What is the SI unit of mzr,hob,q1eb 7fa*k4d1mi tm / omentum?

  When a cannon fires a cannonball, the cannon3ef hfk )a:- te,k5cqh will recoil backward because the

  A freight car moves along a frictionless level railroad track at constant spe xk 28ae iqff8;bx.q8ved. The car is open on top. A large load of coal is sxfvx 8.eqa;k 882bqfi uddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding ohdjarey4) *t5e,s09h:h edrs iu3ps *n frictionless ice. What happens to the velocitddhe,jui :h 5r spsse*t0hy43 *9re)ay of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown with equal c. 59b.6p zco7kcb og la(9s d2gq:lcrspeed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which objeca.97dbp. zkl(5 c 9b6gqc 2c:glocr sots experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would you reprl7tl)uz2lo jp, 8*qk kesent its kinetic energy in terms of these two q jkztu2l8pqkl * l),7ouantities?

  If you pitch a basebana- al2nb5j-r*p z/ dsll with twice the kinetic energy you gave it in the previous pitch, the magnilr/bp -s2nna-ajzd*5 tude of its momentum is

State Newton's second law in terms of mxdcrbt7sf-3b ph ):7aomentum.

State the law of conservation of 7qppakok y;ps2n, yp+.xx4;8y/ogl.hi q 0ug momentum.

  The area under the curve on a Force versus time (F vs. t) graph represe d m/bhrprvo 31vm:hhvcj1j2 usl077j+xaq;3 nts

  Which of the following is an accurate stateme+v(x 5 usv2capnt?

  A small car meshes with a large truck in a head-on collision. Which of thvla l 3ro x2h7wel*d4:e following statements cl 3l4xlohva2r:w 7* deoncerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the 6c**bwc eg.vq bz- ppcy) zv)6other blue) are dropped from the same height, and rebound off the fyev zz6*6*p-)cgqbc)cb w v.p loor. The red ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving eae :c8)ix )thjust at a speed of 4 m/s, collides with a stationary boweju): )8x tcihling ball. The Ping-Pong 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 b b;d+ bjvpl40momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on witomqj1v3 r/gqd4k*uv fc0t(; g h a 6.0-kg object moving qr1 q g4kd*gtfv u30jcv/om(; to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles w1t7 jls8kxj: head-on an 80-kg halfbackt:lw8sj jk1 7x running
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if u1 cqc9c2,t pu3wlav.the momentum is conserved, then which of the following statements is true about kinetic e.tw, 1uc c23p9alvqucnergy?

  When is kinetic energy conservxqa5a,*,z0bg- ecn mhed?

  In a game of pool, the whit;m8ufxub e t:3e cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball h fe ;m8x:ubtu3ad originally. The type of collision is

  When a light beach ba/w8ze eo*7mczw )ex3lll rolling with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed 8)mew3wzec7e zx/l*o after the collision will be, approximately,

  A golf ball traveling 3.0 7o* vjd)pf:sqm/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfecvsqj dp* 7of):tly elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on elasticalyqbp,2 (at ep +pf4kae109ih k9kza5 tly with an identical ball at rest. What is the speq 0(a t k+iyt,apppk9kh2b15za4 9fee ed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very 9 vcj6 ,smlzjg6f)cv0light object at rest. The collision is elastic, and there is )lc,f6zs0 vcm6vgjj9 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-xpl c)wqyw23 speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is awx 2ql3-wc yp)lmost perfectly 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 weou*l:7 90f:kqmdtdlow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collisiondm*7k fl: dw9otuqe0 :?

  A very heavy object moving. :z1jops/ tjtcymc loec-k rh3 z61-u8 4o7xu with velocity v collides head-on with a very light object moving with velocity -v. The collision is elau uzc1h:/jy8k6ct7rc-o4p x 1-jolz.3 s toem stic, 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 momentsqm grn97391 s dzl2hqum is conserved, then which of the followingd3nh2qgzqm179s lrs9 statements is true about kinetic energy?

