What is the SI unit e4io6o 5x ahu8of momentum?

  When a cannon fires a cannonball, the cann :lohf-4pel7cr++k v mon will recoil backward because the

  A freight car moves along a frictionless level railroanz0f2q5kj4oam+y( t3r. cun m-mwz6 a d track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What haky6c(mt3a mjz a fr-w m5on+u402q.znppens to the velocity of the car?

  A child falls sideways off a sled while sleddia if 35laz0nvp (ro6n63wyg.dng on frictionless ice. What happens to 6r f(n6p3dw iloa53z.gny 0vathe velocity of the sled?

  A rubber ball and a lump of putty y*m p;g fwh*zfcc) )h4have 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 c)w z)fhc*gph;4f my*putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How wov qj 98bzem6/v1 fyw,puld you represent its kinetic 9m fp byw ezvq/6,v18jenergy in terms of these two quantities?

  If you pitch a baseball with twice the kinaczz b .dt 36vx28pg3yp3by j.yeg8-k etic energy you gave it in the previous p kz3.8-x 86bc 2py vd3ygg.yjtaze pb3itch, the magnitude of its momentum is

State Newton's second law in terms of momentuo3yv 7ng9ajr 3m.

State the law of conservation of 5g8 wrpjo irvy 9oi)x40o-:himomentum.

  The area under the curve on a Foo1 hmrmwbm5d 8xx2m3vj 3,; w(as7 ikfrce versus time (F vs. t) graph represents

  Which of the following is an accuratc1 py5 th: tfza06oeot49 gan(e statement?

  A small car meshes withls .v nr+8wfdqt:je(7 a large truck in a head-on collision. Which of the following state f87(.sd:vwtlq j +nrements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the zlhh9bhk 5as0f5)8pr 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 thrf)5hp 8hlzas5 b9h 0ke greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collidqlmu v)khu0+;e d7an- 5x-zckes 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 im7nm5d-l) vcux; -+qek0u hak zpulse during the collision?

  Two objects collide anf58p:vh8lxe h ja,3va5kgd .gd bounce off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0dnv5j ,yaju+ y)st3 1l m/s. It collides head-on with a 6.0-kg object mov5 )a ,dyunjvjs3y+t1 ling to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles h1vbo4f4tt xu3ead-on an 80-kg halfback runningtu1o4x3t bv4f
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if t+thcey 6.bx o3he momentum is conserved, then which of the following statem+6.ot3hybx ecents is true about kinetic energy?

  When is kinetic energy cons4l5lq /p3 wlecg,ewx* erved?

  In a game of pool, the white cue ball hits:2ccjx6dqy hj.) 9y pj the #5 ball and stops, while the #5 ball moves away with the )y hpjjjc:6dyxqc.2 9same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a sxak1v3mfw -az1n g-k.peed of 6.0 m/s collides with a heavy exercise ballvk xzngwf-- 31m1aa.k at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision5whk+p8lu)cff fm, - i 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 collision ismi lhcff-f8+,5 k) uwp

  A rubber ball with a speed of 5.0 m/s collides head-on elasticuy *u; .)ajf /crlyf9vally with an identical ball at rest. What is the speed of the initially stopped ball after the col*f/a u)y uycvrjl9.;flision?

  A very heavy object moving with speed v collij 9 ktm-lxu(s ,o7yj5ides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What slxjoj ky 975m-u,(it is the speed of the light object after the collision?

  A very light object moving with speed v collides head-on with a v l*xl)6p k2tozx5mj1dery heavy object at rest, in a frictionless environment. The collision is almost perfec kz1*l2x doj5xt) pm6ltly elastic. The speed of the heavy object after the collision is

  A red ball with a veloci) h57;2 tnwd3q4b flxraueq52wx 3tywty of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/sxrqwy 5lu2d ;4x37b)tfn2 e 3qwhtw5 a. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v sib7izt*pjp0:r pj/ g k6 -sf.0, uwgdcollides 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 theg6zwid*-.pst kjbpr fpui7 /0sjg,:0 speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, thewwulsukn, l/b5la8 e61;2jsk n which of the following statements is true 28llsul5,6uk jwna1ke b/w ; sabout kinetic energy?

