What is the SI unit o:f yo7)c qk5jjf momentum?

  When a cannon fires a cannonball, the cannon will recoil backward bec wgzitlo5pyk;kmh x 76 ;33n7sause the

  A freight car moves along a frictionless level railroad track at.oxjjf gv6 4t6k7uz1x constant speed. The car is open on top. A large lgux v4.tfj661j7 kxo zoad of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways g2 /jvlud)aurkr31uv 2f kr0c 0j 8,cyoff a sled while sledding on frictionless ice. What happens to the velocity of the sled? lu3r0,uj2fk1a/ u rcv 8)gkdc2ry0vj

  A rubber ball and a lump of pu vg4x.7jsj8ni tty 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 walljxg84i7nvj s .. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How0 svo6jschb0;ie - bq1 would you represent its kinetic energy in terms of these two quantitiejhosv 6s;i0 b1q- c0bes?

  If you pitch a baseball with twice the kinetic energy you gave it in the previoum1q a1p ju5bp2 m9.y +ps*btdns pitch, the magnitude of its momentum ipbja +smt9 5 d*1.mynp1 2pubqs

State Newton's second law in terms of momentou0md bn8r8 1stwy: i5lq.z. ium.

State the law of conservation of mofaiil *w (2cd jb*o,g, jimm7t;k5uj :mentum.

  The area under the curve on a Force versus time (F + x c)dm+cx7ubvs. t) graph represents

  Which of the following imb.()t)u dtng4p ln d4s an accurate statement?

  A small car meshes with a large truck in a he cx;hw+ t*anu7tm- fgkm ldk8xt906)vad-on collision. Which of the following statements concerning 0 lv7g*xta96 knwkfh8)tmcdmt+;u x- the magnitude of the average collision force is correct?

  Two equal mass balls (one red and tn;c fdby 4ybi f39d20hhe 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 impulse during its collision with ti yfn0bc;3hfd49y d b2he floor?

  A Ping-Pong ball moving east at a soaph:q+tde-+ 7xu+. . hosie qpeed of 4 m/s, collides with a stationary bowling 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 impuls-s.equi+ +h.adq:opohe+x7t e during the collision?

  Two objects collide and bounce off yu)9 a0 xty iacy/4 k8rkf9m4reach other. Linear momentum

  A 3.0-kg object moves to v3 xb7h pia7 jua07r)g;;ah.ysxxkm7 the right at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Whichmxaxv 0yp;uxbg7)ha7iajr s.77;3 kh statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on-pz 4l:rdtvq m2zr-+g an 80-kg halfback running2t+pg4zd zl-q-:mv r r
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, ;/qsgbno08:2m xdl qg then which of the following statements is true about kinetic energy?8xg lgmsqb /0dqo2 n:;

  When is kinetic energy cojh+0y a9;e (iyfvasjh 9e1m 1fnserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, whzoh w.5u ybctu)rcvpeg 6,(w,+ +jg*file the #5 ball moves away witho*u,(jr p b5eg+ct zcwhg +wf)v 6u,y. the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rollingxk ,l0fjkv5 (o with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's sl5kv fo0k x(j,peed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision wpty c o,h*4z6aith a stationary b *ap4o6zyc,t howling 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.wqg68r1ot 5/ju9vfbb7onz d1 0 m/s collides head-on elastically with an identical bv5j t18ofgr7zun wdoq/b1 6 9ball at rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object movingtxeg .x(+qyx- zpwd(8 with speed v collides head-on with a very light object at rest. The collision is elastic, and th.y(e8xtg (d-w+xzpq xere 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 collides head-on with a very heavy obw9om(w)yai)ab74ulimz ;vv 1ject at rest, in a frictionless environment. )omm)i 7w wav1;yb(u9avzi l4The collision is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides g+gdjywhu0u .i9 r4xr p,4g*chead-on with a yellow ball of equal mas,4p*rix+h94wcrgjg ug ydu0. s moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object movi*2q aq+94axb yelzpj f:v,c1qng with velocity v collides head-on with a very light object moving with velocity -v. The collision is elastic, and th1+ zfjq e vlxa,ycq49b:q*ap2ere 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 momentum is conserved, then which of th4/alj/lma ww;e following statements is true about kiw/w4;m/la ja lnetic energy?

