What is the SI unit of momentum*oeaa)/qgr; o u3m: h,g8ydjc?

  When a cannon fires a cannonball, the cannon will recoil bac;as e d*n 0q6cf/uhv*fkward because the

  A freight car moves acp1 4klsumkyk,kh2v: 5+ tw0 xlong a frictionless level railroad track at constant speed. The car is open on top. A largmy+,uplk4v k xhk2 k0c5s1w :te load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sidewaysaa-0:6gwp d(r 6k ots+yjynb ; off a sled while sledding on frictionless ice. What happens to ths( 6y 6d+p:wjkagyrn0bt;o -ae velocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are throwslqc qac,)a18n with equal speed against a wall. The ball bounces back with nearla, qs 8lc)q1acy 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 movinq go:f 3/ch*8r yuvhm2g with a momentum p. How would you represent its kinetic energy in terms of thg:mv* 3c/q8huf rh2yo ese two quantities?

  If you pitch a baseball with twice the kingp7)wkth8 8 cqetic energy you gave it in the previous pitch, the magnitude of its momeh)c7pq8 wk8g tntum is

State Newton's second law in terms ob q1k3ux*ayw 29z; izjea4r6br6h ds 4f momentum.

State the law of conservation op(o n9wx(k xy +sn( rnmtm353df momentum.

  The area under the curve on a Force f9ahgjlq 4ei(* -h06yga*j hmdss +7dversus time (F vs. t) graph represents

  Which of the following is an accurate vn-las* r 2kn)statement?

  A small car meshes wi6dfo 1/ hxvx mkkm/w+,th a large truck in a head-on collision. Which of the following statements concerning the magnitude of the average collision force is x kw+6m 1om/v, f/hkdxcorrect?

  Two equal mass balls (m70z; ialdmmn *wq.t7jc y a2h3ea)9f one red and the other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected to the greate77d9n.)wt q jay;az 30mh *em lmic2afr magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides witrhu gnocc(bzsln (2c6 8 9u ,4exr+5n ym-gdb/h a stationary bow (z4bgn/hcygm(8,+d-ob9 lns ex6rn u u52ccrling 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 during the collision?

  Two objects collide and bounce off each other. Linear momentu+k zc,h)v; dj) w +kwsiu/-dzum

  A 3.0-kg object moves sreld87e84i 2htpo2p to the right at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statement 84 2leop8ht7 d is2repis correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles hoj yn,)+phrqp 4e l2(+ irr6ulpd;om(ead-on an 80-kg halfback runningj6o 4llr++ryu r2dip,( ;(n po)ehpmq
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 the followi0 kg1u* 5 odi f48gz2e,szkfwsng statements isgkdz1 g*iwu,8 es 2z40sf5 ofk true about kinetic energy?

  When is kinetic energy consech+djvro)3 aw09m; sr sr5n4z rved?

  In a game of pool, the vq, /5p3q:una*thr +4cs vs nuwhite cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball ha/u q cnr ,ss4 nvpu:*3q+ht5avd originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s colliden5i.1 v d)uebvs with a heavy exercise ball at rest, the beach ball's speed after the collisid. 1 5nvivu)beon will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collisio t e5fd;d(.lctn with a stationary bowling ball in a friction-free environment. If the collisiotft; (el5 cd.dn 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 cotellv 3nz1o;(otf.oi:km7d 7sm0 wp 5llides head-on elastically with an identical ball at rest. What is the speed of thlfm7zvn3tmo di1e k :otl57s.; opw(0e initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light obc.a 2d5kck)o q2; yab9(qon rdject 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 collis rqaqdk;52o)2 boad(cnc9.ky ion?

  A very light object mov*ihorv o4 e7)sing with speed v collides head-on with a very heavy object at rest, in a frictionless env7*o 4her sov)iironment. 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 bnc6*txpd drwd(*r,)m 3w9h r head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after tdnbx* tmd ,(3rw6rpwrc hd*)9he collision?

  A very heavy object moving with velocity v collides head-on wititbyhd29 6fkew5 4slw ot7vlj57(r3z h a very light object moving with velocity -v. The collision is elastic, and there5dt62 fbt9 ek77ly5j z w hws(ilr3v4o 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 h0 4m/hsb2irdf/.qxnthe momentum is conserved, then which of the following statements is true about n2./i/ bfrqms0hxh4d kinetic energy?

