What is the SI unit of mm ctp3m-h g/*jy sxf34omentum?

  When a cannon fires a cannonball, x51qz6 hgkcm/e3/e mithe cannon will recoil backward because the

  A freight car moves along a frictionless level railroad track at constant spe yz )okjneu4;r1l6;nrqm x/ g1ed. The car is open on top. A large load of coal is suddenly dumped into the car. What h4 ;xm6ogz) r;lnqk uyj11 e/rnappens to the velocity of the car?

  A child falls sideways off a sled while sledd29 lx* b/5yp j1wvl(wzds0y bming on frictionless ice. What happens to the velocity of th(wsp ld1 yx/jb*2yvlmz9b w05e sled?

  A rubber ball and a lu0p1ga ozn48k*y;b v+e r(u os if5pmq9mp of putty have equal mass. They are thrown with equal speed against a wall. The ball 5 *on81puzisr9mbka4e;q+vpo f(yg0 bounces back with 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 itnah;qlouyv clr1r 93e;g22n6 s kinetic energy in terms of these two quantitie6 3roayhuve1l ;2 cg9n rnq2l;s?

  If you pitch a baseball with twice the kinetic jcq0x,ch nzz*45ru 8 jenergy you gave it in the previous pitch, t j4,n8u5zjz r0hxcqc* he magnitude of its momentum is

State Newton's second lawfr7va g vuou3 gfxt6;2nkm6ew t 3-8y( in terms of momentum.

State the law of conservation /jd.rtebey ;o4nq, wc,wo0)8z u)hd pof momentum.

  The area under the curve on zxswj7lyb,4 2 k+v)odq d;42hax(t yx a Force versus time (F vs. t) graph represents

  Which of the following is an accurate staiy,xrq adpu b.in 2j9vt5.k+v)*+m 5tz7ke hotement?

  A small car meshes with a large truck in a hea*cioe 5:ir d :o.z tkiw x vot.wf+5qliu:*q+2d-on collision. Which of the following statements concerning the magnitude of the a. ix*:.iq:dltfowiqrwec5 u+t5okz*v:+o2i verage collision force is correct?

  Two equal mass balls (one red and the other blue) are drop i 2bn(f7rn nr 6i;mhnxvq.03cped from the same height, and rebound off the floor. The red ball reboun.f i(n;7ni 3n0hvm rnbq6rcx2ds 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 c0 zg1 hdship0ga77- eurp m:/m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slo7 hpcz10 -/dira0 g:ueg hpsm7wly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bou2+xs)sm8h)5 z mkengabz5.t vnce off each other. Linear momentum

  A 3.0-kg object moves to the 07/1;1nf (plhvxbgyo ,bkq , vrss(q oright at 4.0 m/s. It collides head-on with a 6.0-kg obje sp(o 1k,bgqys;v7f0/nhqlr,( x1 obvct moving to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.(a b-zr)w- kfk0 m/s tackles head-on an 80-kg halfback runnin-kf)ak w- (zrbg
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved,o di: nod+/xa; then which of the following stateme/io+dand:x o; nts is true about kinetic energy?

  When is kinetic energy coyq9,f9bajoj 4nserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, wer 6zd:a gyn72hile the #5 ball movesd7 g2zy :nar6e away with the same 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 wde5i vy/b fa.;ith a heavy exercise ball at rest, the beach ball's speed after the collision will be, appr.;d/5 efyviaboximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on cf if0b hp7rdhmw7;fzo44 4 n6sollision with a statidzf mw4nhri0p6 f7f4sb7o;4h onary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a spedk,m c, 6 h+zn(r38 9zumoy8cdodud8c ed of 5.0 m/s collides head-on elastically with an identical ball d8u( zrdc,mc3 +kdzy h nm 68o8cd9u,oat rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving wi7 1-psbgglpj6 th speed v collides head-on with a very light object 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 af6jp p-b gsl1g7ter the collision?

  A very light object moving with speed v collide 7w) bi)xy9 0sdvaf.d3c;4x kimemka2/ gtxu :s head-on with a very heavy object at rest, in a frictionless environment. The collision yt.47mgb/exiam 9idf a;x)sv) u c 3k:2dw0 kxis almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s cobn*5-(mra xm sllides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow- mx(m *rnasb5 ball after the collision?

