What is the SI unit ope6o1bsq3uw n x 6;df2 rd79sgf momentum?

  When a cannon fires a cannonball, the cannon will recoil back +u rp,huszrfqe *.o16ward because the

  A freight car moves along a frictiv5a :.on4id)uvve ko7onless level railroad track at constant speed. The car :o.75dv nvavk4o)eui is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a ss el q-cw8li 79sl(on;led while sledding on frictionless ice. What happens to the velocity of the sled?7l 8lo-csnse; qw (9li

  A rubber ball and a lump of putty havlt 1c,u)py .iee equal mass. They are thrown with equal speed against 1iy ) pe,c.utla 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 i z*ljc7 9nmo;ezd*ph +s moving with a momentum p. How would you represent its kinetic e z*cn9pjm +eh7;o l*zdnergy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic )excstu+x83 m;a 2p j+tnvc31 sq6cerenergy you gave it in the previous pitch, the magnitude of itsrucsnta )3 3t +p ;81+2xsxc qeev6mjc momentum is

State Newton's secon-ob y e yc--q,7zgrtzkq i 11necbi2j9li+4j+d law in terms of momentum.

State the law of conservation 0eqmzi-fm /1s of momentum.

  The area under the cj2vyayd 3. porpry5kl408vd(u 9k) dgurve on a Force versus time (F vs. t) graph represents

  Which of the following is an accurate statementws 49pdd-2flb?

  A small car meshes with a large y1yui 3 n 2n1q7osa3xqtruck in a head-on collision. Which of the following statements concenq oyyx13sq 217naiu3 rning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue):asbi;:9pyklpilx 1 ) 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 greater magl:lxpia ik:9syb 1);p nitude of impulse during its collision with the floor?

  A Ping-Pong ball movid6(0nsubxx.ve7 kkmxi c963gng east at a speed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces bu 79x66snegk ck( d 3im0bx.xvack 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. Line,y*q +vh+ccq).srmfl ar momentum

  A 3.0-kg object moves to the right at 4.0 m/s. z8x oladg2.4x It collides head-on with a 6.0-kg object moving t a.4gxd lz8ox2o the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker9r*tfdgl/ b qx8mt15i m8g1hk moving at 2.0 m/s tackles head-on an 80-kg halfback runnifhbk/8 *8mgl5tq11 xm rd it9gng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, ifu; g/ w6.yzpvy the momentum is conserved, then which of the following statements is true about kinvzyu . /;6gypwetic energy?

  When is kinetic energy conservedz xq1x2)vc pc*?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the #5 dz*0h9 i 6cowp )rixwc0lk1*jball mo0) r cliicj* ox0d1*z6ph9w kwves away with the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collidekzb;/ -z x:nt(ixfl)c s with a heavy exert x(:;zz )i- bnxfkc/lcise ball at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in0(6jiw,k)zm / jgchws a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfei jj, (h0w/ wc)6szgmkctly elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s c r6qt4ny1crtlj+*r5 collides head-on elastically with an identical +rr5 1rct*6ytqjlcn4 ball at rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very li3alefgj2 v :;uvd4;gight object at rest. The collision is elastic, and there is no friction. The heajv2i ga;u ;l4g:3fe vdvy object barely slows down. What is the speed of the light object after the collision?

  A very light object movinp3u 3b1ssden (i*g r.lg with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The coll* (.ei13sr u gds3lpbnision is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velociv-tsy60wfxb.- bqutvx x(q. s la(m2*ty 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 veu2x - q6 0wqb-mbxv*la ft.ssx(t. (vylocity of the yellow ball after the collision?

  A very heavy object m qgxiubz*ok41;, zn3q t2-shwoving with velocity v collides head-on with a very light object moving with velocitys2 hq,u*3oti gz ;b-xqkn1z w4 -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 momentumx+(ztfa; i zy7crq24a is conserved, then which of the following statements is true about kinetic energyr +;iztc7xa yf24(qaz ?

