What is the SI unit of;ljlrg* z2p-l03dazd momentum?

  When a cannon fires a cannonball, the cannonvup,shf ,qh u 1/u*a;t will recoil backward because the

  A freight car moves along a frictionless level railroarma7nwx// l/ s l(t0ho( x2cayd track at constant speed./ltx/smlna07 oc r(a/xw hy2 ( The car 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 sled while sledding on fricl.z *uzp920mg:,i9aw jn bz nntionless ice. What happens to the velocity of the sj *m :azguwznb 0n,l.z2npi99led?

  A rubber ball and a lump o*gw 8s)qfvo8wf putty have equal mass. They are thrown with equal speed against a wa*)w fo8wgqv s8ll. 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 is moving with a momentum p. How wouldags5 r5oe1to7 you represent its kinetic energy1g57 5oraoste in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previw 1qwqi h:gkp97j/ u5di f.c5v z5we0kous pitch, wk1vki./ 5d 5qu9:piqgc5jz0e7wwhf the magnitude of its momentum is

State Newton's second law in tq0cywet 9 b9r)erms of momentum.

State the law of conservation of momqr.01j vp:/oj-mk j*uc c y5uoentum.

  The area under the curve on a Force versus time (F vs. t) graph represent5;hvv8 y, ,uyn/1c tll4zg zwts

  Which of the following is an accurate statement? n.l0;i3ae2(p xslq lr

  A small car meshes with a largo0g9,* dsqggf e truck in a head-on collision. Which of the following statements concerning the magnitude of the average colqdf* ,sogg9g0 lision force is correct?

  Two equal mass balls (0ltklw8ay) y 5 v.u(lione 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 greater magnitude of implkiv(y85u 0l)lywa . tulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a statics(*x g;nuo4 avt.fazwj56- 8a*zyh wonary bowling ball. The Ping-Pong ball bounces back to the wes jaagt(5 os.4*wnuf68z;x ah-wvyz c *t, 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 o:g7pu jwbn: dvtn1pfp 30d 3e*ff each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/ 1oonthtu/mq0(:ve.)hlh r i-s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which stati/ m hh(ntq)tul0 :v1oh-r. oeement is correct?

  A 100-kg football linebacker moving at 2:qoq-rqu6g 5e z5yie8.0 m/s tackles head-on an 80-kg halfback r8:g55ozeq qu6 i-qye running
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 t fju2 ss)14inshe following statements is true about kineticu 412fsjs) ins energy?

  When is kinetic energy consegi a(46y w3)pnu8exjh+v d:i zrved?

  In a game of pool, the white cue ball hits the #5 ball and stops, whileyv b0vg .rfihl4gs)xt3utq4- + ; kdzjj8/k:k the #5 ball moves away with the same ve.zskx ib-+d4g)t/8kv;fqv3jh4gjr 0uyl k t :locity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a nv:e b/o/4aa z/bev6fspeed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed afte //aoev6ba/bfvn :z e4r the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in azi 55;cnyf s9o head-on collision 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 colysc5ozf;5n9i lision is

  A rubber ball with a speed of 5.0 m/sxq q9ziiji2 1 6ygsd,p.w38 sh collides head-on elastically with an identical ball at rei29ixywg ip1, 6.8qss3 qzh djst. What is the speed of the initially stopped ball after the collision?

  A very heavy object 3w:dqnzwet;zdhe9 9qlp5(v6 moving with 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 slows down. What is the speednlzwtw5 q6d ;h:eq99 dv( 3epz of the light object after the collision?

  A very light object moving with speed v cs oo93y4r r5,jlq(bvw ollides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed o5(q ywlsoo 9r3 v4jb,rf the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yel1v w bn1uiu/;ulow ball of equal mass moving with a velocity of -2.0 m/s. Whatiuu/vu1;1n wb is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides hi;)fq9:poyf.5d wwdxead-on with a very light object moving with velocity -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 cfx)w9oq:d.yw; p5 fidollision?

  In an inelastic colliskw(mbl (4c kwf7xgs8:+u2 sbrion, if the momentum is conserved, then which of the following statements is true about kg+rwm7kf4b8 cb2xks w(ls(:u inetic energy?

  Two objects collide and stick together. qh1jwtt62fb(+xr unog( em33 Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfe-m.z-36ga ws el9f h 3otqtt:sctly inelastic collis-.ag6qw oz39ts lh f-stm:e3 tion 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 and sticks. 2hnl5 (c 5oj( r tsk4ph3ucgi7Which object experiences the larger magnitude of( cgnk(5uj7c 3si5phlto 4r2h momentum change?

