What is the SI unit oy( h(+h303ymdhgs elzf momentum?

  When a cannon fires a cannonball, the cannon will recoil backward becui..f oy)a6t)mjs/o -g;q hatause the

  A freight car moves along a frictionless level railroad tra4-ta *cxz +q 0cd9y poxi6:mtkck at constant speed. The car is open on top. A large load of coacc mo 640y *kxd-zpttxiaq9:+l is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled whi+d)x an4fudsxog6 (*ble sledding on frictionless ice. What happens to the velocity of the sled g6fn(*d4u xx+bsa )do?

  A rubber ball and a lump of p d sqco9g/4vu/utty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Wh us9qv4go//d cich objects experiences the greater momentum change?

  A sailboat of mass m is moving with a n6sf),58n.nqsbrho), q 1ogftku*t*z b ,hob momentum p. How would you represent its kinetic en s)*uh)gnqo5 kfr 6nbh,ot 8s1z*nb q ,.ftob,ergy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previutll0g m03we,ous pitch, the magnitude of its momentugle,l00u 3wt mm is

State Newton's second la9 08cr 4*4pbxdekyyla4bny 3v;id.bt w in terms of momentum.

State the law of conservation (f+ccq/nkbjy+j/ ( dv7elu 7,tt* 76moimmii of momentum.

  The area under the curve on a Force versus time (F vs. t) graph *2ztsja,7pa drepresents

  Which of the following is an accurate statement?l)h q+ c m.fva.k/f0d- zfrlm/

  A small car meshes with a large truck in a epn; ir3l8bcs 90bd2e head-on collision. Which of the following statements bl8ie3 9s20pr;e b cdnconcerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and thvtbbo*; 1gee+ p7q.hye 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 impuhpqbeyv. + * ;7ge1botlse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a stationary bocx -vj 7nh3s8 yzu/kp s)1w rq7;rz.zvwling bazhzu s3)xnjw ;k7zc-pq8yr v .v1s r/7ll. 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 o k,3m3hzxle s8ther. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It co xlv 2k52 e sz9p11m3phipxdl;llides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statement m d 1sp1p2xv2xk3z i5plle9h ;is correct?

  A 100-kg football linebacker mov lxdm ,1,8tq*cgjv 6vring at 2.0 m/s tackles head-on an 80-kg halfback rvjc*, tq1 m lv6r,xgd8unning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, t3y.1t*goc+ddf t;tr if the momentum is conserved, then which of the following statements is true about kineticyddtoc3t* g.rf tt+ 1; energy?

  When is kinetic enert -krwbnqf.57 ihwipkm5hk /,o+3 qi(gy conserved?

  In a game of pool, the white cuk oe qg.53zyrwt24)a ge ball hits the #5 ball and stops, while the #5 ball mo rwt.q4g )yzog25 e3kaves away with the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rollin ss-.ugl a yxo 485jcg2k+r/hbg with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision will be, ap8gga.lb+ s- x4 kyj5o2ur/schproximately,

  A golf ball traveling 3.0 m/s to the right c5owr. ;l 1chay3o wfo.ollides in a 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 aftoayl5ofc o.;3. 1rwh wer the collision is

  A rubber ball with a speed of 5.0 m/s collih o)+f tpqctk:j208ghdes head-on elastically with an identic2p)chjqt gf8 k0+ ot:hal 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 lix1 8mmoqbt(rye (xd+wa++s 9pa ul+1lght object at rest. 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 co++t+ lx+rp (emauqwm(8oxb1a 9 sd1lyllision?

  A very light object moving with speed v crdb6 bt0 ao6+daihi28u.b wn7ollides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after th70anh8dbu6bta. iw rd+2o6i be collision is

  A red ball with a velocity of +wr))jgy +t(,kvj tk,p3.0 m/s collides head-on with a yellow ball of equal mass moving withr ttgj)j+,)vk(ykp ,w a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collidesdvbp6.j+a g/2bm7b k 81ldume head-on with a very light object moving with velocity -v. The collision is elastic, and there is no frictl7 ev 2bjdumdb6bpam18.g+k/ ion. 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, thtc txbm i3:9/dm+-y ebl.q+kcen which of the following statements is true about kinetic e d 3qkbci: l/m+-t.ytxbecm+9 nergy?

