What is the SI unit of momentd 5oy ol6mu30u j- 67mmvu5(vx;nu xmdum?

  When a cannon fires a cannon8n+czd .9fobea6vdp; m oqtv;3 zbt1;ball, the cannon will recoil backward because the

  A freight car moves along a fric:n1lvvxp,e; r tionless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What hnx ,ver;plv1 :appens to the velocity of the car?

  A child falls sideways ofd(28g q+rog8px y z ++wvzmcjcnh /;v)f a sled while sledding on frictionless ice. What happens to the ve+zcvj8gq8 rcho nx;mvpw+y) +/z( 2g dlocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown w0 eo*jmi8:+4w rey9f1po k hrbith equal speed against a wall. bkfywh r4m+ji0oe:o r1 8e9p* 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 is moving with a w9s-u7at nd1kv*) svimomentum p. How would you represent its kinetic enewn7sd vsku-19* t)avi rgy in terms of these two quantities?

  If you pitch a baseball with twice th fu*6eho::+ekipxlee/q5 jn.e kinetic energy you gave it in the previous pitch, the magnitude of its momentum ihnu6pqxo:5 e j.eik+e* :lf/es

State Newton's second law in termszeglo* d;dair w xpg2 yo)5; 5-0ih.vb of momentum.

State the law of conservation on1g o16ixks+: ke mm8 dchm0e8f momentum.

  The area under the curve on a Force versus time (F5m(ot;8r+66mzmhtomlk v;s l vs. t) graph represents

  Which of the following is jl4h pv /o 39wnx5nwqx(q84-in i9o exan accurate statement?

  A small car meshes with a large truck inor .10-vnx*sgqpc v 7w a head-on collision. Which of the following statements concerning the magnitude of the average col* xr 0vo1n.s7v-qcg pwlision force is correct?

  Two equal mass balls (one red and the e1*0 xolko,ndother blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which b*o xolk0e1d ,nall 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, collides with a stationary immk 4)zfauzas0j799bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse f)j zz4asm9k0a9u m i7during the collision?

  Two objects collide and d./gp7 g s ;,u4z aes5xjmvgj+bounce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-oz4w(c8gb.. giy 9icrehic2 e9bc33g un with a 6.0-kg object moving to the left at 2.0 m/s. Which statement is cor(2zywge u.cc .eb r 4c93 g8i9hi3icgbrect?

  A 100-kg football linebacker moving a+t0 u3*(denf sme9j ab;6ndght 2.0 m/s tackles head-on an 80-kg halfback ru3n0ba6dusgm (+f9e*h ; jendt nning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the mom11j- 5h l:hsckdx9 exventum is conserved, then which of the following stateeh dx91h:l5jsk cvx1 -ments is true about kinetic energy?

  When is kinetic energy conserv88rz3s;l bwmcdvm16 y ed?

  In a game of pool, the white c79m;wrak+zjdat g0 huuhd 96 7ue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as thea k;mad0 j97hrthuz +67dw9ug cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides witg)fya:ox o,b*:+j rx 5k mnf1mh a heavy exercise ball at rest, the be*g+fbn)xo mya:,o5 k j:fm 1xrach ball's speed after the collision will be, approximately,

  A golf ball traveling l/qq :z ci5u eafp*j3t6h xbqta29+ 9a3.0 m/s to the right collides in a head-on collision with a stationa 2fqx3ta9l6btu i /*cp5+ez qjhaq:9ary 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 speed of 5.0 m/s collides head-on elasticallyq o)blc5cu 3c381mwy7 t9xpu ya v*t7x with an identical ball at rest. What is the spee3quc*8owt17 xcbu39c 5t) ympl xv7ayd of the initially stopped ball after the collision?

  A very heavy object moving with speed v collidek53jepr 8 tey ad;)rm6s 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 after the 83 d t ;rp6aemkyrje5)collision?

  A very light object moving with speed v collides head-on nvk:p 0sn5tbe8 0 :kpuwith a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy oek0bp58: nnus:t kv p0bject after the collision is

  A red ball with a velocity of +3.0 m/s collides h1igl5g;y im :pead-on with a yellow ball of equal mass moving with a veloci;plyg5i: ig1 mty of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity(et*) g+kxx nb-3qrl7fdd ) gj v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The hea x- )rg) 3lde (ngkqtb*xjd+7fvy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentbgh9++ys5+ f0q d+pv( uuezflq 3a mbckj- g0-um is conserved, then which of the following statements is true about kinetic energy?0 5-qfg++vmalg+yu9zhs jbf bkqeud-(+p0c 3

  Two objects collide and stick.c43t g hk1n)iaxj* xe dz0b/;ru x2f/;byiyt together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inpi 0b- mas yg2e)prt82a6u9alelastic colis rylt2gpe)b69p80a aua- 2mlision 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 object and sticks. Which object o zoxw0ta*mjg( cq3t)+*fx, yexperiences (zy*,*f 0m oo wj3caxgxqt)t +the larger magnitude of momentum change?

