What is the SI unit of momen /6 lorkn/kxj1tum?

  When a cannon fires a cannonball, the can iubsbxv-1i31m yne ;xfl)-v*non will recoil backward because the

  A freight car moves along a frictionless level railroad track at conss-iaa6s di l*3cdvub)e+ 5o3ttant speed. Theso5t 3aib)eav6c3* ild-+d su car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sleddikg4va( wr.*i*5 hlj fq ny :ip(j-jxq(ng on frictionless ice. What happens to the vkw*l( j :vyqp.aq5j(ji4nhg*ix f -r(elocity of the sled?

  A rubber ball and a lump of putty have equal mass. Th i:hz8*l nfhki lh06(edx tu4;ey are thrown with equal speed against a wal(u h;tde6h0hx8 f lin4 iz*:kll. The ball 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 fp25gg0b owu2c ) 1onk)lm3:nx,jcab is moving with a momentum p. How would you represent its kinetic energy in terms of these cam 2pgb1n02,ljn :kowgxb5o3)f uc)two quantities?

  If you pitch a baseball withx2o c2 4bssqw. twice the kinetic energy you gave it in the previous pitch, the mag.x4bc2woss2 qnitude of its momentum is

State Newton's second law i. c;k9dl fbeq/g/5s kwn terms of momentum.

State the law of conservation of momentui5gth6ch z+buv4* +rom.

  The area under the curve on a Force versus time (F* 8;ctu-abnk t vs. t) graph represents

  Which of the following is an accurate stateme -3qx m/z teoiehhe7-12lf /wqnt?

  A small car meshes with a large truck in a head-on collision. Which of thn6g/scn s5sgm3( p0 kxtu7n)n;k1ix m3, nothe following statements concerning nt53,mgoxis/ (3k7hgs s)cnp mx ;nu 61ktnn0the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the same heigh *)d dpsy2 rbkik432mht, 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 d khky)s 2 2di4prm3b*with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a statis a.9(xr: 8li(e wcoboonary bowling ball. The Ping-Pong ball bounces back to b9wo(or :sl8. aicxe(the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear mome5o0 y,as tk34qro; bcrntum

  A 3.0-kg object moves to the right at 4.0 m/s. It crt(( aa bx31xlollides head-on with a 6.0-kg object moving to the left at 2.0arl 1bxat3((x m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s ta o+cnqrmtr vswpk*4)35 ,b;g yckles head-on an 80-kg halfback run m sr35qp; nwy+cvgbk)*o4tr,ning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collisiolfx1)tnd, li;i kw +:an, if the momentum is conserved, then which of the following st: 1ial;)+w,f t nldixkatements is true about kinetic energy?

  When is kinetic energy cons za7+u(thedg hd- ;yf0.cy0wrerved?

  In a game of pool, the white cue ball hwfif9b3 pke/2its the #5 ball and stops, while the #5 ball moves away with the same velocif3pb 2w9fiek /ty as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a abu2:8 fpc di4v-*s kkp -w,glspeed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed afteruklv f 248p -s*:ig-d,pba wkc the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collisic64pgg4 m1ulwon with a stationary bowling ball in a frictip64ulmggc14w on-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 speed of 5d l,mci3g s, av3)6a t,ebg-kw.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the initially stopped ball after the col-,mt3)s ,gbw gvie6 aa d3,ckllision?

  A very heavy object moving with snhwlp :i g(fj sv)g; g)l5i38zx(1 wxzpeed v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The he8w(w;lf1 zxs iiv g)ln) 3h(jz5x:gp gavy 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 very he733 57j jwza ;fowsaxuavy object at rest, in a frictionless environmu73 jjwas3 5zwo7;xafent. 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 ball of , .tl6 smypv i:e4(w5)imhl7vyzw8yv equal mass moving with a velocity of -2.0 m/s. What is the velocity of the mv5w p wyi)vz,8vyts4mh6: .y7l (e liyellow ball after the collision?

  A very heavy object moving with velocity v collides head-on w,-p*k. bgj oivith a very light object moving with velocity -v. The collision is elastic, and there is no friction. The hi- jopvg*., bkeavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, thenm)uj8v ub.8)f;fn/ gm.hu *i/vhaqqg which of the following statements is tru.)8;buvmhvf a*/um qh)/qgnu8g. ijf e about kinetic energy?