  Two objects collide and stic okjfvfl ee8uq*7i6 , 0a1(qjzk together. Kinetic energy

  A 3.0-kg object moves to the rightby8c+i)k1,iub :iw kp at 4.0 m/s. It collides in a perfectly inelastic collisiy w8k ,+1ip cb:uk)iibon 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 objr q;7eb:-(kt +ytyoyp ect experiences the largerr ttyqp y-(by: oe;k+7 magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9th t3bc5,-1-ke n yyk;w ul0ep ball and 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 of the following statements 2c*wt*l o7jxc is fals*7 *jt 2clcxwoe?

  Which of the following is a yc c:/9cgycxx5v(8) sp* hzmffalse statement?

  Tightrope walkers walk with a long flexiblenh* 6-g rhb52iv9 eduh rod in order to

  A plane, flying horizoneap+hmag z n//y 3qb.2tally, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the +3 /na2./q ymzh gebpabomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road8pb kggt/0o9l )bjc -k. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this system gblcb -k)p/og8k0tj 9's center of mass?

State Newton's second law for a system /3 ( 0jzffppk*(zjcfcof particles.

  What is the momentum of a 2000-kg truck traveling at 35 m/s?pagxuz8w z)d;cj ufh032 dz4(

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude of its momn5 cvdo (,*.5akfxrqf( kjx*jekqjxfv(d. jkx(*,r c 55f*oanntum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum when wfx/n ;0* ugfhwf2i 5kit strik5*fkw/;0wf fg uihx2nes the ground is

  Two identical 1500-kg car8kbyhxo6d/ s8 b2vpz,s are moving perpendicular to each other. One moves with a speed of 25 m/s 6so yv2,/b8bpz8kdxhdue north and the other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0. 8):5tzn8up hjen-p or10 kg, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 -u8hpe8 r n)tznj5o:pm/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struck 9iz.ll s jft7- 9cuaj,by a racket causing it to rebojtu, f9li9cl7 .saj- zund 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 (ey) dj,a27a+fgff ql w5xcluding the baseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a)jfdyf25,f l+aagq 7 w 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 z/6eguh6ol t;s*k*aac):(tbyv oxdtx7 - ts 4capsule 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 th*x(s6k* tsbt7 4u-oya gxc/o:vze;)alt 6 tdhe capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a lae+o:d/ lqgi r/3qsw2nrge object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s q2o:n e3/gqs+/dwlri. 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)ms0 x(dv z6xa);c3n 5m tdw-*c3dwhuc, who is standing still, with open arms. A(xm) w;dh vdw-*3a53u dc csz06ctnxms you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to thp: kawy13)r ude right along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped)3waur pd1yk : motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car travelip2s5g;e1-8 d ardnvy ing at 25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and thep; y8v1gndse2dri-5a y stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is wlbr,4s)q ,jhallowed to coast along a level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg second car, initisjq,rw b,) h4lally at rest and with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls wi(ataqywvg4d l /4 (k9yth negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drop(walg (/k a qyyd4v9t4s straight down a distance 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 r +ws5s(rtfaj .ate of 0.80 m/s (with respect to the log). With what spe jws.ta(fr+5 sed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenl ubi svhkgd)343cyr nrv;.16my increases to 15 N and acts for one more second. What impulse was imparted by these forcivrr6v mby;4.g)dhck3s 31un es to the object?

  A constant 9.0-N net fvloe ;2/ nkd :0 :8iygxaa2whrorce acts for 2.0 s on a 6.0-kg object. What is the object's : a ;0irlh82gdve / oy:wakn2xchange of velocity?