  Two objects collide and stick together. Kinetic e3cy7q ) /v(gbvapljphq f5fw: :ba,u ,nergy

  A 3.0-kg object moves to the right at 4.0 m/r 1-w:* kfrf0c lplma3s. It collides in a perfectly inelastp3 f0f:rwkr- 1mcl*alic 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 and sticks. Which odwkq mx2z(rvn . (mko3.7k q)fbject experiences the lm )kkvrz.m3wx7k2(.qfn ( doqarger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is deflecteupqjb ;z*ue2;d 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 is falsr*+;ni*tan k de?akidrn*n t +;*

  Which of the following is a favp1amny:gfc3u e 8e23zo-1ym lse statement?

  Tightrope walkers walk with a long ty4 j3 o)thh1hflexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes g(v;jhty o76h lytw(4 before hitting the ground. Neglecting air resistanhv yoh(; wt(4gj l67tyce, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-y)eh -eaar 812krpxw9on on a level friction-free road. The collision was completely inelasti2r yhar-1xapek)e 98wc 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 forj iv ke.mcd m/6o(0j9d a system of particles.

  What is the momentum of a 2000-kg tru isg/1tro3)z8qa:/tv ,yomb 4wwi+ bl ck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magniu q21f:faxnn1un 9 lw+tude of its mom n n u9qwn12x:1faulf+entum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its; sqwk 8(jyo3srl.m7e momentum when it st rks;(so l.ej qy7wm83rikes the ground is

  Two identical 1500-kg cars are moving perpendicular to each othpn5i5xum7mo2) w ce/rer. One moves with a speed of 25 m/s due north and the other moveemwimr5x7 u/5c)pn2 os at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizont+4s8 gduc q358ufxplrally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the momentum of the dxg 8sqcru5+83f p4u lball?

  A 0.060-kg tennis ball, initially moving at a sprx qio)iteju61e8fb w+. -l -xeed 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 iixe.t-f-ejux) wo rbq 681l+momentum of the ball?

  A 50-kg pitching machine ry8mlv;q+ xt:(excluding the baseball) is placed on a frozen pond. The machine fires a 0.vmy+8tr:l;x q 40-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 outsi6q,w bexlo ;3h. -oagade the space capsule and is stationary when the tether line breaks. As a means of returning too 6wa.e;hqg x-lo3,b a 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 astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a 79-h ,8kx c t3 bcko;hleg msoi7xas:)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 objectshbc l)k9 3: ;ih a8g7e-cmksoto x7x,'s momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kg mass), whoivp3k6(, +hf5k. rva kssaz;p is standing st,har.35;iask v(p +skfz vpk6ill, with open arms. As you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg mo zgq;4g,ma 9efves to the right along a level, straight road at a speed of 6.0 m/s.m4 9g,zgafq;e 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 t,1nnb3u-1rz -p b ,ftz onk6-vgxjzq:he rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars k- zt-o ,nzf:q rxp-bn1v 1,g36u zbjnafter the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coastzi 18 3sgy4wxr sa//ug 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 br8gy xrw1 a/s/u4i szg3akes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a ho, nomcrsyd 4:.a.f( tnrizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a fyt,4 c .:na(snodr.mdistance 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 the ra;7)bx)sptsj b4(d px ste of 0.80 m/s (with respect to the log). s t)bjsbp7p ( ;)xd4xs 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 suddenly increases to 15 Nnx 5u*;3wwtql d m/vq3 and acts for one more second. What impulse wlv3wd;q3*uwxq n /t5mas imparted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. Wpqjex/pq 29b2 +d i,aihat is the object's ax pb+d2ijiq ,pe9q/2 change of velocity?

