What is the SI unit of momentk50vz6wzq b 99tx4ow tum?

  When a cannon fires a cannonball, the cannon will rehr.c/t wn+m :np 5xuh:n*um8z coil backward because the

  A freight car moves along a frictionless level railro/5-, nnejkxrsya9s 5 zad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the sr,xn e5j/yn za sk5-9velocity of the car?

  A child falls sideways off a sled whileqhxv f6xd82-f sledding on frictionless ice. What happens to the velocity of thx vqh6x8ffd 2-e sled?

  A rubber ball and a lump of putty have equal mass. They are thrown with equa(7vxi f c o;w3hjpkhe 314,smjl speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which ;3cp (x31se v7jjhwmk 4hio,fobjects experiences the greater momentum change?

  A sailboat of mass m is movin1 f*znhld2h f0g with a momentum p. How would you represent its kinetic elh10*h z fn2fdnergy in terms of these two quantities?

  If you pitch a baseball with twice thbn 5arbv+xj kc.)*k.ne kinetic energy you gave it in the previous pitch, the magnitudab*vnkjxk)5rbcn ..+ e of its momentum is

State Newton's seconp d3:mfpe-yuj( n tor0n:*q4ed law in terms of momentum.

State the law of conservation: 52zx75aizd vicsa/z of momentum.

  The area under the curve on a Force versus time (F vs. t) graph repli l0ibkqvgyd)vps1 m89*+n (resents

  Which of the following is an ax1 qk9;uusb:x;a0(: wnsvb7qmrg m:sccurate statement?

  A small car meshes with a large truck in a headm ;b06cj9am) fwflot:y 1mn1i-on collision. Which of the followi fi :1tjcml)0w9bfo6mm; 1yanng statements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the 6y 7y,pqe tay.other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is sube y6.a,yqy7 ptjected 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, 4jmxjt,a/.id 8g 6vlr collides with a stationary bowling ball. The Ping-Pong ball bounces back to ,j xj./ imdrg4v6 t8althe 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 off each other.p4n0lxmsg bq) .u*h 3o Linear momentum

  A 3.0-kg object moves *;wym:bv: s;t z-iojito the right at 4.0 m/s. It collides head-on with a 6.0-kg object moving to th:zi bi v:j-omt*s;;yw e left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on9tcdf wfsz(4: an 80-kg halfback runn4d s wct9(ff:zing
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conseyq:)w.cy(mt : /wrwy arved, then which of the following statements is true rca:w/ qt:yy.wy)w m( about kinetic energy?

  When is kinetic energy conserf9 ogxp ()poj8ved?

  In a game of pool, the whit.+ xtrpy43rfh e cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity.4rx +ytph3fr as the cue ball had originally. The type of collision is

  When a light beach ball rolling 7i,on nz, jznyoy7as qx7. 2r.with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed aftxnqaosn7 z7nr,jzi.y72 y,o.er the collision will be, approximately,

  A golf ball traveling 3.09u;bizae+2*5 a sis.xeda/ng m/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collix ab2n.; a9+gi deu*szs5 /eaision is almost perfectly elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5zltt+uf) 7r3x .0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the initially stopped ball after the zf t)r+txl u37collision?

  A very heavy object moving with speed v collidej (b*m taxb,s3s 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,3b( tsbx a*mj the light object after the collision?

  A very light object moving with speed vq5k9qkf xz4cwi:v8 e* collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elaste:4zq8k5 9qxi kvw c*fic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides heaj 1konev+yr +rjp7y -5.tpuz(e6 6ityd-on with a yellow ball of equal masrj y(ne.- i6r6 5+1+pozu vtkyyj7ptes moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with veloci -z2r,+ d4w2bobiqd vs)mt+m xty v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is + d wto-z2,xmdivm4r b2bs)q+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 conser9*+h5soxnwfj/ n1q f ived, then which of the following statements is true a1 f xqnj5ni9s /owf*+hbout kinetic energy?

  Two objects collide and st,zwj4mltl7,i ick together. Kinetic energy

  A 3.0-kg object moves to eev,8rio 7o s;the right at 4.0 m/s. It collides in a perfectly inelastic e v 7e;io8,orscollision 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 la npmhem+k+a v4y3o 0 j31i9kinrge object and sticks. Which object experiences the larger magnitude of momentum change?m4v ii 3n0epaky3mhno j+91+k

  In a game of pool, the white cue ball hits n. twqmn*uc(/ bkw:t 1the #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 followin+tj:f zpp )ne-bie(3og statements is falsepi-pz fnje3+t (ebo): ?

