What is the SI unit ofj ta0 bqk36gd;o*wu6c momentum?

  When a cannon fires a cannonball, the cannon will recoil backward bekz8pmq;9n3n6 wl ab-qcause the

  A freight car moves along a f 3eyuz.h 0gydju:3:bxqkah e 1oh 1q 0s7l.qp)rictionless level railroad track at constant speed. The car is open on top. A large load of coal is sudhk10)eb.7 03auyhpu :q1hzq jyqgl s3ed. :oxdenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled c mps +apu/ivznia-b +;:; rq;while sledding on frictionless ice. What happens to the velocit nav; ;m:b/pp;q-ru + cszia+iy of the sled?

  A rubber ball and a lump of putty ha6 c.oi/.xch-ccm +w l me)sqd6ru2+ ybve equal mass. They are thrown with equal speed against a wall. The ball bounq. w h/6c)+ m2idlcby-sccrum+e . 6xoces 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 a momentum p. How would you repru 5(wpbblv+p a2 :eht9esent its kinetic energy in terms of these two quantitiesp2: h9ba5tuwve( l+bp?

  If you pitch a baseball with twice the kinetic energy you gave it ir ej+h5s1 (5/luyncj)kyntr)q b nl4g+-e1v s n the previous pitch, the magnitud4 hl yr b1 (5qn++j-/k1ns grlescju)5nety )ve of its momentum is

State Newton's secona4 ornvfiwy; 9-t 87wo,pksg0 d law in terms of momentum.

State the law of conserv q na:i*.pg qlcui+(p3ation of momentum.

  The area under the curve on a Force versus ti*aa( ( st(lyz(0g kcryme (F vs. t) graph represents

  Which of the following is an accurate stateme +e (d8-yvsffvnt?

  A small car meshes with a large truck in a / aj6dkbgvd3mmf e0b:2m0 e1a head-on collision. Which of the following statements concerning the magnitude of the average collision force 1a 6fej/032dgv0be kmmdb:mais correct?

  Two equal mass balls (one red and the other blue) are dropped from the same heii7ui iinx3z10(rkp2y,v, s xvght, and rebound off the floor. The red ball rebounds to a higher position. Which ball 0ixs,ii1ru pz,vn73 y(2 xvk iis subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east a3u l*kjt3m ,xl9 b:aadt a speed of 4 m/s, collides with a stationary bowling ball. The Ping-Po3max93dl ktjl:ub a* ,ng 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 momesll 6(6sjfrumi,sx+6ntum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides a6ml,/;:s85kir8 2pjevq ky-cvjw mihead-on with a 6.0-kg object moving to t 8yvl2k/i5je:rjqmpi-v s ;mk6wac, 8he left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebajtoyq4:.2l i;m4o4uq dr it9f(-:pozbip zo5 cker moving at 2.0 m/s tackles head-on an 80-kg halfback ru 4-.jo zyi; d : o:utqtq(orfib zop245p9lmi4nning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is con*p6v rc2erq/c6d o +e2kj(l lnserved, then which of the following statements is true lcrk2qn/vc(jp6lr +d eoe6 2* about kinetic energy?

  When is kinetic energy co( a w6cqq n1guiyj6j+2nserved?

  In a game of pool, the white cue ball hits the #5.yr-wd q dt/m3 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had origind. 3mdw yqr/-tally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides ,mdywxee :3spx5hy11 with a heavy exercise ball at rest, the beach ball's speed after the ,s3e5 yhxypw1:mexd 1collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collisinbn2ffs4j6o +on with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immediately after the so2b f 46+fjnncollision is

  A rubber ball with a speed of 5.0 m/s co0- (uiebre*yj ets/y 9llides head-on elastically with an identical ball at rest. What is the speed of the initially stoeu9/rj(bsei-ye 0y *t pped ball after the collision?

  A very heavy object moving witgp w, nu q7p7og5+qm)xh speed v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slowsu)nw+ pm ggx5,q p7qo7 down. What is the speed of the light object after the collision?

  A very light object moving widw9x f3befl )iw+ hjr4vl5y35th speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy obje9b 3eyhj fl+dflvi5)4 5w 3rwxct after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball of e*,m1loh 9ho1 4koksidv*c od7qc91xgqual mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the ddc11k lvgomxh 7*q4hosoc9,ik9o* 1 collision?

  A very heavy object moving with velocity v collides heawo n2,c0cw:ugs/ ya9id-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. : wyig90,/wc2ucsano 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 conserved, *wx9ls(vd v. qthen which of the following stq d( xs9v.*vwlatements is true about kinetic energy?

