What is the SI unit offhbse u dsz0s 9p-1x7; momentum?

  When a cannon fires a cannonball, the cannon will recoil backward (17vx9 ;cw;w zo ysm75kyl tmtbecause the

  A freight car moves along a frictionless level railroad track at constant spepvn yxh8m 74cr-(hi(m*n o m6qed. vhxn8 6nphy-(cmq47ri m (*om 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 :,vv+ohq v( m3ggvjas.af/b6while sledding on frictionless ice. What happens to the velocityag/fbv, (6g a qjv +vm:vsh.3o of the sled?

  A rubber ball and a lump of putty have equal mass. They arc bci,)a y)l ,not (mnq7uqf-(e thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty st colq7m-)uybtf i,( q,cnna)(icks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum 6by jn-4q tiw-lq1p s1d:.g :v/sa/twryrob0 p. How would you represent its kinetic energy in ter:g1y/-psj0qrrq4vo/ s by-.:il b1atwtwn 6d ms of these two quantities?

  If you pitch a baseball with twice the kinetic energy :ck(9i:jilv fyou gave it in the previousv:if:jk(9c il pitch, the magnitude of its momentum is

State Newton's second law in terms of momen0nyr9kq 6 thom 2q(5awtum.

State the law of conbta-8 fkcan9;m om9d*0 dc jby6sub41servation of momentum.

  The area under the curve on a Force versus time (F vs. t) ge72leazi*c o 0v4-cc rraph represents

  Which of the following is an accvuu s;/e en(7purate statement?

  A small car meshes with a large truck in a head-on collision. Whiog52qb9t * mtes+w55zewmg,g9algh9 /j h br6 ch of the following statements concerning the magnh gto6beheg 55agqblzm t9 w,5m gw92*9/jr+s itude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped -bujjw: s1 ts;g,fft+ c ,qr0dfrom the same height, and rebound off the floo0 cd, :f+s-qjw;f1,rbttg usjr. 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 east at a speed of 4 m/s, collides wi87kh0 .a mx rjiq9 +-usp4tkmith a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball movesaks98rtj 0iq.- x+kmp4iu 7m h very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear mfi.s jvqy;-i 5omentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a /- kfcih3rr+ s;4n eu (f9rca)-ejkwa6.0-kg object moving to the left at 2.0 m/s. Which sc -h+- 4wurfee3)akck/ifrn j; (9a rstatement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-qj-c1 m0.g ezxxzio8 :on an 80-kg halfback: j-0m ic18oxzqzx .ge running
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if thls ha1k7 ;mlig6c2bagh-b 8/le momentum is conserved, then which of the following statements is true abou82ihg /b mlaha1;-k7c6lblg st kinetic energy?

  When is kinetic energy conx 3oket5;2wzbt 7db l(served?

  In a game of pool, the white cue ball hits7a u g;*bbc7h hnw6 so8b06gwp the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had origina8w*bu opsg;67b07h cbgnhw a6lly. The type of collision is

  When a light beach ball rollsp2kp) -/ l:7xzb ngjring with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after th-zpn/xj lpk2):grbs 7 e collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a hed xjuk-cuh)oj77;3 qa p-gqd;ad-on collision with a stationary bowling ball in a)dogp-;q 3aujc7xjku dq7; h - 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 head-on elastically with an is4i) g9e)u stn :zyjd)dentical ball at rest. What i ) dten)j4 )sgisy9:uzs the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with at96 m2uzf ;mw. a w)6c2dcdpcx12uxrh very light object at rest. The collision is elastic, and there is no fric6m wh2cwdup1 ;m.u2 xaz)t2 r9cf6c dxtion. The heavy object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with +eghusvxap).(m1n*ib70vhq f s8s +qspeed v collides head-on with a very heavy object at rest, in a frictionless environment. The collise(f1us70qm n hp+qah v+gi)8 x*svsb. ion is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3 peppa( 9lmb/, onmg,s*5+u 6qatrvn ;.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is t/a,n qv pm;o n* 5aeg+pu6rp ms9(,lbthe velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head- ypxbdvc0z p*l+tnp *65n (a/won with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy owcn*/ayn(lv +tzd 6*x0pp5pbbject barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the mls 8sam/lx)xz;j k0e7omentum is conserved, then which of the following statements is true about kinetxm0a8zl j/sekx;l ) 7sic energy?