  A 2000-kg car, travelingzyv h8qt1gqd9ox 4 ( hxp),3br to the right at 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is the average4 8yg q3rzdp hxh1( x9)qvbt,o force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the bal26etk0 sq3 zall back along the same path, e tk2q0szla6 3and at 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 onto a table top. The speedlapb- ty*ki j+ e38y2ss 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 tab8s -l+3*tya2iby jepkle 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 h jxoecb8 *f:+k 4h6ytkg, fires 50.0-gram bullets, with a muzzle velocity of +8 hytf*6obkjche: x4750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door o qz76 oamf 43q)f0n47t igd8qctfaud*f a burning building in order to knock the door down. This requires a fo7t m4*80 d fgatfd c4uni3 zqf6)aqq7orce 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 theiz+8u k4hh*lsqd 29lh6q(z we rate of 120 kg per minute. It falls w2*h6+li d48l9e (zuh kszq hq3.20 m to the 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, achievlfk4 0iac 3tj-f:p, j 5;unoa7m yg:iwes a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket engine exercg ;ayowu,fn730il jmpf- i:: kaj 5t4t?

  Two astronauts, of masses 60 ksxg+d 2;;nw/oq rab3arwe /lvlp:9 *s g and 80 kg, are initially at rest in outer space. They push each other+/ gln293xsdp wr beo a:raw; s;lvq/* 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 2.0 m/s. It i q8nc 6qq2xd1z3py, eg ktp(tq,b, 8acollides in a perfectly 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 co zq ta2(18pqq3p,bdx,,n6kiq y8 tgecllision?

  A 0.10-kg object with a velocity of 0.fc35dv cno o1hcl qw.02 d,rx-20 m/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 0.10lfc ov,hn rd13d2 c-q5.x0wc o-kg object after collision?

  A 10.0-g bullet moving at 300 m/s 3:vf0 9n;v vv5rrsok)f bijj)is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half;njj:f v )fr0rv3 s9ok vv)bi5 of its original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is sap12kh mmxdx j5+:zi*truck head-on by an alpha-particle (which consists of 2 protons and 2 neu:diz xx 1mka+5m2hp*j trons) 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's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball o7dtagi+gdw /vzm08tv(* 61 mx3lspokf mass 100 g. The collision is elastic. What is the speed of each ball immediately afterokd6mvp( w tvl8a+ix*3t gm/1 0 7sdgz the collision?

A ball of mass 400 g moving toward the east with ,f a,tvsr0n9 va speed of 3.70 m/s collides head-on with a 200 a,,v0 rf9 svtng 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 wnk68k cm-a.e ropc .9vjz:/y3.0 kg mass at rest. If the collision is pejze mnv:wk8ocya k.r/. 96-cprfectly inelastic, 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 collides mh,.dj54xnw -+ eugk a zlr;(pzw/la4head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinet /agl 4upkhnmda+,.lwzj4; x5(-ez wric energy is lost during this collision?

  A car of mass m, traveling witg3ovtpy 087241 d rvvzb3ugpf h a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic couog 3gydrvv7 10 2pbf vz4t38pllision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction 1ych h/w(+qtd buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the but1 d qcyh+(hw/llet/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 fw1o,;az0sp02w lqf sat 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The twoff as l1w;wo0,sqpz02 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 t0-by6aq1x;eaob)* i-jjtzp braveling 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 carsepbyjo;b*zjib1 -0a)6q t xa- after collision?

  Two objects move on a level frictionless surface. Object A moves rfvi*8e c4r k)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 combined momeir4r)8c* ekvf ntum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity km:(+b,nf hfa of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment movf +bm(f,n hak:ing 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 orig 2c-rfjgw zekh2fn;15i ,p9q ein, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass on thei;cr-9 pqjf new1 eh,25f2gk z x-axis?

  The center of mass of a two-particle system is at the io5dai v 40(zoorigin. One particle is located at (3.0 m,0 (oz io5ivd4a 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 follows: 2/p1csm b/ q 2,wn:xcjj.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the cnsmc/ xc/j p:1qjw,2b oordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and ):hfhfi-3jv q3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2- )hh:fqv3f ji.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 (0sn jipl(i*n. /ys:b2nr4dc7r , 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 red/ n4:j 2 nyrr7 i*blcsin.ps(sult 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 who mt vl,n*wji8d;8u*/ xm0fzy ifj hp6;le leg including the foot when the leg is stretched stra8xvu;0 m ym/h; 8,fjtl6djpzf**niw iight out. Assume the person is 1.60 m tall.