What is the SI unit of mm ( zsuyrl ff+b5;p6.homentum?

  When a cannon fires a cannonball, the cannon will recoil backward becau*/le 0:fy dpekng/ h-cse the

  A freight car moves along a frictionless level railroad q(8resc 7ds ,3v 0qzrnol +de 9a-i+letrack at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happenr q +8l0reevid3aslsnd,+ z e9c-(o7qs to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice. W 79pkuw2pern,a6 q2 o* esw/sohat happens to the velocity of oe /w* praq79snw, pe su26ok2the sled?

  A rubber ball and a *y*c 5pf u+ 5t3wys,bsjq 3efclump of putty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the sa3sqjf cy* b,3ut*s5 cewp5f+y me speed with which it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. g7yz0h ) qugk1wr f3f4 How would you represent its kinetic energy in ryfh 07gkwu3zfg4) 1qterms of these two quantities?

  If you pitch a baseball with twice the kinetic en dc4 rje-5 4bi5jmfukg1-:z6+ bazjqvergy you gave it in the previous pitch, the magnitude baqk b5ij-:jr 4eg4-vcmj6+zfu 15 dzof its momentum is

State Newton's second3t z q mh2b(05eti3k6anunp ,d law in terms of momentum.

State the law of con5p amx8vuw1*3ie )/w elestr7servation of momentum.

  The area under the cw k -8-li-havlurve on a Force versus time (F vs. t) graph represents

  Which of the following is an a f4*sx 4kecqt(ccurate statement?

  A small car meshes with a large truck in a head-on collision. Whic3c yqmj8 r;;cg b:(cap 176pw sv6 skcs05ebhqh of the following statements concerning the magnitude of the average collision force is correctpb;bcs8ky( sh c7;rc66ecjaq0v5q w:1sgp3 m ?

  Two equal mass balls (one red and the other blue) are dropped from thepozch3o -e1ely 9o5r4 same height, and rebound off the floor. The red ball rebounds to a higher position. Which ballr-ceyo4 z 5loohp 93e1 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 with a stationar;.c aqgwga 6-*+ vkggxy bowling ball. The Ping-Pong ball bounces back to the west, and the bowvg+qk.cga g *-g6;xwaling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce m87aliqp r4e5 off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It cqnrl09hc;m h5dsfvu pvm wt 8at :.a4ml3:)v8ollides head-on with a 6.0-kg object moving to the v. m8m:hf509t a3avnwpt4sl;mh8 :lrc qd)vu left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on axls)4cn: zav *n 80-kg halfback run)za4* xvls:ncning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum ixddl6 ixv3qeh)r76f 8 s conserved, then which of the following statements is true about kinetic edfi7 x6e6)qdl8v rh x3nergy?

  When is kinetic enerxg+3 6tp5kww6; zpmlngy conserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the #5 ik+9rl) c )zbrball moves away with the same velocity as i lbrr)kz9+)c the cue ball had originally. The type of collision is

  When a light beach ball rolling with hz (-rbjwj6()0v wmig a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collizg vj(6h0b)iw r-jwm(sion will be, approximately,

  A golf ball traveling 3.0 m/ w8gslazhp rtk )p43tp,,v 28ns to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is vp 8 r8p,lh,2nkatsw43ztp)g 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-oi(rfl)6/ sjko n elastically with an identical ball a)lr joi(k/s6 ft rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with um gb*ksvb ck3 qr4b3: z-dz unx--ja3w3wy;0speed v collides head-on with a very light object at rest. The collision is elastic, and there :u *y acwuj znq34b3mbw; k3-dk- 3vs-gbzxr0 is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  A very light object movine3b o02qtbcqbhn *6c.bc( c.ug with speed v collides head-on with a very heavy object at rest, in a frictionless environm.cb6o3he * bbb0cc2(c. nq tuqent. The 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 head-on with a (w ip*l:y u-0/hen xdualj ,u2yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the ypn,0: lx 2yjeiu(wa-dhl*/ uu ellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a very light ovd r1 2x;ht-m+ljtg:object moving with velocity -v. -m:hd+vt1l2 x ;rg jto 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 collision?

  In an inelastic collision, ifv 0bo)yh0iz ki/zr434izn.a .yg+cee the momentum is conserved, then which of the following statements is true about kai 0.ez vk /4+oc i)zyhgn40ez3ry.b iinetic energy?

