What is the SI unit of momey- 4z hbpgobag0:74jwntum?

  When a cannon fires a cannonball, the cannon will recoi su4 ;rtv9xgw3l(g/ qbl backward because the

  A freight car moves along a frictionldi48 o.3qmuz mess level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. Wh.i ou8 4m3dmzqat happens to the velocity of the car?

  A child falls sideways offvrhym)v (p uy8bu5+n7 a sled while sledding on frictionless ice. What happens to the vel ury5yb(n 8v)+mhup7 vocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown with eqdn)josjlq81 9ual speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty stnjl 8soq1 )dj9icks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentup;2ru2fr i )zpm p. How would you represent its kinetic energy in terms of these two quantiip zr2;) frp2uties?

  If you pitch a baseball with twice the kinetic s kg .x+ gige+/6t kvwzqmb*u47 khp59energy you gave it in the previous pitch, the m6vp5keu.4 ig9sg+mk qw *tz/+kx 7bghagnitude of its momentum is

State Newton's second law in terms of momentum.o j7l22jl5r0q i 0ioug

State the law of conservation of mom4,2 m4pox buywentum.

  The area under the curve onac39x).bxwn0lte( 9(loe ll h a Force versus time (F vs. t) graph represents

  Which of the following is an accurate-- 5zbf7-.uo x odulvv statement?

  A small car meshes with a large truck in a head-on collision. Wha9nnmm yw ;e9l m;2k6vich of the folloy9mlna96vmm; wn ;ke2 wing statements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue)a0w rt* slf6k6 are dropped from the same height, and rebound r *sw66atl0fkoff 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 floor?

  A Ping-Pong ball moving east at a speed of 7gq; wo/rhs )6w(x7p :viusfd4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the westrvg7 x;iws7dsw )h6ou(p fq: /, 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 om*60d l p2zcuihxii33 ff each other. Linear momentum

  A 3.0-kg object moves to the right at 4 dsnrotg-4 -fy* x6eog6)cy,t.0 m/s. It collides head-on with a 6.0-kg object moving to theg6-f s6ydr*,t4e)-tx n cygoo left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg halfbaxc*ib b zar)26ckaiz6)*2b brxc running
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is c( mv rzzs) y+f:q.a6fhonserved, then which of the following statements)q6(v +fz: af.hrz sym is true about kinetic energy?

  When is kinetic energy conserved?*ncvovkms m /:z8pugz.*aky:t++c( l

  In a game of pool, the white cue ball hits the #5 ball an./jgq0lviys -d stops, while the #5 ball moves asj-yl. gq /v0iway 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 with a heasz :q 8rj8xlkq5h(6i(o (/ baof3icjavy exercise ball at rest, the beach ball's speed after the collision will be, approximate3io b8j5jxzrq6/( ko8hcsi(l :a(a qfly,

  A golf ball traveling 3.0 m/s to the right collidesr4/jlcezw d9klkm 6 1, ijy+uxrh/1t+ in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of td1/j1kcrz +jey r4i,xllwk +6/h m9 uthe golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on elastical0owbpkngx1ih jl. smt.7.1:ily with an identical ball at rest. What is the speed of the in0t b1kh o.s1pi7n.lgxmw:.ij itially stopped ball after the collision?

  A very heavy object moving with speed v collides heive; w42a. ((citba jead-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 lightb viewajet ((2a.4ic ; object after the collision?

  A very light object moving witp;b2ns)bjc /py yx 16mh speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost p/m n1cb;jp xs2y by6)perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s cp;m(k8oh:0th r+eqj5( .q i o/wzw dif qb7u6sollides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/srip+zqwf 0mdq:wh 6 (uj.k i /( 7hoebtqo;8s5. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v colr l jw(s/x*v+tlides 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 spe j*xwv r/tl(s+ed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, then 7/z v 1 tzplg2rr28xp8oha wa+ ve*b1twhich of the following statements is true about kinetic en8rh7* v2z8 ltt+1aaz o/epbwr 2 xp1gvergy?

