What is the SI unit of mo5qk rbg:j*br-x: 0 d 5zserl+omentum?

  When a cannon fires a cannonball, t( ih dom(qwnl.wy/2g30n rc 0the cannon will recoil backward because the

  A freight car moves along a fr5x u(nq9zh*svq* a4 ub :i 4wsuh+dzf.9tm-uqictionless 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 thisa:4dns*q +u(*95hxwqmf-uht. 9zuv ubq4ze velocity of the car?

  A child falls sideways oqp1h).ft+ 5qrn -q 3uxvowr0b ff a sled while sledding on frictionless ice. What happens to the velocity+ rqqq 0novb-xu)p.wfr t1h53 of the sled?

  A rubber ball and a lump of putty have equal mass. They are throl+(ex3.bv, r y f6knr bjgd8;rwn with equal speed against a wall. The ball bounces back with nearly the same 8 v3jb lernr(.kgd;6x+,fb ry 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 m wsw1p)f,gh co :w/l-womentum p. How would you represent its kinet- /w,)wpfc1 ohwl:sw gic energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in th 9beh(; ,rovmxf9px7ge previousx 7 xfpr9 oevhbg(m,;9 pitch, the magnitude of its momentum is

State Newton's second law in terms of mome4tch+5 g-/g)h7 c 6rjzuwxud/sml; lvntum.

State the law of conservation of mok/wl.i9a a4)gh8 h8ik dwh 9lqmentum.

  The area under the curve on a Fs azsizhxv- vsra12.x .6gwpn7d3/) porce versus time (F vs. t) graph represents

  Which of the following is an accurate stz: khcn 0j0fu3 rj*4zzg6bv aj72 agi*atement?

  A small car meshes with a large truck i-vq (, 4xtmdqwn a head-on collision. Which of the following statements concerning the magnitude of the average collision force is correcqqwdxm(- tv4,t?

  Two equal mass balls (one red and the other blue) are dr7s3k+ d.6gr :0k knxstw)a ozaopped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Whichx.:tk d+z0 ok36raga ns)wks 7 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, collidea ) t6uzrsbx7vp.vj71 s 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 object7s)vrzvua x .6 7bjt1p experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each ot2tc vxj oc:0ga 640kaxher. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6.i:yast1 irx 0xm.f9g0l9pq q/0-kg object moving to the left at 2.0 m/s. Which statement is cxqr1mi.q/ 9:pfsilxg9a 0 yt0orrect?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 8 7xt pm28zl+xe0-kg halfback runn7tm2xxl z pe8+ing
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum inkhb j+./pkj+cets9, s conserved, then which of the followingj c9st+p+nj kk/.e,bh statements is true about kinetic energy?

  When is kinetic energy conser.66tf9yjx)a u k9xnn tved?

  In a game of pool, the white cue ball hits the #5 ball and stops, whil* ;w/e 6p61gktchzwpte the #5 ball moves away with the same velocity as the cue ballp/*tt c 1k6e ;wgzpwh6 had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides with a heye i+)l: tvrf5avy exercise ball at rest, the beach ball's speed after the collision will be, approximatiyev+f)lr: 5tely,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision with 2mz ugk4sg- p3gm5gg3 1tfkf9q/ +rdoa stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the sp ru4 f3sggd1 5 9qfg+kg/pmmgot2kz-3eed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on e88t5zz1(yv 1z pbxm-ggwm. cllastically with an identical ball at rest. What is the s.1w b8(5ctgm-zgl zvy z1pxm8 peed of the initially stopped ball after the collision?

  A very heavy object moving with speed dh aj4h0-g-r*i,xo go v collides head-on with a very light object at rest. The collision is elastic, and there is no fri-drh*gi h4-aoo0xj, gction. 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 6rdy5kic:* p t 0 ccd:(qimxg2h5l9pw with a very heavy object at rest, in a frictiom qx:wth 0l5y5pk*cp: i(2rgcd 6i9d cnless 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 head-on with a yellow bf4oyka1zlx(,iz0 n4ffm*lh xtq*( j3hv; -f call of equal mass moving with a velj1af;fqm*y((n, ikzto h vc*0x4 -3zfh llx f4ocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v cozta6u*woi) 3tpmq3 (y llides head-on with 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 the light object after the ia w*pmt3 3t u6z()oqycollision?

  In an inelastic collision, if the momentum is conserved, then which of*/af5(0ppi l mv/6fja kglq7c the following statements is true about ipjg6k5v ca07*(/am/lplf qf kinetic energy?