  Two objects collide anmrrtjnx6 :; d3d stick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 ngk2l*t wpp 1-m/s. It collides in a perfectly inelastic collision withp n -pl2w*tk1g 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 stic.x6y:fco)0jghp :q, mjunr3p; 8 buzfks. Which object experiences the large.fqf:0zmybhj 8ppgucur,) j 6x:3 ;no r magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is defof716pe;*y7ewz zw k hlected 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 foll5h j2qz re)qs1owing statements is false?5 erq 2)jsh1zq

  Which of the following is amle.siwm a68+i, ioe)qb,b) b false statement?

  Tightrope walkers walk with a long flexible rod x)czshw1v/p;in order to

  A plane, flying horizontally, releases a bomb, which explodes before hittin0qe:6x 9kirzk g the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the exp z0erk:6k9qxilosion

  Two cars collide head-on on a level friction-59 3ktd;s9b4l pni)+sgnfkr mfree road. The collision was completelyl3sm9r n+9g t4ik p d;5skn)bf inelastic and both 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)9x o+rwr: muwl7b7xo of particles.

  What is the momentum of a 2000-kg truck traveling at 35 m by jf(t or.8:l)sgjigrz9-)j /s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnith* e -51u7swu s ze8tcn+t3uxaude of its moment57uts3xn secw ah8tu- u*ez+ 1um?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum whp /1o luim 1lf,1tbg3pqy1;eken it str;q11/1blo lpemtifpy 3ku,1gikes the ground is

  Two identical 1500-kg cars are moving perpendicular to each ottzn 1:ib5-elz4a3jml her. One moves with in5jbtl mz:1ze 3-la4a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, )uas 0imha1,;0w +l ztgjp;g7kuppq 2(id xh-strikes a wall and re-ig2,wjqid upahs 07a0xhug;lt;1 p) (mpk+zbounds at 24 m/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 by a r(q1us zn:hv0fon48te.m uf 5gx71hih acket causing it to rebound in the opposite direction at a speed of 18 m/s. What v1 zh 1 0o 7xunft:ms.8h4uefh5qi(g nis the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond. dd8bigb5q *eor 0 +m o:*utr5bThe 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 machineb:bgmtu rbd oore8*iq +*50 d5? (Assume negligible friction.)

  A 70-kg astronaut is spaci.oqil9 dhb :1vz.j-re-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws .hvjdliz -9 b:o1q .rihis 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-on a l28utsqbj2- vl arge object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the ma usjv2q2l tb-8gnitude 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), who tqnh6pw.hxnkp,*pt )u a*v;+:u /vpgis standing still, with open armu/hnv*ph ;p xk)qp,a.*u ptw6:v ng+ts. As you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the rigjx-0;o z 0moyxk13 f:vprs8tff(qyh (ht along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle o010 x(fkhzo smf-8jyytxr ;o3 fvpq(:f mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/nvckzlmoj+) , w3g4h6s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. +mhgzcn4woj)3 6,klv What is the speed of the cars after the collision?

  A railroad freight car, mass tqo iro8)su72 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 brakes released. What is the su 8)isotr 7qo2peed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction ggwi o 7*:cqi+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, 7cwioi qgg+*: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 0.8(4uoq9q:d4h .o-yemdtam k;x g8nv (t 0 m/s (with respect to the log). With what speat9m. u-;qtogo mkd(8h4(vxyqd:ne4 ed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. * je;giizoc 83 The force suddenly increases to 15 N and acts for one mor*;zc3 ojeig 8ie second. What impulse was imparted by these forces to the object?

  A constant 9.0-N net force ayopo;.m.s;gn b/k8h0c rmf 5gcts for 2.0 s on a 6.0-kg object. What is the object's change of velocrpmc mobyn;5g 8k.fo;.sgh/0 ity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick j dq6 modf7.la g:s(t;-s.ii3aqaa+ cwall and comes to rest in 0.2-( dot.g7i.d:a3j sq;fc alism6qa +a 0 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to yf-+ 0r *tboh9 dfyq8rmou 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 forcyh9 f bdr+80qfr- o*tme the bat exerted?

  A 0.10-kg ball is dropped onto a table top. j,7xjkf.b 0jnThe 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 j7nj0.f bjkx,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 h+3 yigz7 e(pwa muzzle velocity ipy( + z37hgweof 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 thxr g pyh3,a;k7e door of a burning building in order to knock the door down. This requires a force of 1000 N. Ifr37ypga kxh,; 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 horizon+i hiswuxk z7 ,d7,5p(i ap1d jj1s)ywtal 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 exert on the,1szk5 1pdu dsw ijhax+y )(pj77 ii,w ground?

