What is the SI unit of momentumqenyt-wir;. /uo,e j 8?

  When a cannon fires a can b ullh02-w6kxnonball, the cannon will recoil backward because the

  A freight car moves along a frictionless level ra gf/yrgcvn7 6v0 d, xqrs7t k8*qu203vh -xjnhilroad track at constant speed. The car is open on top. A large load of coal is suddenly dumpvg 6d-7r 7 uxg0qj82nn s *rt,0/y3fkchvh xqved into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frbk-4mdnq3jm1kb-o07s uert mu+s9pb3 r ;dw /ictionless ice. What happens to the velocity o nsmk1+7 3wp4u0bu jt -e3 / okrqmmbsrd9-;dbf the sled?

  A rubber ball and a lump of putty have equal mass. They are r px*c*/anl.c t1m0 g5m9igchthrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it 5 / cx1agr*0m9.mhpncglt*ic 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. How would you represent ih pq 5:rdp0jz dg3b5e4 alrr12ts kine3ap4j5pbdrlr51rg zedq2 : 0h tic energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in theasb7idd r8j i1g/si9j re.;ke : oib(3 previous pitch, the magnitude of its momentu 8j73rgd/ iek:e o.1r9isa; bisi(bjdm is

State Newton's second l5m ky*nn5 qdq i) 1y0h(fs1cmyaw in terms of momentum.

State the law of conservation of mome9tvyp 7 epl)6bzeq. i;ntum.

  The area under the curve on a Force versnwa.gmq* / qk9us time (F vs. t) graph represents

  Which of the following is an accurate stajuzd-vx fhc d,9.:e,ec+ l8zstement?

  A small car meshes withve v46n4guu;f4(ad u9r ugw6e a large truck in a head-on collision. Which of the following sud4e 6nru ;wfeu v4ggu6(94vatatements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the tst4+3:ef cj z8sv2jpsame height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected to the greater mpj s:ttc+8jvz3 2sf4 eagnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a sp*kd8 xm/ m:/a5t qtqdqfvt te6h18 bs kt.ft69eed 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 matt t *e.qtm6 qt /15fh 6xq/k fd:89dbmtasvk8gnitude impulse during the collision?

  Two objects collide and bounce off each other.q:/ornu ,bh /n Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It co5mjzsoku7o dn) (b)l3ti6 x t-llides head-on with a 6.0-kg object moving to the left at 2.0 m/s.z()id -m ) tost7xj3ub5lon k6 Which statement is correct?

  A 100-kg football linebacker eadt tj t2;hst80bvj/x/5r;,qzjl 1m moving at 2.0 m/s tackles head-on an 80-kg halfback runningsbjmt jd2e;/tlz/08,qvt r h j1x5;ta
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collis9:;m3/grekryfd i 1m;5s n hjxion, if the momentum is conserved, then which of the following statements is true abgk/ sed;53hir: 1 xmyf9rnmj;out kinetic energy?

  When is kinetic energy conser y ry bc,d shqp1;ir):hok 3l5:e;il(wved?

  In a game of pool, the w qe6/fu6:u0qj lvk:t nhite cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of collisijlk uqen6 /0:f6tv q:uon is

  When a light beach ball rolling with a speed of 6.0 m/s collides with a heavy m p o4b/u-oux5exercise ball at rest, the beach ball's speed after the collision will be, approximau-u mp4 b5oo/xtely,

  A golf ball traveling 3.0 m/s tokxx yn :5jo3r3 the right collides in a head-on collision with a s5rk:jxyn3o x 3tationary bowling 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 5pe;-)whnq wx*vocb 9y2+v1b y.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the initially stopped ball after the colli2whow )y1vc;ep9+v bxynq- b*sion?

  A very heavy object u;4o , uzv+d,1*ilmnsrup e1dmoving with speed v collides head-on with a very light object at rest. The collision is elastic, anul m,euopn1 ,d*i+urs4 d1zv;d there 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 vd1 mze-f9mb*f collides head-on with a very heavy object at rest, in a frictionless envir b-f1*9mz emfdonment. 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 3 ufvb7mai;h) yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velo3vb;)ihu7m a fcity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a very liul5tw)s1eav 5r l.jtgfv+z+e. g7)vmght object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows down. What is l7.t) s +5mv lvz .ug1fjew e5rat+vg)the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conrilw s/n;e)99edq dd2served, then which of the following statements is true about kineticred92) dieql wn;ds9/ energy?