  Two objects collide and stick together. Kinetic energyoe nw) //o/;-c(mmzma jm rh9g

  A 3.0-kg object moves to the right at 4.0 m/s. It col 9 kofgny-h4;ee y2k+,qzs)ee lides in a perfectly inelastic collision withekkgn2ofy+sq-y9e,)e h ez4 ; 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 stiixa;8h - h a4miqqh6l e9 o*un(1vftk:cks. Which object experience-a: lq ue o8 1t4qnf;h hih(v6*m9iakxs the larger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball ac o+0.jbu )aa,xdho6 m)ol e.mnd 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 is(-g 0qg0y6r*db2n 4s pksfu5tzm.o bk false?y6t0zo b. f54qgms b- usdkr*(0gkpn2

  Which of the following is a false statemenn+ jd gc);p ye y1b0c*r-9mso q37bairt?

  Tightrope walkers walk with a long flbnw1qlf(/2wm sd/ f-e exible rod in order to

  A plane, flying horizontally)dw0f;s; oergv;0yoc , releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the 00o;v );y;f gecdsorwcenter of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The crs398cki2zuq +s (f g9t6y0qv 9mrdgcollision was completelyui (cr93 6fv0qy +zsdkct2m98 9grgs q 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 a zr4k3ba+vv 3.a4zeq nsystem of particles.

  What is the momentum of a 20bc* -27ig*m b*fmemsu(fhl s2(wf4ix00-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitudqz+15tr - nl bs(/oylve of its momentum?5t bv+q/srlz( -ly1n o

  A ball of mass 0.10 kg is dropped from a hwoa6ms mq0eln flx s 3*4d*0/ceight of 12 m. Its momentum when it strikese0 /maxdoqlm 0nl *fc4w 3s6*s the ground is

  Two identical 1500-kg cars are moving perpendicular to e-db j-3;kv1powljza c 31f/rbach 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 mome/rpk3 1flzjco;3bjw-1 bdav- ntum of the system?

  A handball of mass 0.10 kg, traveling horizont fd/ zdm.*6josonyw 54ally at 30 m/s, strikes a wall and rebounds ozjdon564d wm .s /y*fat 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at u , q, o6+qske4vj9oxea speed of 12 m/s, is struck by a racket causing it ,e,k 4jq q+ovx9s6uoeto 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 machine (excluding tj*t ks)oo;w8 ahe 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 theko*)tw;j8o s a recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsu wskl yy, )lukm+o0m7m2j +g.vt0oi-ole and is stationary when the tether line breu)2kot ko-y +7j 00y w.l,i+msmmg volaks. 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 momentum 5.0 kgm/s approaches head-on a lard6hx*ql as9c4ge object at rest. The small object bounces straight back with a momentum of*4hx6 9 adsqcl 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 frie0s qib5.3*ic qxd -*xoutv/xqi/2) dk id l5zgnd (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move off togd lq.v3 q qoi5/x0/5i sxtx2d i *b-ucd*zki)gether?

  A car of mass 1000 kg moves to the right along a l3 php3 toyl 42jvl28muevel, straight road at a speed of 6.0 m/s. It collides directly with a stoppl2pt38 h 2upmv4j ly3oed motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped b ce95a)dsu5 ncar that has a mass of 1500 kg and they stick together. What is the speed of the cars after the collisi undbcs)a559e on?

  A railroad freight car, mass 15,000hc8a ink(2t-p kg, is allowed to coast along a level track at a speed of 2.0 m/s. It collides and couples wi2 pnha-k tci(8th 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, rolls with negl4n f-2avgl80n tqn m)gigible 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 lands in the camg 2qnnt0vag)nl 84f-r. How fast will the car be moving after this happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s ,x( h l7ousq0;cs2vlh j-*ssz(with respect to the log). With what speed does t2;q(ssh0 lhojc,l vus-x 7z*she log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. Th wkstf/z 2x)7te force suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to t twkt/x s2)7fzhe object?

  A constant 9.0-N net force acts for 2.0tulm /3r*-x6x*xfj xo s on a 6.0-kg object. What is the object's chax xlxu - 3r*/*mfx6ojtnge of velocity?

  A 2000-kg car, traveling to the right at vt y s:og2hsb4ec7f( 430 m/s, collides with a brick wall and comes to rest in 0.20 s. What is thgbe t4y42 :schvf7so (e average force the car exerts on the wall?

