What is the SI unit of momentumnu3rcg z6f3me5lfy - 14vu*zm?

  When a cannon fires a cannonball, the cannon will r tr2ot:bhm30/d- iqdjm 1uv-rnx bx6 9ecoil backward because the

  A freight car moves along a frictiomktf,tcp7hdw; + . (xhwy( p;cnless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What ha,cydwx h7( phfmt; c (+k;t.wpppens to the velocity of the car?

  A child falls sideways oxs/3mcz)4ejy-3bf olido13 tff a sled while sledding on frictionless ice. What happens to theoy s im/zd1x33e4l-o3c)tbf j velocity of the sled?

  A rubber ball and a lump of putty have equal 3ftd*rfh/ uz cb;g xm:;z9rp )mass. They are thrown with equal speed against a wall. The b f)b*m3:;htzxprd9z;ug/ f crall 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 i k.uaqcz9s3a 8wc7,v p9t (rswith a momentum p. How would you represent its kinetic energy in tkaz9vw9,8 7 a rts3.csuqi (pcerms of these two quantities?

  If you pitch a baseball with twice the kinetic enerhn 9w4 6;4 tey)fusxh;z3llkqgy you gave it in the previous pitc hes64qu;3yl4lhf9nkzxwt;)h, the magnitude of its momentum is

State Newton's second law s3o, 0-6tb zvuo adir,in terms of momentum.

State the law of conservation of mom6w*of an sd,d) aoe:o r(9mnb7entum.

  The area under the curve on a Force versus 3z m fizus nfqed;sij ox/+5f6+ wk*1.time (F vs. t) graph represents

  Which of the following is alzhs3p(5r2t sjj 4pk8+lz hg .n accurate statement?

  A small car meshes with a dnp u1su(9ukjz ( y;8ylarge truck in a head-on collision. Which of the following statements conce1y9 n(uu8pud j skz(;yrning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the othe7naqq, 8.v nm,hck y,gr blue) are dropped from the same height, and rebound off the floor. The red ball rebounds n, k hc, .mq8avqn7,ygto 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 v+/*a(e fdax qof 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 tdvf+/q* a a(xehe east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Lineay+8w* etoo ;g6 ai)fzqr momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collide l m ns:qxx(.vfl:4gmm-6;zdqs head-on with a 6.0-kg object moving to the left at mxm zqqg.:v:f-( dlnl;s4m 6x2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/0czteo0) r hu57y )vws 8()9wlk nvqza5q,rd us tackles head-on an 80-kg halfback 7 n )hv e8) o9d)0azkv(, qswzyw5ruct05 qulrrunning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentu ps g.waskm.z(6j26gdm is conserved, then which of the following statements is tr s6s26. pw zkgjam.dg(ue about kinetic energy?

  When is kinetic energy conxub 1l:iu,3aa8 -mzant mnm)2dym9e *served?

  In a game of pool, the whi fat)wjs68i9q.6 uwgp te cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had oijf.u9w86 ) pawq6 sgtriginally. The type of collision is

  When a light beach ball rolling with a speed ofxu;b1 b3 -rtp.p)hmt:bw5gac3z-u dx 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision will be, approximatelyp 1m5)urc.:33xtpabx wdbght; --uz b ,

  A golf ball traveling 3.0 m/s to thjpdq-).c y.+ucdv- mqe right collides 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 the go-. d cj-u)cdp. ymqvq+lf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on el 1 jlfj,xdi:uf;o3zv/astically with an identical ball at rest. What is the speed of the ij;f u,lvi3zx: /fd1ojnitially stopped ball after the collision?

  A very heavy object movingg2- ez -vicqq w+sx0t, with speed v collides head-on with a very light object at rest. The collision is elastic, and there is n+is- 0z e2-cgqqx,vwto friction. 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 collie w;vyvw-,zz57mz9n: wr *glgpl2ij2 des head-on with a very heavy object at rest, in a frictionless environment. The collision z2 7mz2j ly wrvn-pl, *g5:;wi9gv ezwis 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 yel/xf n ,d1qqse7low ball of equal mass moving with a velocity of -2.0 m/s. What is the vne qs qf,7/1xdelocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a veo. bvn:fh m h)9,gw0kwry light object moving with velocity -v. The collision is elastic, a:k gbhv)w9 m0nh,o fw.nd there is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the moment52bkrnf6l lds y0x3-z9 tnfg2um is conserved, then which of the following statements is true about kinetic ener32 fnz6y5-f nld2bk 9sl0 trgxgy?

