What is the SI unit of mluth*.m:( zurm ck/ m.omentum?

  When a cannon fires a cannonhaf os- (q2m msp93y0eball, the cannon will recoil backward because the

  A freight car moves along a frictio*fkrmt)y 6iih9f4f /z nless level railroad track at constant speed. The car is open on top. A large load ofytfi)9i6mz4* k rh/ ff coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice.2pcz8c ut:.pu What happens to the veloc . ccpu2ut8p:zity of the sled?

  A rubber ball and a lump of putty have equal mass. They arp /u nvx hmon: )x1mu7m4f;zd,e thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks tv, xm n ;: 1ohufm4zmx7)/pnduo the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving wix,ojw7 i va2*zi4rg (h6rb ,)m:puxcx th a momentum p. How would you represent its kinetic energy in terms oji2h4um: rpzvc) *ix6goa,x7x br(, w f these two quantities?

  If you pitch a baseball with twice the kinetic energy yo7y (jdv) 5hnmgu gave it in the previous pitch, the d5j 7m()vnh ygmagnitude of its momentum is

State Newton's second law in txnn4xh 3 osa(*erms of momentum.

State the law of conservation of moe +q251no:ijzt7q/tzewdk8 l mentum.

  The area under the curve on a Force versus tim7gu3x5qyrzh vtj -v6q8.ms :cpgly( .e (F vs. t) graph represents

  Which of the following is an accurate statew o 29-bjtixt8zc *fr4a9o kl8cytr -2ment?

  A small car meshes with a large truck in a head-on 3,;gs fbrhuid f4 /1dgcollision. Which of the following statements concerning the magnitude of the average collisif u41gs3gfd/ dhr,bi;on force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the same he8b0kn,wmxre jh3jms b.xj:4 -ight, and rebound off the floor. The red ball rebounds to a higher position. Which-nb.b4mjh8: xk3 r0,ew jsxj m ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving uuf2k v.6 wifj fdt wiz9;66,al6r3sueast at a speed 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 impulse during the colul2 if6 6fz96t3afwvw;,ru6ujid . sklision?

  Two objects collide and bounce off each other. Linear m(33 q.m: )oluvhpdac momentum

  A 3.0-kg object moves to the right at 4.0 m/szx-7:/4o7oex n-oy8 r,vq ayl*enwbf. It collides head-on with a 6.0-kg object enxew l7 yba*4 q/,-o -xr:vo78fn ozymoving to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving atc(0hp w 8tidq/ 2.0 m/s tackles head-on an 80-kg halfback run/w qd0p h(t8cining
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then whichny6a- fkqm aj;vh w7gumqw -1b8o1a663p fuq: of the following statements is true about ki6f-qy qh npo 6qa1ugm :61w3m-k8 j;a7bvwafunetic energy?

  When is kinetic energy cos x :+b) imy;eztlv ma1,s)l0qnserved?

  In a game of pool, the white cue ball hits 4tw32d1 uglszthe #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type 2wlg3u z1t4 sdof collision is

  When a light beach ball rolli. 1,hmorqp 0swng 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, .s o1m0q,rwhpapproximately,

  A golf ball traveling 3.6 pv0z6gv3uu1ua xs4h0 m/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 perfectly zv13x40 ugvhs66pua uelastic, 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 iit72p84d8 sn yjw bby;dentical ball at 7;bi 2 tp8b4jwdny8 syrest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with axtlh 6u5 .aklx)/.o yh very light object at rest. The collision is elastic, and there is no friction .lh tokl a6xu5x/)h.y. 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 obpr*2+m uk9 qfjc,f6t rject at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of tu,k9pj6*+frqr2fcm the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball o0+auk+ i7qhbvqbzhj+8 x df+ +f equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after au 8bhx+ vz+++ q hk+ifbqd7j0the collision?

  A very heavy object moving with velocity v cjv+5upxe6yj8q40vg4 he z q 0bollides 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 b 844 0v+0jhpzu5yqg6ejqx ve down. What is the speed of the light object after the collision?

  In an inelastic collision, if the mol;la+qw4) hf: q1 aj lyrk*vs6mentum is conserved, then which of the following statemrj4a ya*lh:1;+ qqk6ls flw)vents is true about kinetic energy?

