What is the SI unit pdkwdyy9-x* duh w8tlf7e4t(y, c7z7of momentum?

  When a cannon fires a cannonball, the cannon will recoil backward becausm;7 jn euclgw9r9-5pe e the

  A freight car moves along a frictionless level railroad track at constant spc-tr +7u z8ebx8d g-ndwk,*ameed. The car is open on top. A zx7-tc w-d r+, k8gad b*emnu8large load of 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. What hap/8 edz1 1ivl8j(w fnkdped8(1z1j kflew8nv/id ns to the velocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrve:n 0b 2o7cmc 2nhtm/own with equal speed against a wall. The ball bounces back with neant0c2cev 7/bhn m2o:mrly the same 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. How would you representz)4d4x/ba ;ky t rpks43g,dvh its kinetic v,pdr/4ka thbgky z;x 44)d s3energy in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy yor4- fwcsj5tqwh27wmw 2*kaa 3u gave it in the previous pitch, ttw*53 qcj4w7 s wwa r2hm2ak-fhe magnitude of its momentum is

State Newton's second law in km1bx( veo4blc).ug. ;ipow- b ij;l/ terms of momentum.

State the law of conservation of momenb kpjyb5w-.cf +nvn(9 tum.

  The area under the curve on a Force versus time (F vs. t) graph represent2h2r 22pznb:b mngb2cke :zo( s

  Which of the followik;au)x( gj1ku y1*xgvr+ axl7ng is an accurate statement?

  A small car meshes with a large truck in a e) zq *syv:ib rv.z( ;0fw8jlj7vjt9vhead-on collision. Which of the followif t)j; : (zjyl*iv9v jq87r svz0we.vbng statements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) a +toygapa ia;1+*nns0re dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its collision witny ania0g1+;*as +otp h the floor?

  A Ping-Pong ball moving east at a speed of 4 t8 /hxtz 78m iz39xpvtm/s, collides with a stationary bowling ball. The Ping-Pong hx9i8tvx8tmz3 7t z/ pball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce:.d/drny zot psy5sz0g dqmd:g9;,s4 off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/;g kcfsin58, ns. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which snnk8cg, i5 ;sftatement is correct?

  A 100-kg football linebacker movinz3h9u)5 cqtt adf14wb g at 2.0 m/s tackles head-on an 80-kg halfback runni5hqa futbw1z9t)d3c4 ng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is czb2 f6q s5n0ifczg**yonserved, then which of the following statements cnq *sy5 izfg2 fb0*z6is true about kinetic energy?

  When is kinetic energy g qi)+3nzl /a5t3ik: w-pdw puconserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, /lneutm d1-; asbqgzo:xi+r q c;7)9fwhile the #5 ball moves away w ga fn); s/q del zi-qu1m9:rt+bc7xo;ith the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed ofnk;,xb3-i8s5j h264igbz r cdo e(o wv 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision will be, approxii6 zj edvhi(-45 borbs ,23xogw;8kcn mately,

  A golf ball traveling 3.0 m/s to the right collides in a hey 1sj7in..ygl1bi v; oad-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed;vi 1jg .lys17ib.yon 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 idu9i gtm.tr5nnlq8-w ;zhq*w 4 entical ball at rest. What is the speed of 4*itw8qzm rnu5.;htg -9nw lqthe initially stopped ball after the collision?

  A very heavy object moving with speed v cp., c hf:/btpm7 ;gm6hfml yi)ollides 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 is the speed of the light object after ty),hf p/mfimgm.h7 :6pc ;blthe collision?

  A very light object moving with speed v collides head-on with a very h81d vcy/nxx:z eavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after the col8 1dxxvn:/yzclision is

  A red ball with a velocity of uw0;6vn6q9h0 3: e1 e:vavehy hgbbul +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velo 6v0ubuh1a6:9qh3eg 0w;hb ve: lne yvcity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velx.rrmi- 3jzs b6dx*eo;j*1cwocity v collides head-on with a very light object moving with velocity -v. The collision is ejmcxxdbe.3 s*j;rzo16*-w i r lastic, 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, if the momentum is conserved, then which of the fon96wj wl :ygr1llowing statements is true abouy1gwrn9:wj6 l t kinetic energy?