  Two objects collide and stick together. Kineti6co r+htma o y3s7gl(7c energy

  A 3.0-kg object moves to the right at 4.0 m/s. 1 3zau vocx ymp 35pv:(x),tppIt collides in a perfectly inelastic collision witvpy,:ox tv1zx)cp35mpa 3u(ph 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 obt+lka/hho*0d: w y y*aject experiences the larger magnya**+d yh t0l /w:akohitude of momentum change?

  In a game of pool, the white cue ball hits the #9 balbuuyz )m4ofk 0bsmwqn 6r4; 78l 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 eypr-/ -ekz nts38jh;y+h)z*lapg(d is false?y-s e ;zrzp+he( 38 n-akt)*jdhgp/yl

  Which of the following is a false s01) t8:pij aoohe;l5flo b(sjzdh-c6 tatement?

  Tightrope walkers walk with aot,ia:fh7 b 2-dadbop 2j)p6l long flexible rod in order to

  A plane, flying horizontally, rtvp qfp1 i7k( pl:5ss6c xp.z(eleases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the episk pfplt1zpcsq5: .x7( 6(vxplosion

  Two cars collide head-on on parwfiy:z g h ,e/t763a level friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What i3:/6har7w ,f t iepgyzs true about the velocity of this system's center of mass?

State Newton's second law for a q3k/kr ,kdg6r system of particles.

  What is the momentum of a 2000-kg truck traveling at 35 m:g0oi sier9o2 9v-nfwc zgk)6/s?

  A 1200-kg ferryboat is moving south at 20 m/s. uk8 asb 2xqgw z-9qs*e;d z08vWhat is the magnitude of its momentum?q0ga;8sk d*2bvesx9zqu8 wz-

  A ball of mass 0.10 kg is dropped from a heig.y5jwpa/6 pk+z 5 apma15l rdyht of 12 m. Its momentum when it strikel5+z/py rw5 1ja5m apyp.6adks the ground is

  Two identical 1500-kg cars are movingawmk .(h3z t.k perpendicular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What ihkwztma k. .3(s the total momentum of the system?

  A handball of mass 0.10 kg, travelineghvr rx5hok4,g.v1 -i3 +l;x/whpup g horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the chang k-wo 4.phh 1;l3/v+ irx,vhx5upregge in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving ah,fn r*7f2rn h2* wnb3 lxd*yit a speed of 12 m/s, is struck by a racket causing it to reboun7*nri,dlnn*r2b* f2wh y 3fxhd in the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machjpcd8 j5eith0sv 6l6l:*j 4cb +wj(lyine (excluding 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 recoil speed of the pitching machine? (Assumlcjp (h y0ejj8 +5*wvltjlc b6d:s4i 6e negligible friction.)

  A 70-kg astronaut isof9t; d2xwjpz l5(ro9 space-walking outside 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 fr5 o;d 9lwjfrt2p9zo (xom the capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on vw/kk97jmk.ex9o;do a large object at rest. The small object bounces stra7dj.e xo k;k9/v 9omwkight 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 i9t owmowtk*rp 6q6 w7.ce at 4.0 m/s to greet your friend (40-kg mass), who is standing still, wikwqo967t worm*6tpw .th 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 along a level, straight rox835oti s *dscad at a speed of 6.0 m/s. *c 8ixso3s 5dt It collides directly 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 runs into the rear of a stopped car th u rk-35zm(8k6sj ixbpat has a mass of 1500 kg and they stick together. What is kx8sr( 5i3j- mu6bp kzthe speed of the cars after the collision?

  A railroad freight car, mass 15,000 kgt0rwh 0hmxr nz+62* n;sin2p m, 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 rele 2i+0mmxnr0n h2nh;r w*6tszp ased. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligibjpcmpv+de2*t/scd:-of f0v -s 2qq -yle friction on a horizontal trs vdpcf-+e :om/-fqsv- yqd22p c*t0jack 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 t-xh3*-kq a51gu ra lllhe rate of 0.80 m/s (with respect to the *a5-lu -lhr kalgq3x1 log). With what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force sudd -+*r;lu4wo u9ds)eiw n-cj zfenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to the nw)j; i -cof4* luwe-rzds+u9object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. What is the objei d/8zjyaabi 3uh9okwznq/0-l 8 ( ju*ct's change of vel8 9iyz zh*/qja0kbd-unua /(o83lj wiocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wall and 4k b18nx9o v 357 cl);l csog9xptbynpcomes to rest in 0.20 s. What is the average force the car )3x;t ksocl bocv95x ylp bg749n1p8 nexerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along a(nvp-de2fo 7tql6g-kltl71 the same path, and attel nft7 2- ko7 1alvpdgl-(q6 the same speed. If 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*) 2lxsxj p+jg onto 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* x)pj2+jx gsl, 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-ggk (m3nih )40fbmt.jk,h he v1ram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average forc,e mkk.0bmtjvnh f)hh g(34i1 e exerted on the machine gun mount?

