What is the SI unit of mohwnmqu g6111a mentum?

  When a cannon fires a c: bet6yf. eb*dannonball, the cannon will recoil backward because the

  A freight car moves along a,jldshrm 6 r /nsj;0o1 frictionless level railroad track at constant speed. The car is open on top. A large load or/j6sljmd; 1ns,0roh f coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while s n+ mrdi/.uju3gvcvma bwh,,.4 4s4zb ledding on frictionless ice. What happens to the vngic..4 4 +abrmbjduz vm4vhu/,,3s welocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown w 3(zyyvuyu 4j9vbx: qaa2ci ;8ith equal speed against a wall. The ball bounces back with nearly the same speed with which it hy 8x34 9buy2ujc aq :(avzv;iyit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would you repre,adr-12 d datrsent its kinetic energy in terms of these two qua, da1r2trdd-antities?

  If you pitch a baseball w+soxp.c d,v 7bld9+ju*4rv fwith twice the kinetic energy you gave it in the previous pitch, the magnitude of its u7jx+fd4l +vbr p,9vo*cd w s.momentum is

State Newton's seconds* -z04)gv5fkap u,y9j hzyte law in terms of momentum.

State the law of conservation of mome +a1xll(ze,6 1cupvfcij 7x, wntum.

  The area under the curve on a Fo).t*ez gfqf ,pkbblv)x j8,j3rce versus time (F vs. t) graph represents

  Which of the following is an accurate stateme 4c6swh18 cj +5iagvgo)5sdolnt?

  A small car meshes with a large truck in a4e78 m9 d3a alzkrr7eq head-on collision. Which of the following kl77 ra e4m rdq3az8e9statements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the same mnm.y gf.yom(hg)8q2 height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected ggny m.oy q8m (f)m.2hto the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at yf bo6md(5n3 ra speed of 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 object experiences the greater magnitude impulse d 5o3mdn 6yfbr(uring the collision?

  Two objects collide and bounce off each other.b /wogd/bfzkxz,z-uo d 9cyn*)j28 ,l Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with v t-8 pg)rcp:pa 6.0-kg object moving to the left at 2.0 m/s. Which stateme:p)8pvrt-pcg nt is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-oe7w(lp71g y)c2sp ij3f.dyr ln an 80-kg halfback r)jcyd27.sfre73g pw ll1py (i unning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then whichr(n:n bl k3(fa of the following statements is true about kinetic ennf3k bln(r:a (ergy?

  When is kinetic energy conservemq (1at t plqt8fic(-0d?

  In a game of pool, the white cue banmp 5vi:1wgir w*o o563j(duqll hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of collisiww5odj(16 puvn ro3 gqi:im5 *on is

  When a light beach ball rolling with a speed zmjkq8 .)9ldgof 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed afteq98kzmd).lg j r the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a heaosj1lw sq,cl9hr06-c d-on collision with a stationary bowling ball in16rlj9w c0lcs-, h qso 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 elastically with an identjnkx,3 tiyx4a g) eqwu3 -15 ipfn1b-gical 3n 5pxu3 a)xb4w1-f, -ig qney1gtjikball at rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides h j:1v6yhb;*otu u8lp h a:twz/ead-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 ho yt6:*bupuav1;j z:8tl/wh the speed of the light object after the collision?

  A very light object moving with speed v collidqx:;1gy0mthuy n8gf *es head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speedyx *t:n 81;gugm hq0fy of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head- y np.gliu*)hm p+b/i+on with a yellow ball of equal mass moving with a velocity ugiy/.p+ipm hn*l b)+of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on wib32 5tl sm,pvhth a very light object moving with vevspm532blt, hlocity -v. 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?

  In an inelastic collision, if the momentum is l8tmm;iv7w8/a5x jy:lp+ vjb/o )skyconserved, then which of the following statements is true about kinyvj;x 5wy8 :om)l+ k/b/vtp m7lasi8jetic energy?