  Two objects collide and stick together. Kinetic energldv;edsi/nka.,zn 2. y

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectz+fjw5dap jy-cffa 05.,e* / jy*ybpxly inelastic collis.y*e-ybpfa0fpa zf d jy,x /5 +cj5jw*ion 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. miduwj6 j1u*z a o)l:3hseb:(rea5,i8 xq oj)Which object experiences the larger mz 5u 8*oj w aq)iu,3)boe(iaje: rmhsxj16d:lagnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 balh36(3wyaf3ufts 4 fwdl 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. Which of the following statements is fh:vx;meu at2 )gbo94halsev h :eh 2;otg)u4x9amb?

  Which of the following is a farjq watg(0 g a1/.c8cxlse statement?

  Tightrope walkers walk with a long flexible rod in 9 s72v4fvatjt order to

  A plane, flying horizontally, releases a bomb, which explodes before hittitc xh1w;o 7xy/ng the ground. Neglecting air resistance, th7t ox;wc /hx1ye center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level fridha u(l:ojaz,xu )) d2ction-free road. The collision was completely ineualhj a 2o:dx ud()),zlastic 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 w co6 rzvm 29apaw p+k2/mll3/law for a system of particles.

  What is the momentum of a 2000-kdyn9v,c5ne23 6cz xwqnkf 1 *gg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What * l sq+iywxdv7q r4. +wpy30eqis the magnitude of its momentumxp* ew3ys 4v.+ d iqwyqlr07+q?

  A ball of mass 0.10 kg is dropp/ew;u6cdmp qcj*(t7qed from a height of 12 m. Its momentum when it strikes 7 q c;u6d(mqjwec *t/pthe ground is

  Two identical 1500-kg cars are moving perpendicular to each other. Onjs.db+evc *c )ufmezd. vfn.-y:.l y) e moves with a y+fc):l dvf sze..dn c-)e*y. vm.jbuspeed of 25 m/s due north and the other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10v faao 5cw4q,t10joj- u/ id9o kg, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the 1oj59/ cio vq04uatw,jao-d fchange in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is *07pv i 8m4l o8ki:/pbq z7ym uke/tpwstruck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What is the change in mom0oz7vlipq*w7 p b8mei4/ u/t8 :kkmpyentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pow 8f4he)es m9k58zu ignd. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What iss8emuf wgz)5i4k h8e 9 the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outsq*2kloh 6 6qgbide 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 at a speed of 14 m/s away from the capsule. At what speed doe l6kh qqb2o6*gs the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large object at restlnjyp:ujx1 6nox v1 /0. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of n1 v1:/ nxojx6lyup 0jthe large object's momentum change?

  You (50-kg mass) skate on icct)a4*ps (blrm i)v/u e at 4.0 m/s to greet your friend (40-kg mass), who is stv i*/bru)tpclms4) a (anding still, with open 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 alon.ngdhe;xnbt2,nqr1sy 04. d1i v r(qnwb:lo3g a level, straight road at a speed of 6.0 m/s. It collides directly with a stdxq4 r3.tn1wobih. ;2gd1vn q ls(ennry0 ,:bopped 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 ofj8fak xu/hz wnio;;:53tq oo5da m7t 4 a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the ca4f 8d o ;n/:7qm5aohjxw 3ui t5;ztoakrs after the collision?

  A railroad freight car, mass 15,000 kg, is ; -m 6ntzqiog*allowed 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 releaseoq*z -ni g6;tmd. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible fric;3 g1a5 dw3cs fczyqoq3+yw 8wtion 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. Howd+yfq 3oqa;w13y3zc wws5g c 8 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/smj a/uw ;w)wp7 (with respect to the log). With what speed does the log move,;m pa/ww)wju 7 with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly increases 5pebwmu *-qkp48ipyx1da q- 6 to 15 N and acts for dp*mi5p-y beq4kuwa 8 x6pq-1 one more second. What impulse 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 is t9m di s +rw(z.ad5tmm6he object's change of veloci+dmmiwtazsr95(6m d .ty?