  Which of the following is a fals7x* -dm exnc5+-e njwee statement?

  Tightrope walkers walk with a long fd)eoe2jbtt)m4w y +:rlexible rod in order to

  A plane, flying horizontally, releases a bomb, which59l );ktqa vzt i7re:o 5l7,ykc/cbks explodes before hitting the ground. Neglecting ail)i5a9ekl/q;,tc 5bkto7y skcz7 vr : r resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level fricti. 3z+ ku+4dypdfprr- hon-free road. The collision was completely inelastic and both cars quickly crdhr. u4y+p fdp+z- k3ame 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 of paro-kihls + t:.(: vllwlticles.

  What is the momentum of a 2000-kg truck traveling at 35 + -0d7ruguhik m0h+zt32ok,tjbf0 nlm/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is th8rz 9u3. k7 wy+cfclnce magnitude of its momentkw8 fyz7 9cuncr. c3+lum?

  A ball of mass 0.10 kg is dropped from a heiueg:ti );r 6vmght of 12 m. Its momentum when it strikes the gro 6vte i;mu:r)gund is

  Two identical 1500-kg cars are moving perpendicular to each other. roke9*0 17zov ex,n jo3uus +wOne moves with a speed of 25 m/s due north and the other moves at 15 m1uvon, ukjes7 9 3r+wxo z*e0o/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizont2i:)nne cs *bj y10zv8muom y 3rs)5ulally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the momentum of the ball )ly5ni8uj ecm0s3y) sr* :o nmz2u1bv?

  A 0.060-kg tennis ball, initially moving at a speed of 12 0jag 2nv xysnm.g56ii 2/f-xc m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What is thcmjs.5v ax nfg/-226gx 0 yniie change in momentum of the ball?

  A 50-kg pitching machine (ex*snrz x4ri g4c s0v.p5cluding the baseball) 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 or4 .0vpg* rxiczsns54f the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-war /x ycmg4c,of.nhwi4u3 :9a flking outside 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 speed of 14 m/s away from the c4wyc /gc 9: .,ax4o nmffu3rihapsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s ap(,w4lx.h:i2 ovraqw z94 u-oweokqfg) ; s0t iproaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's moment 4-uwk:aw,lhx4i) roi wgo 0.2zo (q;efs9tvqum change?

  You (50-kg mass) skate on ice + )r w/7-ng-ltp:yhxf 2mfl loat 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move f+lo2xm-/wflnl phy)-r 7 g :toff together?

  A car of mass 1000 kg moves to the right along a level, straight road at a spel; 0dnpg5qu7ied of 6.0 m/s. It collides dired gi5;7ulq pn0ctly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at /foq123el*b gqjtjg7)xdn x 7 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 cl o3/gndgt1j2j xx7fb*e 7qq )ollision?

  A railroad freight car, mass 15,000 kg, is allowed to coa v)e ggg90puu.st along a level track at a speegg.9gu)pv 0ued 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 speed of the two cars after coupling?

  A railroad car, of mass 200 kgr kvo2w3n7xrzj 4:tn:*7: g u*japfn a, rolls with negligible 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 the car be moving :fxu*r7na 7 :v3pwj2:4t ang*r jokznafter this happens?

  A 60-kg person walks on a 100-kg log at the rate p7qel hk7-;fcof 0.80 m/s (with respect to the log). With lphc77qefk -;what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly increases to 15 3yr7 cef)d :np.r1evfN and acts for one more second. What impulse was imparted by these forc3:f) e v1.cdprfy7ne res to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. What is the obj1c1n p 0wy nqd3(j( )nmfmczf;ect's m nfmjd;p 3 0w 1c)cynz(nfq1(change of velocity?

  A 2000-kg car, traveling to the right at 30 m/s,jspk +:zu/kp9 collides with a brick wall and comes to rest in 0.20 s. What is the average fo/s9 ppk+zju:k rce the car exerts on the wall?