  Two objects collide and stick together. Kx ae;6ue9* fwr; ad*gzuyx 27rinetic energy

  A 3.0-kg object moves to the right at 4.0 r.1*frvzwy )awth2 2xvfm61a m/s. It collides in a perfectly inelastxrmyrwf *vt1 a wza26f2v).h1 ic collision 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 wlk:lll,cd a0j,0ya - tith a large object and sticks. Which object experiences ya,lltlc,:k d00lj-athe larger magnitude of momentum change?

  In a game of pool, the white cue ball hits t; +,ubuqhct6bhe #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,1sqt1p r 7 3l8vgs l7hthm*1nx M and m. Which of the following statements is falseg v7t nqm81s x1*lsh1tlhr37p?

  Which of the following is a q0;qfjum; : uxhv+bk9 false statement?

  Tightrope walkers walk witgt qvke)j/cm zp v2-,d-6,vr w;9risoh a long flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hitting :xscwnvi1 fudpn(s1 ;nae 449the ground. Neglecting fn cn;asu( 9vdw4:sp1e4n1xiair resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The collision w k0:dj/4u s pxf2:wgdlas completely inelastic and both cars quickly came to rest durg0d/jpd2:k ulw: f4 sxing the collision. What is true about the velocity of this system's center of mass?

State Newton's second u)8kg)b:mar,pr au: 0r c8gfqoz: /zolaw for a system of particles.

  What is the momentum of a 2000-kg truck trad8;s s pkd o9)aslq.9fnju*z9veling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude ofal fz 2c g:yh3i4+1btp its momentum?gh43ft apz: c+2b1 iyl

  A ball of mass 0.10 +yt )rp)hwcn/tn1 kl/whl q 61sf/u7c kg is dropped from a height of 12 m. Its momentum when it strike6c 1yw/sw /tl ptcu))k nhn+f rhl1q7/s the ground is

  Two identical 1500-kg caa:is.k+ld 0t (o2yiznrs are moving perpendicular to each other. One moves with a speed of 25 m/s due north and the other movaok iy(it2snzl:+ 0.d es at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontal nas4m7ko8i5t2 ucy w9ly at 30 m/s, strikes a wall and rebounds ans279yoi mw8at5c ku4t 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is stru;rqs+dmx pifr )ve.4(2c y ;zgxl6e6e ck by a racket causing it to rebound inxp) i.m4y2cdv(rez;r6f elqe+sgx 6; the opposite direction 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 onddv x)s4 ;+3n 1+odgx5qcmxgp a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in1++sxdo; gqp)x n45d3v mcdxg the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the sp1s9;:0 qsjifo( z twe1u2 dfueace 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 does thj0fwuf zse qi2 9sd1t( 1;:ouee astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large object bgo ,bnm8u war+yf.0.at rest. The smafyb8+ a..uwnrbg0,o mll 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 mam :.q6u- s4 e.fx0krodo-cjzq ss), who is standing still, with open arms. As you collide6f.d-q: 0.-ojmq4rsxoe ck uz, 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, straight bzt4;w, b;,ugxb s k:aroad at a speed of 6.0 m/s. It collides directly with a akx 4bw,bs g;tbz: ,;ustopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s rzfx9lzyim* p. oo+ 3hv66; drnuns into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars after thnh .iv *odolx3rp6zfm9zy6 ; +e collision?

  A railroad freight car, mass 15,000 kg, is allowed to coaa6 ua8o 7k5m*6zmh wvnst 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 is the speed of the two cars after cwn6 zh8*v5 a 7m6amukooupling?

  A railroad car, of mass 200 kg, rolls with negligible friction o:cki(/d:zd d9ayq7fr n a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a dic7d y k9:fazd irq(:/dstance 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 (with resqd4).wk+qauyo / jw 5ypect to the log). With what speed does the 5yy+kwq4 jqw)u/a.d olog move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an objec:ldcapd pgjzfz s.m /,59)sw 4t. The force suddenly increases to 15 N /jzsf4p pm lad:d59g,.z)w csand acts for 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 the objz764hppgcgb pp * b93tect's chap3ctb7 gp694gpz p b*hnge of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides withxht 6:ao(flqkei;lp1q l,j2lp lr a g22ak0:9 a brick wall and comes to rest :keql0a,2o2q :li pgra2 k9( flxahlp61l jt;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 b+cynx14gn5 xp all back along the same path, and at the same speed. If tny 4+xgx1cnp5 he 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 dropfb8n ,er*gc jme42bg :ped onto a table top. The speeds of the ball right before and right after hitting the table top are 5.04mr8c2n*g bf,jgbe e: 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, fires 50.0-gram bullets, with a muzzuyfpnf*.b:ho1 fs9 3x le velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force e pohs nxb.uff*f13 9:yxerted on the machine gun mount?