  Two objects collide and stick :-try vxd:f 6)h xix2otogether. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collidlin+;/yq0syn4 qmb3 ses in a perfectly inelastic collision with 4b0lmnsn i; ysqy+q3/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 laou.hdgrcyr6 n j)t7arv0n 5nb9 p55:urge object and sticks. Which object experiences the larger magnitude of mo r5)v6 y0onnu5j.ng9 a:uc75rtbdh prmentum change?

  In a game of pool, the white cue ball hits the #9 ball and is def(g2w(mue8*jd2u i yf nlected 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 fal x1u1jlb e++ozse?z +o1jb+eu1l x

  Which of the following is a falses9lu b);zey cr19yp8s statement?

  Tightrope walkers walk with a long flexible rod in order )x-k(+m uoxf*aka nh5z3s r*i to

  A plane, flying horizontally, releases a bomb, which explodes before hittin fsbud oswj; *delgl. dnm(7u*/47gb.g the ground. Neglecting air resistance, the center of mass of the bomb fragments, juste7gm;/*u (o74u s*j bgd. f.bddwllns after the explosion

  Two cars collide head-on on a lev x)8jhe9 (m(pnftc2piel friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. Whati8ejf m( )n2xtp ch9p( is true about the velocity of this system's center of mass?

State Newton's second law f--0 dw d );)hd.wdi :8xuugvtpajlcz5or a system of particles.

  What is the momentum of a 2000+l. mstrv:dk, p,ixw)-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the )oiz)f-w;,ari0z ,d h zeb-t bparh;)magnitude of its moment-tb0a ii-hwef,a zz;,) zohbd r;rp) )um?

  A ball of mass 0.10 kg is dropped from a height of 12 m. h(hut5*y duu yx qpolyd6v. gb(/;*2d Its momentum when it strikes thl.*6y2/udo(p buqu5hthgx yvddy;( * e ground is

  Two identical 1500-kg cars are moving perpendicular to each other. O;wm; rw6yovx l/q r(1cne moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the t w/qwc;rxrom l6y1;( votal momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, strikes a n: oc5lab2 g4ql87fg ,fhiwb3wall and rebounds at 24 m/s. What is the change a qh3ig45b n2:,lfbgwfo 7 8clin the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struck * rqjt7l1w-fj b+(uk rxs 5lw*by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What i7 ul*1ltxsrqb* +f w-5rw(jkjs the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed f5ec-gi+e,,ek0s iylon a frozen pond. The msk 0eliy,- 5if e+ecg,achine 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 spacexda a ,2vjig*1-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he thr*ajgvd2iax, 1ows 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 large obs 5nr5 2 o;3/zwpl0chvpw3men ject at rest. The small object bounces straight back with a mnrm p;plw 2osv535hc3 0e z/nwomentum 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 yourm1kkq5su - 2ls friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move olk5s2u ks q1-mff together?

  A car of mass 1000 kg moves to the right along a level, straight road at a-y1 re 2ozqf1*skdtl u :.avz1 speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass :* a1zs1r-qezovt fu l.y1dk2200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of ao-) qyep;g w7f stopped car that has a mass of 1500 kg and they stick toget gof;qy-pe )w7her. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is al p: a7+xu9l,m9ju /(srmb y, 1alndme q0lm7uxlowed 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, initially at rest and with brakes released. What l:u+aes0m(/urp9,7judm yn lbqmlx9 ,1 m7axis the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls wit()pj*xbzah8dih0l/q (9a ptgh 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 lands in the car. How fast will the chlaaxb i/pg*qtz jd089) (hp(ar be moving after this happens?

  A 60-kg person walks on a 100.bp5qmqw; 2zx4g hvo;frd ts,1bg;i6-kg log at the rate of 0.80 m/s (with respect to the log). With whatghmv qfbr;,61.x dt;qbpg54 w2 oizs; speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force8p v 2nodd8a3u suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to the o2v38o ndu pda8bject?

  A constant 9.0-N net force act63s4gj)taa of b(luu ;)s vtn2s for 2.0 s on a 6.0-kg object. What is the object's change of veloaa4s3l u);fnt6jg s( bouv2t)city?

  A 2000-kg car, trave3q,nq ur si6-kling to the right at 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is the average force the car e rqku3q,-n6 sixerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ba4ffj 7/ 8smnqwll back along the same path, and at the same speed. If the bat was in contact with fq7nsf8 /j 4wmthe 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. The speeds of the ball right beffx b.h8 0g*0wmmetw6lore 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 avexm wgb0hm e8 0*l6f.wtrage force exerted on the ball by the table top?

