What is the SI unit of1+k)9c zn jehx 9bq4v;:alenr momentum?

  When a cannon fires a cannonball, the b33mznyt1o0u cannon will recoil backward because the

  A freight car moves along av 3vwvep.uc; +*qc.5e ;gzhww un5c) i frictionless level railroad track at constant speed. The car is open on top. A large load of vi3.+wce5wecuhpw*gc;v. ; )v5nuqz coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sle 6y)p5qd yjn(ddding on frictionless ice. What happens to qnd56dyp(yj ) the velocity of the sled?

  A rubber ball and a d(k(xh 0 lvvn,lump of putty have equal mass. They are thrown with equal speed 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 x0 n hdvkl((v,the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would ycl ;s 3(srx0efw -3s ktau,e/dou represent its kin tws3r ;s(sefl-0d/acek3 xu,etic energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the pq 0buv.e 5qeh v(fhxy mql9 4u28mb1zj9yo6y0revious pitch, the magnhxoqymubzq luy5.v8hj 2qv009 6e9 y f(4 emb1itude of its momentum is

State Newton's second la+a z7 mn56q0cca.koiu w in terms of momentum.

State the law of conservation of mome+j.vn :j( 3z jagevnr)ntum.

  The area under the curve on a Force versus time (F vg3e fn9oz++m-esmc zh,z( 2;l8sixe ps. t) graph represents

  Which of the following is an accurate statemenkv(o03 edndg(t?

  A small car meshes with a large truck in a head-on collisiod wz0 moo58rnfb xce75.kl): cn. Which of the following statements concerning the magnitude of the average colli ofbwx0n.rkz7md:)eco 55 c8l sion force is correct?

  Two equal mass balls (one red and the other blue) ):xj;q p0 xlqxare dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected to the greate)xxq;jl x0:p qr magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving epvv4*v (kr ae,ast at a 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 experiencv4verpa*( kv, es the greater magnitude impulse during the collision?

  Two objects collide arwcng (/v8-b5a g(e ktnd bounce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-onhw2rj:k1:xw j*9 fb1qwoopwu-gf /s 5 nugp3/ with a 6.0-kg object moving to the left at 2.0 m/s. Which stat k 1/:2won:fbj9w*p/usw wfoq3jru-ghgxp 51ement is correct?

  A 100-kg football linebacker mhsegs-3(hlk-c, u+fp gy0 er9 oving at 2.0 m/s tackles head-on an 80-kg halfback runninghek3- csyfh0 lp g,eu-sr+9( g
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentumodgmg +8rz+( yr6 o)qjm0jkxtot e;;6 is conserved, then which of the following statements i+;6moktx;rjrjg ym(8o eq odg 6tz0)+s true about kinetic energy?

  When is kinetic energbu; mm2p 3dh)fy conserved?

  In a game of pool, the white cue ball hits the #5 ball and st02vhl:w/akr q ops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type o 0qvw 2lk:h/arf collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides wi cn0 a38b(zt6o,g lkvbth a heavy exercise ball at rest, the beach ball's speed after the collision willl ,k 6b(az3o8 vcnbtg0 be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision with (v:) b(q q e3+lc h.fshi-vwvja stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed ofj(. hfilcw(v v) - eqbvqsh+:3 the golf ball immediately after the collision is

  A rubber ball with a s szl53ab 0sx1lpeed of 5.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the initially01 xa3sbslz5l stopped ball after the collision?

  A very heavy object moving with speed v collides head/kskm d--l5dx ucm gp1b : 7m1x8nupn.:ssnp,-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 ofnp cmkm7 m./1: uux1p sdbdpx nlkg5s--, 8sn: the light object after the collision?

  A very light object moving a8t/h6w/kwyf with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The colliy wh/ft wak8/6sion is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a veloc/yi 0qa)v8kbbgj4gw , nu6-reity of +3.0 m/s collides head-on with a yellow ball of equal mass moving wit)bq-jbu,eg6yav4i ngr8 / k0w h a velocity 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 with a v kn 3u,:id/othery light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows down. What is th:nu,h/3 dtiko e speed of the light object after the collision?

  In an inelastic collision, if the momentum.g vb6 xbfvq)/ is conserved, then which of the following statements is true v/x qbvb .fg)6about kinetic energy?