  In a game of pool, the whitexuswcu t 3gx 1-2+lfr*9vz 2ey 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 and m. Whiv, 4yh f0udm1ich of the following statements is falshf4,i udm1 yv0e?

  Which of the following is a false statexf.:qwyxmh 7i;rwv / j4mv.3rment?

  Tightrope walkers walk with a long flexible rod *12 q -vvl7oakox(wfuin order to

  A plane, flying horizontally, releases a bomb, which explodv i5e 0pi0r(wgaf5 dk:es before hitting the ground. Neglecting air resistance, the c5r:p (a5ik e0dv0 iwfgenter of mass of the bomb fragments, just after the explosion

  Two cars collide head- h je8v1d .lu-1uk5osg-khfk3b3p;pron on a level friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this system's center of du8us;1hjp kfb1-3ho.p53rlv-ke g kmass?

State Newton's second law vz .3bv0qtl0x for a system of particles.

  What is the momentum of a 2000-kg truck traveling/e3ma btwo2f- at 35 m/s?

  A 1200-kg ferryboat is moving lrzti z 6n:+nlq fn*1*)mea v8south at 20 m/s. What is the magnitude of its momentumlm q)6*i1zavrf8 nze: nt+l* n?

  A ball of mass 0.10 kg irput /:b8c7rccrrqq *,vdz 0q2w2ux 2s dropped from a height of 12 m. Its momentum when it strikes the7r rz *qcw2xrcc,:/p2rqq tudbv 82u0 ground is

  Two identical 1500-kg cars are moving perpendicular to each other. One movo--mz/aeeh+ kes with a speed of 25 m/s due north and the other moves at-aok me+zhe- / 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizonf,jyjrrs i*10xj pf; +ha)g( ztally at 30 m/s, strikes a wall and rebounds at 24 m/s. What irxgyp1)+j j ,*z (hsrajf0f;is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially g x;; sk847 zp8rublxtmoving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18p g 7;z88rlut;kb 4xxs m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen k- ydk(fnqv-(z.gx-o , hai :wpond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What i( yazxgvwh(.,-ko qf-ki d:- ns the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space ca ertsjv z2xd/1k:z;*g*xn(v spsule and is 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 the asvvt*e xzdz1j 2 r*sxn(;:g ks/tronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s appr lq5.yfs7mwn/oaches head-on a large object at rest. The smafn7q mlwsy ./5ll object bounces 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 massawxyy phh5. 31), who is standing still, with open arms. As you collide, while holding each other, with whatx hap w351.hyy speed do you both move off together?

  A car of mass 1000 kg moves to the right along a levdb .fn.w .v1zdel, straight road at a speed of 6.0 m/s. It collides directly with a stovdzdwn 1fb... pped 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 car td4f5yngfr: n 3hat has a mass of 1500 kg and they sti nfd:453r yfgnck together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a levfn dma8om 1, 8vx2q3b e5kntt,el 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 carsx me28 ,3t abn,tvq5k1o m8fdn after coupling?

  A railroad car, of mass 200 kg, rolls with negligible frict bd+qdg-+v4f iion on a horizontal track with a sp-dvf g4i db+q+eed 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 car be moving after this happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s a c(mta nwr- /o9 ww+elc-7br-(with respect to the log). With what speed drlt 9a7w-wnerw cc/a + bm-(o-oes the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly increas vo1th.g y(.uaes to 15 N and acts for one more second. What impulse was imparted by these forct h(ygv.u1.ao es to the object?

  A constant 9.0-N net force acts for 2.0 s oyc//m 4r.stfalf. h 5iv0v rs:n a 6.0-kg object. What is the object's change of vvt0h fs ./il/ vrsy:cr.54ma felocity?

