What is the SI unit of mome3mh7fib k-vbkv 8 07 ysrn*yt:ntum?

  When a cannon fires a cannonball, the cannon w8p*9i(jg)vc ;kmq2.w m x ybutill recoil backward because the

  A freight car moves along a frictionless level railroad track at cxdc-*- cy*ytvonstant speed. The car is open on top. A large load of coal is suddenly dumped int d-xtc*c-y vy*o the car. What happens to the velocity of the car?

  A child falls sideways off a sled whd8- op6h agt756g biiaile sledding on frictionless ice. What happens to the velocity of the sled?6ob 7-agi56 iath8d pg

  A rubber ball and a lump of putty 7dt-p40pv4uauhcl g; have equal mass. They are 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 wuh4;apup 4 -7dg0 cltvall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a rxabb3wh+h0q;d5 ljs3sx78 a momentum p. How would you represent its kinetic energy r8 0wxh3dsh3sb7 5j qa;labx +in terms of these two quantities?

  If you pitch a baseball with twice the kinetic enerhuvhwi8-c8f qjv)mrk 5wur:n,: wp( +gy you gave it in the previous pitch, the magnitude v5:(+jif-p)rq hvmuw,rn ww8 :k8 chu of its momentum is

State Newton's second law in terms of momflm3 qej;tdt/fe. .9,fka4 xientum.

State the law of conservation of a(z2h6p qzlbui1 edun-4i :) b1hrv2b momentum.

  The area under the cubfs g,asiuszf q*av j 3x4(-a71 2u8cdrve on a Force versus time (F vs. t) graph represents

  Which of the following is an accurate statement4o* 7ynv/gjhb?

  A small car meshes with a large truck in a head-on collision. Whi ni co9,s;(yaj0p/iacch of the following statem oan,aysj;c( /0ii 9pcents concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red4alh7td0mu v 6 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 greater magnitude of impulse during its collision with the floo4hma0vd7 tlu6 r?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with n gco0h;r:n 7-dv: u4 f.yy1asyt;hdq a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the:u0; n hy7ys;t 4-roddvac:g.hfn q y1 east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear momentu-ep1/jb:tfnu 0gun(a +p1y y bm

  A 3.0-kg object moves ti h7 txnn;,1nqdnuf9y m573 )zd 1czato the right at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statemen)7hmnduatniqcxy35t ;dz n1 7 19n,z ft is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-ifpz2i* x d51wkg halfback running1x 2fipw5iz*d
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 t52ighixh j55w he following statements is true ab5gh5ihx 5ij w2out kinetic energy?

  When is kinetic energy conu (p.k1reb5ap served?

  In a game of pool, the white cue ball -ao bdotv) kewhk*(89 vycm(8 hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue b9) k*moe( 88vbdvkh oyt-w c(aall had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0gov*td* z.g 7xt vizz( 6iqw,0 m/s collides with a heavy exedg7tvvz* zx(ot.q0 w*6,zgiircise ball at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right t7cg1yat p,3 ay 98b zo/f:n94wbfe xbcollides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectlg zn7,3p wty b9b to/ffc a9e:4yx1ba8y elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5; qn0m1(dbzy l(qf uo4.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the iodu 0lf1n4q yz( qbm;(nitially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on 5y7o6k ydy.v uwith a very light object at rest. The collision is od7vy.y5uky 6elastic, 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 movicy i y6:zmt1;wng with speed v collides head-on with a very heavy object at rest, inmyzwit 6:1y;c a frictionless 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 h, yzxuzb7; y:(9)tupeow y 6w(7koa xoead-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yelxuw t y;w((,7)yb p:z eo7u6oxa k9zyolow ball after the collision?

  A very heavy object moving with velocity v collides he ve.xnic 9(p,5prrt2nad-on with a very light object moving with .cper nv n29tipx (r5,velocity -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 collision, if the momentum is cc*ror)ydq3g*y *m7s conserved, then which of the following statements is true about ki*3rcc7rsy q) d*oy *gmnetic energy?

  Two objects collide and stick together. Kinetirfvlwis*gjuenf h:2 ;/d)n9- dx zi0+c energy

  A 3.0-kg object moves to thevu;yqojzkp5 a+w;tws:1) 9 a s right at 4.0 m/s. It collides in a perfectly inelastic colli+u;tovy9aq:; jz awsk)5w 1spsion 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 sticksdhwuhi6jr80 vcq x:(-. Which object experiences the large(rh0 h jd86-uvxc qiw:r magnitude of momentum change?