  Two objects collide and stick together. Kinetic energj)kkesrn28 cf9i2ue1 nmy:0qy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inela z*l+mrmjs5(r1ee(7 ir0, cab f2ryi kstic ccr(sr,by( *m1rfm+ek7 ji2 0ira5e lzollision 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 obja seo)j3f)c 0 pqq3zr4ect experiences the larger magnitude of momentuf0oq)s cp3)3a4qrje z m change?

  In a game of pool, the white cu ch4v*forzab.h p7 k63e 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 state;cz5;loiyl f *ments is falso* yf;lz l5;cie?

  Which of the following is a fql-xe 4+fi-nl k, z:mualse statement?

  Tightrope walkers walk w u/pama m)2.ec-5cbn kith a long flexible rod in order to

  A plane, flying horizontally, releases nonq ,) )0 h9edbo0gvwa bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after theo v),n )bonq0wd09hge explosion

  Two cars collide head-on on a lebm 4g9j/nsnubhd:nn 0zo.rq 2b.ewo +aj;,r1 vel friction-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 sys9nb en,nj r+ 2r:dmoojb/za;bquw hgn.041 .stem's center of mass?

State Newton's second law for a system of particlkbp7q xgjf-xjzz;up 1:*7 l .yes.

  What is the momentum of a 2000-kg truck traveling at 1y5rm.y k d g-e*;vzek35 m/s?

  A 1200-kg ferryboat is moving south at 27cxg4xz zg ,y40 m/s. What is the magnitude of its momenxc4g y,7 g4zxztum?

  A ball of mass 0.10 kg is droppgbj(fl7gsqbk 4u k/*9ed from a height of 12 m. Its momentum when it strib qlskbu/g9 g*4 fkj7(kes the ground is

  Two identical 1500-kg cars are moving +sbp 2zni4e lz1z w6h: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. Whlzznwbz2s + 1h pe:4i6at is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, strikes a 8z e0/oza*g4ohx hir5 wall and rebounds at 24 rz0h/*e54zooag xi8hm/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at ql 5cf15,sc4/oqpkgpa speed of 12 m/s, is struck by a racket causing it to rebound in the lckq4qsc,1g pp/o5 f5opposite 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 placed on a frozen pond. Th g7oesxd-pr8/ e machine fires a 0.40-kxe/s g7r-p d8og baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking ouo u/ spcd r6farsh);s*oki8k6z b-(c+tside the space 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 speefsk )6-6* rz ocshusorbdpac8/+(ik ;d 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 kxip+-vmr f;8/ho o)otgm/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4;tr/imov) pfoo8+-hx .0 kgm/s. What is the magnitude of the large object's momentum change?

  You (50-kg mass) ska7g :zp q-g5sohte on ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding ea7:g hzp o-sg5qch other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a level:kqn+p*-r u,d ( ekjrj, straight road at a speed of 6.0 m/s. It collidrk j+e,*q( :pr-unkd jes directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling annve04a1f lk/ 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 coll4ev/f n alkn10ision?

  A railroad freight car, mass 15,000 kg, is allowed to coast 7qso)yaek -wp xgec g/*;+klj 05 h6gkalong 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 reqxpg+age)/k;5l - 7kekgj*6s0 ywhocleased. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction ug-b k(9hum r 0t +cavc+).iqdon 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 b+g vc)m+.9u ku(t idr 0ha-qccar be moving after this happens?

  A 60-kg person walks on a 100-kg log at m vrm x4csco9+1.duds zi4q-) the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect sq9xud4moc+r cdmsv )i4-1z .to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force cbcobrs(pu s0780b /usuddenly increases to 15 N and acts 7b (srbo8c psbcu/00u for one more second. 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 object. What is the mxmv/ 6po,vx.object's ov.6 mpxv/xm ,change of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides wi 9*.xgk chbou;th a brick wall and comes to rest in hc.xgu;9 ko* b0.20 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 t518rokf.kt kthe 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 aver5 o.tf8kktr 1kage force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the wh 3:mgf.q-pi ball right before and right after hitting the table top are 5.0 i3hf:mq-.pw g 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 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 velocitye; wdpe1pv m(, of 750 m/s, at the rate of 300 rounds ve1ep,(pw;dm 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 knock to* 3yq n.(dagghe door down. This 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 backog*3q g(a yn.d?

