What is the SI unit of momentumtw6 *lp*in7r kv kks -o, d,0qqx-o7ka?

  When a cannon fires a cannon,q7 h xi5tl:gx l/ bn3aun fn1r0d)/ubball, the cannon will recoil backward because the

  A freight car moves along a frictionless level raib/r 9em0uqj chbr7x1+ lroad track at constant speed. The car is open on top. A large load 0hc+/e7 9rj1m qburxbof coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while s7c2bgeagw *dklq k;6 rsd3:5u)yb1v yledding on frictionless ice. What happens:q1 kev3 s k7bdbr glgau2dy; 5*cy6w) to the velocity of the sled?

  A rubber ball and a lump of putty have equ*tnbu08) la o5u ibd)a,a epd9al mass. They are thrown with equal speedaai0)upb8n a 5 tdlod)9,ube* against a wall. 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 ay 1v1i0vx;jv(ip5+ i 8zezj he;hhht/ momentum p. How would you represent its kinetic energy in terms of these two quantities/jvpvhh51ih (v81e xz;hijt 0ye+;iz?

  If you pitch a baseball with twice the kinetic energy you gave it in thjq6 hu:/d. d g-z hb/nkacw5s7e previous pitch, the magnitude of its momcs-6n ./baq:5hkwuddz /7gh jentum is

State Newton's second law ina mr4g4s b7)/v*fb6wt 4qpppa terms of momentum.

State the law of conservation j/-k m; ghdiw4of momentum.

  The area under the curve on a For k7/bs*hq 0vmtce versus time (F vs. t) graph represents

  Which of the following is an accurate srek;k02 +mkmh pz56ottatement?

  A small car meshes with a large truck in a head-on col9/j-axqfwrr4a v5uq6lision. Which of the following stateme 9rufqv4arj-5qxwa /6nts concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) r am 5- bosg9b5)a)lgiare dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is sub) 559gisg)lb-mraboa jected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a spympze3vr dh9- o:b k)i4q 1rd+eed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bouncevmrzk3p -ib+)1hod49:q ed yr s back to 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 ofsi6h5 m.,jzb2 7vtu xff each other. Linear momentum

  A 3.0-kg object moves to the right at 49w.vf 5wjc 1ud.0 m/s. It collides head-on with a 6.0-kg object moving to the lefuw9f 5. wv1cjdt 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-kg0k 8y;9bmm zdod+cc*4 5xyp wuziua(0 halfback runnicdu9o 4+xyi8uk yp0b0cmz5dm(w z;a * ng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if thd9bx 9hy9 tib6mcx0-pe momentum is conserved, then which of the following statements is true about kinetic e9micyp69 -thx0bbx 9dnergy?

  When is kinetic energy cons2 fh3y.bgc9or erved?

  In a game of pool, the white cue ball hits the #5 ball and stoadj i )hcfj892ps, while the #5 ball moves away with the same velocity as the cue ball had originally. The cfj82) hiad9jtype of collision is

  When a light beach ball rolling with +5r1h mhzcxu v 4qv5z4a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball'u1+v5hzhmq5 xz4 4crvs speed after the collision will be, approximately,

  A golf ball traveling 3.0 :qzihqsa1 m-rfcn,j:d a v7 847jie 8hm/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. Ifj s7h aq4:,i1j8d -mr8ve:cnh7i qzaf 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 col g zhb5h.zv7(wlides head-on elastically with an identical bal (7wh5v hg.zbzl at rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving wtiisf3;vppi7 0,1 x-yraos* s ith speed v collides head-on with a very light object at rest. xi ; r,-*stv37a1 i poy0fissp 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 collision?

  A very light object m x/q;et.e1a1enl4c zcoving with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision iz t.n/ec ;eq4exlc1a1 s almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a veloc;r 8nnyh4it li: pa2f.kt4c*fity of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocic;n2* 4k4fia8f.h rl :pyt nitty of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a very light obp.it)h+4 q yols i9*76wsggw l)crb )bject moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light objgo)ti6g.sl c 4*)+hp)wbbl 7qr yw9isect after the collision?

  In an inelastic collision, if the momenc z8p+vn5(c8z- ig xd w:ev*ektum is conserved, then which of the following statem-zv c8ngkp5i*( xwz dee: +8cvents is true about kinetic energy?

