lf4pg85+q8tm agl5 . jkm ving 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 fmp5e ijgrm48q+tklla.15 g8 momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is pll 0dv:m*.*xq i 9gfridaced on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal dix.md g*i *:rf dlqvi90rection. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsu 24i:rzf7(-epmz8 njyd yqae 8le 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 capsule. At what speed doe n4ia f qy88ed:j2rzm p(z-e7ys the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches henxz mh0.+9 qhlad-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What nhmlhx.+q z09 is the magnitude of the large object's momentum change?

  You (50-kg mass) skate on ice yawgr f4yqg43 (l.una7(n/yoat 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, wi4nqu gaa/w g yro7(y. 3(fn4ylth what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a level, strm juj:i jx ;o:yoo6;d0aight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the tota oj:6xod:i;u;0jmjy ol momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs rsk, 130elnsv into the rear of a stopped car that has a mass of 1500 kgs vnrlse13k,0 and they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast axmo (o7n 84ynylong 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 the speed of the two cars afterxmy onn8(o4y7 coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a horizon t.-mdv)ynzq6tal 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 this .tqy6n -v dz)mhappens?

  A 60-kg person walks on a 100-kg lty.y3iae18h p.egq i. og at the rate of 0.80 m/s (with respect to the log). With what 1 8gt3.e.iy ieqa yp.hspeed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s5x3alm u qpk06 on an object. The force suddenly increases to 15 N and acts for one more second. What impulse was imparted 3p5k lqam06xuby these forces to the object?

  A constant 9.0-N net force acts for 2.0 v2fd23rb ;z dxs on a 6.0-kg object. What is the object's change of velocitd2;d3r2 b fvzxy?

  A 2000-kg car, traveling to the right at fjz85aovo 2 pk2e6; zh30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is the oazz ev;ho5j6228 fkpaverage force the car exerts on the wall?

  A 2.0-kg softball is pitched to you 6u ;eb11sarewtbz , 6hat 20 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 0.10 s, what is the magnitude of the average forceewue6a z1sbt6b 1 ,;rh the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the ball right befor:jgy6wb l 7sk3e and right after hitting the table top arl:7 ybs6jw k3ge 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 35.0 kg, fires 50., 4 zxr7dqp w0ro-w9ud0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is trdopzurqw-w ,90d47x he average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burninhd wh/b0*yj- p jv8j2tgm f8(qg building in order to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per swfqj h(dt -y0mv2 j8/b* 8jphgecond, 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 rate of .mbhcm4h,ey2 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on tyhc,hme. 2b4mhe ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s after 3.0 s, wh9pg rt(mrye qltzgw4shtwgl01 ; k6)c3/gs0 ,en fired straight up. What average thrust forc;g(y)4 lgk lh1,3sgg 0tmw qtrrcs tzw/pe690e does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initiauf., na2uew+onfs-rp+m/d .glly at rest in outer space. They push each other apart. Whago e upm 2s+f-af,n. r+dnu.w/t 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 collide qo4tt ;g-cm2-o4jan-p4z w 5cvx*v qms in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energy vom- 4ct4 m 2x- v aqn*-z;p5qcgjtow4after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s1 dtg2(ek/ :qrwo2i+8hh abo , )w)hezdv ;mmi in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the f wrgh k8 e2d:d za)om/betiqom(;+ v),hi1wh2inal velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into avn jm6k 7/:93dnxhwbs 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 velocity of the kjxbsnvh 6 /wn37d9m:block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (which cw)au( qp8b.a+l ajwu 5onsists of 2 protons and 2 neutrons) moving at speed v. If the(a wp )+u8wlq .jbaa5u 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 stationary balgppqskwxrjx0- 5 -9* bl of mass 100 g. The collision is elastic. What is the speed of each bal0ppw gr 5jsx*-9 x-bqkl immediately after the collision?

A ball of mass 400 g moving toward the east with a c/k (rhw+4 oznspeed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision isn+o/w4cz( krh 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 m5kg,b o4 hy2h5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after thhm 4og5b,hy 2ke collision?

  A 2.0-kg mass moving to the east at a /bmi(e;tnirsd tepp9l9w6 d4*7,y j dspeed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How mul db,tsp( ;md*6ti/enydij4pre 99w 7ch kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parked station wagon, g ;zwpgq8g +tkv98w.l who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initialwq8l z98pvgwt gg+.k; kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s7+-wagof6s nj in a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves vertica ojs6-+awgf7nlly 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-kgz6g;ovh+enb5 car traveling at 60.0 km/h south. The two cars stick togethervz+ b 6honge;5 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 east8jti4x3bd b0s3 sqi ; bywm.b, collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. m3db, s qbbt4y03ibwj .s x;i87-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves east wi)9mbngk+ *fq l -*bmow j m/om+2oqrz4th a momentum of 24 kgm/s. Object B moves nort4 )n+o*q jzbmlf /2mb9mo-o qwk+m*grh 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 towa) jtvbpy a7d4pq kk84)rd the North with a velocity of 4.0 m/s. It explodes intyjpaq7 kpv)tb48k)d 4 o 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 jx(f rfar v2x.6n 6y gv c4(k(ta0j0kev+y6cjx = + 21.0 m. Where is the cengrxk6v2 e+k(yv . j(0cn0(t64f vcaf y6rj jxater of mass on the x-axis?

  The center of mass of a two-particle system is at ; axjsi v(6d,r9lx;qs the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the locatiosi dar6qj;;(s9xxv,l n of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0)kxz0/tefx 79 g ;7kx anom7vp2, 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the cota 2/ex0 z 9npxkfm 7;7vkgx7oordinates of the center of mass.

  Three masses, 1.0 kg,hku f+ -covo-xrel) 4/ 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), e+hrlx/- k)uv 4 cf-ooand (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 g+zqg(edhm -5is 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 mm5hzeq ( g+d-gasses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a jr: wyg 9 ,p6)8 ;mefn z+ty4vr;jsibvwhole leg including the foot when the leg is stretched straight out. Assume the person is 1.60 m t 8ij+;;,4ye r)b:gfvjtprsny zvm 69wall.