What is the SI unit of momentumux 9lbda78n o(4p, lmn?

  When a cannon fires a cannonball, the cannon will 5 *;nu)p/n.d1osj4 e5sqhocaekok u 7 recoil backward because the

  A freight car moves alo4bjtcku pste/ l3594dny1rm2 ng a frictionless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly d4l9tenbyk1 md35ucs rjp/ t24umped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionles zfs1zu, ff) lhe(tlib7/* 3yzs ice. What happens to the velocity of the sled?zt,z* (s zf3 b)eyiu f/h1fll7

  A rubber ball and a lump o g*vxad/,()c-rziv+on kx6qxf putty have equal mass. They are thrown with equal speed against a wall. The ball bounces back w,kxq/zrgoi v x*anv()d -+6cxith 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 +gzmx. q0r7+efn 9475elcm kkd xe +stmomentum p. How would you represent its kinetic energy in m etm4s f 0d5e nrzle 7gx7qck+.k+x9+terms of these two quantities?

  If you pitch a baseball with twice the kinetic enevyiz187 t pd 2ap,wf+orgy you gave it in the previous pitch, the magnitude of ii8 fdv12 7w pot,zpay+ts momentum is

State Newton's second lnt ua n: 5rc7re+05t6n*g rxe0dlvc.taw in terms of momentum.

State the law of convccxnyup8 ;p*5t ,us4servation of momentum.

  The area under the curvqbnp+c uokk4, :v i5b;e on a Force versus time (F vs. t) graph represents

  Which of the following is an /ejok;:f gtb4accurate statement?

  A small car meshes with a large truck in a head-on k nqqd0hno) 1(0ui5 :)rdlpbp collision. Which of the following statements concerning the magnitude of the average collision f0io 5 p(lk:nbqu )prd0h q1nd)orce is correct?

  Two equal mass balls (one red and the oth:e w+pz1lv yn*heu/l4) (uv jher 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 impulse during its collision with tlp yhvuu)/+ (j *veewz4:nlh1 he floor?

  A Ping-Pong ball moving east at a sfr*u:k+frax sb8a ) k*peed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the wes uk:r8 f+fkabax*sr) *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 off eacg:f9b cilvkz n/h, /+kh other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on epy5u(bkq.cv1gn:r 7 with a 6.0-kg object moving to the left at 2.0 m/s. Which statement is corburn q5 e gy(k.p71v:crect?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg halfs)c*quq 0r;wjback run rqs0wu;q)j*c ning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentukf+j*.a.mck s m is conserved, then which of the following statements is true about k..+fka s j*kmcinetic energy?

  When is kinetic energy con8tv l 2bi+ds9cserved?

  In a game of pool, the white cue ball hits tt9a;pp.b4n bh he #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of collision is 9tpa4pnbb;. h

  When a light beach ball rolling with a speed of 6.0 m/s collides with a heavy exg+ riuw.-axkz. w1ll :ercise bg+wkx r1.:. -wail zulall at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right co;6hr8mx tm8 wkllides in a head-on collision with a stationary bowling thx8; mrw68mk ball in 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 l 4eze. ra4.cehead-on elastically with an identical ball at rest. What is the speed of the initially stopped beez 4calre 4..all after the collision?

  A very heavy object moving with speed v collides head-on with a ver+x i k-mz q:olf*/wqc+y light object at rest. The collisql:o- q+ xzim+cwk/*fion is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v collidesxcn 17 7olmq7o head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfe 17 oxl77mqoncctly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yel 7sxw-wus4cjqmnp)pq0n at4x1g- d70 low ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow u aqd4 mx)7-0jt- 1 wx7gsw pn4cpqns0ball after the collision?

  A very heavy object moving with h;qp2txa62 jr velocity v collides head-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 jr 6hqp2a; t2xafter the collision?

  In an inelastic collision, if the -f64z/sqvt,n 519h got4pnyy 0sf gsi momentum is conserved, then which of the following statements igf6stinpsy4t g/o49sq5yzvn , 0f1h -s true about kinetic energy?

