What is the SI unit 33k z tfdw6wy(v t3g/mof momentum?

  When a cannon fires a cannonball, t+c v( 1eirz1fnhe cannon will recoil backward because the

  A freight car moves along a frictionless level railroad track at constant spekdjb39i6 uc 0eed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens63ejdk9 bic0 u to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ico:1 bi-mwqr m v2k..od5 akul(+2m*llj3ejyw e. What happens to the velocity of th 2eq *i ow+jmb52mua v j y-:owlk..dr1lkm(3le sled?

  A rubber ball and a lump of putty have equal mass. They are thrk-omiwit1u/;2az,mw rn *m yjhs vx+)o g/ +j0own with equal speed against a wall. The ball bounces back v2kuo 1 i/s0hz;wm) on+*tjw mr+j gyx/ mi,-awith 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.4ndxt11nnjr 5 5p(ica How would you represent its kinetic energy in terms of these two quantities?15n i xrtnapnj1c4(d5

  If you pitch a baseball with twice the kinetic energy you gq- znf )*dkpyx8ny xd5(y-+uyave it in the previous pitch, the magnitude of its mome+nxfz *dqx -n5pd)yykuy(8y -ntum is

State Newton's second law in terms of momentuzv0x s(r8-obe0rjh : im.

State the law of conservation of mom- fvgzw 5 ,)qjfm-gdmu(9 u ys-gw1/ucentum.

  The area under the curvekfair/l2 vmae(8el 03ul lf(y :y;q0s on a Force versus time (F vs. t) graph represents

  Which of the following is an 5l(j10 mogmac i+ zak1accurate statement?

  A small car meshes w5kz s4uuy2 mr(ith a large truck in a head-on collision. Which of the following sta2 u krm5szuy4(tements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and thpp7k2mt) s:cqtl 4c)o t0vm5oe other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a higher posivq5 m )m oos2:tk7p4cttc lp)0tion. 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 ofuz- kz/l x4qt7 4 m/s, collides 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 ot /-l7qx4k uzzbject experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear mom f yz6fsv gw:43x,jw0ventum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-oc1/ 83 bmbhatwn with a 6.0-kg object moving to the left at 2.0 m/s. Whih b3t/m8wba1c ch statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg.iy0p ym, e6nn halfback runnn,yi60p .ym ening
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 t6xd8i6y9fj ek he following statements is true about kinetic enerfyi8e66 kdj9xgy?

  When is kinetic energyql m zi1m3.c6/ s:ye it3jv9ur conserved?

  In a game of pool, the white cue ball hits the #5 ball:n ; n0eihg./sahxh foj38h ix 90ltv: and stops, while the #5 bavhe o:h:.x/0 9 hl0nn;xs ahigt 38jifll moves 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 with unl4zp b.ahx o59 ,m.4kb9xfja heavy exercise ball at rest, the beach ba xf9nlpzomj. b 5h.4kx4bu,9all's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a headft:-vxdy a*9t ct-b(b -on collision with a stationary bowling balcxt( v* btb9fty-d :-al 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 speed of 5.0 m/s k;y-5 vp 4ilencollides head-on elastically with an identical ball a;pvnlie4-y 5 kt rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving wiyq.oi,oc bgqd7 z- 6*ath 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 sl o ,zgyb*6q iaq7ocd-.ows down. What is the speed of the light object after the collision?

  A very light object moving with s: tnz(zzin- 9jpeed v collides head-on with a very heavy object at rest, in jz( :9-znzinta 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 head-on with a yelloz111 zxy7 1q w7gjgmyow ball of equal mass movin1w 1gyzy 7omj17qz1gxg with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with ve2 oieot-sussnl-a9v6o9-y 3 xlocity v collides 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 v--ysna6u92ssolt ox- oi 93 eof the light object after the collision?

  In an inelastic collision, if the momentum is conservedeu+,cxi61x fg ,.uu(y)yqyvf , then which of the following statements is true iy u +f6e) .yxq(vu fgx,,1cuyabout kinetic energy?

  Two objects collide ano ,c)v1 mzzadt (tj+/fd stick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inell o3l4-yzoa a.astic collisiono l4y3 aoalz-. 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 obh7gl4yd ;n+ weject and sticks. Which object experiences the largered7 ngyl 4+;hw magnitude of momentum change?