  In a game of pool, the white cue ball hits the #9 ball an4c;ube6tw x5a0f.9ats 1r oag m(gyl7d 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 63ek( wk7h sublji03q 9bloir+lokji9-.dz;of the following statements is false?k.- 7h (l9+dlkqos3 b63ikj; ziboueijr09wl

  Which of the following is a falsd6ts9am cx 95n.b8 /blgwjtb2e statement?

  Tightrope walkers walk with a long flexible rod in order todi/olali/ 5( r

  A plane, flying horizontally, releases aj)5g 6 6j jr2*kcc)fv yu7l ju*fzgn3y bomb, which explodes before hitting the ground. Neglecting air resistance, the centkc)53 y2frj znc6v**67g ) ylg fjjjuuer of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road/:zcntd p9tqd .uzrh x vae:(e;+w+-f. The collision was completely inelastic and both cars quickly camez +f dp;tex a/w9qh revzdcu-t:.(n+: to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second l/j)onrvq5q s *kb+p*(n3wgo paw for a system of particles.

  What is the momentum of a 20 yz h4o(ja7oj000-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What i3r 7m awtu(i0n2w8yz/d orm 7qs the magnitude of its momentumtwawdr/3q7zr 7m uon08 y(2i m?

  A ball of mass 0.10 kg ixv w u k68g m/w4.yt9vrzi9jrlg e28d8s dropped from a height of 12 m. Its momentum when it strikes the ground iky. 2r94 wrmx68/d gv8 v9 8telzgujwis

  Two identical 1500-kg cars are moving perpendicular to each other. One moves wi4v562 kf wwkeeth a speed of 25 m/s due north and the oef62 v4wk k5ewther moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10iwjnq-h. wi9 * kg, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change i *w- hin9.iqwjn the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at4o y:o x6,jznq a speed of 12 m/s, is struck by a racket causing it to reb6 , j:oyxzn4qoound in the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excludhs7ph:;d ( ekoing 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(shdhek:7o;p the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and is stati,f/; yye jrxi)onary 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 c; yijxf) y,r/eapsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgmvp4 g:1;ed i 5xik-xjh/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/-ghx:jixvik4p1e ; d5 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 mass), who m5k5e84b ldn3ceg( zois standing still, with open arms. As you collide, while holding each other, wit5bel(3c gedn4 o5m8z kh what speed do you both move off together?

  A car of mass 1000 kg moves to the right t;/h)c 48zz 2hjwjgy8yw)l ffalong a level, straight road at a speed of 6.0 m/s.yfh)th8z)yfwzj /wj 8lgc;24 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/steauvk) (patp 98n z3 g(.ccym (5wmz0 runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed o.8c zaapwk3p 5my gvt(temnz(c 9)(u0 f the cars after the collision?

  A railroad freight car,v qxv 45)yjfm7blql (( mass 15,000 kg, is allowed to coast along a level track at a speed of 2.0 m/s. It colxvq(q v 75l(yj)4blmflides 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 negli i y+s *fu6w 519fvrc6/icdknvgible friction on a horizontal 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 be moving after this *+1dfyc/vf6kv i5wuin c rs96happens?

  A 60-kg person walks on a 100-kg log at the ,*leu62uds9xo gv ;vwdl2 ws/rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect to the sh xl*6w ,v2wul9/2 ugvdse;osdore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenl)uxzc3k,bvl3 4 xgt(ey increases to 15 N and acts for one more second. What impulse was imparted by these forces to the obv)( u cz3lk,gxb4t e3xject?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. What is the ob2rrue nxpb.e5ndf y+g5g x17m ,8z8r njec 2xyug7,8f rb1e+ xnn558rz.erpdng mt's change of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wall 43mgqgbxy:*dand comes to rest in 0.20 s. What is the average force the car exertxd3*b y4 ggq:ms on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the bal; 1v7*nebanp b 66u*ggica :sjl back along the same path, and at the same speed. If the bat was ibube:sv7 *cja ag6p gnni;6*1n 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 rigg,(9smqudrxub 4ek rg3/: ql1ht before and right after hitting the table top are 5.0 m/s and 4.0 m/s, respectively.ku 3/dbqrq9g1(,u xr m4gs:el 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, wij :/4.pbq igu ro/oev3 xu3u0sth a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted o q:3 up0r/ou4b /su.3xoge jivn the machine gun mount?