  Two objects collide and stick together. Kr8 6gyck ;dvz3 ktj1s k3zv,e)inetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It t w63,z1m p/zjxegyu-+mj4 fy collides in a perfectly inelastic colli u6je m3fytx,p+zg jw/m-zy1 4sion 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. ;3(v4c gkq rz3(hk9khbo,ey*lza( yg Which object experiences(k4z kgykg oah yvh3qcre *3; z,b(9(l the larger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is deflected at a -i ;f;byksobtx9e p5-$35^{\circ}$ 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 k e;vqahy-,v 2x/c z98a+hyzs of the following statements is falsx; a zvvaq/hy he-k,yc2z8s9+e?

  Which of the following is a false stateln;3f8xge)h e yex(a4ment?

  Tightrope walkers walk with a long flexible rod in order t:j7yw w dx clem8od(hn s085a4o

  A plane, flying horizontally, releases a bomb, which ;7ar)(cj ell qexplodes before hitting the grou(7cll;q ra ej)nd. 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. Tre kfnv--zlb u0 t6j)+he collision was completely inelastic and both cars quickly came to rest during the collision. What is )+k t-nb0ljz6e- urvftrue about the velocity of this system's center of mass?

State Newton's secondw:o/* 5b+wpi- all qvdow mh35 law for a system of particles.

  What is the momentum of a x+u/;uip)psl hsq 1 ,nx)web, 2000-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the mag /8)1pvbzus5py p;rgc nitude of its momp5)zu vsg cbpy81p;r/entum?

  A ball of mass 0.10 kg is dropped from a height of/t/nv 1l*chmi01drx;c 6fc o bb58wvr 12 m. Its momentum when it strikes t rmr d8ocxih*6w5vf/01c bnb;1vlc /the ground is

  Two identical 1500-kg cars are moving perpendicular to each other. One mo.a0ca -afiysw8 y7z 8rves with a speed of 25 m/s r.f8y7 wia8cay-az 0sdue 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, traveling horizontally at 30 m/s, strik7f0t3dx.xwbnretu : + es a wall and rebounds at 24 m/s. What is the change t30.uwd f: et7x x+rbnin the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struck by 9nb/zrabiv- t2f/f .yag+4za nxsq.7 a racket causing it to rebound in the opposite direction at abzia.bfr qn// t.a2+af-s y7x4 9z vng speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (ebn9 n,6df-1 cs- 3opmlu a6jtmxcluding the baseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the reotp-lu,639c s1 fbjn 6md am-ncoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsulec e+tx3odr7)yu v55tu and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-k5v o3cru)t7 5t+dyu xeg 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 largecngm bq2c5 4b .9/zei0 rqw; av,xm)hr object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of 9 anzr/vwbb)gc0 iq 5cr4mh x;2mqe,.the large object's momentum change?

  You (50-kg mass) skate on ixkl/ .c hd0:ozce at 4.0 m/s to greet your 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 off .d/zh 0cxlok: together?

  A car of mass 1000 kg moves to the right along a level, straight roajp ge* :+poh i)sml;c uj6-.htd at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the ch.o:tc i;ug mspj- p)l*j+eh6ollision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a; j48cyqkjp od4u;w;g/ 7hbub stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars a44 bdg7jk;o ;wyh pub 8;c/qujfter the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast i px id(bvc9+hgj*q/3 along a level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg*pi(c hgb xdq+ 3j/9iv 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 fwtpye0n/73 9tr i(l)ag1ter kg, rolls with 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 car be moving after this ni3p 0e wfr /tlgt)(a9 yet17rhappens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s + volp-m-xnz 7(with respect to the lom+vpo-z7x-ln g). With what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s68c3c x0krp+bsyh0f0bz :pj;y nqvf ( on an object. The force suddenly increases to 15 N and acts for one more second. What impulse was imparc0v6p0+j yf0 f rsxy(zh3;p 8 bbqn:ckted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0 c)lj 5tph;nc*-kg object. What is the object's change of*) htlc ;j5cpn velocity?

  A 2000-kg car, travelintefn9s gm(30 b nwfwy:px2m, o6 fm.,gg 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 thfnbom :mgftey6290fng ,. swp w(mx3, e car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along xf9h)q)ik kc+tqzr9kw*g *4ethe same path, and at the same speed. * gix4 c)qk9 w rqkz)*fte+h9kIf 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 mt9lgoz3*aaw q)t,w-a 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) laawt3 gm,*9z tqo-w 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, ff:wltu-a1:ie.1vf zq ires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. iv f.wla1-:t:ezuf 1qWhat is the average force exerted on the machine gun mount?