  A toy rocket, of mass 0.12 kg, achieves a velovxlid2;nto;4zk 7 a7xcity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket en 2 7t7;l4i;xxo vadzkngine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initiej(06aa +s dglh 42symally at rest in outer space. They push each other apart. What is their separation after the lightey ajl(+ as4d6g 02emshr astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0a,5,tb(pp btw-e4c 1hzq6aq 0adm 6bk m/s. It collides in a perfectly elastic collision with a 6.0-kg object moving to the left at ,0wbh 6 b 1aq5ctp-zqt6ameba 4d(,pk 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+f nautx4:fng) -gim0m 2q6w u the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the finawfmuun2) 0mx+f t- ngqg6:i 4al 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 block a34w)+6zz (i lynfwm )ulaf8ift rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What 4)w)yu+ zl a(f6l3f iwi fm8nzis the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (whicqw 2)+4 i grndrqa/.ddh consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will the alpha-particle have aft4/a wdq.qdr2)r g+ nider the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stat:)a7hubmsu n:soad +.00m fj.o ou ol7ionary ball of mass 100 g. The collision is elasticu:md 7ab s7:lhaf.o.mos)un0j+0 oou . 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 vntz7.cp(9l8bzyy+p.kad o, rcfa0- / vp j2c.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is c/pr v +zok. a 7b89lvcpd-cf.p( azt,yyn2j0perfectly 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 withfsnpj a,/uo1e:1*ym 6p/zrel a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speede*rez1j 16s /plna: of mpuy,/ of the masses after the collision?

  A 2.0-kg mass moving to the east at a s vsw+ra9q x.d/ie bp6 )g4-u5xrjwsr;peed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How m6/5d-9 u)gasper sixq ;v.x4 rwjwb r+uch kinetic energy is lost during this collision?

  A car of mass m, traveling with a ad jn7p* p w,-2rm rr54vdja1hvelocity v, strikes a parked station wagon, who's mass is 2m. Tnrjv-p* 2,hd jad4pm5ra w71r he 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 a vertical direction buries itselzj ;wdl ipbi0 dni*lk.9-p(h9k w+jm+h9qgb, f in a 2.4-kg block of wood a rest directly above it. As a result, td+qgbp9dni+ ijmk b ; lh-j,(kz0h9*wl9wi.p he 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 c6w/deupywqr ; +- *tcbar traveling at 60.0 km/h south. The two cars st tb /e6r+d-c*;pwyuwqick together 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 east collides with a 3000-kg car 2 ey1o)8 i-nlpc uirs0traveling 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 collisioi-iuso 0 2)yl18eprcnn?

  Two objects move on a level frictionless sm y : *3x-8qmdrltgej2urface. Object 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 theirt3j -*dm8yrqxm:2g el combined momentum after the collision?

  A small bomb, of mass 10 kg, is movini bmn 3.mir-ujtw3r() g toward the North with a velocity of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving west w(3t3uriwjinm b.-r )m ith 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, and a 10.0-kg mass si:2gwko6o.+ by+s)q,z5 if f mtdr8mktts at x = + 21.0 m. Where is the center of mb6zm tdkfokgwri2+85+ .mo):ft,y s qass on the x-axis?

  The center of mass of a two-particle system is at the origin. One particle -7 gnnhe*rg c5hhtkbq (;6)qmpxl 4-sis located at (3.0 scq tnb qgp;)nk 5h67-4(xre-hlmhg * 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: 2.0 kg at (0, 0), 2.0 kg at (:;li-* tlmi eg2.0, 0), and 4*l:gtil; - mie.0 kg 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 ats(pj9 sr yut5- (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of massssrtjup-( 5y9 of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is positioned at (12,i*lku huq /4nb8ch 4.m 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of the system of three mass8qui h/cn.lbk mh*u 44es being located at the origin, (0, 0)?

  Use Table 7-1 to calculate av -ef9u1*fujw h4*ewoyarp6(g.k /k the position of the CM of a whole leg including the foot when the legk-fhaawk 9o4yu p/r*.(wj6eev* gu1 f is stretched straight out. Assume the person is 1.60 m tall.