  Two objects collide and stick togethe.gl8. qsml2 knr. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectl4mvvs4w rp)ol ce4z+.fb.z8za;.oqqd+ b ,b r y inelastic collision wbv; wo .cdq44qz. vp+,fbl 4sa. zr8z+m)reboith 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 egagvzn:a53v)5 z . aurxperiences the larger magnituvu:) 53gnarz .va za5gde of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is deflectdr3 se;(la ;bted 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 statements3 +9m+j xkxp4iia :h;)dchkyxv9k au; is falsehcakxyxd4 i 3 ) k:u+hmx;+jv9p9a; ik?

  Which of the following is a false statement?7web xo;81 gbp

  Tightrope walkers walk with a long flexible : qmp0 hjno(ea3pz*4c rod in order to

  A plane, flying horizontally, ree / db;3rgs e12f9oblbleases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass r2o/ s1fbd9eg;lb3 eb of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The collision was compleh/s d h,.)7pmie y)rnetely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this system's center oe,ri )) mhd.hy/p7nsef mass?

State Newton's second law for a system of par xreq w7p,vem.m/hgxd+) r/.t ticles.

  What is the momentum of a 2000-kg truck traveling okaj7hk0z 7s 16ng1k) glwv2kat 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the m 1)j nvk:ogtcy-164x gsft8ii agnitude of its momeng1is6n )8y vt-:gtj c1kof 4xitum?

  A ball of mass 0.10 kgw,,nxjmoq0wly8 an7n wk 39s- is dropped from a height of 12 m. Its momentum when it strikes the grok-jn,sqwmw3w78n 90ao x, y lnund is

  Two identical 1500-kg cars are mo7zkkco** dr l.ving perpendicular to each other. One moves with a speekl7o z*r. kcd*d 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 0.10 kg, traveling horizontally at 30 m/s, strikes a heqaz72+ 5 lkbc bex+8wall and rebounds at 24x+cb5 ae2 8bhlze 7q+k m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of e8ap+99jx)agvscs9 m 12 m/s, is struck by a racket causing it to rebound in the opposite directio9ga)a e+ s9 9vm8pjcxsn at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) iz g(6 crnuhbp7s4r8 f3eotc,7;*ym ivs placed on a frozen pond. The machine fires a 0.40-kg baseball with a,zy7g 8n fh* v(su;imb7rtoc3c4rep 6 speed 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 capypq64h3-s 9rlh2sf vopgv 7d.f,wp /csule 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/pdg 4,hf frs/qs y9w7p3ov v l-cp26.hs 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 large objec ia1u(v;n9m+n ukaz -j, pqx8at at rest. Thea+ k(1z9ivu-;a,ux manq njp8 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 frie 1xm.i fin/2at5esk(vnd (40-kg mass), who is standing still, with open arms. As you collide, while 2.nme5 st(iaf/1k vixholding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a level, s; dzzd3-w+pvytraight road at a speed of 6.0 m/s. It collides dizzwv- y3+d ;pdrectly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s r sj i1kvk-,yn9g -+gr v2hcqj4uns into the rear of a stopped car that has a mass of 1sk-jynvrj2 gi +4kgqh9 c,v -1500 kg and they stick 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 level yszzu:t6q 3*nx3or.rd- a 9ct zmt-c* track at a speed of 2.0 m/s. It st-.:3n zz d6qxcy z mt*atcu ro*93r-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 coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a njrcal8(xl.-t zq ;f7p +eug3 fvmp+ ck: a:4nhorizontal 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 bezc (na4; l ql jf:37 :.m-xptn k+fvepgcu+ar8 moving after this happens?

  A 60-kg person walks on a 100-kg log atck 1km(9-ldsa/w lsj5 the rate of 0.80 m/s (with respect to the log). With what speed does the log mov9 ms-kd/ck5j(s wl1la e, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. b: cb,wyemnv16- csxvn1,q* s7iq8 pg The force suddenly increases to 15 N and ay,bw cnvni7gm1 x vq,1:p-c*8q6esbs cts 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 isdbs.it 9e:- ey +toy)c the object's ctc di.)9 soee y+yt:b-hange of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collimiodj89 et+9 v)8ul6 +bi6tfwp2sqb shr- ut2des with a brick wall and comes to rest in 0.20 s. Wha+b2jlhiemuwrf9sou88sp tv)t- t6q d+b692 it 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 3rnf 58qg yio:ball back along the same path, and at the same speed. If the bat358 rnqyiof:g 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 speeds of the ball right 1m* rxyy8 h,f/prs)cm 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 x)y*cy18/rm rp m,hsf 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.a,yzkwt9*k jmhq1- -e0 kg, 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 exe9 zeak-1mq- yhj,t* wkrted on the machine gun mount?