  Two objects collide and stick together. n (uye* f g eepg(*tn8m5wd:-l Kinetic energy

  A 3.0-kg object moves to th)p pqn 0dadr4(+ :-ocds+ az4hsek,she right at 4.0 m/s. It collides in a perfectly inelastic collisiondndhpsoea-sr +4 q )a+ :0z4ps(,dhkc 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 x tv ).zc7 w42mlam9ifwith a large object and sticks. Which object experiences the larger7xf9ct.vlmm)w zi2 a4 magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is 4 mkm mtgm-jiv39j64 jdeflected 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, Mdzq5a*/6infgkrqi ; ;nwhhdmc 8. 8 m3 and m. Which of the following statements is false8/i;h. ; w q nkm 63d*rmhzf8qiacg5nd?

  Which of the following is a false sta //2x 68vy0qr1:iuo ulzkpf 4qm/evkutement?

  Tightrope walkers walk with a d2 ec ryb10pc2long flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hitting t1 javb a(z(wc j8,wxl1he ground. Neglecting air resistance, the center of mass of the bomb fragmw(,c ax(a11z8wjjbvl ents, just after the explosion

  Two cars collide head-on on a level friction-free road. The collision was8y5zzii r p/k( completely inelastr5 ( i/pzkizy8ic and both cars 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 op 8r n4)ure8vj8p6god f particles.

  What is the momentum of 3bjz1a5p1x47pdvrl ja 2000-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. zg ;g*rac-e ej 8)mx.f What is the magnitude of its momentumgjmex-cz) gf;ear 8 *.?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentudd.a gmz.)t7k m when it striktd kdg.)z. m7aes the ground is

  Two identical 1500-kg cars are moving perpendicular to (umij t0k0nc* each other. One moves with am0*cuki j0t(n speed 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 ee+b xg77np;w kg, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the mew+g;e77 bpnx omentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 tg+ +p j3cztukbug-1; m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What is tuptt-1 gkbgcu+j 3+z;he change in momentum of the ball?

  A 50-kg pitching machine (excludingmga73fmi 24go qi v*6l08rfxw 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 pitcrma2 f0*wii63mlo vgx74fq 8 ghing machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and is stationvlau jxr 3 :6fq/2 7wrpna)ez6b (to:nary 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 ast2r ob :env(wjx:lq/ fa7nut p66 z)a3rronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approachejz*y1wkvq, z cb k9v +k7./plvs head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentum chvj*9cbkv pwk y7,1q+/ lv.kzz ange?

  You (50-kg mass) skate h;-3ki:q kidx)sond e--m0r r on ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with opn;e - -d:qi3omrki0hrx d-)ksen 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 ub0vq+u vnfi,f-f) p2right along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What if 2vfb) u-q un+0fi,pvs the total momentum after the collision?

  A 1000-kg car traveling atl0rb mvblzs *d5k7 /p( 25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the v 7zllpk0sd(br b5 */mcars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level track dm(+t oac3 -eyat 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. What aoy3m+ (e td-cis the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with o.(vpb6 eaxv(negligible 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 afte( xvb.6eo vap(r this happens?

  A 60-kg person walks on a 100n9nbbk1r + g.6tvp0mj-kg log at the rate of 0.80 m/s (with respect to the log). b.nj +t b0r9vnkpm16g With what speed does the log move, with respect to the shore?

  A 4.0-N force acts fo z qjukn+z2.h/r 3.0 s on an object. The force suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to the/+zz2ukq . hjn object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. What is the objecff qaz,za26i3:w5 13 kommgljt's change of velocityga35: o,a13f6lmzzqmj kiw2f ?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick walujzn8)bav+ +.wflr wqu2/gs ) l and comes to rest in 0.20 s. What is the average force the car exerts on the wall?qbgwwus ) ajvn l+z+r/28uf).

  A 2.0-kg softball is pitched to you at ++ mb0jswx)bi f6cgr320 m/s. You hit the ball back along the same path, and at fx6bb 3is0m+)+rgjcwthe 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 onto a table top. l 6v27jeatmqn5 )dl4 gbc em)*o5nto +The speeds 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 the ball and the table top lasts 0.dvqe)n j o)gm5clan 2 7tt*m5+lbo64e15 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 ziz oie7d/i9 f,zd.w+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 machine gun ii, fz9/e+i z7dwd.oz mount?