  A 2000-kg car, traveling to the right at 30 m0 ic5oh*kh0 )xvk79bmqp;adry-xkh- /s, collides with a brick wall and comes to rest in 0.20 s. drh-0x7) qhvmx io0kkb yk9h5ac;p*- What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. Yxgnx9o.rbb- /l7(k ruou hit the ball back along the same path, and at the same speed. rg bo/kx9xl.(un7rb -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 ont,snhfmq 1lpoqmq0m a-a7 ,4h8o 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 ball and the table top lasts 0.15 s, what is the magnitude of the average force exerted on the ball by the tabl8hl - 7hoq an4,,1msmqa0qf pme top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muc f6dc0/gz9ic zzle velocity of 750 m/z 0c9fgcid6c/ 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 w0rqot zf*( t2wlg5l. door of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kr5lgwt*. oz(wq02lf tg 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 the rate of 120 kg per minute. It uj. av ti1n )1w9fe:lofalls 3.20 m to the ground. Assuminwvu 11n e)folt:j9ai.g the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.4(mwq3jo3 ya(8ybthrx tm (y7b ;hhr 212 kg, achieves a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket engine exe4(b(r (jb3t2ymytmh 8ow q7h3; hyarxrt?

  Two astronauts, of masses 60 kg and 80 kg, are i6 d6 ky4cy2hghnitially at rest in outer space. They push each other apart. What is their separatio2chyhg4 6y6dk n after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right wit xrb8*x+rd r*ye7. , lc+yhvinh a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg ob r7dy bvyx+r +hc.**n,e xlri8ject 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 d bbvoy0wooxc0;+w 0s n0t1 l3velocity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object ini0ytv wdx +1lb30oswoo ;b00cntially 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 fire(jyjf: 2 qt*9h3+;row rdbil8mbi id(d into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its origina ;2dyj9qdi+t wh*(( 8ibrl j3 fb:rimol 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 (whitp5kn- 6-+rngfbn*hs 60 kfvx ch consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will the alpha-particle have t5v6k gb06snk xhnr-*+f -fpn after the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s cohh,u3w mvxop)/-h -b 8e ps*9wqa8zhyllides head-on with a stationary ball of mass 100 g. bzuo*3qmh8a xpe)8 hh s hw9w- ,/-yvpThe collision is elastic. 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 covhk9,v v y(j nz-qf37m ild*i+llides head-on with a 200 g ball sitting at restif j 93vqyv *h (iv-lm+,ndz7k. 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 w+d96gu-1 9 f9yupcc 5rfu lybuith a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after the gyucurbf y1pl- 5u+f 9c96d9ucollision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/0 uh,+vv m-yy:k4q hsts collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is losyhvvmhu :t-0,4kys +qt during this collision?

  A car of mass m, traveling with a velocity v, strikv. 7tl 6rukhamj*w;f 0es a parked station wagon, who's massu.h 6jma0w7;tlr*fk v 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 a2sl 2thb *cd2kz q*d-z vertical direction buries itself in a 2.4-kg block of wood alskb-zt*dd 2q h2*cz2 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/h east collides with a 3000-kg ca+rzw 6-i;pqn msjv ./jr traveling at 60.0 km/h south. The two cars stick together after rj-w;z+n6j./ mis vpq 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 collide.w2ej f/+djdr. wj0ssk.x ew3s with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collisionds2jdwfxs jk/.r e.e+.j w3w0. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level fr bvx,h9 gnuy.h3 v,,hfg7q jf,ictionless surface. Object A moves east with a momentum of 24 kgm/s.h7j,x,nh fvgh,q.3fvb u9,g y 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 /gcqsts2bp mg0bu68( 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; and26put/g (q 0ms 8gcbbs 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, and -ojgd-k 8 7weja 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass onge d7k-j 8woj- the x-axis?

  The center of mass of a two-particle system is at the origin. One 8 hv;wzre*iq-dwwu-( particle is located at (3 ei -wzd*;w-rqwh (vu8.0 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 positi f yyqdh5.n1uxw1r;; 7ddaf0ioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coord q0a7f d 5;yhy.n;ddr1wxiu1finates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located a1nt (/bnk/ 03q2mkmezyduf0 t t (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of the systu2/0 ntb qn03f(emk/mzdt1ky em?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass y55kif2h z*r cy.leoo fo1)8qg ;p9os is positioned at (12, 0). Whatk)*9;5e1.c5fsproqlhof gzy8oyio 2 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 of a whol* ;2mkghsfrda0x8 y q1e leg including the foot when the leg is stretched straight out. Assume the perss m0gdxrhk1*;2af 8q yon is 1.60 m tall.