  Two objects collide and stq15 oroq eq*avf 6gp o15db+2dick together. Kinetic energy

  A 3.0-kg object moves to t :+u kl3z9d4bnxgjr/h v a ym(sbd 8k5i8tte3(he right at 4.0 m/s. It collides in a perfectly inelastic colaeyt 3k d9xks/zb l b5 :+8gid n4j(8htvr(m3ulision 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 object ex :bzio+,,gxru +x -xgyperiences the larger magnitude of momentum change?z:x,+y x-ggi rox +b,u

  In a game of pool, the white cuez*8 xs-)nmwwdl-t0v* jii4qf ball hits the #9 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 qq9 s3c/vrl6athe following statements is falsea6vsqlr c39/q ?

  Which of the following is a false statb52gkq : sfd t.98zdtwy 0qrx9og m1q3e9m3 jmement?

  Tightrope walkers walk with a 0mcfzc t1l5o1 2p0 fmdlong flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodj(; g aa0tuv0/nkcz, iwf.m+j8x :) mcvli 8nhes before hitting the ground. Neglecting air resistance, 0(;.c+fvm /j xu8jclha,k itwvmin: 8a)z0ng the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level frimipcj2p*0y:j8k kqh 2ction-free road. The collision was completely inelastic and both cars quickhk22p*jj08 pim kcq :yly came to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's secon dri(,j hu :/)w8plxcfd law for a system of particles.

  What is the momentum of a 2000-kg truck travels9+hbm6kdz jmeql (:/ing at 35 m/s?

  A 1200-kg ferryboat is movbh27h ynlj.; fac3k6j ing south at 20 m/s. What is the magnitude of its momentumha63c2j; jf7nl .ybkh ?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum whlj-uuroio+2,+f ze 2fen it stri++ fo2lfe orj u,zui2-kes the ground is

  Two identical 1500-kg carswk89 9ygmj .rag 1e9uc6crd: y are moving perpendicular 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 is the total momentum9crum 969e1daywr8j ycgk :g. of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/ i*zn2fs 4jlm- /2goaws, strikes a wall and rebounds at 24 m/s. What is the change in the momefmsazwloi4jn2-*g2/ ntum of the ball?

  A 0.060-kg tennis balfe4onyk 4v3 9pl, initially moving at a speed of 12 m/s, is struck by a racket causing it4fkn4 y3p eov9 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 baseball) is p;jvo+) ciphbs3 e8uv/laced on a frozen pond. The machine fires 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 frict/vheob 8ip 3suv+c;)jion.)

  A 70-kg astronaut is space-walking od pql.c 2cs(ie:btk72utside the space capsule and is stationary when the tether line breaks. As a7i2ce: 2l. ct dbkqps( 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 ;v0tx/q3o 1db5fxyh vqgzs7(imm7/o momentum 5.0 kgm/s approaches head-on a large object at rest.gqfi( ymv5stx ;3o vq1hobx77 /d0z/m The small object bounces 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 greet your friend (40-kg ma ne vjaxk5o- qpnz6mtvx(cmtn20)3 ;8 ss), who is standing still, with open arms. As you collide, while holding eq8tvc0)5 am;( v tz-xnne3xpojmk n6 2ach other, 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 a spee*j3*yc aat vxb6b7wi .d of 6.0 m/s. It collides directly with a stopped motorcycle of ma 6txa3awb. *c7*yvjbiss 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling awq u7+ssiy26x t 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 after the collision? 7ss+i6 x2uwyq

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level trackgvkch )5gle /b8k7tt( at a speed of 2.0 m/s. It collides and couples with a 50,000-kg second car, initially at rest and wih (bl7ge/) gtck58tvkth brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligiwnhxk d*ll21m /r-8j4)ifx fgble 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 lf-jw 4nr 2g* 1kldh if/)xm8xthe car be moving after this happens?

  A 60-kg person walks on a ,a qf3r1514c7y.f4emknto rp,h mirk100-kg log at the rate of 0.80 m/s (with respect to the log). With what speed doe 4mrk.,ry51h fkc31mai tqpe47o ,fr ns the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The foar2:1( g-z) dlb xwh(be6p cfbrce suddenly increases to 15 N and acts for one mf(ba2rc:b hp x-(edz )gbwl16ore second. What impulse was imparted by these forces to the object?

  A constant 9.0-N net force aca3k;fbr5wp uvt3,e3 bef 4fa1ts for 2.0 s on a 6.0-kg object. What is the object's change of velocit ;kf a,4f eubp53wbea3r13 ftvy?