  A 2000-kg car, traveling to x vr)8/ k3m0/xkwj:btz jhxy(the right at 30 m/s, collides with a brick wall and comes to rest in 0.2vj/3r)8xt x(jh w0xzmbk yk :/0 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along the ( zl-+m 4igsl/g gm*s o6v/u;s4efxai4su/i 4*a 6ls/e (m-v;om+gfsgzigxlsame 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 top. The speedyc6et4(: kp w-p0sgaxs 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 exerted on the ball by the table tkat cy6-e4:s (p0gpwxop?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle *0 oq.bd ychof 8+jwd9kqba8riv 3j );t)2yas velocity of 750 m/s, at the rate of 300 rounds pef;isqd8krt w b ao8.32)dyj+0 qc9b oy)jhav*r minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burnila/cb7 vhuata,k9s )+ ng 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 water doesn't, a7c9 u/ tahbaslv)+k bounce back?

  Water runs out of a horizontal draioua;,lhup9x3 8msir1npipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force3a9u xo8hlm;1iurps , does it exert on the ground?

  A toy rocket, of maso 3uy9t8omyx r9:. rbhzc86pzs 0.12 kg, achieves a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket y8rpzr8.ox39umb6:o9zc tyh engine exert?

  Two astronauts, of masses 60 kg 0w ;ibr(pd.x,d.kfyb and 80 kg, are initially at rest in outer space. They push each other apart. What is their separation after the lighter astron d;i 0r(.b .kpf,byxdwaut has moved 12 m?

  A 3.0-kg object moves to the right wilxb-5ixug+9 q th a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-k xqgbxi5u l9-+g 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 velocity of 0.20 m/s in the +x directionicv 9on mgs0y bu2*;)q makes 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 after cmnio9 * )0q;v2 guybscollision?

  A 10.0-g bullet moving at 300 m/s +np*fzqge3bviy(3 c4 is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with hane fz3vi pyqcg* +43b(lf 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 anq0o d)swg0j -n 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 tq0wj dnsg)- o0he collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball of mass 1pig: se9b5 ef oemdis f8.re8*7by7,g 00 g. The collision is elastic. W*8e, em 89:7pb fgbe o7sfsyg5de ri.ihat is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the easr p-* /r3/yhi(mcd ggjt with a speed of 3.70 m/s collides head-on with a 200 g ball sitting ag dig/-/ycmrrj3 h(* pt 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 sp 1szqc--u4 gl xg8ok(reed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collisio1 (g8qlgrkcus--xo 4z n is perfectly 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/snu:84f7zjc9 1xmd b zoywi- o1 collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during t: 71uy- d4bz1jomi8nc o 9xfzwhis collision?

  A car of mass m, traveling with a velocity v, strikes a pa )c2e*k276wqq siuz5xtrlub(rked station wagon, who's mass is 2m. The bumpers lock together in this head-on tq6uu2x7q wl*2z ec5ksbi) ( rinelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/,9 ;)yxyt -ihxf xm(wes in a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result,me9 )yxi-(txx why,f; 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 3000eb 4;i3o ..o vyxgbn;z-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. ogy ;x4n; v .e3bi.boz7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides wit 5)*fswtkz cko *3kt/th 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 direction of mo5tw t fkktk c3*o*z)s/tion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves east with a gls gn8t9t2; 5 xdm.7/u;y dudztt c75wvr(zsmomentum of 24 kgm/s. Objds; 7n.;rtv 9d u5 gcz2y /7tw8(sgldtuzxm5tect 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 towarpi0pf b6xgzp4.+y6tf9aa ht-d 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 6.-tb0a fp+y6t9 a x gphfpz4ifragment? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and 60uqkg2 cjpz t :i:ai0md 53sua 10.0-kg mass sits at x = + 21.0 m. Where is the center of mas0dg5 u2ckum 60piajz i:3 qt:ss on the x-axis?

  The center of mass of a two-particle system is at the origin. Os*+kqjip6(c tlw3:h dne particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the locpi+tc d63(lswkh: qj*ation of the second mass of 3.0 kg?

  Three masses are positiones. rw8eqqf );bd as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determineq8ers b).wq; f the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 1uoe/ i5g3m lx3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m3oi g/e1ux5l 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 positioned at (124rz/ l;:ogi dg, 0). What are the coordinates of a 4.0-kg mass which will result olr/gg 4:iz;d 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 9t 882c o,u*.bstdlvjgk6 iczthe foot when the leg is stretched straight out. Assume the ,8vt2i8k6lzco d*ut9b s.j gc person is 1.60 m tall.