  Two objects collide and sft(15h+ns mbz tick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It co+/ht8 z pqn u:bam3l1bfin6jz:)xue6 llides in a perfectly inelastic collisioj:m/zu6pt6a+qe1f8nx: ib)uh3zn bl n 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 o 2g/ey1pzu 6dubject and sticks. Which object experiences the laru/peu6zg1 yd2ger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and 7x czyn/zi4:04x gw kgis 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 ,)4v me)i rjs 3eg-xkwm. Which of the following statements is fals3))-im, jr evegsx w4ke?

  Which of the following is a false statem2zgl 4 6ywyw(uent?

  Tightrope walkers walk with a long fler.ytmyqw -z9qi+*m,c xible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes 7 r 7 7a vtyhz3y7h,/fga(-iraht4foe before hitting the ground. Neglecting air resistance, re3 f fo,y4 7y-zgath7h7v h/(ria7tathe center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road.2h5s3b kwfvwe 54mg3b The collision was completely inelastic and both vfww32ebsm5 b h5 k43gcars quickly came to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's secon-hh8h6zik e1*8iyqaq d law for a system of particles.

  What is the momentum of a 2000-kg truck traveligq.) moj8 mn0yng at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magn 3qo4tx3( picq2 l)jujitude of its momentu4 l (oj2qq3uc3it )pxjm?

  A ball of mass 0.10 kg is dropped from as5urbfbe 7 clz8*/4mjdb2jg + height of 12 m. Its momentum when it strikes the groun r me*2 jb 5lz8gubsbj4cf/7d+d is

  Two identical 1500-kg cars are moving perpendicular to 30 2vh2cfg ttceach other. One moves with a speed of 25 m/s due north and the other moves atc023c tvg tf2h 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally atp ;kl: q1hwj94-ifqym 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the -q9fl4 :whk1jipq m; ymomentum of the ball?

  A 0.060-kg tennis ball, initially moving atb vv7-wzk eicu 8e;0a1 a speed of 12 m/s, is struck by a racket caz;cwv0 a8e- vk i7ebu1using it to rebound 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 (excluding the baseball) is placed on a q 0khka/.3sm 1nphelydfq524jz4 5w ofrozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speedmke1o4 k n20dq wh.35z4f pq/y 5jlhas of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is spa tpda51cmv*,y rtfex q24j11 vce-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 t1a,q2j 5ect41 dvxv *yrmp1faway from the capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches he59:gu ig 5a+geh, pxbfet45pzda5u/pad-on a large object at rest. The smfgh9a +4uxg5a ge p,b55 p izueptd:/5all 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 ic-+(k2 prnp xere at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open are2 n+prk-x(rpms. 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 road at ,xp,e rgla.u( a speed of 6.0 m/s. It collides directly with a stopped motorcl,ur gp.,x( eaycle 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 l) a95p+fsem 5la(xli5d w4+sq2qop lof a stopped car that has a o5)5l29p4di5+ laels(qa+fm w qslp xmass of 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 alloweeein 26a(4qtu d to coast along a level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg 4e q (6utaein2second 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 frictioxg0/rf;mcz/x7s: qhv mk d91hn 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 w97 /hh;r0zcqxf/gs x1k vm:md ill the car be moving after this happens?

  A 60-kg person walks onazciw5 wo/ pn;y90ma+ a 100-kg log at the rate of 0.80 m/s (with respect to the lwinoy9 5/; mzp +a0wcaog). 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 gwhcy/jh qsi;7qp8-6 f91rojforce suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to the objego 1qjpy9hq7-j; 8fc hs/ irw6ct?

  A constant 9.0-N net force acts8s7-ybro3r osak9 s*k for 2.0 s on a 6.0-kg object. What is the object's change obo rk*y-38sak ssor9 7f velocity?

  A 2000-kg car, traveling to the right at 30 m/.4u rwk8h.8 (u gxt08x fypqrts, collides with a brick wall and co8y4 qh.ftkwupx (.t 8xgr8r0u mes to rest 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 his n: ap93xmid*t the ball back along the same path, and at the same speed. If the batnx3*sa9: dpmi 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 ba9ko0o f.vmo,c ll right 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 table top lasts 0.15 s, what is the magnitude of the a.o fk,coom9v0verage force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bulle9ha*gwju 1)wz ts, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average for)*9u1 jahgw zwce exerted on the machine gun mount?