  Two objects collide and stick together. Kinetic entqvknw4;k;q c8x)0x* m bj*bmergy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in ja1/8izw.hn:k)1 xryo itku4tll +m :a perfectly inelas1:k)zh4 o/l lu kijmntt+x8aiyrw :.1tic 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 with a large object a7yt: z i.1*2r85fl b enxs8xwz o1msygnd sticks. Which object experiences the larger magnitude of momentum change?of21ss 5yblz zxn g718i y*rxt.:8emw

  In a game of pool, the white cue ball hits the #9 ball and is deflec dk;yxo.t g0(ymp ;s4 gxfdz:+3rq*aoted 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 statemw/ 9vu*0rym 7deq/+yr)wtdif ents is false9 /u*m/dq+re)7df wr0yvi tyw ?

  Which of the followin( hs8i ld9,ox4drcl/ ng is a false statement?

  Tightrope walkers walk with a long fl6bv3/(bcgsb(8l fyqng 99z8 cnw bof9exible rod in order to

  A plane, flying horizontally, releases a bomb, w0u dq0dwoz*; which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, jq w*oz dw00;udust after the explosion

  Two cars collide head-on on a level friction-frezlw6zhleh136 a c 9t2oe road. The collision was completely inelastic and both car 129zhwz3 hcal6lt eo6s 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 par:r+ 1vaql05-gj(:n d,zuc (gkrtebiz ticles.

  What is the momentum of a 2000-kg truck traveling at :;n+lcejut: w87ahl w,ik3 lt35 m/s?

  A 1200-kg ferryboat is moving south)pz -igka t ,x)4qy.hm at 20 m/s. What is the magnitude of its mome4,ak xhy qi) zgm-t)p.ntum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum wheykq2lhprb;g 4h c2057dhv9i tn it strik97hbglc t0h;dqv4 2h2 5y pkries the ground is

  Two identical 1500-kg cars are moving perpendicular to eachd+ aj6 4g9qcpg4kyhec-zp*fcwy 6 w)aa02+pd other. One moves with a speed ofd4c w)2aec *gzc6jaq6yagpw0 k +9p p-hy+d4f 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 k8:/ r3mzllfl a 6dz53nad ibd-g, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change r8ad 5dzi /33l6blf: nm-dzalin the momentum of the ball?

  A 0.060-kg tennis ba q2z:zyspzf /kvk5 -q:ll, initially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What is the change in momentum oqkks5zf ::/yzz -v2qpf the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond.*)yzbszv/ r4l rhs(astp. 6(w The machine fires a 0.40r bz v/6slzsywth p(r a4*s().-kg baseball with a 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 capsulpu2*4mncld.wv 6 ss9v e 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 the astronauld nv vmws.*sc6249put move toward the capsule?

  A small object with momentum 5.0 kgm/s approa h*c:aq 2b1 g:-gsz+qoxe-wuwches head-on a large object at rest. The smal1oz:qbea +wg s:wqg*- u2- xhcl 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. une ;18/ tf)bijzgbb.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 movebjn.fg i; 1/ bzb8)teu off together?

  A car of mass 1000 kg moves to the right along a level, straight road a2n3 +coyw+ia ft a speed of 6.0 m/s. It collides directly with a stopped motorcycle of masy+i +2wocaf n3s 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 tha.z/a mo 0dk-oox8bxm,t has a mass of 1500 kg and they stick together. What ib,xdo ko /.8zm0 a-mxos the speed of the cars after the collision?

  A railroad freight care 52wmw7wl7nzfs / gtb3w*3wa , mass 15,000 kg, 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. Wf7wz 3e bws*ln7 g5a2/tmw3ww hat is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a horizontagh/3jt:u2 sr6nd imecue*-d3tn5 3cgdw ;bh5l track with a speed of 10 m/s. A 70-kg stunt man dre t uh d 65ng;3wi/hndrmcjue*stgcd5 32b:3- ops 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 loek k 2c gk,f7xocm+ +ra+ri2i8,w1kifg at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect to8k+2i+gki1rifwaxm 2 o ,kccr k,fe+7 the shore?

  A 4.0-N force acts for 3.0 s on an oug+lzh+z( x:;+c rdmlg;/p iy bject. The force suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces gy(gd+ lc/z;: ++iul hp;xmzr to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. Wbj+5h :dyy nv-hat is the object's change of velh y:vdj+yn5b-ocity?