  Two objects collide and stick together. Kinetic energyh 0r;z x(da.9zsz;8rym-mzyj

  A 3.0-kg object moves to the -cd2e.fta,nsr)q mf/ right at 4.0 m/s. It collides in a perfectly inelastic cd /2eacftqms. f ,nr)-ollision 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 lyc4w*al11kjyqv p5 vg r41g +iarge object and sticks. Which object experiences the larger m1l4kqjcg4yigw +15*rvv p a1yagnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is deflected at agsmbg ++73- qdzboqm: $35^{\circ}$ 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 y n7kkwjq.y :al( 1;eithe following statements is fals1jwey k iaql7.(;nk:ye?

  Which of the following (s( wv7g;xge kis a false statement?

  Tightrope walkers walk with a lxj p0+(vwei hv(m 3w8zong flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hi gy86o s5 zlxkjw(lm10tting the ground. Neglecting air resistance, the cente06sw8l(z1gjxml5ko y r of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. Thezeb7eo c;8lhm) ;5(sule n rq 48cbys4 collision was completel457u4;onbqrl )ymsscbc zee;e8h 8(ly inelastic 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 law for a system of pjrq.rk80yvv p,) ub+6n rakq 20r2aqk articles.

  What is the momentum of s1l,e, * nwf4 sny)pkna 2000-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the mag4o85fiu udds- t.g1j.vyq-d iv7j+v unitude of its momev8 +g7ut4uv.dfo.d5-j-jdq is1 viyuntum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum wh f*t*,35ud6dumvxs n sen it sn6ufxuv,sst *d*dm 35trikes the ground is

  Two identical 1500-kg cars are moving perpendicular to each hm7kkj .jrg96+ /n;ilys5qtpother. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the totatq h/+ gy5kk6n.r7jsj i9mp;ll momentum of the system?

  A handball of mass 0.10 kg:d1zjgmu, ry( q k0h6o, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the mko 6zhm,g(urd:yq1 0 jomentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struck by1pe3 whqr jh8a8w8hjr1i37 4sn8 onqb a racket causing it to rebound in the opposite direction at a s11 p8nh8aro 48 s8hbhj 7e 3q3wnwqijrpeed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball)4bm is/d h/l1dzcnbpb -bs;*- is placed on a frozen pond. The machine fires a 0.40-kg baseball with a spe/s-i1 pbhld ncd* /s4; zbmbb-ed 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-walking outside the space capsule and is sta )p hn)gdts:-mtionary 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 astronaut mov )mh)nsp -dt:ge toward the capsule?

  A small object with momentum 5.0ha)vo hzpuzt/8z3b 08d2v: s 7q7h hfe kgm/s approaches head-on a large object at rest. Touvhz8s 2ba7/ft)0z :8 3qhpd ve7zhhhe small 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 lvh9i -(l,zm0dw:y+kev*vy edm/ 9qc(40-kg mass), who is standing still, with open arms. As you collide, while holding each 0 k el,v9z-m*mv/vdi9dy hle+ yq(:wcother, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right al zwd7h nmna9 u/2 2*gpxi7nls/ong a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What in7a 7unxhidz2l n ps/m29gw /*s the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s ru s92z7 .fb+wul1gwrblns into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the carssr 9l 2lbb+u17 wfzg.w after the collision?

  A railroad freight car, mass 15,000 kg:t:ddb/ o -vo*lccpug7k u u44, is 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 released. What iod:*c gbdl-uu c: ptk44uo/v 7s the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible fry( hu;10vz mzj)wl.as w(f;x miction on a horizontal tracjuzs fwl(v;)h1 ;wxy0 z .m(amk 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 happens?

  A 60-kg person walks on a 100-kg log at the rate of ) ikx4qbi(d*u 0.80 m/s (with respect to the log). With what speed does the log move,4 uix()*dikbq with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly in)r4n uk( ir0zicreases to 15 N and acts for onr(ku z)nir 40ie 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. Wg2) 8o.dp d.*lhgft ybc uuk64hat is the object's change of gchu8t.2 kfoby*6 d l p)4g.duvelocity?

  A 2000-kg car, traveling to the right at 30 m/s, colli unc )snz ;+dy3.r64x t:audmfdes with a brick wall and comes to rest in 0.20 s. What is ) csud6uzn3da ntr +;:f. y4mxthe 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 ti u/t sn /u9huxdr(xej,*ljw:v 0p7q +he same path, and at the same speed. If the bat wa9hu w ,0ve u*xxpn dirt+/u(7/s:qjlj s 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 spe-p -snw9cn2 vd19-ygs *kwknieds of the ball right before and right aftekn-- 9 cg-nsk vw2ysdn*i9w1p r 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 top?