  In a game of pool, the,)f :j4(c 6gvtihzp -uvli;h f white cue ball hits 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 opoht-qwb0vnh4t nf +c *q+;3and m. Which of the following statements is falsehc3pnt 0qvto-qwbno 4f+ *h; +?

  Which of the following is a false q, +ydidf2 ulo-5yk6jstatement?

  Tightrope walkers wa ni)gm.wv /+vmkskudts( jj2r1 4ui8,lk with a long flexible rod in order to

  A plane, flying horizontally, releases a hs*wm05v+i9zl ai e g,bomb, which explodes before hitting the05s9i*whlzeiv m+ g,a ground. 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 road. kr+7j-d/ h6l8uqo r:q tgcmw*The collision was completely inelastic and both cars quickly came to rest during wq+:6 -tql7r/ c h gmjuork8*dthe collision. What is true about the velocity of this system's center of mass?

State Newton's second law f1e8c e 0snaq,mor a system of particles.

  What is the momentum of a 2000-kg tr ( ntdoun)x +a-hl3y-3dq;v vhkils .-uck traveling at 35 m/s?

  A 1200-kg ferryboat is moving (b-g.mo ( ltbfsouth at 20 m/s. What is the magnitude of its momentum?m(b.gfb (ol-t

  A ball of mass 0.10 kg is dropped from7zo59lulh46ual i gz: a height of 12 m. Its momentum when it strikel7zl9g:6 uzou4ah li5s the ground is

  Two identical 1500-kg )sculq 0q e5rje,d 2*iw6( ljj/):jebcl(i p scars are moving perpendicular to each other. One moves with a speed of 25 m/sj5jeljwr/*eb6u:(qj) 2c(pds lsli, c)q0ie due 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,l a+4+arv5m-khi ac1nr8 3 wxc traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is vm ra1 cc a+rnx5-l+ hi4wk8a3the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is szqc v)c1w7 wug gkappl* i;;1,truck by a racket causing it to rebound in the opposite dire ;k,q1gg1cp;)*7 uivw lwa zpcction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed onc-gpasr*1-v.z ev a ;h a frozen pond. The zav p h-se-agr.1cv*;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-walkinsrvah 3xuxs . 5 bm.:h*+gv7lxg 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 s : v g+u*hsvlhs.m.5 ra73xbxxpace 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 approm c8h:wu2sh ey0kn3x 4aches head-on a large object at rest. The small object bounces straight back with a momentum of m xh03h:4kes2yuc8wm nagnitude 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 fr kv stfevy.1r(y/ 2e.jiend (40-kg mass), who is standing still, with ope. vekys1t/erj .2f(vyn arms. 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, z ofsm.:;ut;2ll efg qu3n+z: straight road at a speed of 6.0 m/s. It collides directly with a sto: fz:nu lo.ez;3fus tglq+; 2mpped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs intz9f1rf rgi :-ao the rear of a stopped car that has a mass of 1500 kg and :ri r9f agf1z-they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast z/mt;3g ykga ;q5m*wjalong 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 is the speed of the two ca3 a;;g5zm mtg qkw/yj*rs after coupling?

  A railroad car, of mass 200 kg, rolls with negligible f51xcw2dl(s --cbyfv i3 /oxyiriction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man driv s5 lc 2ywfdxoy-3b1c-i/x(ops 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 100-kg lodphkefak 72 ;4g at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect to the sho;dkef4p 7a kh2re?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly iahj(v pswz ::qi4hq b7(a .be2ncreases to 15 N and acts for one more second. What impulse was imparted by these forces to the ob jw.z(( 7bahabeis 2: qqhvp:4ject?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object.1dbvkce 2 dkr1h 9r8,g What is the object's change of velocity?dc1d9rg2 e1 ,8kb khrv

  A 2000-kg car, traveling to the right at 30 m/s, cok08ww ie: ,(k5gs92xhx xbx vxllides with a brick wall and comes to rest in 0.20 s. What 9s i2 g0,xxkkxhvwb wex: x58(is the average force the car exerts on the wall?