  A machine gun, of mass 35.wt6k 7dmdf*9i )ddu)b9u ijm 00 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 roun*jk)7d9 )dbu ddt6iu09wm if mds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burningcjz (+eug)gb5 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, jc5(eg+ )bzgu assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg pbdr+dr)1 zvlv ) k38var3ht k/pn+)z her minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exp)bv r8d /av )tdkhrz+ 1kr3n+hvz3)lert on the ground?

  A toy rocket, of mass ph5jl (:b z4uu0.12 kg, achieves a velocity of 40 m/s after 3.0 s, when fired st pju54 h:lbz(uraight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initiau0sncj 5 3p+ 87xhbcijlly at rest in outer space. They pusnc+ bx5 ijuhs0 c83pj7h 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 eb m;fdh 2mentq4aw,m2z(z (e2n ,(br speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object moving to the z4nb2,tmn(2 aemd ;(bqfe2(m,ewhz rleft at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with cbvo5obk 4y(8a velocity of 0.20 m/s in the +x direction makes a head-on elasti84( 5koobb cvyc 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 block at rest. The bu1pm hm(z0(oknylk4 1allet emerges (the bullet does not get ek4101(azlkmp(mo nyh mbedded 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 (which c k u8p9csc*3ujonsists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will the a3kuc 8 sc9*jpulpha-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 station6 *srb( k)re-.vvgpl mary ball of mass 100 g. The collision is elastic. What is the speed of each ball immedi .k6lrem r gv*)spbv(-ately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s coll ):cqzyme9 p2vides head-on with a 200 g ball sitting at rest. The collision is perfectly elmq cv2 ye:)9pzastic.
(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 head-on with a bo/+ zhs.fnl 73.0 kg mass at rest. If the collision is perfectly inelastic, whaoh/.sbz7n +f lt 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 - : o9jxc:kdvahead-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much ki:-9dcjo kvx:a netic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parked station wagon, w:ng4pm wfspudl-x p44u,pj/ 2ho's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energyxmdu:gp /p4fslj-,44nu p p2 w is lost in this collision?

A 15-g bullet travelin einxf6zk-zm7 o,gxe:g572 dr g 213 m/s in a vertical direction buries itself in a 2.4-kg block of wood a rest direct-25,d:nex6z zoi er gf g7xm7kly 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 vv g y0sn** rq;cz/z,uat 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km,quzvg s*;/cz *ny0vr /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 traveliewh/q8.52zbjy fiu n w3fqx770foi 5g ng at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the direc gz5w73eo/i8qu 07b ifnxywh2.j5qfftion of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves e3fx/fjtp(ny o ye/hkw733n*q ast with a momentum of 24 kgm/s. Object B 3y/t3qk/ fn*yn3 7hoef jpxw(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 t7 .g:8 plqijw-nqy7xbhe North with a velocity of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment jn.p :qx87i 7byl w-qgmoving 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 x = +gmwo 6s8m o; 3i,-pzn yk/)oea 21.0 m. Where is the centerm,-n;az i o3o8 m /wgo)kep6sy of mass on the x-axis?

  The center of mass of a two-particle system is at the origin. One paru4 zg0 d o+f e3+qm:vzx)lua7lticle is locm4+vz7u0e+:fgal3 x )zoulqd ated 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?

  Three masses are positioned as f 1 .sbn/;fnlayollows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and .; nyl nfs/a1b4.0 kg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, aplqj ;yjm:3 c9nd 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respecm:pljjq9 3;c ytively. What is the location of the center of mass of the system?

  A 3.0-kg mass is posd wjm8qn5z9 psphgacn/ p 5r :1d/;lk*itioned at (0, 8.0), and a 1.0-kg mass is positioned at (12, 0). W1n;sjgq/pkrpa cm*/:d lwz5 d89 5pnhhat 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 of the CM of a whole leg including the fkn40i vj4 4 6wja-yk9yulzfs2oot when the leg44 zf4yj92ys0k -l nvjw uk6ia is stretched straight out. Assume the person is 1.60 m tall.