  Two objects collide and stick together. Kir7rxlf 6exc 3*netic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collidbcek4nw(+p kkw*3b 0obtu: u+es in a perfectly inelastic collision wnw0w u +*b3 kc+tbu4e:(kbpk oith 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 object ivg(0yd/gtu.i mj;tupv ,,o *experiences the largy/ vt(, j.;u0vi*,ugdtiogm per magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ballj- mj :c:wi5vq 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 ofl qg z979e6; lmwkpny22mi/pr the following statements is falsm l7 z69/;lip mn9kp 22ryweqge?

  Which of the following i 1u ;hr es( h0m,mhdrhi44(wlqs a false statement?

  Tightrope walkers walk with ,vpxnxhsgt 76 -(dfp s81 7kzt:d nulb mfu8-+a long flexible rod in order to

  A plane, flying horizontally, relea(cn8pupv fz si1l+):/ zex ,dyses a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of )z+vc (1uz8f,:lpdeip xs/nymass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level f ey2 ;v-tsmwtki/ 6gb0riction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this system's cebtmv 6y/s-ie2wg0k; t nter of mass?

State Newton's second law for a system of p.k6l7mq 1-krj kg3 qz1pla .rwarticles.

  What is the momentum of a 2000-kg truck traveling at 35 m/ s *xqug,,2y+iq,xuw ys?

  A 1200-kg ferryboat is moving south at 20 e ga l;ve9lm txj,xb o9(v0n*1:ai-mjm/s. What is the magnitude of its momentu1 - ;xmvj j0gm9e(loaln9at ib,*:exv m?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Itxl cvqg*9w6 2bs momentum when it strike*v296xqcb wgls the ground is

  Two identical 1500-kg cars are moving perpendicular to each other. One move e ts1d,5zmav+s with a speed of 25 m/s due north and the other moves at 15 m/s due east.msa+ ,td1ezv 5 What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horiz,g ;yjlt2 bj dd6+uc i)ix)v3kontally at 30 m/s, strikes a wall and rebulb)dii, ;v2 6c)jtx ky g3d+jounds at 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initiallyxr ,g.5, qgzfi moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. Wha xf5i.qz gg,r,t is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a fro *c;a7ir*rpr gzen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/7r*g c;*p rairs 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 capsule and is st:8pak/7s9ayf yj 4qgvationary wh f7:4y8/j qk s9vagpyaen 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 toward the capsule?

  A small object with momed) jtfv7d.hl-sra3 p8ntum 5.0 kgm/s approaches head-on a large object at rest. The small object bo.8ad7 r -tl)fdsjhv3punces 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 gr8rdf ob+uvq3)3 en:m1bl:cr;v5s (mq+j zevzeet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move1q+ec8b( fz z::q3;sr mlrum) 3eov v+j5ndvb off together?

  A car of mass 1000 kg moves to the right along a level, straighu,vuvag* * 7 lxt)vfm0t road at a speed of 6.0 m/s. It collides directly with a stopped motorcyc*u gamt,* )l xfv70uvvle 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 of a stopped car that has zya/3 3 w j;hx,,bvt wn)l.lnva mass of 1500 kg andw3 3 /b ,v;)lj.vzan,hwl nytx they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to 9(mf- jak2n9r)4zf-uwfrick coast along a level track at a speed of 2.0 m/s. It collides and couples with a n ir9u cfrf9kzj4k-a) w2f-( m50,000-kg second 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 witbyz.dy/gz6 k (h 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 after this gz y b(y.k/z6dhappens?

  A 60-kg person walks h/vp ltj**zr sr(2+xi on a 100-kg log at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect to the shh(ripsvxl 2zr**t /j+ ore?

  A 4.0-N force acts for 3.0 s on an object. The force suddeybg4 m3jkxg1z c/mf )5nly increases to 15 N and acts for one more second. Wh/3c x z1jmgkfyb)4m5 gat impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 y80ds ntfqn61ouz :8rs on a 6.0-kg object. What is the object's chaty nro16 nfzs:d80 u8qnge of velocity?

  A 2000-kg car, traveling to the 0 ,7bi: y:a jkuhr2.t-.*cctdm emqcs right at 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is the average *y.te c0c kmh-qi7cjs:au.:d trb2,mforce the car exerts on the wall?

  A 2.0-kg softball is pitched to you5a8y rt7mlz*jmp+e *k at 20 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is t *m8mtzpj 7e*a5ry +lkhe magnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of thet0 n1*j7) nkdl-rwhvz ball right before and right after hitting the table top are 5.0 m/s and 4.0 m/s, respectively.7nwlt rd1*hk )0-zjnv 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 table top?

