What is the SI unit ofu rp mh64ny/spbf 1.x5 momentum?

  When a cannon fires a cannonball, the cannon will recoil bacw7fy fd-atijyz- 302ckward because the

  A freight car moves along a frictionless level railroad track at constant l by,7: ol/y5fs y8kvzspeed. The car is open on to y y7so,5b :vklfz/y8lp. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off*l 8-abkaf+ pf a sled while sledding on frictionless ice. What happens to the velocity of t-p f 8+k*afablhe sled?

  A rubber ball and a lump of putty have equal mass. c/ en q52dnndd 1e+x:eThey are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with nnde5dc1xd/+e2 e q:nwhich it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is rz1 tqqra r kn,)-95bzmoving with a momentum p. How would you represent its kinetic ea5,bkrzzq) r-t9 q rn1nergy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energyq jvliv6 hdxootfo1 0 i6.,:d9 you gave it in the previous pitch,td,0.o6h:ov 6ox9d fi1jl qiv the magnitude of its momentum is

State Newton's second law in terms of mb jbpm 8.,*h/ 2crucb; )myufbomentum.

State the law of conservation of momentumcogo9d9 8kwk0 .

  The area under the curve on a Force b t* an8chv4/jversus time (F vs. t) graph represents

  Which of the following is an accurateyai96 - bu38qe )wueut statement?

  A small car meshes with a largepewlp;u)h ;afz y+k7 o2xi3- a truck in a head-on collision. Which of the following statements concerning the magnitude of the average collision force is correc flu; e7p3 2k)p+x-yi;h aoazwt?

  Two equal mass balls (one/ y-p)ciu/e8s1bsek x red and the 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 ths8 /cyesp/x1beuik) -e greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at7ks c /9qq.jiq 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 eqi97.sq kqc/ jast. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear momentumumo,a;piv 1wai(eoyhm +i v-. gx-5/np/roc .

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on wi ./pk/4zm+ pgeb zjr2zth a 6.0-kg object moving to the left at 2.0 m/s. Which statem jzz/kp/r2g4zb. pe +ment is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kv s,y *9ms;sdpg halfback runni9 p;mv,s*ssdyng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then which of 6 :*.jqcenyr f wd15cdthe followingrdnjeccd.y1f :56q* w statements is true about kinetic energy?

  When is kinetic energy consp;vw6fim58*5ah jl-m )+bm duuh h4p merved?

  In a game of pool, the white cue ball hits the #5 ball and stopsfm1 nd ;nothkt54h8 *s, while the #5 ball moves away with the same velocityd fmt4*hto;8k n1h5ns as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides with:vi)uy6*x o/ld6x t ca a heavy exercise ball at rest, the beach ball's speed afouil 6y6)v cxx:/*d tater the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the rip)deij6 ele4ms;-lt 45vs hh8 ght collides 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 after the v5hhseim jte;esp4l) ld-84 6collision is

  A rubber ball with a speed of 5.0 m/s collides hea - ofp:oev4h7h wnv3(bd-on elastically with an identical ball at rest. What is the speed of the initially stopped ball oeohnhvvf47 p(3w: -bafter the collision?

  A very heavy object moving with speed v co3b3 xt ddl1x,vddi:9ct5)i x pz dw l22d.uj.nllides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely ui.dx il.2wt9d52tb3 d 3 p)x d nxvzl1:,jcddslows 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 heay;m,w c8 oznp2vy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after the coll zc mo2;y8,wpnision is

  A red ball with a velocity of +3.0 cfqr4cfb(y g nl;9 gnx b9.(x8m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collbl qgr9f;x9gy nn f(xcc(.b48ision?

  A very heavy object 6f7zq z+o jymv l64dz.n m2y)jmoving with velocity v collides 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 down. What is the speed of the light object after the collisionmzy .l7o qz+4dj6jym v z)2f6n?

  In an inelastic collision, if the momentum is conserved, th5 z ( 1.yrtt2dwtckh6hen which of the following statements it r zhw5 y2d6hckt1(.ts true about kinetic energy?