  A fire hose is turned on the door of a burning building in order to knock the d5 v,fkm1iq5th4z( v;ah 5mnwkoor down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the minimum velocity tim; k mvw5h k 45h,(nzfaq1v5of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 126-juczskak23 x8p 7j z0 kg per minute. It falls 3.20 m to the ground. Assuming the water d7 zjc ua8k ksp-xj2z63oesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achi,wypktv ms(,/rd33j bb0m6s yeves a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrustw3 pdsv s0 y bbyrt6kjm(m,,3/ force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are i0i 5 nnx+tsvk hp. /hug/p::sdnitially at rest in outer space. They push each other apart. What is their hdi kh/nv5t::psp.ng x+0/usseparation 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 pn ;qz,pz+6m or ngta :su4 9lqkaod dt5:7vt,4erfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. Wmd;zvlk4 zats+ :qt75t9,noq ,4 pnr d:go6uahat 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 head-/ej *2 nv8vru1p69imzl sh ;g c.edcd4on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after collidji/ uvl vs2* z8geernm9h1. p ;dc46csion?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest3use *3awgu* e. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is tse*eu3w*ga 3uhe velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an a6 htqi.cr:l r9lpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elas6rcq thri l9.:tic, 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 head-on with a stationary balf e*6vdw5wz7 s-xut9n l of mass 100 g. The collision is elastic. Wh7vn sxf*6uw-z5w et 9dat 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 rn e.pvjkq )7qdre 97h;6/s tjm/s collides head-on with a 200 g ball sittiqq6 rd7jsvphek);e tn j/7r.9ng 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 m/s. It collides head-brnek-5gozl : u).9h ton with a 3.0 kg mass at rest. If the collision is pen5o:lhgk-b t9r)uz.erfectly 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 .g)xp x4 5tmbkg/4pbg collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during tg4)/ gpp mgbb4x5kx.this collision?

  A car of mass m, traveling with a v2:y g 2l7jm -ybdpjs-delocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. Wjdd 7 pg2s-2j-my :lbyhat fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction b5 xr/+1lfcm3x 2gbxsjuries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination movesrf1g/ x+s5mbxx3jc l2 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 2t.wo:l0yq jl a 3000-kg car traveling at 60.0 km/h southw2j: ty.q 0llo. 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 east collides with a 3000-4pmtzduqq2ljgv7) 5+ 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+v ) z7m4qpg5tjlqd2u cars after collision?

  Two objects move on a level frictionless surface. Object A mo 1v)c; 0 qmzzx 4y7yglfx,9hfkves east with a momentum of 24 kgm/s. Object B moves north with mozqyfmx7v y0 k;l ,1f c4gx9)hzmentum 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 withfbj;q*( pbwr2 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? (Neg(2qfj rw; b*pblect air friction.)

  A 4.00-kg mass sits at the origing 1cg.mrvad 9xl+d0 )i, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass on thgc0.axdm +g9 ) lvidr1e x-axis?

  The center of mass of a two-particle system is at the origin. *x iyn*j1mvgdu4y 4 k* One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second m4iyv x 1**k4mg *dnjyuass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0zi5;gtqr;7;;yq 4n*p j vpbab), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the center qpvjzp igb ya; 47; tbr*q;n5;of mass.

  Three masses, 1.0 kg, 2.0 kt jz5rbj38oy 9bz;y(f g, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What iyj tbz;5y8ob fzj(93r s the location of the center of mass of the system?

  A 3.0-kg mass is positiox d0n-jljy*hv4+ 2ide ned at (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 will result in the cent -+ljvx de0n i2jhy4d*er 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 w: za 58d/qnhlnhole leg including the foot when the leg is stretched straightqn 58/ld na:zh out. Assume the person is 1.60 m tall.