  A fire hose is turned on t9p/ nsbzp*)weim ,zt1 ,+zgf nhe 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 second, what is the minimum velocity of the stream needed, assuming the water doesn't bounce ba *z,pzzt,1ebn wi/f+9sm gp)nck?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minute. It ue7gea*bvz* t ;ze.*0uw)ueg falls 3.20 m to the ground. Assuming the water doesn't splash up, what av egbzutz*7 u0*w* eag;e.u)veerage force does it exert on the ground?

  A toy rocket, of mass 0.12 ze0z5t5d 9 6jozhdxt32 z.t plkg, achieves a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rt0 zdetl.zo6zx 5t9ph d 23zj5ocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in j562 r4w;u, tfuet zi3e eg/x )f3ndwuouter space. They push each other apart. What is their separation after the lighter astr6u,dx4tu;e2 nw z3)wg fjt3e f5/uieronaut 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 mxp8, qg sq3ja zk40/nxq i2::r0adhsperfectly 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 collxjdq0x/ hp24kq an:sm3rg: qaz, is8 0ision?

  A 0.10-kg object with a velocity of 0.20 m/s in 1 dlp .2ynw*i 09hpmhothe +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final vel ypnh.h*0io1w9mpl 2docity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-k85cy t 2fc7m9dm,wddig 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 bl2m7 dctf 9,mwdcdi8y 5ock right after the collision?

  A proton, of mass m, at rest, is struck head-on f0ledfh)9i9 n 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 havefl0di9 9h )efn 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 ball of m- zxxge j5bc gsk1-z45ass 100 g. The collision is elastic.zgsz5 xeb1 4-cgj -5kx What 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/s7wa4q krqb:i o (mp0j;dkj,.l collides head-on wqpr 7(mw,kjkj0;id:ao4.l qb ith 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 m/s. It collides head-on with a 36bywucw+6.:za / qtrz.0 kg mass at rest. If the collision is perfectly 6qw6z.az+twc:/u yr binelastic, 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 eqt;onap3:r(p:e nc6p l 9;d ,.fa;rkuck 7dp collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. Hpelfpap 37(9kp;c nu 6; ar tckd: ,d.r:eq;onow much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a para0ni 679xzro:59 qpwstvv9 orked station wagon, who's mass is 2m. The bumpers lock together in this headr6:ot 9 v70n avxzps riwq599o-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itself in a 2.4l a i*o kz9fdya)5+k)c-kg block of wood a rest diryod)kliz *acak 5f +)9ectly above 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 collides with a 30ojl-9f:/su a,jc4yl gr;i:t d 00-kg car traveling at 60.0 kl- :r:9ysl ;jf/ j4 u,cdtiaogm/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 east collides with a 3000-kg car 1e5sq uy74friv)x 7qtpn , e6atraveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the f) ei7ny7q ,xr5at sep 16q4vudirection of motion of the cars after collision?

  Two objects move on a level frictionless surface. Objecz9kelu : :dmun6+b;gl t A moves east with a momentum of 24 kgm/gnu :;+dl 6z9m luek:bs. 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?

  A small bomb, of mass 10 kg, is moving toward the 7p)ogl0;zmi f.usx r: +o5gd jNorth 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 amgs5.xi; z udp+oro)gl0 f7:j 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 origi6k(t qh sys *56pesiloghz l.o. h957in, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center ofzl.pil5ss *7o6h6tkhe .9( 5syohqg i mass on the x-axis?

  The center of mass of a two-particle system 0sy lu(/xu k:eis at the origin. One particle is located at (3.0 mksyl ue/ x:u0(, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are posit(,.j x6 -qryc( pielnqioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 6.q((qx-cyp i,njerl 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, - x- ;h/iceu il(i,gfiand 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), anci iuf, x-e- iil/;g(hd (2.0 m, -2.0 m), respectively. 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-k,llsc8 1unpe 5g mass is positioned at (12, 0). 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 local se1n5c,pu8 lted at the origin, (0, 0)?

  Use Table 7-1 to calculate the positi*avqdsqdsh2 4h m l8.:on of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the person is 1.60 m taa 4vs 8.hl2m *dqds:qhll.