  A 2000-kg car, traveling to the rigpls0 nn strzr:wc9cg w, e8d 61lv(,a)ht at 30 m/s, collides with a brick wall and comes to restca 0w)rell91zd vn wgs(rp,8:n,6stc in 0.20 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 a +*a a-jyb9afqw q5l-v-b3 pkwlong the same path, and at the same speed. If th lqyqkw bajfp-3 5v--a*9ba+we 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 p/iwb 6+d-p4l, :t pmcb n;0n1k(iup+nxy xjwa table top. 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 exerted on the ba 6 ukp:nix;/x m b+jw pbdi cl1pn4+0ntpy(,w-ll by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity ;xp.o+gzwtmk s 3c8+d mzwg; 8 s3+p+d.ktcxoof 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 burninvc.woiq1 7crus8ixacb +4i - -g 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+ b1 u.q4xic 8-oiwi-r vs7acc of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the xt o/czlm s* .w7u3n-;hwl(ezrate of 120 kg per minute. It falls 3.20 m to the ground. Assumingmcuo7ntl*- ;z/(sze3l .hxw w the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocitz qveo*d.dw:8y of 40 m/s after 3.0 s, when fired straight up. What average thrust force dqo:.ed *wv8d zoes the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initiallbi2w l:v-xz 1fd4bij/4ck r ic+7x6uqts1-mv y at rest in outer space. They push each other 16/v:c2su 4-l q bkci+71v 4ji-xmib twfrdzxapart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. It collides in a aiki6rjqf72+b o+ *hzperfectly elastic collision with a 6.0-kg object moving to the lea7+jr 6 b* h+ii2okfzqft 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 direction makes a hev+ a )k3c6hv5l7oprndad-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the+d3v)khn76 c o5av rpl 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/ qex(7n/:bq- x/jwgj os is fired into a 1.00-kg block at rest. The bullet emerges /-gj :n 7jb(wqxoeqx/(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 collision?

  A proton, of mass m, at rest, is struck head-on by an3k m )gz9:tc*fu2ovu a/ddzk, alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is comple t*dk u:,dk2o)9vugzc/mfa z3tely 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 hea/3k w4 a-fyvyeo*ph 3 zgbk+p4d-on with a stationary ball of mass 100 g. The collision is elastic. W3vbke4y 4a wf-pz+ *ok/3hpyghat is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s bnm7p- s qgva28g94 p o(*qmzy-7ltwocollides head-on with a 200 g ball sitting at rest. The collisiona9o-p g molbq(gtym8- w7 47*psvqnz2 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 collid/2ot czv)6 jrr+e -gkies head-on with a 3.0 kg mass at rest. If the collision is perfectlykv- jcro)zti/26+gre 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+qj1v o(j k5eu m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lose+v j5(1koqu jt during this collision?

  A car of mass m, traveling with a velocity e 2wuyk( yg)o1v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinet)21eyo g(wk yuic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction a/3mznt 5nq5wburies itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combinationamt5z/n35 q nw 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 collide qdsi if7gu u*/k0,yts:dj) n(s with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (S:/kifu*ju)stdns y70 i (d,qgee Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east colrx 85p.wz dps7lides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collisi8wzpd .5p r7sxon. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionlesayra 5kczx/// yq2r g*s surface. Object A moves east with a momentum of 24 kgm/s. Object Bk 2ag/xza5/cyyr q/*r 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 the North withxt unskm9+ 9kkq/t n9( 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 fk t+9nsn(9kmtx q k/9uragment 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 :z6qgecy +-fy the origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass on th ge+c6:yqfyz-e x-axis?

  The center of mass of a two-partpcgd1 ekz0 vg *vw1,lzvvl8* 9icle 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 loc9 * vpv, w0d1 8lcvgl*zvzkeg1ation of the second mass of 3.0 kg?

  Three masses are positgml0t2 u* ybo+ioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the center of yl0*tgb +2 uommass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 i;e4u+d6p m+bzh6 ihdm, 1.0 m), and (2.0 m, -2.0 m), respectively. hpb d4u+z6;d6mh+eii What is the location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, fz nfeos))*1 q8.0), and a 1.0-kg mass is positioned at (12, 0).e *zon q1f)s)f 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 origin, (0, 0)?

  Use Table 7-1 to calculate a5mpx0y7- b8ztr-pce1.bfhin 0f rx- the position of the CM of a whole leg including the foot whemxy-nb-rf0h70pti8 arcebzx f p -.15n the leg is stretched straight out. Assume the person is 1.60 m tall.