  A 2.0-kg softball is pit1gvtwomkv1 9b0 xv5l8+y eaw1ched to you at 20 m/s. You hit 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 the averagewoyv k8x11gl vvb09 +5weta1m force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the ball/bkl18a7v h n f9itzva1hf r5d.0u/t f 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 0.1fa b/k .v vf0hfirhtd85u nat/1197lz5 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 a muzzle3: :ta yta)ff1 ii0vto:(auitw28j rt velocity of 750 m/s, at the rate of 300 rounds per minute. Wh oy t 2fvii ta:1ua:(iftwt83)0tr:a jat is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building5 lg6lap6( + yxh8kvyb in order to knock the door down. This requires a force of 1000l(6h pa+b 86vkyg y5xl N. If the 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 horizontal drainpipe at the rate of 120 kg per minute. Itp+0ojr 9b. xlp falls 3.20 m to the ground. Assuming the water doesn't s+b09oxp. lp rjplash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achiev ;l,8 y2jygvfbr ) 7clgval3)bes a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust vlbbvg) ly23r78jf,cy )l ;ga force does the rocket engine exert?

  Two astronauts, of masses 60 kg f4*e5ttb pp fm:sd3l 3and 80 kg, are initially at rest in outer space. They push each other apart. What is their separation after the li5fslmppb ftd*3t4: 3eghter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed oktafa)hch pi3vj4 p7.4/t;sq .u6c jyf 2.0 m/s. It collides in a perfectly elas4 jqys3pacc/t.ui 7 a4 jp;t.hkv6fh) tic 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 a veloa tn)jxy;tx9/bb+gs 1 city of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15b g 9ns+j )1y;atxtxb/ 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 rr2o zxk:9e tnwq 1ls+4est. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the 9knzwt+qlxsr4o 1e 2: velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (whic 8g) l1uy2yzkuh consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic2u 1yuglz) yk8, 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 statio6:utlke /-hdc nary ball of mass 100 g. The collision is ela-dhu/lkt: c e6stic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east 1:rvol*e(pq s 2v.*mah u gx:wwith a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is peplovh :1*usa2q rew * (g.xv:mrfectly 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 hse q;62wgc cpo1;xs/sead-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the massese qxpc;og;s/1ss62 cw after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides head-on inh/d/aajbf+6 a3uf c(2k lbns; 5gg,gn a perfectly inelastic collision with ab c/2;g6 lhg nbf/3+ak5d(ga ufn ,sja stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strik2u2 xfiw.elk2es a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collexlwi 2u 22f.kision?

A 15-g bullet traveling 213 m/s in a vertical direction buries c (11no cxdz* :u3mn7le2nggkitself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves verticall* l zde2n 1gkn3m(xnc1c7guo:y 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 traveli2qam ltjnf:33ng at 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.:23tjf3a q mln (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 3000-9-bg uw/oq bfp-6n d2kkg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7/w9pq-b d-u26nfobk g-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level fricto4mt: zw bvp6*s2 vb6( r4ddwgionless surface. Object A moves 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 the magnitude of their combined momentum after the collision pg m*ds4d6w62t4bo(rb zw:vv?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of 4,.p k3ii.be mh.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 spek. h mb3i,.ieped 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 = + 21.0 m. Whn8ew j 66ecuo3-2jr .kkpid*0ljkuz,ere is the center of mass on the xdkr.w n jk 3ouej0p6z ,kj-6c2 *ueli8-axis?

  The center of mass of a two-particle system is at the origin. Ot(zbno ykb ty 71774stne particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location ofksy t717o7zbyn t( tb4 the second mass of 3.0 kg?

  Three masses are positioned as fola ktu sbdc(*v+w o1-2vlows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg ats*o k cbvvadw(+21 tu- (2.0, 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/r mw kub-c;vy+a;p 7n, 0), (1.0 m, 1.0 m), and (2m7c-va; wry/n+p; ubk .0 m, -2.0 m), respectively. 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 posfpz(xam7di:sbbe8a/d5 cw +j 6oq2 3fitioned at (12, 0). What are the coordinates of a 4.0-kg masw5f2:fj7 eci a+z/sbb6o(x q8d3a pdms 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 inc40yicl q2 )izyluding the foot when tc0 2)qiyyl4z ihe leg is stretched straight out. Assume the person is 1.60 m tall.