  A fire hose is turned on the door of a burning building in order s- eq:j f-xqm nj:p/7lto knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the miniq/j:e slmj-p xnq-f:7 mum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minute. It ffysg- )y7shbx3, :m3 wxf285tzno eg yalls 3.20 m to thexs7 -,m hex2g by33gtyy5 of8wnfsz ): ground. Assuming the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achiev6bbbs ttgm;;m8 89ob ses a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust s8otbgs mm9t;8b b6b; force does the rocket engine exert?

  Two astronauts, of masses 60 kg and wb 5j*j9sjhp i23t d)o80 kg, are initially at rest in outer space. They push each ot*5)jjsd o23b hj9wpither apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.f3,aij 6h 5aa5 awg0v 2fvy,wk0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the tot 0hgv65f ,kaf,a 32wvjwa5yiaal kinetic energy after the collision?

  A 0.10-kg object with a velo r;c+l,8i l(dgyas++bejbic 6 city of 0.20 m/s in the +x direction makes a head-on elastic ci 6cyesbjll+a +8;ic+,dr (b gollision with a 0.15 kg object 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-j f.rs ;3q1zcnkg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the vefszj1;. q3c nrlocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (ee9f. m a83tucbo2 q;m/p ,tvxwhich consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed willqvet e ,mt9pcof . /m;u2a3b8x 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 dwjr et +dhi-j40ma1icd7,h1 collides head-on with a stationary ball of mass 100 g. The collision is elastic. Whajhdj h14 dt,c-riea7 wim+ 0d1t is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward 0ms/k8 1qy 3me +mkzyvthe east with a speed of 3.70 m/s collides head-on with a 200+ 3z8 mms1vqeky0y/km 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 mhwfw16q /haaj+:nya0uwi -7ckt 5h (d/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectl(i a76uhf + jhnh-5t0a:wwaqycd/k1wy inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a sk:.;qv ke :dgfpeed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost dukfvg;:q d: ek.ring this collision?

  A car of mass m, travelinesog+nf 6(l5 ull-8rlg with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together ll ogfs(5rl6n -8+eul 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 buri8rqi+hqe xzg gu,pv.9hrzyif 26l(a (:o.go) es itself in a 2.4-kg block of wood a rest directly above it. As a result r.86v a gg:9i(x)e2+,hlz zq oqgry ufph.o(i, 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/htij)oe0ux f s)iz+b 4; east collides with a 3000-kg car traveling at 60.0 km/h x )zu4i sot;ej 0b+)ifsouth. 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 p5 djr,4,bodxeast collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig, ,xdbpo54 jdr. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surfacp ;;yh)*ad mtdmp.c) ue. 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 mag*yd;) c.pmah)p;tm ud nitude of their combined momentum after the collision?

  A small bomb, of mass 10sl 8rw.lf43k n kg, is moving toward the North 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 o3.kflw 4nl8s rf 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,s )tle y+4 l33 whcsoz/vm/s;;scbea*yc d+4l and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass +vm4* cca shd4 ;sbe+;)t yc/eowll 33lyszs/on the x-axis?

  The center of mass of a two-particle system is at the origin. One particle is ogkd66-djr, (sc5)3h ko bbb+mb9uov located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the v6m)5,r ocsh9 j6 +ddbku -bb boko(3gsecond mass of 3.0 kg?

  Three masses are positioned as followsl8g4 va5zecct +ev:q8: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of thv v:qzga+8 85ccteel4e center of mass.

  Three masses, 1.0 kg, 2.0 kg, anc(t ep +mj+so 8kk-r9id 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. +(o9 tkps-+ci r8ejm kWhat 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+*jwztd7m)g6+ h lugvg mass is positioned at (12, 0). 7z)ut6mg* vj+h +d glwWhat are the coordinates of a 4.0-kg mass which will result 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 o :sn djlyp :n5.w8d6znx)( ngof a whole leg including the footdn: gzjdsxwlo.ny nn68)(p: 5 when the leg is stretched straight out. Assume the person is 1.60 m tall.