  A very heavy object moving with velocity v collides head-on with -o6wg d im1l-vc9;6 fkxct. s8tc oe:ra very light object moving with velocity -v. The collision is elastic, and there is no friction. Thdc9:8 i-rgvc6eotm fxokt.6;l-sw1c e heavy object 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 q)5.iu det7o)yrh*wo vatr98the following .) * )rt5hqood8ea uyvt9 r7wistatements is true about kinetic energy?

  Two objects collide and stick tothf7tjz jw rn,g*j(/ilf c4;:gether. Kinetic energy

  A 3.0-kg object moves to the right at e3vhbmy o, 4, v)w.qmd4.0 m/s. It collides in a perfectly inelastic co3y bevmvho4 w,.q )m,dllision 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 collidesoby4p(2wb661 d l9okye bnc3ca 0e 2px with a large object and sticks. Which object experiences the 92pkel 66w(2xd0ebbn1c4 y3op bcoa ylarger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is d wwb *h 0;nyp;g)6qvckeflected 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 massauq.h ow0fby :2888 clwo:oioes, M and m. Which of the following statements is false?:aiw oqw.f:0h88o2oc8l y o ub

  Which of the following ij4x49- s:s gfv6tnoc xs a false statement?

  Tightrope walkers walk with zi , zb*pks;6ga long flexible rod in order to

  A plane, flying horizontally, releases a bomb, which m2p g* 9iac wabv3k4;af d0dc)explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments,c*cw9bk;amvai4 3dgfd2 a0)p just after the explosion

  Two cars collide head-z )qq4g-;1vqx lgas*oon on a level friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What zgqoa*; sx-q qlv4)1gis true about the velocity of this system's center of mass?

State Newton's second law for a )btzue2om 3zmfn741hy4 y;e vsystem of particles.

  What is the momentum of a 2000 ohtfyaqtgkh,8 -,6 7q-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south ;x nb lhuq 18 t*)navrpi:z*u4at 20 m/s. What is the magnitude of its momen n*1uvn:ut*8airlp4h q;zb )xtum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. It wo .bv-klytexp-+(8ps momentum when it strikes the groupo8e-twl +v pbkx-.y (nd is

  Two identical 1500-kg cars are moving perp4hr)rxlulv 6.endicular to each other. One moves with a speed of 25 m/s due4rl6.x)lhu rv 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 kg, t9aua (wyut*5oraveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the momen95yaua*u(owt tum of the ball?

  A 0.060-kg tennis ball, initm9 j gng:uv5udc67a 6,ekb4/*tglnv r ially moving at a speed of 12 m/s, is struck by a racket causing itg cl7vt6 mk4j bdg:6 n5n* ,ureagv9/u to rebound in the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machyixr0kj1xfx1 + 0jma )ine (excluding the baseball) is placed on a frozen pond. The 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 frictioy10)0x faij jxkm+1xrn.)

  A 70-kg astronaut is space-walking outside the space capsule and udp5uq(:rz)-j p)ft3 ik 0lopis 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 t z0p5 p-d)q3oufrkj)pt: l(iuhe astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/ 1 htwkcq3n,8is approaches head-on a large object at rest. The small object bounk3 t1hc8n,q iwces 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 on ice at 4.0 m/s to greet your friend (40-kg mas.2 xidr: q5ld p-q.ajus), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move o.d pi- uqdqx2r.la j:5ff together?

  A car of mass 1000 kg moves -o,-gmkpzntc.f rm3; 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 momentum after the colli zfpgt-om-nkmr3.c,; sion?

  A 1000-kg car traveling at 25 m/s runs into the rear of)y8m sx f0m ;q+(cyhss a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars after the collisi m) 0cs8xsf;q+yshy(mon?

  A railroad freight car, 0:1 b.icrjtii mass 15,000 kg, is 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, inirt 1iji.0b :citially at rest and with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of masg 6vaz(;i7uqk s 200 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 lag7 i v;6aqz(kunds 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 +ezt5 *2z yfaarate of 0.80 m/s (with respect to the log). With what speed does the loyt +ze5a* a2zfg move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly increases5 z8j0pjika8i to 15 N and acts for one more second. What impulse was imparted by these forces to th j0i5pk z8ai8je object?

  A constant 9.0-N net force acts for 2.02 66 mclstv+gj s on a 6.0-kg object. What is the object's change of veloci6s2 +6jc tmvglty?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wc 2fz/ jlukk*r;w co78all and comes to rest in 0.20 s. What is the average fck 872o;/z cuwlfj kr*orce the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hsaadurh3a6 ,6-ho:z f4b;go g it 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 thegabu 346r-ozgoha6; ,afh: sd average force the bat exerted?