  A 2.0-kg softball is pitched to you ad5ne ico5o,(f t 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 mag f5ioc(5de,onnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. aa4daae:74 n2qot ;.sxo y kn1 The speeds of the ball right before and right after hitting the table top are 5.0 m/stxka;na1.: 7nae4ys 2q o4a od 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 gw5oju. j jr3*kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exert 3j wjg*5ojru.ed on the machine gun mount?

  A fire hose is turned on the door of a burning building ir57whbp n2 l8drjvm+gb:x t ,26p;sbin order 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+ :r2nh27 mpb dl58;i 6gs b,pxjvrwbt of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 1,ll0eo gk;g9u20 kg per minute. It falls 3.20 m to ;u9,ego0k lglthe ground. Assuming the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achievsslvd 8d7iwt3-vk8 v d):wup:es a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force k sv:vd 8w)wv3ti8:7l-du sdpdoes the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at mb,j6rx* t1m 7o8bqysvipe 1(rest in outer space. They push each other apart. W 1bpi *1(eoq ytr6bm8,x 7jsvmhat 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 m/s. It colpczzr,tqiq,ip( 5 , u(lides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the toiz5 t(,pz,(iqupc qr,tal kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makes a htl9 ucciwe*j;xzh)u s6n,r-0ead-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-nuj rl,; 0-x6cuw*z 9s iecth)kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest.d0w/nc7k jo,hf hgp5* The bullet emerges (the bullet does not get 7phh ,g/ wkodjc*fn 05embedded 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 by an alpha-particle (which c jsns3e,d yq30:u 0pstonsists of 2 protons and 2 neutrons) moving at speeusn qjy:3 t0s0pse3, dd v. If the 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/s collides head-on with a stationary ball of mait 2ph6/- iciax-tmhlm 1.)suss 100 g. The collision is elastic. What is the speed of each ball immediately aftmsct1 px / 6-i.2huiahi)m-t ler the collision?

A ball of mass 400 g moving toward the east with a speed oi6ll5nwn5 io* f 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collisionlw n5o6 i*iln5 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 withe:))sn onj/i t a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly ti:nn/o)s je)inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collid **sy z3vw1qym dc4+r u4oy)hgsv 5xa(es head-on in a perfectly a3qw*g)c4*s5syu4 xy 1 zvom (h+ yvdrinelastic 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 velocity v, strikes a parked station wago-)d lq*fu6hrr;t ex e+n, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial k;)h rd-erq 6tlf*+ uexinetic energy is lost in this collision?

A 15-g bullet traveling:zd*6h kvxd-)j c xt9a 213 m/s in 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 mo9ad) h:vxjcx-z6 tk*d ves 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 car travehe :+y e,c fpw)*9nrnvo ;vxv*ling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed ofnv hr v +*wx9cef;e:pon*)v, y the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3rp 4;6g+ rfc)rw9qdyo000-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 ofg w9yd4 rpq;+co) 6rrf motion of the cars after collision?

  Two objects move on a level frictionless si )h*m.kmoa1us r. 6wvssr6d( urface. 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 t6rram)1vdomh .i s u wssk*(.6heir combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of 4.8h,p5xigd1(l 8refrg1sc:t s0 m/s. It explodes into three fragments: t r:fhp c8gg rsdx18,e is(1l5 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 masstfa()*gz5r ac sits at x = + 21.0 m. Where is the center of mass on thr*)ac a(5gtzf e x-axis?

  The center of mass of a two-particle system is at t; ynrsdh:01lpb om68 rhe origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. Whaod1n0s;p lmry: rhb68t is the location of the second mass of 3.0 kg?

  Three masses are positioned as follo-6:m dkhm:l3o+h ,/jncqcifjws: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinatecfhkm3 qjhi +n j o,d-c:6/m:ls of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 /p, x6cpf1- xt(m f8v/jajdeckg, are located at (0, 0), (1.0 m, 1.0 m), and (2.,(fa6xte- 18vjcc fdp/j/x mp0 m, -2.0 m), respectively. What is the 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 positionedzm;n5/ (jxfh4 9 bamdm at (12, 0). What are the coordinates of a 4.0-kg mass which will ream j9 4(fbd;5mznx h/msult 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 tjv ujn:sy-*l4s rwb66db+ a5dhe foot when the leg is stretched strai jab-jl6:5u rn6d4dsb +y vws*ght out. Assume the person is 1.60 m tall.