  A machine gun, of mass 35.0 cd/ gnw++w +jnjlde5ay9ga1/oad5( lkg, fires 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 exeja5yl e d/+/jngg1 (dodwla+9na+ wc5rted on the machine gun mount?

  A fire hose is turned o cjjo4eozh 1ix.(86 9 g)nlydsn the door of a burning building in order to knock the door down. Thjijgzlo8 on)9hd.x1 46yc s(e 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 drainpipe at the rate of 120 kg per minute. It fa.6ufz1xu5p n : 2veyldad tq d5(7pf.alls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on p.p d16ft.(vdqdaz a2uu5e : 5xfly7n the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s aft6h s1*now)yetfawx ..lz,)ry er 3.0 s, when fired straight up. What avera6 *ya.w) ,1e).rftxnyl swz hoge thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, ank2gemm( 6 (p )0wlcfgre initially at rest in outer space. They push each other apart. What is their separatikc2ne mmgpf( ( g)lw60on after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the ri j8uk 4-b-8ptlax xwqnxc56 5mght with a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object ml-npx6t4qmj-8 axbwx c k585uoving to the left at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makes a head-o 3)v o2v*smsoe,3t e0yq(vxpqn elastic collision with a 0.15 kg object init)vsx 0qomovq*ps 3e3,2v e(tyially 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 blockhfei xd (z+(uw)vb8,6ccwm /i at rest. The bullet emerges (the bullet doemuwwb(/c 6che d,ivf zx8i)+(s 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 vq. 25d,;0ky1 iullowckpq8b-particle (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?52 0coubqk, y81 viqwk.dl ;pl (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary5,qcr/ /61rb3jjm nmdjrhm p) ball of mass 100 g. ) ,rp 3djm m1c rhbmj/65rqj/n The 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 c 36danjo z9w)aollides head-on with a 200 g ball sitting at re 9daan6owjz 3)st. 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 speedng h2nq- nfyq69qg 8z3 of 5.0 m/s. It collides head-on with a 3.0 kg mass an9nhnqz -f3gqq y8 62gt rest. If the 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 speed of 4.0 m/s collidl*w9gyyp8 9ot3zu8 cpes head-on in a perfectly inelastic colliy wglpyo9t3p ucz*889sion with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocityjthek8pb3v 4nr(.i p4 v, strikes a parked station wagon, who's mass is 2m. The 38r 4h4p( e.jtipnbkv 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 a4iam t3f 8x5z5luy) ca vertical direction buries itself in a 2.4-kg block of wood a rest direct y58 i lcm35tauf)az4xly 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/hdhnamf)a:qct 2p7 dh61 cd-ckurk)i*c* .c5 q east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick topk6c)a5rd7 *i 2dcncdq ) u*qhfm .ctca-:hk 1gether 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 eafozh.oib, x;xjj-m0 ( st collides with a 3000-kg car traveling 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 aftmxbf(j x.0j,;hzo-o ier collision?

  Two objects move on a level frictionli1l6di5ft,k89- 3xzg lrzrobrf 4 w .kess 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 inelaz81-bk.ift4gk if ow ,r rl5xl9d36z rstic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity ofx baf2f/8ek unf9l/,y0cjcu x6f kc4, 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving west with a speed of 8.8ec6k4 /02nfb kcfx yf, uxlfacuj/ 9,0 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 a6rg g0uvbeaae .1+;ri t the origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass on th6 .igae+ b0;rauev gr1e x-axis?

  The center of mass of a two-particle system is at the origif2mp ijz w(2n2*gy lis0lf+x 8n. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of th2f 2(wszimlf8 +li jn0y2xp* ge second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.e y h8;f5*p1 ky(k6;arp(wdbs mxo kr.0 kg at (2.0, 0), and 4.0 kb p6k yshd *.me;r5k(x(1y o;k 8apfrwg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.06)njl3n r4qauvm v 7*br qoa.8 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of )jqqavram 78 vn6l*4.u n3orb mass of the system?

  A 3.0-kg mass is positioned at (0, wtbfq-q7m+d+ 8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of7qtwdbmq+f+ - 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 thexl( qy +n*5 lv;s1fhwg CM of a whole leg including the foot wh*lvlqny+ gh 5f1w x(;sen the leg is stretched straight out. Assume the person is 1.60 m tall.