  A 0.10-kg ball is dropped onto 1 jin17.gscny .5p, l/am 9jtox x,qxca table top. The speeds of the ball right beforegxa5s njt9jnp7oly,.m1x/cq i .c x 1, 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 table top?

  A machine gun, of ma;u c4yga11rd z )vj)tass 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average for;1uavzr)d4 gacyj 1 )tce exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building inzsebk/e rw.ik -,h m93:3u ugr order to knock the door down. This requires a force of 1000 N. If the hoses/ uz w.ki:hk ,er-erb39mug3 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 rate of 120x/ysmvibx9( 87u o0 py kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash upisux 7pom0(y bv/y98x, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achiev/e,uh/ sp4)gju*dzfh es a velocity of 40 m/s after 3.0 s, when fgeu4/dupsz*hfjh /), ired straight up. What average thrust force does the rocket engine exert?

  Two astronauts, of mmjvwo(3;nc/,eo)g ,o jwq r.hasses 60 kg and 80 kg, are initially at rest in outer space. They push each other apart. What is their separation after the lighter astronaut has moved 12 m(hw.3)j ,owoverj no,g;qm/ c?

  A 3.0-kg object moves to the right with kc xg)ar5 yuli7i,m1( )oqr* ha speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s.r7(ykg x,mohl*iira)) q c15 u What is the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s2l:-8n3l oafol cd0dk in the +x direction makes a head-on k d- c:3lndl02fo8aol elastic 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-kg bltz j6w85 /hzakmx2 (flock 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 block righ 86 mz2 af5j/zwtlhxk(t after the collision?

  A proton, of mass m, /,t/zl+ns k: ;9hjiyxidg ,lxat 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 the alpha-particle gldkxi9x:t;/, n,+ljsh i/yz 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 kl(u 7hudml9*qt i5an *do7 x5 i3oj.rwith a stationary ball of mass 100 g. The collision is elastic. What is the speed of each ball immx*k7uthi(q5l o rdu53 m *il7j o9a.ndediately after the collision?

A ball of mass 400 g moving toward theap,rk xw8 lxp::5wl2kzpbf) 9 east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is perfectly el 5 z,:p9wklafw)r l8x2b :kpxpastic.
(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 witmjv8afqwt/ h12y1. uvh a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectla1t.v1qf/y 82juwv mh y inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed ofs45pm2bt y lx2 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kineticy2ms4 2tpl b5x energy is lost during this collision?

  A car of mass m, traveling wit6wcm1ed-a js ,h a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision-wm ja 1ed,cs6. 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 itselffhodq s 51*m6s6r(xpb in a 2.4-kg block of wood a rest directly above it. As a result, thexs1(*6qprf s6b om dh5 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 trac:x,z zh4 gv7lnx/rpju/7 qd 1veling at 60.0 km/h south. The two cars sticg/rzlq pc4dzhv77n1x ,ux/j :k 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 coz))dhv4/ lccl(wsa2 h etp; c84tjge:llides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick to tt(hjcl) ;da 4):p4e8v2 czsehl/cwg gether after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level fylvh(, i r jmoxv8sbf4k01f3,rictionless surface. Object A moves east with a momentum of,oi(khfrys0jfv43bx8l1 v m, 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?

  A small bomb, of mass 10 kg, is moving toward the No igu/j 67rbg4. db)5xkau:hbb7 qkta,rth with a velocity of 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 wix h.aj7gi rk:,5aug6bdqu b/)t74bbk th 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 myacl5pr) mu jepj9:a m 35(jzsd*0 nl2ass sits at x = + 21.0 m. Where is the center of mass on the x-axs9yndjma0l3pe2 m (c zp*)ujj5r5 a l:is?

  The center of mass of a two-partic9qjw/ r 1yk/fble system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. /wj 9 bqfyrk1/What is the location of the second mass of 3.0 kg?

  Three masses are positioneylty,rr f9p2+sq q4g*c6;d uw d as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordiw d qfy6;c9gt4qy p*,2srr u+lnates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 klfbawd5 xpg2 dpeagra6 9//t6q2 .4xx g, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. W6r q2wfax . 4b /t/xp6adal92gd5ep xghat 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 4j+ye- lqmn6 tke7yen a*) y5wmass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of 6qkn ewey45elt)j*yn+am 7-y 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 wh +z)l i+jwhab(ole leg including the fa+z hwlbij+)( oot when the leg is stretched straight out. Assume the person is 1.60 m tall.