  A fire hose is turned on tt jhjd5c*x(.0nyhj 1a he 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 set 0n.x(dc1 jyh ajh5j*cond, what is the minimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at thx).. pt1 dcuo d9tjs:re rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what averag1ddtxst. j:pr uo.9c )e force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s aft pe,c.f(jl kspbfiw(zh vq,w2- il6 s22l.vk .er 3.0 s, when fired straight up. What average thrust foilbi2sfswwf,-6k.2vcp qp.vkl2lj(. ,h e(z rce does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer 68f . jbxggkd sog7k)1mnjv7yinq902space. They push each other apart. What is their separation after the lighter asig 9j n2g kgykv7oqnb m).dj x8f6s107tronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of su c8k1i5u3hh 2.0 m/s. It collides in a perfectlycsu38ikh 5uh 1 elastic 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 velocity of 0.20 m/s in the +x direc) hz0sk.xgou,1. gmwbtion makes a head-on elastic collision with a 0.15 kumboxh wk.0,1 z. )sggg object initially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet movi 0x4nz0y ciy/okz;l ig3qik 6,ng at 300 m/s is fired into a 1.00-kg block at rest. The bul0 ;xq3n0giickz /lzy,iyo46k let 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 collision?

  A proton, of mass m, p88vvwl e7q/y at rest, is struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, whq/7pw ly8 v8veat 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 station5yju z,ntt4f( 7f5 -0ngsdytkary ball of mass 100 g. The collision is elastic. z54(k fttd,tj gn-5n7ufyys 0 What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the eas/dws 92l 2h8sf1vjlust with a speed of 3.70 m/s collides head-on wit8s1v9j2w2 s/luslh fdh a 200 g ball 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 ml/wmty 4irg70 /s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after the collist0riyl w7g/m4ion?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s-; t.y 5kuy6rxp mym2j collides head-on in a perfectly inelastic collision with a statj.y- rmmxyt2u56; pyk ionary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, stizck4s/+tkfo44bj (qil(, s irikes 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 ents,fi +(koi (s bl4ic/ jz44kqergy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction burtv*2+se8)inlpnp ydod4/6qr ies itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block comr qpin4d)p82 y*o /vn6dles+tbination 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 travelingcz/x)q3sz0az bir:y4 z81 psu at 90.0 km/h east collides with a 3000-kg car traveling at 60.0pr1: za 0/xs 48icyqzbzz)s3u km/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 e ,7vrh44g 8dfwqj. vfzast 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 direction of motion of the cars8vvjrzqw f 4,4gd7f. h after collision?

  Two objects move on a level frictionless surface. Object A moves ea(w3qee f,7n f y1mk7dkst with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They ma3ew,7f mn17qkkdy(ef ke 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 Noi4vsyq j(k6s1lu qcgd;d g s1up(-.6orth 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 frictiu( i6yjp.qgs4s 1 d;vq6g(1cs-kodluon.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at x ucgnhjd,1 9g,0 y9nh l= + 21.0 m. Where is the center of mass oy,c9ngdhg jlnu, h910 n the x-axis?

  The center of mass of a two-particle system is at the origin. One particlp*g+7ajf :h s+y0- rs4y ddrhhe is located at (3.0 m, 0) and has a mass of 2.0 kg. W7j-*:shf gyh+hdd4 r+ spary0hat is the location of the second mass of 3.0 kg?

  Three masses are positioned asipv.2y bxyqd gp/ z0)dg++/ vr 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 coordin zd//drp. g+y2x)vpgybq+i 0vates of the center of mass.

  Three masses, 1.0 kg, 2.0 kgdab ard0j*:p0, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the locatja: p ra*0dd0bion of the center of mass of the system?

  A 3.0-kg mass is positioned atmy4h iiurk7ez 3(:l4e (0, 8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which wu: l7z4 eikyh43re(miill 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 lentz,*sp0 onmgu 2j2h6g including the foot when the leg is spm2,6znh*js u tg 02ontretched straight out. Assume the person is 1.60 m tall.