  In a game of pool, the white cue ball hit4pkjx mp )ser4 ;tq*-2rj3eehksf( g*s 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 statements i4ayjf.o 2;ami s fals;4.oay fmaj2i e?

  Which of the following is a false shy -( .,fpknodtatement?

  Tightrope walkers walk with a long flexible rod in p,gn6v;h-zb) rl9k)exotv2 i order to

  A plane, flying horizontally, releases a bomb, which explodes bejxq3a qp9rx07lo3 )loud3,i afore hitting the groundjl93d quq0lx,3r oo i3p 7a)ax. Neglecting air resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free roa im+-oscl/rg 9/ be4jzd. The collision was completely inelastic and both cars quickly came to rest during the collibz o9jsegc /im+-l/4rsion. What is true about the velocity of this system's center of mass?

State Newton's second law for a system of particles.g lqa*s2m7ejxx(h- ; u

  What is the momentum of a 2000-kg tn hu7i,lf1 v1)ieo5 40bre dukruck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s.bu6t ckf v(y5o+.kx) 17c-fqn i;cr ki What is the magnitude of its momk5 ir7-+fvkin qc ck;.)(1ct fbyu 6oxentum?

  A ball of mass 0.10 kg is dropp:*0rq 7hufpw9k4b b1td7yvcz ed from a height of 12 m. Its momentum when it strikes the gr0tcrh7 y ub:b kq91zd4wvf7 *pound is

  Two identical 1500-kg cars are moving perl;n3 k0gv7cvu5nj,fdiytg.9pendicular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. Wha9fjgvv07idn, lc ;5 gnu yt3.kt is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, str8e0*lsusbb*js n ca 5 s;d,iq2ikes a wall and rebounds at 24 m/s. What is the chand2 *,b*aj bclss s0s5nq ei8u;ge in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving akqy +r4lm )8;c * zvz4nlwa4gft 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 z;ckv wq 8l4mlf*4ngr+z 4 a)yin momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on am sk;:5yil3.sxqur9mr/rbe.u:+aznz *3 h ye frozen pond. They;yxr53l:z +.zukn u e9 i/.hmm*ra: qrsseb3 machine fires a 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 sjfc+5ogz0d7 z;ias 6 bpace capsule and is stationary when the tether line breaks. As a means of returning to the capsule fzgd6+ b osa c0ij7;z5he 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 al)o6gpfkp522 jn b4u kgm/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large obj2k5uflpgn oj)2b4 6paect's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friendd-i 3zde/a.w g (40-kg mass), who is standing still, with open arm/ ddwage i3-.zs. As 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 along a level, straight road at6,x/ey 9hga/mzu nisw+c ,2 k qr7s5pm a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. W5siz,qmkexun s/pm 29hw+r,ay6/7 cghat is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped car thelqp il97.ru-i1s c8d kr*9jjat has a mass of 1500 kg and they stick together. What ip l9ik*lidr-cq8j9ju 1e r.s 7s the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, i n43no m9gits4s allowed to coast along a level track at a speed of 2.0 mt3mog4i n s9n4/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 after coupling?

  A railroad car, of mass 200 kg, rccdvrblhd)/ dxt+fu0q;5r6 j,rn10 a 0. dhgk olls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drop r)10/xar+ k nt0clhcq vbu;drjddh5.0,6 fgds 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 zvuh uprqfipx b*-8 r*q0;0 mr8,rmh;100-kg log at the rate of 0.80 m/s (with respect to the log). Withm 08rq;rvzuru-h*q;, rp f* p0b8 hmxi what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The pgg2nz1wurr jlp:,6 4force suddenly increases to 15 N and acts for one 62 l npzu 4pr1r,g:jwgmore second. What impulse was imparted by these forces to the object?

  A constant 9.0-N net ;i8:kj ) mu86d uyocyzforce acts for 2.0 s on a 6.0-kg object. What is the object's c:ukyu)mciozyj 8;68d hange of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick walyg;k8m3h a )rhl and comes to rest in 0.20 s. What is the average )hygrkah;8 3mforce the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit8 v;b,p ,mwoxz the ball back along the same papo,8b;x z, mvwth, 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 exerted?