  Two objects collide and stick together kq8f-r)l, cg(inbsb*. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. k6q r si4m)-yrIt collides in a perfectly inelastic collision with ay ir6r4-s)qk m
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 p)1mvfx t je: 5in*5wch7k k )w+w3gyswith a large object and sticks. Which object experiences the larger magnitude of momentum chykmh c w*5:j5)1+f)wi7 pwsxgtevkn 3ange?

  In a game of pool, the white cue ball hits the # u;- 539wgxrxd 9ypdmm9 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. Whic jyyoo 1unj 2d4vf65s-h of the following statements is false?odv4 5 y-u jnsyo1jf62

  Which of the following is a false st.kd 3:d03s6jvup eh geatement?

  Tightrope walkers walk with)ep0gxt qmoq 760s8r b a long flexible rod in order to

  A plane, flying horizontally, releases a bomb, wmum 8 t70 9/axyfijb(0x.xxmhhich explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments,xai7ux 0m jtmf 09m.xhxy8b/ ( just after the explosion

  Two cars collide head-on on a level friction-free road. The collision wagzp6 a7 a-f;iiz8ntr(s completely inelastic and both cars quickly came t-g86f at;i zzn7r p(aio rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a system of particles.pfy- 63x kl +fu/8qovd

  What is the momentum of a 2000-kg truck tqgal i- 3ikum)( /bjn1raveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 2k ja; jp3 ies0hnx98j/0 m/s. What is the magnitude of its momen 8n ejk ji;0xjah9p3/stum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum when itdw1z trbl-wl10 v 5hs6wtpip-322djd strikesl2d iw- 1hb1-d0 6lptst 2z53wvpwdrj the ground is

  Two identical 1500-kg cars are moving perpendicular to each other. One moves w 0oab h)2ji9vjfc38n:jo,ng bith a speed of 25 m/s due north and the other moves at 15 m/s due east.njo)io j 2j 8fc n0b,b39agh:v What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, str,as0 ip3 wg*ddikes a wall and regp 0i3* wsd,adbounds at 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball,s(-wfoe:fq m 3 initially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a(wef- :fq 3mso speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pvr/01(fee buuv m +ft)ond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is thf) +teu ebru /v1vf(m0e recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-was5x s*)wz xhcnxnid .*:quu15lking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer atx.*iwh zu1ns:5xcdn)*q5 us x 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 large object at re8pko9s6pa2;6gscpika +8k pgst. The small object bounces straight bacg +;pkgp86akko 926 i8scsp apk 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 (4d iek7r,j u3kw7x+:b x0-kg mass), who is standing still, with open arms. As you collide, whxx:7 i7 u,e kd3jrw+kbile holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right alongrk(kyo8q,i. i yz5os0 a level, straight road at a speed of 6.0 m/s. It collidiky (koi,qs .5r y8zo0es directly with a stopped 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 red6-k k0rwwe .h v5txm-ar of a stopped car that has a mass of 1500 kg and they stick together. k--kr we5dmhxw.60t v What is the speed of the cars after the collision?

  A railroad freight car4c.*pcmxzqnws xbh-t+si.r9t 5/t( d , mass 15,000 kg, is allowed to coast along a level track at a speed ofz/ p hsittn *+5.qrs ct- x.4mcx(bw9d 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 after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a hkeqhx :)u.0zcij n0a;bbn)m 4orizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight)x )hz0 cjb :bmninu q;.ak04e 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 rate of 0.80 m/s (with relit3-wy+f5sijj9qdv( 0hoe 7 c67w puspect to the log). With what speed does the log move, with respect to the sho 3f 7 e9j+7p-wustdqhoi 0v6w5i yjlc(re?

  A 4.0-N force acts for 3.0 s on anikp)f zw77r 2h object. The force suddenly increases to 15 N and acts for one more second. What impulse k2ripz7)7hwf 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 object. What i/kku 49p4 jmyfs the object's change ofk4m p4f 9kj/uy velocity?

  A 2000-kg car, traveling to the right at 30 mdaa ; 9 8swed*:pzpf8e/s, collides with a brick wall and comes to rest in 0.20 s. Wh 8 8a;dwp9fead*z spe:at is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at m d+w0jklu.qq5xs -k*20 m/s. You hit the ball back along the xk*qm. u-0kwsjq l5+dsame 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 force the bat exerted?