  Two objects collide and stick together.-ee;sd1o -mj0, lkglgoeh h 6y v3 (v35alujj- Kinetic energy

  A 3.0-kg object moves to the right at5o ag0*-9xak.q fxxb t 4.0 m/s. It collides in a perfectly inelastic collision with g9fakb oxq-0t 5a.x*x 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 wl3bf w;xq03 hd:zaj50r3e ohyith a large object and sticks. Which object experiences the larger magnitude of momentuj rwl ahe:3f0 ;x33dqz hbo05ym change?

  In a game of pool, the white cue ball hits the #9 ball and is deflect2zvcj9 u064i/ m5vg hlnw: dwred 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 a/g /dtap l6an1nd m. Which of the following statements is falsedpal/t ga 6/n1?

  Which of the following is a false stateme18 mps a,1ff3e9layagnt?

  Tightrope walkers walk wit9d2e*zr vua8w h a long flexible rod in order to

  A plane, flying horizontally, releases a bomb, which ebdrb gchws;(.)gy7d a-o4 9 zjxplodes before hitting the ground. Neglecting air rejg ;dbw odbza7c hs4().r y9-gsistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The collision was cowlc-.gw u6+5np;ail-,*klyz k ltb /n mpletely inelastic and botg-i* u.wbn ;kyw-l+klt6c5 pa/zl l n,h 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 of particxq(0gemek2 az0gq 0 a9les.

  What is the momentum of a 2000-kg truck21d0w v8f iouv traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 d s,h +d1lwx+-mymfl:m/s. What is the magnitude of its momentlxm,+-mdfdysl wh1: +um?

  A ball of mass 0.10 kg is dropped fkusy3sg 5a.a .v4q 2odrom a height of 12 m. Its momentum when it strikes the ground k2 .uagy dq34o.v sas5is

  Two identical 1500-kg cars are moving perpendicula* kwhxuap vb/ s.bjf1;ee) 10yr to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What bufb/ x v*awkspej)1 ; e01yh.is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/ vmja)lme8*q f753stb s, strikes a wall and rebounds at 24 m/s. What is the change in the momentum ovj7ea m)fs mb58*3l tqf the ball?

  A 0.060-kg tennis ball, initially moving.96ctaxg zb9 ;hfb9.yn tu1vc +5n qe,.nqc cv at a speed of 12 m/s, is struck by a racket ub9.acfb1 c 6.n +ctqqh,5c;ny9e9ntv g xv.zcausing 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 baseball2d,fg wtpsgy:) ilbcf ( k)v6;) is placed on a frozen pond. The machine firp;ff c,bdtw(2k s6:gg) yilv)es a 0.40-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 outside the space capsulzwyjogi9:-j s zayb)8 d/ cp.;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 astronaut move towarb;zcy9a8/o):. jysg- iwpdz jd the capsule?

  A small object with momentum 5.0 kgm/s appro3 c;li f:w7imxaches head-on a large object at rest. The small object bounces3: m7wic iflx; 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 4.0 m/s to 9tl(e*q189qkay q p; ya(pnlpgreet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do yout pqqkql;y((l pe9p*na1a 89 y both move off together?

  A car of mass 1000 kg moves to the right along a level, straight road at a spb d2.xoj2uk xhu2rna3ikx2oh7 k tbx596 j) )peed of 6.0 m/s. It collides direc ui dtho)ku . 7jkx5b2b29hr6o2xx p3)2njxaktly 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 th 7 6g.u**hggj3 7eq yjqjtfn3xe rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars after the colli n t3ejj67h* g*yqgjf 73xqu.gsion?

  A railroad freight car, mass 15,000 kg, is allowed to coast aw,mxiyutv.- 2rq 8fk6 long 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 re8,q -fmu2 .rvytkx wi6leased. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligiblej13enhwa/ ,io 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,e,ho wjai1/3n 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 rate h v2f22v9m 8hl8cuaidof 0.80 m/s (with respect to the log). With what speed does theh i8 28l9 ca2vmvdhu2f log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force sut yv6 e(bsc9np 2c9) h-p-dyggddenly increases to 15 N and acts h g gp9c9 (dye nt-p-y26csb)vfor one more second. What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on 3hm0 mmzz;ry6uc-; g va 6.0-kg object. What is the object's 0z -mm3z gc;y;uvrmh6change of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with fjv fyd0), :eeucfreb-*-1ww a brick wall and comes to rest in 0.20 s. What is the average force the car ex fv,e b -ef*-0)cdr wf1:yuwjeerts on the wall?