  A 0.10-kg ball is dropped onto a table top. . kje .gxida;7 d6z7mw 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 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 7;zw7.a. jimk6 dgdxe table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram buk q)f2 dnz5juv 79pqxm rba/n06 ovk.*llets, with a muzzle velocity of kjupxv6/an f 7*.mo)d9 vzq2bk q5 nr0750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned o.n9qao/c9zy s6 f ggz4n the door of a burning building in order to knock the door down. This requires a force of 1000 N. If tc. fq6osza /9g4gnyz9 he 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 horizf)(5aqq t6 .rt/nh7 r,lhajbvontal drainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the waterlqrn(th , 7 a.j6/qahv 5tbf)r doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velociebf97,u2fkc8h d+c xl ty of 40 m/s after 3.0 s, when fired straight up. What average thrust force doexbkelcfu2c8 d ,+9h7f s the rocket engine exert?

  Two astronauts, of mav pm oi ga;:k)b,gnor 8n95(ux8bxnn4sses 60 kg and 80 kg, are initially at rest in outer space. They push each other apa,8 ank:gnovm98irgx bnbx4()n ;5ouprt. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a spo 7 wydufwjmx 3u2,gw+v0m,t /eed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object modo w70wjwf yutv u+xm/,g 3m2,ving 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 + cs:fx)p;js70r9 gmyw x direction makes a head-on elasc0y7:9 m );gfwxs rpjstic collision with a 0.15 kg object initially 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-kgyn)h+ 96(d-u h hwrawj block at rest. The bullet emerges (the bullet does no96jda-h(+ruw ywh)h nt get embedded in the block) with half of its original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (whi3pern2sdmq3)3/nd/l vb 0eozch consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely e rn3b/qvm /s3l2 o)e0p 3dzdnelastic, 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 stationablepp kis2 :v-ysx .8*msvah*: 8)lusry ball of mass 100 g. The collision is elastic. What is the speed of each ball immediately after the collision?.) :lhx8k*b8 els*vs u:yasm-v psp 2i

A ball of mass 400 g moving toward the east with a speed of 3...lgffxupm qs+ ri/ pbl,. 81h70 m/s collides head-on with a 200 g ball sitting at res/xpgpmrul,li8f f1b .. +.q hst. 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 h8 u 9a f,lzlwiem6ziv8bk 7x.5ead-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of tabklzz5ie7 9 m6v,wlix88f u. he masses after the collision?

  A 2.0-kg mass moving to the east at b 9yn70cin0/ej llej8 a speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kin9nnl78i00 jlc /e beyjetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, shjs5tb 1pot9fjo)xbw am51wm7 gw:6 ( trikes a parked station wagon, who's mass is 2mxoj)o9g(5ba75tpjb1h: t mmw w61swf. The 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 v:yit1kbajzwu;b pa 4ufm/y+9 zp)t ,7ertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the b ;pka yimfp7azbztuu4 ,1jyb9w+/t) :ullet/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 f*wczt;n . fc n/,4aafy1ou4 jtraveling at 60.0 km/h south. The two cars stick togeth4;j,yn*ana ccf zf.1u/ 4t fower 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 f;3yz(3jr f thtraveling at 60.0 km/h south. The two cars stick together hfrt 3j3y z;(fafter the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a levelbrv7k*6kn.uj 87s l fp frictionless surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north wit7ln sv. f76*kb jkp8urh 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 with a velocip 18zy6lokm,f ty of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving w6kolyz f8m1, pest 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 q a)gvo5qem:vk8*5zyu+2a a z the origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the zaqgm oqy+*5:av8 a5)2e zvukcenter of mass on the x-axis?

  The center of mass of a two-particle system is at th+gza2:u -go t/n,dnwzt 6et b)9qpj5ee origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg n t )/ugadq zbtj:o,-n z+6ptew5ge29. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follx 1kssz(;vd+ iows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinatx+1szd isk( v;es of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are9hjd3fr+aj b8 located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively.ra+ 9bfj jd83h 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 is positioned at (1tezg s q:b3:r12, 0). What are the coordinates of a 4.0-kg mass which will result iz s::er q3bt1gn 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 including theroh6p. f5 fx3wej(y au p*k,c 4zjn4)x foot wheuj h)o4p .wcryp6ke5fax4jz3n* f (x, n the leg is stretched straight out. Assume the person is 1.60 m tall.