  Two objects collide and stick together. Kineg 14zc- 2uwcbytic energy

  A 3.0-kg object moves to the rsty-u2hnll7g2p +r 2light at 4.0 m/s. It collides in a perfectly inelassp2y r7hu+ -22n glllttic collision 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 exper8of-0osvvv fl /o,mu7u*p9ls iences the lar,790svulv - 8of/l*vsmp f oouger magnitude of momentum change?

  In a game of pool, the white cuep i(oh2 )ln0jp( dlyinuu r;.( 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 the following statemclb)4, mkmu0rents is falsekb0mc)u4rm l, ?

  Which of the following is a falq*ordnbr)3;y 6 g:zem,ev3z f se statement?

  Tightrope walkers walk with a long fl-nh-)iyw f ipvr /1g.cexible rod in order to

  A plane, flying horizontall74ajjhs/4z v+ i qfgy rml1wp*,3c:rjy, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the1iv4 sj,r jrl:/ 4pha+gjyz wcq3*m f7 explosion

  Two cars collide head-on on a level friction-free road. The collision was comfl*wwj)8khx m bva62/pletely inelastic and both cars quickly came to rest during the collision. What is true about thlka6wv *)xmhjw 2b8f/e velocity of this system's center of mass?

State Newton's second law for a system of pk aua l*k4u(og1*hf c(x,qdm-articles.

  What is the momentum of a 2000-s 53wtzt*plaqy;h/nj we / :d;kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is movingtl)n+ a;c5lav,zlj s8vb+k*s0yl aw):xy 0en south at 20 m/s. What is the magnitude of its momentk na5sjl z:0wa,ll+vxny8;0lbv +) y) sect*aum?

  A ball of mass 0.10 r8t3u b. cgor/kg is dropped from a height of 12 m. Its momentum when it strikr3b8o/g.rt uc es the ground is

  Two identical 1500-kuc:7 9xsdmem,.8*d iu9 zuc mrg cars are moving perpendicular to each other. One moves with a speed of 25 m/s du :99duu. ccemsirmx8m 7uz* ,de 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 r5ctlh/6p5he;at2dmc1y e8vm o r+ 1hhorizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the e/c e+lvrc ;hryt5a1h 182 o6dpt5hmmmomentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is stru0dckmrv)v p/eo,.ls* ck by a racket causing it to rebound ip ,*or0m.vsedkc /)v ln 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 basebata1mh 3(.smul :un4 v:w jnv1 lmj,nu0ll) is placed 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 friu4n tv01(. uj1m ulvh:sn ml3w n,a:jmction.)

  A 70-kg astronaut is space-walking outside the spa*zx gls; fn(b f+7ch*rv9z, dou ggoth:8 x+9rce capsule 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 flggso*g9+huvxn z7 xd* 8,9ff+c;rzto rh b(:rom the capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 ky.r 9 9zj*aff p..jqkegm/s approaches head-on a large object at rest. The small objecpkj .q9y ar .jz9f*f.et 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 4.0yo 7p p2;mkuo9 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holdinpk 27opum 9yo;g each 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 -/u* wcrh.ydb speed of 6.0 m/s. It collides directly with a shr y*u/-cd. wbtopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/ ;fprpwg21zn:ws6: wg s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed f p::rw2 ;wpg zgns16wof the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along anqq aq9g ubhfk:0 lfma .5985q level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg sec gnb8ma:k5qfqqq9 5.f 0u a9lhond car, initially at rest and with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of massaan* 0bdith o/ ,.zne:q7*kf x6dnggye.1m.v 200 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straxt*nmna 1 d.b :0gvg7 ean/ef. hyi,.kqz*6odight 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 z br1i scz1e99*ffx )xh9b8j ion a 100-kg log at the rate of 0.80 m/s (with respect to thec99i1h fzxi *r) ezbfx81bs9 j log). With what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an objec0od47 *awm wcit. The force suddenly increases to 15 N and acts for one more second.a0cdm4 owiw7* What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg objmizgr95ewt,dl, ijf)l6 *;lyect. What is the object's change oei9z,5 t* dyl g,m; 6rifllj)wf velocity?