  Water runs out of a horizontal drainpipe at tax5sn re(bspt l6 l0 rwxn,8 */)y*ztahe rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't a)nw( rab 6x**rsxp lnt58zl0, es/ytsplash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velcqphuc. i f+9n10q(oxocity of 40 m/s after 3.0 s, when fired straight up. What average thrust f +o(c1qxq hic0. unp9force does the rocket engine exert?

  Two astronauts, of masl 0eg/7 psd e cqc .lji;0.xn:whli3w3 /1rmkises 60 kg and 80 kg, are initially at rest in outer space. They pushiq/;i:lsd0 rj/ elw 3wi1 7h p.km3xegcl.nc0 each other apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to v, m8l0k)-nl* ajv irdthe right with a speed 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 cn)i8 ld 0ar-jmv,kl* vollision?

  A 0.10-kg object with a velocit65 mcguzuu)r2v +l:oky of 0.20 m/s in the +x direction makes a head-on elastic collision wit 6cgv)u5m r+lz2:kouuh 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 30 k hyk4p0qq:b6;kpc/o0 m/s is fired into a 1.00-kg block at rest. The bullet emerges hq/p poy;0 kk6:q 4bck(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 collision?

  A proton, of mass m, at rest, is struck head-on bw smp5: g//sxuy an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed w/gx upss/wm:5 ill the alpha-particle have after 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 staqk+ kb 7p3+4dgmk( aqwtionary ball of mass 100 g. The collision is elas a( q 3pbd7g+wk+kqm4ktic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving towu ;wbd:ac .;4yws1u 4b3eh dyzard the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision idac ;ys;31wb4ezhb4w: yu du .s 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 spefr7jzs/71x ku ed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision7fxs j/kz7 1ur is perfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speei+ n: t-nh+q:bvkk rn) mdjj4)d of 4.0 m/s collides head-on in a perfectly inelastimt:rqjkn : vndbkj +4)+) nih-c 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 velocicn(;sx ,lg /eh7l aeq)ty v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-oxh/)q g; sle e,(a7cnln 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 itself in 2zpcxzwsh 6j:lqd.e0* j;l h0 a 2.4-kg block of wood a rest directly above it. As a result, the bul hh6 zjz*s dc 0.lje0lwpq:2x;let/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 i8 sq5gt3a9w -i-q hvja 3000-kg car traveling at 60.0 km/h south. The two cargis w qv 5t-qa89j-ih3s 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/0tb* :f + yjbiprmj7y;h 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 direction o mj0f* yi:jbtbpr7y ;+f motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves easam d04).ksrb *ruxmgc gxmb(hih a3 8w*3k7t :t with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They mad hkxb )a3.bm*gu0ih *8(kw gm a xr:mt437rscke a perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 1utasecr :-p -dd5d- u*0 kg, is moving toward the North with a velocity of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragme:p--e dut5cu rd-*da snt 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 org agfwiubo9g u v:57n-j9 :qdti 4.f1axbox+ 4igin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of masobb 7xw:j-ofu1gi n:5 g 9g.a9d i4 4vuqxfa+ts on the x-axis?

  The center of mass of a two-particle di)o 2,7vbdffsystem is at the origin. One particle is l,o7)b ff2ddv iocated at (3.0 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: 2.0 kg at x vsnd7 coo*u f6 air(q3jx976(0, 0), 2.0 kg at (2.0, 0), and6foi *ucxso 9( 76n jrvaxd37q 4.0 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 juts eq 8+fe1mgy:..y 1u/go xlocated at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the cengx..s:/81yo ygejfqm 1 uue+tter of mass of the system?

  A 3.0-kg mass is positionedqe9rz r)nr6t ) at (0, 8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result z)rq6rner9t) 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 the CM of a whole leg including the va8qd e4v7 (rl0be8jrfoot when the leg is stretched straight o4vv(lrq 78 ae8re0dbj ut. Assume the person is 1.60 m tall.