  A 2000-kg car, traveling to the ri 15zcz l,xed0av7rm v1ght at 30 m/s, collides with a brick wall and comex 0v7zev11,r zc5ldams to rest in 0.20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched7 alme;ne4b9p to you 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 the magnitude of the average force the ba4nbpem79e l;a t exerted?

  A 0.10-kg ball is dropped onto a table top. The sp4 guzkj617 xpceeds 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 zj6c4k7 pgxu1lasts 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 x ./,rkpt-jan tv1ol 1kg, fires 50.0-gram bullets, with a muzzle velocity ont.vx- jpa1 ktl/ ro1,f 750 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 of a burning building in order to kn5svo bi +e6b3wneq 77;yjq( qkock the door down. This requiree( inv5 e+bj ; wokb7qsy63qq7s 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 drainpip*2 v /sy smh(w.miu4sqe 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 forceiqs*2.( swym4h vsmu/ does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves f*-xz ga9 o5.hp6pj2 zf 3juxna velocity of 40 m/s after 3.0 s, when fired straigf pjfgz .n2*pxhx ua96-3z jo5ht up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, agvur jjwqm13 u3mhhx89 j j1,4re initially at rest in outer space. They push each other apart. What is their separation after the lighter astrjum w8 r31h vjgqxmjh,41u3j9onaut has moved 12 m?

  A 3.0-kg object moves to the right with a speujzs(hx c(*2ked 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 colxjs2k (c(*h zulision?

  A 0.10-kg object with a velzl8.ecmzp 048 s-efssocity of 0.20 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 sz4le8-s8 cpsef 0mz. 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 blghz qfe/3j2 i:ock at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocity of the block right after the cofgjzie3 :h2q/ llision?

  A proton, of mass m, at rest, is struck head-on by an alph 3- u(dmfod( xkc6hdui*q,7tl a-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will the alpha7hk6ximq(u t3u( d,d*d c-olf-particle have after the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s colvzmj 9 /rk9g8m4k aze;d 6+suxlides head-on with a stationary ball of mass 100 g. Th;4s+8zvua k /j6x9m9 e dkzrmge 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 collides yz*h1/:yrw6crtavh 7k vf-ao9w4a, whead-on with a 200 g ball sitting at rest. The collawva16-9a , w:hr*w 47vyhyz t r/kfcoision 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 srrn at zw *rgi1,h)n0*peed 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 the wrth*0, zr gn*ni)r1 aspeed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.;2 dl nhka7-*j:hmi vo0 m/s collides head-on in a pera7 n- lidmjhkv* 2h;o:fectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocit lp p.(deth)p7y v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lp7t (h)pdp e.lost in this collision?

A 15-g bullet traveling 213 m/s -r1xabvr l(( nin a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination mo lbrr a(-nx1(vves 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 collidhl+-a5 /uy1is bnhbrk h: ic-w45f x.tes with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) h-i bak.5 nrchst 1w+u4/5l fi :b-yhxWhat is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/ kxb6z2 ;t+vg2r ;8cjvf2tcveh east 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 dirgt+v2v28v; j f bt 6z;2xcckreection of motion of the cars after collision?

  Two objects move on a level frictionless surface. Objw9 -j ire+8fz:mafi ,iz d4.gbect A moves 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 cowi +d8zg4 j9.:-,iermzbffa imbined momentum after the collision?

  A small bomb, of mass 10 kg, is moviisbw.gbh553;h l t uplv.x 0d5ng toward the North with a velocity of 4.0 m/s. It exp.5l. bl0w h5i3vxdt5sugbhp; lodes 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 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, anvm m6;wx(n cbe8d6t m1d a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass on the x-axis?8mew (nd v6mmct 16x;b

  The center of mass of a two-particle system is at the origin. Onei. bz(ia7p6d (lfka9pbi8x vf uz 60m5 particle is located at (3bap8 z iiab(dz(5mf x6v6fk97u lp0. i.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 positioned as follows: 2*4f)e f5.ny .-x nnovs/dnxdh .0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). D4 )d d n5-xvsyn.onfx /.*hefnetermine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 k-wf+s0 p kp4.yc)rdqplhx+*yg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is thew) qphrc+40+ plpy*xfkyd. - s location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is prb)kb3 vxp0(b ositioned 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 mav)x0k (b3brbp sses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a whole .5 af.y:v -ffvru,zmj leg including the foot when the leg is stretched straight out. Assume the person is 1.6zm,. a vu5f.v- yr:ffj0 m tall.