  A 2000-kg car, traveling to the right at 30 m/s, )tm*h9g np lzhuv/0zt39 e1xicollides with a brick wall and comes to rest in 0.20 s. Whattl 3z9/9tp h u xmgheznv0*i1) 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 ox;iovb-j1wwq a*0z0p xvleplnz,ja6 s ;:6+ along the same path, and at the same speepj- qzxwx1j*;v: ls iaa0vpo w0zon+b 6,e6l;d. 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 4ojug8.v 5isv7 sxf4aonto 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 magnitui8 4v7j. a4 su5sgfoxvde 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 a muzzle velocituj zbcu(n 5n;,y of 750 m/s, at the rate of 300 rounds per minute. What is the averag(nz j,b5; cuune force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building in ord ne9eby e6m6pik gmfu;;e h)tad-9fc03 t.b *wer to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the minimum velocity of the strea c)3khm9be n feam6eydpit;fg ut9ew. -*0b 6;m needed, assuming the water doesn't bounce back?

  Water runs out of a hfblzq:r 8f 70norizontal drainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesnqz 8l0f:7nb rf't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velock/pbqn mr-fumh9m , ;2ity of 40 m/s after 3.0 s, when fired straight up. What average thrust f-92,np m ;mbur qk/fmhorce does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer space.rh;3c zhx63:hbw cyf.*ml 2b v They push each other apart. What is their separation after the hwv. 6b3bcl2 xyh 3mhf:c*zr ;lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. It colzern 1k2()oxilides in a perfectly elastic collision with a 6.0-kg object moving to the left ate )nixk(o21zr 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a vc89c/ up h/d5qsy.e5rrw;j kn elocity of 0.20 m/s in the +x direction makes a head-on elastic collis/cw.c n;s8p dqk reu5jh/9yr5 ion with a 0.15 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 m/s is fired inoyf3c21/j ewih 3w/ 40gypuln2, itawto a 1.00-kg block 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 hnw233/0cwuyfg4a, e/l jii pw 2y1t oright after the collision?

  A proton, of mass m, at rest, is struck head-kq0sw; (vl y+qon by an alpha-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? (Assume0v ys+;wk(ql q the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides heabx-r.m8trf9b, x g9kwik 4dz8ryz7mev(j 8j.d-on with a stationary ball of mass 100 g. The collision is elastic. What is the xkjr m i g9e(z.8k8-v7b4w9m r8. zyf,dxbt rjspeed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 mpq (57ega4 cx j1vzfr(/s collides hea7ga( f evzxrq4pj 15(cd-on with a 200 g ball sitting at rest. 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 g c2h *t60wa9e50tdn8 thvnehwith a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speegatd295nhtn hhe0* 0 vew 6ct8d of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s co* z(q4ir67 te aymiz(reujfx25 by 4+ullides head-on in a perfecxru6yr4imt bj 54zq( i7+z*yae2(ef utly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling)vssv5(4ggil7f 22d bzqtj t0 with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic czv)dt 27vfs(l 45igb s2qj g0tollision. 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 itselfk(2tx *jsq l3rm5c j)v in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves 5*3(lvqjjkx)2tmsrc 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 collrnba )u qx5 k-, cy0i1ldmw,k3ides with a 3000-kg car traveling at 60.0 cq5nkmal)d b i 1,x-3 ,kwuy0rkm/h south. The two cars stick 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 e hrwfkgw;l3f is v)iw7+i95 j,ast collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together9v,) +i3 swi5ffhjwiw; kgrl7 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 surface. Objea v nml.6zsb5y,+xv /(* tnjbjct A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelasticx a j+t6nnv5 z* /s(bvm,bj.ly 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 o7j y gq/.frqz2r6u8*xro*cf ff 4.0 m/s. It expy *qf8ofxcjz7 rrg.6q2 f*/rulodes 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, and a 10.0-kg mass sits aj s4pnpti+) 1ft x = + 21.0 m. Where is the center of mass on the x-axis)1p+ 4tpj insf?

  The center of mass of a two-particle system is at the o3 h5, aeo6)wz*vwoctf rigin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What *6a,to 5fz o) vw3ehwcis the location of the second mass of 3.0 kg?

  Three masses are positn 3 rc+u0k uavl83 fa1.qb4e bq98daxtioned 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 coordinates of the c.33+u bvabtkacrn90 ueldafq q8x14 8enter of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, agi 6207a )fqks51kjxl 4;a f8ng ihnlpre located at (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 sys1jlgxp k;7fk) 5s afg4iql2h8a6in 0n tem?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is positionedtvad de)7+ d tzi4i+/m at (12, 0). What are t/mi +ae+di dt7vt4zd)he 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 calculatev a 1pkht.h2s0yqzv 0+ the position of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the 1 ha .y0qk+0h zpt2vsvperson is 1.60 m tall.