  A fire hose is turned on wea:s t3) .bfa4zvjbo;i4 /jnyp (2eq the door of a burning building in order to knock the door down. Thasaeqivb;2 ozp3/fj:btny) e. j 44(w is 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 back?

  Water runs out of a horizontal drvkjz gmi3 .n4f--ch:l ainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on thehm-z nljg3:-f.c v4ki ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of n 7z698zv+hhhm* dyleb 6 p6g5q(cujh40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket engine exeg q8ndhm566*vh z lyz+j7b 9 uh6ep(hcrt?

  Two astronauts, of masses 60 kg and 80 kg, are ininah/*:kg sh; ctially at rest in outer space. They push each :/; gsn hk*hcaother apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to tc :0gmqk*k6bnai2 ;wi he right with a speed of 2.0 m/s. It collides in a perfectly elastic cola n26k* mg:cqib;ikw0 lision with a 6.0-kg object 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 ve;v(- hhr de1qblocity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg obje; 1r( -ebhvqhdct initially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. The bm 9zx r lbn526*wwa8varb(v5cullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is tz95* waxv( wc5rvra62nbbl8 mhe velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-parti,)x22uprzqp g au/j 3-jxb f1aax4;dvcle (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 equavx;- prxb)43g1uqafajdz2 2/x,pa j u ls the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball +2f6ykzi w2d h:xzn+p of mass 100 g. The collision is elastic. What is theny :z ih2p2d++xzkfw6 speed of each ball immediately after the collision?

A ball of mass 400 g m5ovi spnt6*li:3 v1y97 tyeqr oving toward the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting atsy:9 56 7 ovltevry*3 qnii1pt 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 3.0 kgle axt)p;s3/ s mass at rest. If th3)t s;l /aespxe collision is perfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a suc)nm4 a4gbv v9u zf,efv ac4)/rjq30 peed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kin f r4avcuf) nv 3)jeqzmc,g9 va/b440uetic energy is lost during this collision?

  A car of mass m, traveling wi ) hn1o6t h3gqqwgma1m((mtr +th a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in tha6h3(t gto qg1mn(mh+1)q mwris 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 veu ej pq.0.q*okrtical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a re pko0u *.eq.qjsult, 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 90.0i b.s.;i* ajdv km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the cosb*; .id.vij allision. (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 wfbf/wgu xt*vm-b.;,,)up iq rith a 3000-kg car traveling at 60.0 km/h south. The two cars stick together ait;ubgf u q,vbmr,f)pxw / -*.fter the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionl/-jq;;h 6wkiq3f2l oabj*ogb ess 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 the mag3fq o;;wjb*l /k oa2hjq-6gbi nitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the N:mq ( byfg5i,torth 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 mass of 1.0 kg. What is the velocity of the third fragment? (Neglect5f g(,imbqyt : air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits kpt ggisz6l7afv24tr ,w;s j:a0v2d 8k*w(qsat x = + 21.0 m. Where i0r k8 ksv*4qf (v:7w2swad;ttj,g6 a2 gpzliss the center of mass on the x-axis?

  The center of mass of a two-particle system is at the origin. One particle iai fz1a;,h*,-pozn5wwjfgq-9tv jr+s 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 kg,jthzp+qf; rwja-no,w ga 1v9-*5zf i?

  Three masses are positioned as followal2q6mqh 0l a9s: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Deteq 6al9a lm0h2qrmine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located a0w2,+ oywb8 pjeapdu8t (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 aed0ub,j8y p 82o+wwp 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-kg mass is positioned :(: bfiue/ z.rmld)zwat (12, 0). What are the coordinates of a 4.0-kg mass which will result b mf:z.d rzi:/we)lu( in the center 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 whole leg kn* 3hxvs0w4fincluding the foot whf0 xw4*k3vsnhen the leg is stretched straight out. Assume the person is 1.60 m tall.