  A machine gun, of mass 35.0 kg,digog jtq3- uoc9v 49, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exejidoucvo4qgt 9 g 3,-9rted on the machine gun mount?

  A fire hose is turned on the door of a burning building in order to knock t-ks3(th n5kuthe door down. This requires a force of 1000 N. If tht(t3- knhku5se 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 kmr: , yu+:of2kf upa-ng per minute. It falls 3.20 m to the ground. Assuming the water doe auo nk-pym fr:f+2:u,sn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, ar ahgd,1(3y q*cql7u n es,m)pchieves a velocity of 40 m/s after 3.0 s, when fired straight up. Whghq7 (1pq)adc, lns*e,ymur3at average thrust force does the rocket engine exert?

  Two astronauts, of masses 60oefeqft9/.0hj 0w e6g kg and 80 kg, are initially at rest in outer space. They putjo/w 9 0eg6ee.0fqhfsh 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 speed of 2.0 m/s. It collides in nc qcohtkf/oh7r6w uc4 wh; 3hba/9*) a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetw n;ou hqck/3a*r6/h ob)hc twc4hf 79ic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makes a head j usv44;zu 0tikb;ozn,+bdb*-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of thezz k4;+iunb0bdos, ;j4buvt* 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired itu/w/iu 0 q*,zfuoy pgi42g* into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocity of the block rightu/qi2, pg*u4g/z i iuyo*ft w0 after the collision?

  A proton, of mass m, atj;tz, ) zjk5xb 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, what speed will the alpha-particle have after the collision? (Assume the neutron's mass equals the protonb),z;xjzt k5j's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationu y09;/ e kqj5ixzwr,rt+bbi(0h2ln nary ball of mass 100 g. The collision is elastic. What is the speed of each ball immediately th 9(/;0znkbjqyu0x2 r,ni +i blw 5reafter the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s cold/13.zfxzzg blides head-on with a 200 g ball sitting at rest. The collision is perfectly e z1f/bx. z3gzdlastic.
(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-n (qvh(gyi.m u2 ul(h94l7rf ton with a 3.0 kg mass at rest. If the collision is perfectly inel.q2 m (lu9t(4i fy7gvhnu l(rhastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.v4t9gziq;8 jf2x 3buh0 m/s collides head-on in a perfectly inelastic collision with a tq82vf;4 3ixj9zhgub stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with ac2 py-n bq2hf( velocity v, 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 kinetic eneyb - (fh2cnqp2rgy is lost in this collision?

A 15-g bullet travelinc+i-l: fb 3wdwg 213 m/s in a vertical direction buries itself in a 2.4-kg block of wood a rest directly aboiw: f+l-wcb3d ve 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 at 90.0 km/h east collidu o;7/*aya ss2dhv o+pes 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 i*sadp2 hua+ osv7 ;o/ys the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-0eyav*ouqzl f x2y8/u(l q ;n15gg6ehkg 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 cars afte/l ngl50zgqy8qvhuo2 x y6ee;1f(u*ar collision?

  Two objects move on a level frictionless surface. Object A mcbe6 +1nxv ,vv)k tns5oves 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+k ,v5nnsc 6bxev1t)v ?

  A small bomb, of mass 10 kg, is moving towah(o4 oc)l:yge1si r 1krd the North with a velocity of 4.0 m/s. It explodes intoce) h11l iy4(:sorgo k 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 friction.)

  A 4.00-kg mass sits at the g-vm+ d:audyeth / 2w+origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the cemvudhdy +:g+t/ e-a2 wnter of mass on the x-axis?

  The center of mass of a two-particle system is at the v:bn gtlqo1 61origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. Whotl6:bq 11 vngat is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.0 kg atwn c5n11k(ak.a tv+xusr1 ef - (2.0, 0), and +-nr(xas.1ae5nv1 w1c tu fkk4.0 kg at (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, 0), (1.0 m, 1.0 m)h4f c*7tm,dnr0rgcr * t(zim3 , and (2.0 m, -2.0 m), respe(0t 3cr*rmht r47m cz*difgn, ctively. 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 (1r t)p+kx , z*rvyfr1n72, 0). What are the coordinates of a 4.0-kg mass which will result in the center of1*7xk,zpfy+n rv) rrt mass of the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the rf0:. t) givbfCM of a whole leg including the foot when th.f)0vrg:bi ft e leg is stretched straight out. Assume the person is 1.60 m tall.