  A 2.0-kg softball is pitched to y,wl50w4ro loyou at 20 m/s. You hit the ball back along the same path, ylo5 wlo04,rw 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 topu:/mlmmq (x94 7 xavod. 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 ex4xum xv(/m9 da7q:lm oerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram buwwly-ugbv 963llets, with a muzzle velocity of69wy gb3uv-wl 750 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 on the door of a burning building in order to knock+i,be-, j4nx k ocbb2p+vhs.b the door down. This requires a force of 1000 N. If the hose delivers 40 kg per4vc+j,2b i.o-nbes ,bxk bph+ 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 120 kg per minute. It v)12 p yojm4cin7l 5; sbd+xwsz 67y*aj1ulnafalls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it ex7dwa;jp ny1azl6+1iu) mjlsc 24s5vxn*yo 7bert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a vmuph3v:;w6 ak elocity of 40 m/s after 3.0 s, when fired straight up. What av:w3p6; vua kmherage thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80)zp70qzl mji v8o1:ex0 qjeazja(y (- kg, are initially at rest in outer space. q8 pe0oz 0v((ae7zl-ij)z:yjqjmxa1 They push 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 spef:i, t,tiww z.oabhxf /;/5tued 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.:5whtw,i.x, fzi//ttf uo;ba 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 makes2f3ywbm 6 l.fr a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object afterr3 y2. fbmfw6l collision?

  A 10.0-g bullet moving ilt o+, 1huulimyw8/ :at 300 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 its ori8/iuwtm:lo l,hy1+ ui ginal speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is stru gsbr2 6d3aswiq*a6 u:ck 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 thesi arg*wbqu: 3d2 6s6a neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a sta.851czvphbwe o a z+)wtionary ball of mass 100 g. The collision is elastic. What is the speed of ea5 1h+zpbzw8 .evo wc)ach ball immediately after the collision?

A ball of mass 400 g moving toward the east with a spee46e..r6xy chqb5t od od of 3.70 m/s collides head-on with a 200 g ball sitting at .t6x6berdo.hy o5 q4crest. 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 spe8gpr,o8;uu /wb x+ypdblk:z( .e 7cxyed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the g, w;+bu/cr 8pzdyo:ky e xplb7x8.u(collision is perfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east am/9cn5fns-gos q(85kcb/ j et t a speed of 4.0 m/s collides head-on in a perfectly inelast//js5gk(9ntf qn-8o mc5 s ecbic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling fcxg q .x0ob2lj32nt/with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. 2 n.q2jtofxgb3 x/cl0 What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical d( 1;-d um- +rafb(c hzrxs wp7cqy*,ysirection buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combirqd7+* zsuwm- cp-xary(; f1 (sc,h bynation 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 eal25bi k:) nng8(d ogbbst collides with a 3000-kg car traveling at 60.b bno2glgdi:kb(85)n 0 km/h south. The two 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 b)j td::f ieig10mua.traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) Whaib1ua fe:jd gmi .0:t)t is the direction of motion of the cars after collision?

  Two objects move on a l +up(;1qy* wfb4ow7 aj foul6y xbxz2/evel frictionless surface. Object A moves east with a momentulp2fw 7ob yfz yu/xo6*4a(; 1 +wxqjbum of 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, i8 m6ffnbp19k j 2k:yokj ore *aq2h2d*s moving toward the North with a velocity of 4.0 m/s. It explodes into three f 9h2k yf2jjbmadnofrq*pk 128: 6eok* ragments: 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+*nr+k tps3jx 0rbq 9z9c is/p-kg mass sits at x = + 21.0 m. Where is the center of masrp 3r9zj0tk9 /+np +bi*cq xsss on the x-axis?

  The center of mass of aybd5 a fg0 klo4ed v0x(5h3y4i 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 location of the second mass of 3.0 kg? fadokhy54 0x5vbl3d4(iye0 g

  Three masses are positioned as follows: 2.0 kg at (0, 0)hcy7 ;nbb, 5dg, 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the cen7hb5;bc g, dynter of mass.

  Three masses, 1.0 kg, 2.0 kg, h+2x:hm0cb w, phlay1and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -m:0 ywpx 1ha ,ch+bh2l2.0 m), respectively. What is the location of the center of mass of the system?

  A 3.0-kg mass is positi 3r/ujs iv;dpc-b ca-9oned at (0, 8.0), and a 1.0-kg mass 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 o- ur /9biccj3sd; v-aprigin, (0, 0)?

  Use Table 7-1 to calculate the pos go) pfdi3* ipih0s53(j mgo9mition of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the person is 1.60 m talio3 gm)hijomp0dfi5sp 39(g * l.