  A fire hose is turned on the door of a burning building in orhc1z g4;me:z ader to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per secgzhc4m 1 ;aze:ond, 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 per3htz075qq)4 gbmau;x)hfhtg minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on ug4m tt;3 a7h xf)h0hq5qg)bzthe ground?

  A toy rocket, of mass 0.12 kg, aco)vx f) a6 gows/98pruhieves a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rgxav oo6urf98) /sw )pocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are insml;(cb0)urv c jz4.nitially at rest in outer space. They push each oth).nbr(zcuc l 0;sm4vj er apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to qh(s:.jv l ct1u pj4.lcnolky+: 7r1gthe right with a speed of 2.0 m/s. It collides in a perfectly 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 collisiongrockns:jltc14+ (yphj.l:uq . 1vl 7?

  A 0.10-kg object with a 63di::asc fwg) qtj3a velocity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the fjcaw t:q 6d3 :a3g)isfinal velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is s1 a7i ki+ogi5fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded i +iog5sa1 kii7n 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 an alpha-particle2pwdi0 jxe 9a: (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what spe 2 xwj:ai0dep9ed 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 stationa(tl-/y4 vlxq zb)bifm: (vq 0ery ball of mass 100 gz: 0ivb )- xmqtfl 4(e/(qbvly. The collision is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with ,-7q158kfev c vaw9dsavv ro2a speed of 3.70 m/s collides head-on with a 200 g ball sitting av rwvsk,58v ec12-7a9qo dafvt 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 witf t tvf7zu4-l*kv8cl0h a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectl4 - 7ttcf z0fluv*8vlky 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/s collides - ,af9j d-hhijhead-on in a perfectly inelastic collision with a stationary 2.0-kg mas daif-jjh9-, hs. How much kinetic energy is lost during this collision?

  A car of mass m, traveling wit dqx4l 1 o+z5sjv-.h9gakzyu: h a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision.+lj-za:v od5h.9ysz4 q xgk1u What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direv 2pu7ycf axuw6qi3g5yh /0 jimu5u; ,ction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves verticallu;g0f6ii7 w,u5 qcx v/u2h5 pa3ujmyyy 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 3000-kg c;gdoq ir/c p +k+b1nj)ar traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed of the cars after collisir g++o 1bj pq)ink/cd;on?

  A 1500-kg car travelija,1(l,s( y mxh0xhx fng at 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together x x(( h1f,yxhj,m0slaafter the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictm*r.-g aw z.v 0(,;pv dhsa)f2ctqzcdionless 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 th)dhzwv;.g -,r2z v as dpc0qfac.t(m *e magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is mo pvv pez1vml;0n+8:piqmz28a ving toward 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 masm vpv1 vi:l8 m0q8a;zpenz+p2 s 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.gv(uhj+g ()iq Where is tj(u g+h vi()gqhe center of mass on the x-axis?

  The center of mass of a two-particle system is at the 8b;f qty 8z5 l,1.hcmwki828 geh,ywqrc fje/origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 k .fr,emw bj21,qyz58y hk 8; gf8 hic/wqetc8lg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2kyo xsv l,,g;ou4 6ys:.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the center of my6v4g:,s;uo o k ,lyxsass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0),a l,3xc8 wixn50zdinrbz3u hj2:(rs; (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respnziuw: s 3(r xc5;8x,r0 jz3n2hlabd iectively. 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- d- e3ouche-i:kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the ceeido3 ueh- :-cnter of mass of the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calcprd tps9y764xgw r8c0ulate the position of the CM of a whole leg including the foot when the leg is stretched straight out. Assum8drypx604 rwcpts 79g e the person is 1.60 m tall.