  A 2000-kg car, traveling to the right at 30 m/s, collide9x01 qdnoya 0js with a brick wall and comes to rest in 0.20 s. What is the average force the car exertso n9qx dja01y0 on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back aloo/yhhmuwzb/+6)ri47 vz bcl +ng the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is +vu6 y b/lz 7b/)horz4imc+ hwthe magnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speedv y63ttb )9,zahs2sgte gd mf8 zz5-s6s 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 thf3b 69gvht zd-tez )2s8z6sgt,5myase 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,k5jh nj5q /ai,vpe,c 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 exerted on the machin ,ka5in,ecp h5q/ vjj,e gun mount?

  A fire hose is turned ed 83b90k2 ))u:zkap hngzfngon the door of a burning building in order to knock the door down. This requnkbe)p:3 a) 2df 8 hguknzg0z9ires 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 back?

  Water runs out of a horizontal drainpipe at the y0-xrs)c lft/rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the 0yt ) s-lx/frcwater doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity ofh.exe1u dg*o7pv. p*e 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket engg17h u. dexo.**eppevine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer space.3o evxt0ebq-x4y( pe4 They push each other apart. What is their separation after the lighter astronaut bxyqo pet34-v04xe(ehas moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. It collides in a p (ok vt r*,doezogvr59ygg1v 1/axq+/erfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is te9krt + qoa*/yo,5gxov/1gg1vv( zr dhe total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in.wbupn a:o( m,duy 1 ,fbgenjhptz8(3h5.fu * the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity ofu15 , (hy .*pwzdnj.3uuo(fbnmtgh pe: ,8fab the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into axv0nza k0)1*o:z8 t.fvgwc+t8ag ghg 1.00-kg block at rest. The bullet emerg0v8w)c : 8fgxztgtg.ah0vkzo+n1ag* es (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, at rest,pug(q j(l 3c+q 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 proton'+ql qpu(gc3j (s mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball o 446//oz)m(7in 3aka ydgbbitkn5cjdf mass 100 g. The collision is elastic. What is the speed of each ball i3 /(dma/t4 5)gkiz aykn coibd4 6nj7bmmediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s collke)ib(zcy 7j1ides head-onzbj7i ky1)( ec with 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 speecblp (xgq: ly-u g25.cd of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, wha (:2yux gqcl b5.gcp-lt is the speed of the masses after the collision?

  A 2.0-kg mass moving to th,9a mbd/:l6rqvbz n9 w xj.j8se east at a speed of 4.0 m/s collides head-on in a perf,l qs6d.89/bmxznvwa:bjj9 rectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocs-3 w(*6/w2n pu fpdkyvhw1yzity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock togeths*hy 1(3-wp2n pw/yz 6wfkdu ver in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s iypr :79qj.9fcrjsg 4mn a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves vertically upwardy7fmrj .9 s4c:p9rqjg .
(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 car traveli 1cmi r+ee 1*-4kzubo,x tqku2ng at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7uq *m2bxo4e+z1 , tr- u1eikck-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/hu58(tys,u bk o east 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 cars after c8y,s5 ub( utokollision?

  Two objects move on a level frictionless surfaced) p q 3gkapw4x;vc5-e. 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 the magnitude of their cp3kxa c;)dvq w45p- geombined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North w2e oz xy22iwdk,q0zh:f o, 7bnith a velocity of 4.0 m/s. It explodes into 7d,nzh 2ixo2e,0yo zbq2w:kf 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 origin, and a 10.0-kg mass sits at x -ye:mh)u mrn yut7,/+vq xa1e= + 21.0 m. Where ieunea v yr71u+-),hxq tmy:/m s the center of mass on the x-axis?

  The center of mass of axnvq91j6 6o op two-particle system is at the 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 of19ov6nxp6q oj 3.0 kg?

  Three masses are positioned a+ec.b6cl hrb6m t a37ks 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 coordia3cbc me6h7t lrb k.+6nates 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, 1.0v e5*ca9uffu*hsl9 iwcxy 3a.* ck54r m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of the syste9i.ay*f u95 c*4rkwcu fhls*5 3aexcvm?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is positiwbam/7 2hf8nr 1 exfs(oned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of the system bf w(fh7/1n8ramxs2 eof three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a whole leg inc-7 .v ts ql-/: bzdib:m(qjokoluding the foot when the leg is stretched straight out. Assume the person is 1./ b .m7:dq-z qil(:o-sbt jkov60 m tall.