  A fire hose is turned on the door of a burning build ;kv3j/6jymv8ik*ja5 8 bizjqing 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 bouncei6ikjy * b3/vv5zmkj; j8 j8aq back?

  Water runs out of a horizontal drainpipe at the rate of 120 )/2gbsk oigu48nxf4g r3ae*k kg per minute. It falls 3.20 m to the ground. Ask*sgkn)34xiag2/4 uegf b ro8suming the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/sqohn6p,dof 9cfv3 h 7gk:ab95 after 3.0 s, when fired straight up. What average thrust forcenf:95kcgo 79fhq3 oavb,h pd6 does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80+si+xd t+zryi:jzw5w o-(g3 c kg, are initially at rest in outer space. They push each other apart. What is their separation after the lighte s5r:+xcdt-woz+i+wy( j3igz r astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. It 1paq-tsut*yk4ro f((3n)u3;ogrh k wcollides in a perfectly elastic collision with a 6.0-kg objectkwkauy o( nqf utr1sh4o*3g-tp3(r); moving to the left at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 5f4xfbyx lo7pnkj) 80m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after colloxny l)4px5f0fbk8j 7ision?

  A 10.0-g bullet moving at -u f2 xjw+qa-,xtodn;300 m/s is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block)t ,d+ nj-a;wxu-x2foq 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-om5r(mkpv(9q fn 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? (Assf59kq( v pmm(rume 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 mass 1.bkhsu / )k;id00 g. The collision is esuk)d i /h.;kblastic. 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/s collidev +u6vty p)voj2hm08u s head-on with a 200 g ball sitting at rest. The collision is perfectly e)v mpu2uv6vyh j0+8otlastic.
(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 hy1dc,rm-qszxe e (s k 0axd*,0dr5u6vead-on with a 3.0 kg mass at rest. If the collision is perfectly ine ,qds6d0za( rekr s0,1xeuvycdx-*m5 lastic, 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 hu,chb k/qozp,:y:pyu6d: -*u. erkxcollides head-on in a perfectly inelastic collision with a stationary 2.0-kg h.ubx/ur* pchz,oq:,-kykey d:: up6 mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parked station wagon, wu 9wip 05ahzfu6d 1q(q-9t omrho's u69w-o quiztmq95fa1(h 0rdp mass is 2m. The bumpers lock together 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 in a vertical direction buries itself id*gy/sc.k6jpn*jo, lw- l) i i0z4qh xn a 2.4-kg block of wood a rest directly above it. Asxd wlnjzykhc *o4, li/6g)i p-0q.j *s 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 3000-kg car bb39 kys kehj6gpw403 traveling at 60.0 km/h south. The two cars stick togethebshpe k90yj6 k3g4wb3 r after the collision. (See Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0qeyu k:8/cmh cfeu:;: km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two car/fu: ke ehcm yqu::8c;s stick together after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionles 9n..ncdh4x dvs surface. Object A moves east with a momentum of 24d 49xvdh.cn. n 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?

  A small bomb, of mass 10 kg, is moving toward the North with a k) mf5ixa37 mqvelocity 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 5m qx)7 ifamk3a 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-mf1t j-os: uzj *nhw i)kd+8e.0-kg mass sits at x = + 21.0 m. Where is the:ks+jtw)m f- e*8 d-h 1onzjui center of mass on the x-axis?

  The center of mass of a twou3fzv , i;w (wp8hq*od-particle system is at the origin. One particle is located at (3.w;i (ohud*wf 3vpq,8z 0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as g( e46 xd m5a9g (inayd,44yef-fxygtfollows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determit (4-y5x xe 4agyy9,n(dgdi4gf6 mf aene 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.(pst+ (-x cn8dv/m pagtvdns)*d0g;j0 m), and (2.0 m, -2.0 m), respectively. What is the location of the c8-djp(sgntmtv(vx a; d c*n +)0/ sdpgenter of mass of the system?

  A 3.0-kg mass is positioned:a zwo;/fz6m r 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 center of mass of the system of three ma /;mzar: z6wofsses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM fc7ixi sx2/ba*7 r9 pqof a whole leg including the foot when the leg is stretched straight out. Assume the persoqxa*/i7cb7 i2fxprs 9n is 1.60 m tall.