  A 0.10-kg ball is dropped onto a table to3fn * t8 y/ yua;bw/vmptxr;8dp. The speeds of the ball right before and right after hitting the table top are 5.0 mtx a*t b/pymfn 3uwr;/88v;yd /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 50.0-gram bullets, with azm q/tr*k 8rm) muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gunrkzr)8m /mq*t mount?

  A fire hose is turne( nhyufjv b-drq/n24 *d on the door of a 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 velocity of the stream needed, assuming the/nb( r-ju 4* hnqf2vyd water doesn't bounce back?

  Water runs out of a horizontal drainpipe at2.mvnhrjup yld :()s5 the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exertmn(hvp: jrdu )y 2.ls5 on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s aftea2kp ld9 r2b6ir 3.0 s, when fired straight up. What average 2dka92l br6p ithrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initialzvdonzyu:f; *mf)+fgn :* n7r ly at rest in outer space. They push each other apart. What is their separation after the light *y*fndz+ m:v;f 7foug)nr: zner astronaut has moved 12 m?

  A 3.0-kg object moves to theah3 wvcz:02xav q o1f/ right with a speed of 2.0 m/s. It collides in a perfectly elasticv:a0fx q2cohaw 3v /1z 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 r :4v3evsy e-yt+e :hva velocity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the fiy+v4-v veh ret::3esynal velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired inzp3/q7jrgbvhutm (1jl5 /z3 vto a 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 block right after the c1 /zgr q37vjtmhv /35zluj(bpollision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (which kqo b3bx;rq3b8ke( q4consists of 2 protons and 2 neutrons) moving at speed v. If t b3;3rxk8 ( bqbkq4qoehe 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 s 9gya: l6dpr d7.hhbgbh+b:8otationary ball of mass 100 g. The collision69layb:ghh:gb8 .+o7prh b dd is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g movingttjn7 u6l5 tz./0a eao toward the east with a speed of 3.70 m/s collides head-on with a 200 g ball06 zn5t ea7 tl/u.otja 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 coll5t4 )hf6dq ele5 *b2sdn3 wyouides head-on with a 3.0 kg mass at rest. If the collision is perfey3udo42 f 6lt d5nwe*b)eqsh 5ctly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides heak 4 k-s)on4jz.qx9v mpd-on in a perfectly inelastic collision with a stationary 2.0-kg mass. H -xs 49qom pv)kjz4kn.ow much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parked station wagon, ; pedvvyt)f9l1fu10hmi 2/ bawho's mass is 2m. The bumpers lock together in this head-on inelastic collisionfvhl0ib2m/a p1 fye1);vd t9 u. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m8krl5t y0dlot bk:)3r(y2k0eal4wfz r 7 wnt, /s in a vertical direction buries itself in a 2.4-kg bloc l0tt0r83kw7:eb,t( k2ar zyf 5llow)4dnkyrk of wood a rest directly above it. As a result, the 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 cjf,/89j iys*gfbw ,ckar traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What yb, g,kwf sjjcf/8*i 9is the speed of the cars after collision?

  A 1500-kg car traveling 6k.; qfdp-vq xkgz 580b huq;m e1;fahat 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 k zghfeq6kd;. 1;qu qmf-vbxp5 0a8;hdirection of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A al id.bv97l,mmoves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. What is l .b9,ila7mvd the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, cg 3 f.n(y ty5jhd+90z6odis.wco vurz ;/8hgis moving toward the North 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 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. ot.3 0 .z zojg5h srhc8dwun/ycd(;i6vyfg9+)

  A 4.00-kg mass sits at the origin, and a 10.0-kg majo2ucd390 68a iylx lsss sits at x = + 21.0 m. Where is the center of massildy239 6lo 0 ua8jsxc on the x-axis?

  The center of mass of a two-particle system is at the origin. One particle is zb5dmwd j*f- w8*x1dllocated at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the seconfz5d*j1wmd*8wx ld b-d mass of 3.0 kg?

  Three masses are positionehyjpj2lto,a m* ha77)o (lnn.d as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2. 7l(2,jo.jl a onhhnp*y)at7 m0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0bd5okob q35 8r m), and (2.0 m, -2.0 m), respecti5qobokrdb 53 8vely. 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 (12 hx8jmnw - 1yv1tvb/k(ob4 ph4, 0). /x4htj 4-(b 8vn1kyo1vbmpwhWhat 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 (6j5r3ep .q*phct 3ud ;pmcv/qxbz d/of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the p cq m;rd 6pxuc*qjt3/dz(3b 5phe. v/person is 1.60 m tall.