  Two objects collide a ;rfeivcn1c +d1clzu-5,t x07iwl 6g 8dfsrr) nd stick together. Kinetic energy

  A 3.0-kg object moves to the right at ro.bw j9ae:j*n2y,w r4.0 m/s. It collides in a perfectly inelastic cwr arw o:.bej9 ,y2n*jollision 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. Wjz9lf:ppq*.j : rca)ehich object experiences the larger magnitude of momentum cha pz.q: pc:9f)rael j*jnge?

  In a game of pool, the white cue ball hits the #9 ball and is deflected at a v2tv xaw+jv(9egtr(:7ml(cw $35^{\circ}$ 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 state:v . fuibsq7e:aty:c0r4qm6 e ments is falssarq:et cyu.f0e qvb m:i6:74 e?

  Which of the following is a falsn6 w4z 2q/)l70pbfvyzlvha l,e statement?

  Tightrope walkers walk with a l oc9u f 3xka-eeql:g/v 5m9,rlong flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hittin/clqcna4s gr y+ : adgs:14nh,g the ground. : nq:agnysd /4+clga14 c,hrsNeglecting air resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a levmbips6 3)h0 z: x7(f iajghu;iel friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the vig7 x hijbau0 ps6;:3z(mhi)felocity of this system's center of mass?

State Newton's second law for a system 4jnb3gnww.( :x +ioff6/r gjkd p)rn4h p-l9vof particles.

  What is the momentum of a 2000-kg truck traveliv )ulv4 t ix; 6bxotr42,ek,fsng at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. l 8:.yp tyl:urp0okp-:i .yjf What is the magnitude of its mome8i optpp :k.fu- lyy.y:j:0rlntum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momel o97slf209 2 egm f b:vhpoq9nmypk(*ntum when it strikes the ground i9:bvm pfo7lqhof m(glspn *k 2y20 9e9s

  Two identical 1500-kg cars are moving perpendicular to each otf1 1a/dx1 r:dbk ( axb,9peejrher. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. Whatexfdr1 dxjr,a:1( ep9abbk1/ is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, strikes (h j;hi63h.lvkju1sa a wall and rebounds at 24 m/s. What is the chan6;jia(1kjulhhh.s3 v ge in the momentum of the ball?

  A 0.060-kg tennis baz ax*)r3q 2cmrll, initially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite a2xr*)zr3q cmdirection at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond. e-2cod1ocje, The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. ej,cec1d -oo2 What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space s3x ndb4/4ycr 1n5jncei+ )umcapsule and is stationary when the tether line breaks. As a means of returning to the capsule he thron3sidn/4u re 4 )jbc5mxnc+y 1ws 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-o*w 3y;adpko sir ;ru:9 fpm8.an a large object at rest. The small object bounces straia. p duasrm;9*wrp 8 3oki;:fyght 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 m; h71vh(xe pyice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each o; mxvy71e (hphther, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a level, straight road at k w)lkvnz. t92a speed of 6.0 m/s. It collides directly with a stopped motorcyclk)v. 9wkt2nz le of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling gfm))f7u+w8qk g-d k tat 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 cars afg qd)g7 +um-)8kt kwffter the collision?

  A railroad freight car, masc+tw +;xlsg):yw am+q s 15,000 kg, is allowed 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, initially at rest and with br w:cmst x+);+q alw+ygakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls withrc(xym jc3s7()7,pez b w4new negligible friction on a horizontal track with a s(xc (4 c7zwrb,m)ejewp 7sny3 peed 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 happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s (with respect tlo+0*mzt)o:s x x 30ma xnel.po the log). With what speed does the logm:nl 3mesa.oxz0)+x *l0ox pt move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The forx 1ib(gp0l1p : mx6bzrce suddenly increases to 15 N and acts for one more second. What impulse was imparted (: zxx6b0m1r 1blppgi by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg objezay2h9jry3o 9zaf*)f ct. What is the object's change of velocij rya3a9yf)fo2hz*9 zty?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a bric:u pf8/jrdz)j ,e:fc nk wall and comes to rest in 0.20 8fjp) fenjd/ :,u:czr s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along the rafni) v k96h k97,sfigoy6+psame path, and 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 exert+i rf9pn 6k7ygfak i) v9osh,6ed?