  A 2.0-kg softball is pitched to you at 20;ph6y *6v (nww)rw bozefec7, m/s. You hit the ball back along the same path, and at the same speede7 nw* b6f wvzc)y6 ;(wpoerh,. 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 drop3a(py rdnn+9b ped onto a table top. 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 bal9+p3b (randn yl 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, with a muzk/ k91- 8dg)gqx jtyxkzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun m)gkkt 8yj-/d9kgqx1x ount?

  A fire hose is turned on theu1na.7 u pyo9c door of a burning building 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 ncp.ya9uuo17 n eeded, assuming the water doesn't bounce back?

  Water runs out of a horizontal drains-acel 490c2g a6h/ sihbdlh/pipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't sh hca0 lcb-6d42/s /e9lagsh iplash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40rts gz2 hgdtef6: cv4)1+: g.q ;caukd m/s after 3.0 s, when firede4dd g .gkhzcg;v t+fq::)sr t1uca26 straight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses5ltw 9wse2d8b 60 kg and 80 kg, are initially at rest in outer space. They push each other apart. What is their separation after theestw59 ldb8w2 lighter astronaut has moved 12 m?

  A 3.0-kg object moves to t,tm.uac )fz t8n,fgp-6 .blkwhe right with a speed of 2.0 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 total kinetic energy after the collision? p6ga..wtknufm b)c-,tlz8f ,

  A 0.10-kg object with a velocity of 0.20 m/s idgp.yg v(ds: g+(9* pdxz2eoerot-4 in the +x direction makes a head-on elastic collision with a 0.15 kg object initially ad(p-v2: zdr4ysdgt ogo e(+xge*p. 9it rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet movin3mak/9*c gjp eg at 300 m/s is fired into a 1.00-kg block at rest. The bullet emerges (thgme 9 pjca*k/3e 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, is struck head-on by an alpha-particle c4 lqyfa, ,c5e(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 mas4,5ale,fcyqc s equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball of mass 1( kuvqd:/s9 zf00 g. The collision is elastic. What is the speed of each ball immqzfs k(9u :vd/ediately after the collision?

A ball of mass 400 g moving toward the 3kofp ub:t g-r06b6g geast with a speed of 3.70 m/s collides head-on with a 200 g ball ubbt:rpgg-ok g36 6f0 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 sy 4kft1m7ru z3peed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is tz1k 4 ur7tym3fhe speed of the masses after the collision?

  A 2.0-kg mass moving to t9ithv 7k2y f6ahe east at a speed of 4.0 m/s collides head-on in a perfectly inelastic collision withaf7kv2i6 y h9t a stationary 2.0-kg 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, whp r8wo i.kpov9mg,br8v7 .s atoi:sb fa*j033 o's mass is 2m. The bumpers lock together 3o:v p3. j8,g *sw7mbf8kt aiar o0vib.rp9soin 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 di6g 7e ,oely) bs0c*xfwrection buries itself in a 2.4-kg block of woo s,beg c6wxy ef)o70*ld a rest directly above it. As 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/hkt* 9 vj)zgh: 3p5 zqqt4y9cdc east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. zc99*)q zt qvjcdkp5y4h:t g3 (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 hy z)-i7 pm x4lfinx21p1p df/with a 3000-kg car traveling 1pp1pl)i/zi n xdxf2m7fh4y-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 collision?

  Two objects move on a level frictionless surface. Ob v3jonl8g.n:5kc1k z6z n4gflject A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a per ln zg83 o41gv6knjkz5:c .nflfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 16ydvo+ thnw(-r 5u ls:0 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 of 10 m/s; and a third fr+s onvt(-yldr w:uh6 5agment 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 z:w )ns)gzl n62fgo5 ira zv)9x = + 21.0 m. Where is the cer)5 n):fszwal62ziz)o9gv g nnter of mass on the x-axis?

  The center of mass of a two-particl e i;+zgwsz9y6spg/4 qe system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What g69pzg ss; q4eywi+z/ is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kgl-v m4 .woil23wj wrnqaty:;2 at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1-vrl3y2j q: w ltmw4ao win2;..0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 klyz x2 ;cyq6-pg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location2;zx6yq p c-ly of the center of mass of the system?

  A 3.0-kg mass is posit 3 tzneul9li59 i0rls0ioned 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 wit90rui 3 nl5sizel9 0lll result in the center of mass of the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to caldvpj l zl(;hiv9w h:9ep+8rh .culate the position of the CM of a whole leg including the foot when the leg is stretcr;p. 9+wv:hdlp hz(j9helv i8hed straight out. Assume the person is 1.60 m tall.