  A 0.10-kg ball is droppedo5-4p8ha tzo/b g 8h:v(iv bxr 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 ball and the table top lasts 0.15 s, what is the magnitude of the avero 8ov/rig(h-bp48tbva5xhz :age force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, w7671kusznust nd.e7*6 y;oq jyj.oadith a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average fo6 n7;.j7y1*e z7tyq.sus6kduojo n da rce exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building in order to knoci 9 6 g12n4)paqxpfua k04lonkk the door down. This requires a force of 1000 N. If the pankk1fnoa6i u2x409)qp 4l ghose 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 horiw k+.gg)as1( m /9k hfwyn4taxzontal drainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exexk gwt my9nghw )41a k(.sa+f/rt on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocit b5wsw+dpv,pwy -m(l(y4v d-ey of 40 m/s after 3.0 s, when fired straight up. What average thrust force doesw-( 5sypbl w( ,- 4w+dmevpydv the rocket engine exert?

  Two astronauts, of mas 2:2 jis+)euh edwf4ejses 60 kg and 80 kg, are initially at rest in outer space. They pu)fes2 eu24 :ji+ehwdjsh each other 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 *vgc) o*knoq- 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 - *vkn)oq*ocgis the total kinetic energy after the collision?

  A 0.10-kg object with v zwm5w1k+f,uc k) jh+wzibqeg;.k9 4 a velocity of 0.20 m/s in the +x direction makes a head-on elastic collision with a 0.u1 vih,w kg f5zkzjbw+.94 w;)eckqm+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 mjs:qn.h /)rache,zk1 /s is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half oeh ,)1: qrnjhkza. sc/f 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-parti2e i(ff:g5zt jcle (which consists of 2 protons and 2 neutrons) moving at speed v. If tf 2:jfegizt5( he 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 ybdb:*d.wo f9-ys2pa/s collides head-on with a stationary ball of mass 100 g. The collision is elastic. What is the speed of each 2o :-a wf.bb pdyd9*syball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s collides h2v 2+bt ua (wlgw o3*rbrco)no-tn;4j ead-on with a 200 g ball sitting at rest. The collooal;ng( )wj2twr ucbor -3*4b tn+v2ision 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.u::q-z bj+)xbgoq v;ki t h:3e*f/n zs It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed o/t +)xeqz n ;b3:zsvjkbohq-:iuf:*g f the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides head-o vfrpc*2orhmov7* 9w7n in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during thivph* o v* f2r7r7mcow9s collision?

  A car of mass m, traveling with a velocity v, strikes a par6 */ na(vcxyhhked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initxync6*ha/v h (ial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itself in a 2.4-kyi4xm1e1 1kb .pchm rsa0+tx.g block of wood a rest directly above it. As a result, the bullet/b11 m1ic+ts yepb m.xr.xa04 hklock 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 with6ptlk)g4m/t wpias yu6 q 1c/6 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 speed of tsuqa)g1m6w /p i66c/kp tylt4he cars after collision?

  A 1500-kg car traveling at p/i6a (dvacld jf0x2990.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The twov9(djpl /da26xc 0if a 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 si q0v; y*ybllc y8m5g 9zs0*zturface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly ineq5s*8i0lz mz9vyy y* lct;gb0lastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is 7wvq4q m8piix15h tn +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 fragment with a m 81pmix7w5 vhqnq i+t4ass 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 x = m0y2il 4 a.v0x c2:agdtwf 2wi+ 21.0 m. Where l2 4a d0gyiw02. axc:tfvwim 2is the center of mass on the x-axis?

  The center of mass of a two-particle systej 38l7)9xjlf p(j ugyem is at the origin. One particle is located at (3.0 m, 0) (3pf7 89 l)jlegyju xjand has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as fol1l)p ;c a(yr6e0a3ovuaao t0plows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0).aac0lpru0v( )e36 o 1;oy atap 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. x0omgxr r38+8pz/0hjs g f:yd0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the locapf : h/ zx8grms8o 3+jdxr0yg0tion of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kgq b97gmjx-s jk .bk;*6woe (pm mass is positioned at (12, 0). What 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)? pm ob m;qxw97-eb*6kksj(g .j

  Use Table 7-1 to calculate the position of the CM of a whole leg includuvqulwkeyi +) v-;0jjt2(x 0ling the foot when the leg is stretched straight out. Assume the person is kjvil02(0e)u- q ;lvtwxjy+ u1.60 m tall.